/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/mix025_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 00:11:12,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 00:11:12,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 00:11:12,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-26 00:11:12,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 00:11:12,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 00:11:12,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 00:11:12,088 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 [2021-03-26 00:11:12,112 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 00:11:12,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 00:11:12,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 00:11:12,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 00:11:12,116 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 00:11:12,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 00:11:12,116 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 00:11:12,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 00:11:12,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 00:11:12,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 00:11:12,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 00:11:12,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 00:11:12,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 00:11:12,117 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 00:11:12,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 00:11:12,117 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 00:11:12,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 00:11:12,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 00:11:12,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 00:11:12,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 00:11:12,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 00:11:12,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 00:11:12,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 00:11:12,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 00:11:12,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 00:11:12,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 00:11:12,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 00:11:12,118 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 00:11:12,118 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 00:11:12,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 00:11:12,119 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 00:11:12,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 00:11:12,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 00:11:12,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 00:11:12,391 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 00:11:12,392 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 00:11:12,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix025_tso.opt.i [2021-03-26 00:11:12,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa4650c94/9dc9be6125ef4c2ebd1dbfeb08eee7c1/FLAG5558339bc [2021-03-26 00:11:12,886 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 00:11:12,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix025_tso.opt.i [2021-03-26 00:11:12,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa4650c94/9dc9be6125ef4c2ebd1dbfeb08eee7c1/FLAG5558339bc [2021-03-26 00:11:13,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa4650c94/9dc9be6125ef4c2ebd1dbfeb08eee7c1 [2021-03-26 00:11:13,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 00:11:13,240 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 00:11:13,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 00:11:13,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 00:11:13,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 00:11:13,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:11:13" (1/1) ... [2021-03-26 00:11:13,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d766d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:11:13, skipping insertion in model container [2021-03-26 00:11:13,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:11:13" (1/1) ... [2021-03-26 00:11:13,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 00:11:13,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 00:11:13,461 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/mix025_tso.opt.i[948,961] [2021-03-26 00:11:13,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:11:13,609 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 00:11:13,618 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/mix025_tso.opt.i[948,961] [2021-03-26 00:11:13,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:11:13,717 INFO L208 MainTranslator]: Completed translation [2021-03-26 00:11:13,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:11:13 WrapperNode [2021-03-26 00:11:13,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 00:11:13,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 00:11:13,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 00:11:13,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 00:11:13,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:11:13" (1/1) ... [2021-03-26 00:11:13,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:11:13" (1/1) ... [2021-03-26 00:11:13,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 00:11:13,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 00:11:13,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 00:11:13,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 00:11:13,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:11:13" (1/1) ... [2021-03-26 00:11:13,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:11:13" (1/1) ... [2021-03-26 00:11:13,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:11:13" (1/1) ... [2021-03-26 00:11:13,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:11:13" (1/1) ... [2021-03-26 00:11:13,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:11:13" (1/1) ... [2021-03-26 00:11:13,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:11:13" (1/1) ... [2021-03-26 00:11:13,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:11:13" (1/1) ... [2021-03-26 00:11:13,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 00:11:13,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 00:11:13,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 00:11:13,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 00:11:13,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:11:13" (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 [2021-03-26 00:11:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 00:11:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 00:11:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 00:11:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 00:11:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 00:11:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 00:11:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 00:11:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 00:11:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 00:11:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 00:11:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 00:11:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 00:11:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 00:11:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 00:11:13,873 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 00:11:15,363 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 00:11:15,364 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 00:11:15,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:11:15 BoogieIcfgContainer [2021-03-26 00:11:15,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 00:11:15,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 00:11:15,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 00:11:15,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 00:11:15,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 12:11:13" (1/3) ... [2021-03-26 00:11:15,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b26eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:11:15, skipping insertion in model container [2021-03-26 00:11:15,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:11:13" (2/3) ... [2021-03-26 00:11:15,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b26eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:11:15, skipping insertion in model container [2021-03-26 00:11:15,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:11:15" (3/3) ... [2021-03-26 00:11:15,371 INFO L111 eAbstractionObserver]: Analyzing ICFG mix025_tso.opt.i [2021-03-26 00:11:15,376 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 00:11:15,380 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 00:11:15,381 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 00:11:15,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,410 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,410 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,410 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,410 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,411 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,411 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,411 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,411 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,411 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,411 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,411 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,411 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,414 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,414 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,414 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,415 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,415 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,415 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,415 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,415 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,415 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,415 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,415 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,415 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,417 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,417 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,417 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,417 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,417 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,417 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,417 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,417 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,417 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,418 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,418 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,418 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,418 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,418 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,418 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,418 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,418 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,418 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,418 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,418 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,418 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,418 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,418 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,420 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,420 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,420 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,420 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,420 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,420 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,420 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,420 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,420 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,420 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,426 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,426 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,426 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,426 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,426 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,427 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,427 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,427 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,427 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,427 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,427 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,427 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,427 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,427 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,428 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,428 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,428 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,428 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,430 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,430 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,431 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,432 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,432 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,432 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,433 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,434 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,435 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,435 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,435 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,436 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,437 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,437 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:11:15,438 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 00:11:15,452 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-26 00:11:15,467 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 00:11:15,467 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 00:11:15,467 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 00:11:15,467 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 00:11:15,467 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 00:11:15,467 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 00:11:15,467 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 00:11:15,467 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 00:11:15,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 100 transitions, 215 flow [2021-03-26 00:11:15,500 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-03-26 00:11:15,500 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:11:15,506 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-26 00:11:15,510 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 100 transitions, 215 flow [2021-03-26 00:11:15,515 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 97 transitions, 203 flow [2021-03-26 00:11:15,516 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:15,528 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 97 transitions, 203 flow [2021-03-26 00:11:15,532 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 97 transitions, 203 flow [2021-03-26 00:11:15,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 203 flow [2021-03-26 00:11:15,560 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-03-26 00:11:15,560 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:11:15,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 69 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-26 00:11:15,565 INFO L142 LiptonReduction]: Number of co-enabled transitions 1778 [2021-03-26 00:11:16,577 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 00:11:16,971 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 88 [2021-03-26 00:11:17,104 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-26 00:11:17,967 INFO L154 LiptonReduction]: Checked pairs total: 3086 [2021-03-26 00:11:17,967 INFO L156 LiptonReduction]: Total number of compositions: 64 [2021-03-26 00:11:17,971 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2456 [2021-03-26 00:11:17,980 INFO L129 PetriNetUnfolder]: 0/14 cut-off events. [2021-03-26 00:11:17,980 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:11:17,981 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:17,981 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:11:17,981 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:17,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:17,985 INFO L82 PathProgramCache]: Analyzing trace with hash 699704113, now seen corresponding path program 1 times [2021-03-26 00:11:17,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:17,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680608882] [2021-03-26 00:11:17,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:18,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:18,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:11:18,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:18,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:18,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:11:18,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680608882] [2021-03-26 00:11:18,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:18,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:11:18,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516583957] [2021-03-26 00:11:18,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:11:18,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:18,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:11:18,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:11:18,224 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 164 [2021-03-26 00:11:18,231 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 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) [2021-03-26 00:11:18,231 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:18,231 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 164 [2021-03-26 00:11:18,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:18,325 INFO L129 PetriNetUnfolder]: 49/143 cut-off events. [2021-03-26 00:11:18,325 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:11:18,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 143 events. 49/143 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 571 event pairs, 38 based on Foata normal form. 17/151 useless extension candidates. Maximal degree in co-relation 219. Up to 65 conditions per place. [2021-03-26 00:11:18,329 INFO L132 encePairwiseOnDemand]: 160/164 looper letters, 9 selfloop transitions, 2 changer transitions 0/42 dead transitions. [2021-03-26 00:11:18,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 42 transitions, 115 flow [2021-03-26 00:11:18,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:11:18,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:11:18,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 446 transitions. [2021-03-26 00:11:18,348 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9065040650406504 [2021-03-26 00:11:18,349 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 446 transitions. [2021-03-26 00:11:18,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 446 transitions. [2021-03-26 00:11:18,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:18,356 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 446 transitions. [2021-03-26 00:11:18,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 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) [2021-03-26 00:11:18,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 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) [2021-03-26 00:11:18,372 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 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) [2021-03-26 00:11:18,373 INFO L185 Difference]: Start difference. First operand has 50 places, 41 transitions, 91 flow. Second operand 3 states and 446 transitions. [2021-03-26 00:11:18,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 42 transitions, 115 flow [2021-03-26 00:11:18,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 42 transitions, 112 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 00:11:18,379 INFO L241 Difference]: Finished difference. Result has 47 places, 38 transitions, 86 flow [2021-03-26 00:11:18,381 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2021-03-26 00:11:18,382 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2021-03-26 00:11:18,382 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:18,382 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 38 transitions, 86 flow [2021-03-26 00:11:18,384 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 38 transitions, 86 flow [2021-03-26 00:11:18,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 38 transitions, 86 flow [2021-03-26 00:11:18,405 INFO L129 PetriNetUnfolder]: 0/38 cut-off events. [2021-03-26 00:11:18,405 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:11:18,405 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 38 events. 0/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 00:11:18,406 INFO L142 LiptonReduction]: Number of co-enabled transitions 394 [2021-03-26 00:11:18,735 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-26 00:11:19,036 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-26 00:11:19,242 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-26 00:11:20,250 INFO L154 LiptonReduction]: Checked pairs total: 1610 [2021-03-26 00:11:20,250 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-26 00:11:20,250 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1868 [2021-03-26 00:11:20,252 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 25 transitions, 60 flow [2021-03-26 00:11:20,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 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) [2021-03-26 00:11:20,252 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:20,252 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] [2021-03-26 00:11:20,252 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 00:11:20,252 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:20,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:20,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1973046455, now seen corresponding path program 1 times [2021-03-26 00:11:20,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:20,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032203347] [2021-03-26 00:11:20,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:20,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:20,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:11:20,361 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 00:11:20,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:11:20,383 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 00:11:20,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 00:11:20,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:11:20,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032203347] [2021-03-26 00:11:20,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:20,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:11:20,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77180330] [2021-03-26 00:11:20,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:11:20,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:20,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:11:20,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:11:20,389 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 177 [2021-03-26 00:11:20,390 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 25 transitions, 60 flow. Second operand has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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) [2021-03-26 00:11:20,390 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:20,390 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 177 [2021-03-26 00:11:20,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:20,452 INFO L129 PetriNetUnfolder]: 82/233 cut-off events. [2021-03-26 00:11:20,452 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:11:20,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 400 conditions, 233 events. 82/233 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1260 event pairs, 12 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 389. Up to 67 conditions per place. [2021-03-26 00:11:20,455 INFO L132 encePairwiseOnDemand]: 169/177 looper letters, 6 selfloop transitions, 6 changer transitions 12/41 dead transitions. [2021-03-26 00:11:20,455 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 41 transitions, 140 flow [2021-03-26 00:11:20,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:11:20,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:11:20,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 730 transitions. [2021-03-26 00:11:20,458 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8248587570621468 [2021-03-26 00:11:20,458 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 730 transitions. [2021-03-26 00:11:20,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 730 transitions. [2021-03-26 00:11:20,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:20,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 730 transitions. [2021-03-26 00:11:20,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 146.0) internal successors, (730), 5 states have internal predecessors, (730), 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) [2021-03-26 00:11:20,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 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) [2021-03-26 00:11:20,465 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 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) [2021-03-26 00:11:20,466 INFO L185 Difference]: Start difference. First operand has 34 places, 25 transitions, 60 flow. Second operand 5 states and 730 transitions. [2021-03-26 00:11:20,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 41 transitions, 140 flow [2021-03-26 00:11:20,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 41 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 00:11:20,467 INFO L241 Difference]: Finished difference. Result has 40 places, 29 transitions, 110 flow [2021-03-26 00:11:20,467 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=110, PETRI_PLACES=40, PETRI_TRANSITIONS=29} [2021-03-26 00:11:20,467 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -10 predicate places. [2021-03-26 00:11:20,467 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:20,467 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 29 transitions, 110 flow [2021-03-26 00:11:20,468 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 29 transitions, 110 flow [2021-03-26 00:11:20,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 29 transitions, 110 flow [2021-03-26 00:11:20,489 INFO L129 PetriNetUnfolder]: 38/143 cut-off events. [2021-03-26 00:11:20,490 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-03-26 00:11:20,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 143 events. 38/143 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 719 event pairs, 10 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 291. Up to 67 conditions per place. [2021-03-26 00:11:20,493 INFO L142 LiptonReduction]: Number of co-enabled transitions 280 [2021-03-26 00:11:21,243 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-03-26 00:11:21,380 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-03-26 00:11:21,679 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-03-26 00:11:21,820 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-03-26 00:11:21,824 INFO L154 LiptonReduction]: Checked pairs total: 813 [2021-03-26 00:11:21,824 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 00:11:21,825 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1358 [2021-03-26 00:11:21,825 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 27 transitions, 106 flow [2021-03-26 00:11:21,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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) [2021-03-26 00:11:21,826 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:21,826 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:11:21,826 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 00:11:21,826 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:21,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:21,826 INFO L82 PathProgramCache]: Analyzing trace with hash -458321849, now seen corresponding path program 1 times [2021-03-26 00:11:21,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:21,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745281696] [2021-03-26 00:11:21,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:21,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:21,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:21,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:11:21,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745281696] [2021-03-26 00:11:21,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:21,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 00:11:21,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286177634] [2021-03-26 00:11:21,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:11:21,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:21,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:11:21,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:11:21,857 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 179 [2021-03-26 00:11:21,857 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 27 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 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) [2021-03-26 00:11:21,857 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:21,857 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 179 [2021-03-26 00:11:21,857 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:21,871 INFO L129 PetriNetUnfolder]: 26/114 cut-off events. [2021-03-26 00:11:21,871 INFO L130 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2021-03-26 00:11:21,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 114 events. 26/114 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 496 event pairs, 9 based on Foata normal form. 4/118 useless extension candidates. Maximal degree in co-relation 242. Up to 49 conditions per place. [2021-03-26 00:11:21,871 INFO L132 encePairwiseOnDemand]: 176/179 looper letters, 1 selfloop transitions, 3 changer transitions 0/27 dead transitions. [2021-03-26 00:11:21,872 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 27 transitions, 114 flow [2021-03-26 00:11:21,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:11:21,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:11:21,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 478 transitions. [2021-03-26 00:11:21,873 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8901303538175046 [2021-03-26 00:11:21,873 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 478 transitions. [2021-03-26 00:11:21,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 478 transitions. [2021-03-26 00:11:21,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:21,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 478 transitions. [2021-03-26 00:11:21,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 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) [2021-03-26 00:11:21,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:21,875 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:21,875 INFO L185 Difference]: Start difference. First operand has 35 places, 27 transitions, 106 flow. Second operand 3 states and 478 transitions. [2021-03-26 00:11:21,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 27 transitions, 114 flow [2021-03-26 00:11:21,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 27 transitions, 92 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 00:11:21,877 INFO L241 Difference]: Finished difference. Result has 34 places, 27 transitions, 95 flow [2021-03-26 00:11:21,877 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=95, PETRI_PLACES=34, PETRI_TRANSITIONS=27} [2021-03-26 00:11:21,877 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -16 predicate places. [2021-03-26 00:11:21,877 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:21,877 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 27 transitions, 95 flow [2021-03-26 00:11:21,877 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 27 transitions, 95 flow [2021-03-26 00:11:21,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 27 transitions, 95 flow [2021-03-26 00:11:21,885 INFO L129 PetriNetUnfolder]: 26/110 cut-off events. [2021-03-26 00:11:21,885 INFO L130 PetriNetUnfolder]: For 9/11 co-relation queries the response was YES. [2021-03-26 00:11:21,885 INFO L84 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 110 events. 26/110 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 506 event pairs, 12 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 192. Up to 49 conditions per place. [2021-03-26 00:11:21,886 INFO L142 LiptonReduction]: Number of co-enabled transitions 280 [2021-03-26 00:11:22,044 INFO L154 LiptonReduction]: Checked pairs total: 252 [2021-03-26 00:11:22,044 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:11:22,045 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 168 [2021-03-26 00:11:22,045 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 27 transitions, 95 flow [2021-03-26 00:11:22,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 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) [2021-03-26 00:11:22,046 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:22,046 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:11:22,046 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 00:11:22,046 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:22,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:22,046 INFO L82 PathProgramCache]: Analyzing trace with hash -2119533396, now seen corresponding path program 1 times [2021-03-26 00:11:22,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:22,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641861451] [2021-03-26 00:11:22,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:22,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:22,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:22,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:22,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:11:22,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:22,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:11:22,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:11:22,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641861451] [2021-03-26 00:11:22,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:22,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:11:22,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144353421] [2021-03-26 00:11:22,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:11:22,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:22,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:11:22,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:11:22,122 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 179 [2021-03-26 00:11:22,122 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 27 transitions, 95 flow. Second operand has 4 states, 4 states have (on average 151.75) internal successors, (607), 4 states have internal predecessors, (607), 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) [2021-03-26 00:11:22,122 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:22,122 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 179 [2021-03-26 00:11:22,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:22,173 INFO L129 PetriNetUnfolder]: 118/309 cut-off events. [2021-03-26 00:11:22,173 INFO L130 PetriNetUnfolder]: For 21/36 co-relation queries the response was YES. [2021-03-26 00:11:22,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 632 conditions, 309 events. 118/309 cut-off events. For 21/36 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 1893 event pairs, 45 based on Foata normal form. 28/314 useless extension candidates. Maximal degree in co-relation 620. Up to 165 conditions per place. [2021-03-26 00:11:22,175 INFO L132 encePairwiseOnDemand]: 173/179 looper letters, 8 selfloop transitions, 8 changer transitions 0/37 dead transitions. [2021-03-26 00:11:22,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 37 transitions, 147 flow [2021-03-26 00:11:22,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:11:22,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:11:22,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 773 transitions. [2021-03-26 00:11:22,179 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8636871508379889 [2021-03-26 00:11:22,179 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 773 transitions. [2021-03-26 00:11:22,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 773 transitions. [2021-03-26 00:11:22,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:22,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 773 transitions. [2021-03-26 00:11:22,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 154.6) internal successors, (773), 5 states have internal predecessors, (773), 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) [2021-03-26 00:11:22,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 179.0) internal successors, (1074), 6 states have internal predecessors, (1074), 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) [2021-03-26 00:11:22,182 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 179.0) internal successors, (1074), 6 states have internal predecessors, (1074), 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) [2021-03-26 00:11:22,182 INFO L185 Difference]: Start difference. First operand has 34 places, 27 transitions, 95 flow. Second operand 5 states and 773 transitions. [2021-03-26 00:11:22,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 37 transitions, 147 flow [2021-03-26 00:11:22,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 37 transitions, 141 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 00:11:22,185 INFO L241 Difference]: Finished difference. Result has 39 places, 34 transitions, 149 flow [2021-03-26 00:11:22,185 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=149, PETRI_PLACES=39, PETRI_TRANSITIONS=34} [2021-03-26 00:11:22,185 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -11 predicate places. [2021-03-26 00:11:22,185 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:22,186 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 34 transitions, 149 flow [2021-03-26 00:11:22,186 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 34 transitions, 149 flow [2021-03-26 00:11:22,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 34 transitions, 149 flow [2021-03-26 00:11:22,213 INFO L129 PetriNetUnfolder]: 133/352 cut-off events. [2021-03-26 00:11:22,213 INFO L130 PetriNetUnfolder]: For 198/250 co-relation queries the response was YES. [2021-03-26 00:11:22,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 352 events. 133/352 cut-off events. For 198/250 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 2298 event pairs, 57 based on Foata normal form. 6/330 useless extension candidates. Maximal degree in co-relation 907. Up to 195 conditions per place. [2021-03-26 00:11:22,216 INFO L142 LiptonReduction]: Number of co-enabled transitions 408 [2021-03-26 00:11:22,271 INFO L154 LiptonReduction]: Checked pairs total: 517 [2021-03-26 00:11:22,272 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:11:22,272 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 87 [2021-03-26 00:11:22,273 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 33 transitions, 143 flow [2021-03-26 00:11:22,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 151.75) internal successors, (607), 4 states have internal predecessors, (607), 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) [2021-03-26 00:11:22,274 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:22,274 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:11:22,274 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 00:11:22,274 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:22,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:22,274 INFO L82 PathProgramCache]: Analyzing trace with hash 31464797, now seen corresponding path program 1 times [2021-03-26 00:11:22,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:22,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242917158] [2021-03-26 00:11:22,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:22,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:22,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:22,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:22,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:22,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:22,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:11:22,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:22,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:11:22,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:11:22,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242917158] [2021-03-26 00:11:22,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:22,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:11:22,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215798777] [2021-03-26 00:11:22,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:11:22,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:22,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:11:22,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:11:22,392 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 179 [2021-03-26 00:11:22,393 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 33 transitions, 143 flow. Second operand has 5 states, 5 states have (on average 151.8) internal successors, (759), 5 states have internal predecessors, (759), 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) [2021-03-26 00:11:22,393 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:22,393 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 179 [2021-03-26 00:11:22,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:22,446 INFO L129 PetriNetUnfolder]: 59/194 cut-off events. [2021-03-26 00:11:22,446 INFO L130 PetriNetUnfolder]: For 172/253 co-relation queries the response was YES. [2021-03-26 00:11:22,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 615 conditions, 194 events. 59/194 cut-off events. For 172/253 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1013 event pairs, 6 based on Foata normal form. 53/243 useless extension candidates. Maximal degree in co-relation 600. Up to 112 conditions per place. [2021-03-26 00:11:22,447 INFO L132 encePairwiseOnDemand]: 173/179 looper letters, 5 selfloop transitions, 11 changer transitions 3/40 dead transitions. [2021-03-26 00:11:22,447 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 40 transitions, 221 flow [2021-03-26 00:11:22,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 00:11:22,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 00:11:22,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 927 transitions. [2021-03-26 00:11:22,449 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8631284916201117 [2021-03-26 00:11:22,449 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 927 transitions. [2021-03-26 00:11:22,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 927 transitions. [2021-03-26 00:11:22,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:22,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 927 transitions. [2021-03-26 00:11:22,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 154.5) internal successors, (927), 6 states have internal predecessors, (927), 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) [2021-03-26 00:11:22,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 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) [2021-03-26 00:11:22,453 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 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) [2021-03-26 00:11:22,454 INFO L185 Difference]: Start difference. First operand has 39 places, 33 transitions, 143 flow. Second operand 6 states and 927 transitions. [2021-03-26 00:11:22,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 40 transitions, 221 flow [2021-03-26 00:11:22,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 40 transitions, 215 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 00:11:22,457 INFO L241 Difference]: Finished difference. Result has 43 places, 37 transitions, 207 flow [2021-03-26 00:11:22,457 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=207, PETRI_PLACES=43, PETRI_TRANSITIONS=37} [2021-03-26 00:11:22,457 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -7 predicate places. [2021-03-26 00:11:22,457 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:22,457 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 37 transitions, 207 flow [2021-03-26 00:11:22,458 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 37 transitions, 207 flow [2021-03-26 00:11:22,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 37 transitions, 207 flow [2021-03-26 00:11:22,471 INFO L129 PetriNetUnfolder]: 58/211 cut-off events. [2021-03-26 00:11:22,471 INFO L130 PetriNetUnfolder]: For 377/424 co-relation queries the response was YES. [2021-03-26 00:11:22,472 INFO L84 FinitePrefix]: Finished finitePrefix Result has 719 conditions, 211 events. 58/211 cut-off events. For 377/424 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1208 event pairs, 10 based on Foata normal form. 1/207 useless extension candidates. Maximal degree in co-relation 703. Up to 124 conditions per place. [2021-03-26 00:11:22,473 INFO L142 LiptonReduction]: Number of co-enabled transitions 406 [2021-03-26 00:11:22,481 INFO L154 LiptonReduction]: Checked pairs total: 598 [2021-03-26 00:11:22,481 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:11:22,481 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-03-26 00:11:22,484 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 36 transitions, 199 flow [2021-03-26 00:11:22,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 151.8) internal successors, (759), 5 states have internal predecessors, (759), 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) [2021-03-26 00:11:22,484 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:22,485 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:11:22,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 00:11:22,485 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:22,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:22,490 INFO L82 PathProgramCache]: Analyzing trace with hash -625719803, now seen corresponding path program 1 times [2021-03-26 00:11:22,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:22,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712107251] [2021-03-26 00:11:22,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:22,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:22,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:22,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:22,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:22,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:22,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:22,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:22,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:11:22,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:22,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:11:22,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:11:22,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712107251] [2021-03-26 00:11:22,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:22,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 00:11:22,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956250324] [2021-03-26 00:11:22,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:11:22,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:22,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:11:22,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:11:22,683 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 179 [2021-03-26 00:11:22,684 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 36 transitions, 199 flow. Second operand has 6 states, 6 states have (on average 151.83333333333334) internal successors, (911), 6 states have internal predecessors, (911), 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) [2021-03-26 00:11:22,684 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:22,684 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 179 [2021-03-26 00:11:22,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:22,754 INFO L129 PetriNetUnfolder]: 33/122 cut-off events. [2021-03-26 00:11:22,754 INFO L130 PetriNetUnfolder]: For 234/280 co-relation queries the response was YES. [2021-03-26 00:11:22,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 122 events. 33/122 cut-off events. For 234/280 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 502 event pairs, 0 based on Foata normal form. 37/157 useless extension candidates. Maximal degree in co-relation 415. Up to 62 conditions per place. [2021-03-26 00:11:22,755 INFO L132 encePairwiseOnDemand]: 173/179 looper letters, 2 selfloop transitions, 11 changer transitions 3/37 dead transitions. [2021-03-26 00:11:22,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 37 transitions, 231 flow [2021-03-26 00:11:22,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 00:11:22,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 00:11:22,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1075 transitions. [2021-03-26 00:11:22,757 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8579409417398244 [2021-03-26 00:11:22,757 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1075 transitions. [2021-03-26 00:11:22,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1075 transitions. [2021-03-26 00:11:22,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:22,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1075 transitions. [2021-03-26 00:11:22,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 153.57142857142858) internal successors, (1075), 7 states have internal predecessors, (1075), 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) [2021-03-26 00:11:22,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 179.0) internal successors, (1432), 8 states have internal predecessors, (1432), 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) [2021-03-26 00:11:22,761 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 179.0) internal successors, (1432), 8 states have internal predecessors, (1432), 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) [2021-03-26 00:11:22,761 INFO L185 Difference]: Start difference. First operand has 43 places, 36 transitions, 199 flow. Second operand 7 states and 1075 transitions. [2021-03-26 00:11:22,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 37 transitions, 231 flow [2021-03-26 00:11:22,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 37 transitions, 206 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-03-26 00:11:22,777 INFO L241 Difference]: Finished difference. Result has 46 places, 34 transitions, 186 flow [2021-03-26 00:11:22,777 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=186, PETRI_PLACES=46, PETRI_TRANSITIONS=34} [2021-03-26 00:11:22,777 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -4 predicate places. [2021-03-26 00:11:22,777 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:22,777 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 34 transitions, 186 flow [2021-03-26 00:11:22,778 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 34 transitions, 186 flow [2021-03-26 00:11:22,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 34 transitions, 186 flow [2021-03-26 00:11:22,792 INFO L129 PetriNetUnfolder]: 31/130 cut-off events. [2021-03-26 00:11:22,792 INFO L130 PetriNetUnfolder]: For 171/175 co-relation queries the response was YES. [2021-03-26 00:11:22,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 130 events. 31/130 cut-off events. For 171/175 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 599 event pairs, 4 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 395. Up to 42 conditions per place. [2021-03-26 00:11:22,793 INFO L142 LiptonReduction]: Number of co-enabled transitions 278 [2021-03-26 00:11:23,138 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-03-26 00:11:23,304 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-03-26 00:11:23,654 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-26 00:11:23,821 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-26 00:11:23,825 INFO L154 LiptonReduction]: Checked pairs total: 560 [2021-03-26 00:11:23,826 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 00:11:23,826 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1049 [2021-03-26 00:11:23,826 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 31 transitions, 172 flow [2021-03-26 00:11:23,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 151.83333333333334) internal successors, (911), 6 states have internal predecessors, (911), 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) [2021-03-26 00:11:23,827 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:23,827 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:11:23,827 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 00:11:23,827 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:23,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:23,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1856780908, now seen corresponding path program 1 times [2021-03-26 00:11:23,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:23,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022294990] [2021-03-26 00:11:23,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:23,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:23,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:11:23,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:23,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:23,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:23,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:23,957 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 00:11:23,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:11:23,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:11:23,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022294990] [2021-03-26 00:11:23,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:23,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:11:23,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142683539] [2021-03-26 00:11:23,980 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:11:23,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:23,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:11:23,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:11:23,982 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 181 [2021-03-26 00:11:23,983 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 31 transitions, 172 flow. Second operand has 5 states, 5 states have (on average 145.6) internal successors, (728), 5 states have internal predecessors, (728), 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) [2021-03-26 00:11:23,983 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:23,983 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 181 [2021-03-26 00:11:23,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:24,061 INFO L129 PetriNetUnfolder]: 54/178 cut-off events. [2021-03-26 00:11:24,061 INFO L130 PetriNetUnfolder]: For 481/509 co-relation queries the response was YES. [2021-03-26 00:11:24,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 592 conditions, 178 events. 54/178 cut-off events. For 481/509 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 908 event pairs, 0 based on Foata normal form. 20/194 useless extension candidates. Maximal degree in co-relation 573. Up to 55 conditions per place. [2021-03-26 00:11:24,062 INFO L132 encePairwiseOnDemand]: 173/181 looper letters, 7 selfloop transitions, 8 changer transitions 12/45 dead transitions. [2021-03-26 00:11:24,062 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 45 transitions, 280 flow [2021-03-26 00:11:24,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 00:11:24,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 00:11:24,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 889 transitions. [2021-03-26 00:11:24,066 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8186003683241252 [2021-03-26 00:11:24,066 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 889 transitions. [2021-03-26 00:11:24,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 889 transitions. [2021-03-26 00:11:24,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:24,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 889 transitions. [2021-03-26 00:11:24,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 148.16666666666666) internal successors, (889), 6 states have internal predecessors, (889), 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) [2021-03-26 00:11:24,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 181.0) internal successors, (1267), 7 states have internal predecessors, (1267), 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) [2021-03-26 00:11:24,070 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 181.0) internal successors, (1267), 7 states have internal predecessors, (1267), 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) [2021-03-26 00:11:24,070 INFO L185 Difference]: Start difference. First operand has 42 places, 31 transitions, 172 flow. Second operand 6 states and 889 transitions. [2021-03-26 00:11:24,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 45 transitions, 280 flow [2021-03-26 00:11:24,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 45 transitions, 238 flow, removed 12 selfloop flow, removed 7 redundant places. [2021-03-26 00:11:24,083 INFO L241 Difference]: Finished difference. Result has 42 places, 31 transitions, 155 flow [2021-03-26 00:11:24,083 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=155, PETRI_PLACES=42, PETRI_TRANSITIONS=31} [2021-03-26 00:11:24,083 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -8 predicate places. [2021-03-26 00:11:24,084 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:24,084 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 31 transitions, 155 flow [2021-03-26 00:11:24,084 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 31 transitions, 155 flow [2021-03-26 00:11:24,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 31 transitions, 155 flow [2021-03-26 00:11:24,096 INFO L129 PetriNetUnfolder]: 20/92 cut-off events. [2021-03-26 00:11:24,096 INFO L130 PetriNetUnfolder]: For 72/76 co-relation queries the response was YES. [2021-03-26 00:11:24,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 92 events. 20/92 cut-off events. For 72/76 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 380 event pairs, 2 based on Foata normal form. 3/93 useless extension candidates. Maximal degree in co-relation 228. Up to 22 conditions per place. [2021-03-26 00:11:24,097 INFO L142 LiptonReduction]: Number of co-enabled transitions 210 [2021-03-26 00:11:24,132 INFO L154 LiptonReduction]: Checked pairs total: 261 [2021-03-26 00:11:24,132 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:11:24,132 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-03-26 00:11:24,133 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 30 transitions, 151 flow [2021-03-26 00:11:24,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 145.6) internal successors, (728), 5 states have internal predecessors, (728), 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) [2021-03-26 00:11:24,134 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:24,134 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] [2021-03-26 00:11:24,134 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 00:11:24,134 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:24,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:24,134 INFO L82 PathProgramCache]: Analyzing trace with hash 90804512, now seen corresponding path program 1 times [2021-03-26 00:11:24,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:24,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975839046] [2021-03-26 00:11:24,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:24,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:24,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:11:24,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:24,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:24,227 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 00:11:24,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:11:24,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:11:24,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975839046] [2021-03-26 00:11:24,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:24,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:11:24,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71337311] [2021-03-26 00:11:24,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:11:24,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:24,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:11:24,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:11:24,243 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 182 [2021-03-26 00:11:24,243 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 30 transitions, 151 flow. Second operand has 4 states, 4 states have (on average 148.75) internal successors, (595), 4 states have internal predecessors, (595), 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) [2021-03-26 00:11:24,243 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:24,243 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 182 [2021-03-26 00:11:24,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:24,283 INFO L129 PetriNetUnfolder]: 23/93 cut-off events. [2021-03-26 00:11:24,283 INFO L130 PetriNetUnfolder]: For 156/177 co-relation queries the response was YES. [2021-03-26 00:11:24,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 93 events. 23/93 cut-off events. For 156/177 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 370 event pairs, 0 based on Foata normal form. 14/105 useless extension candidates. Maximal degree in co-relation 261. Up to 26 conditions per place. [2021-03-26 00:11:24,284 INFO L132 encePairwiseOnDemand]: 177/182 looper letters, 3 selfloop transitions, 4 changer transitions 6/31 dead transitions. [2021-03-26 00:11:24,284 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 31 transitions, 181 flow [2021-03-26 00:11:24,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:11:24,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:11:24,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 601 transitions. [2021-03-26 00:11:24,286 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8255494505494505 [2021-03-26 00:11:24,286 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 601 transitions. [2021-03-26 00:11:24,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 601 transitions. [2021-03-26 00:11:24,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:24,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 601 transitions. [2021-03-26 00:11:24,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 150.25) internal successors, (601), 4 states have internal predecessors, (601), 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) [2021-03-26 00:11:24,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 182.0) internal successors, (910), 5 states have internal predecessors, (910), 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) [2021-03-26 00:11:24,288 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 182.0) internal successors, (910), 5 states have internal predecessors, (910), 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) [2021-03-26 00:11:24,288 INFO L185 Difference]: Start difference. First operand has 40 places, 30 transitions, 151 flow. Second operand 4 states and 601 transitions. [2021-03-26 00:11:24,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 31 transitions, 181 flow [2021-03-26 00:11:24,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 31 transitions, 172 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 00:11:24,297 INFO L241 Difference]: Finished difference. Result has 42 places, 25 transitions, 127 flow [2021-03-26 00:11:24,297 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=182, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=127, PETRI_PLACES=42, PETRI_TRANSITIONS=25} [2021-03-26 00:11:24,298 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -8 predicate places. [2021-03-26 00:11:24,298 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:24,298 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 25 transitions, 127 flow [2021-03-26 00:11:24,298 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 25 transitions, 127 flow [2021-03-26 00:11:24,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 25 transitions, 127 flow [2021-03-26 00:11:24,303 INFO L129 PetriNetUnfolder]: 5/28 cut-off events. [2021-03-26 00:11:24,304 INFO L130 PetriNetUnfolder]: For 35/46 co-relation queries the response was YES. [2021-03-26 00:11:24,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 28 events. 5/28 cut-off events. For 35/46 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 3/30 useless extension candidates. Maximal degree in co-relation 68. Up to 8 conditions per place. [2021-03-26 00:11:24,304 INFO L142 LiptonReduction]: Number of co-enabled transitions 122 [2021-03-26 00:11:25,159 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 179 [2021-03-26 00:11:25,419 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-03-26 00:11:26,733 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 304 DAG size of output: 259 [2021-03-26 00:11:27,280 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-03-26 00:11:27,329 INFO L154 LiptonReduction]: Checked pairs total: 283 [2021-03-26 00:11:27,329 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 00:11:27,329 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3031 [2021-03-26 00:11:27,330 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 22 transitions, 117 flow [2021-03-26 00:11:27,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 148.75) internal successors, (595), 4 states have internal predecessors, (595), 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) [2021-03-26 00:11:27,330 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:27,330 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:11:27,330 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 00:11:27,330 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:27,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:27,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1153476944, now seen corresponding path program 1 times [2021-03-26 00:11:27,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:27,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069618582] [2021-03-26 00:11:27,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:27,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:27,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:11:27,400 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-03-26 00:11:27,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 00:11:27,424 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.4 percent of original size [2021-03-26 00:11:27,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 00:11:27,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:27,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:11:27,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:27,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:27,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:11:27,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069618582] [2021-03-26 00:11:27,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:27,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 00:11:27,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38627487] [2021-03-26 00:11:27,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 00:11:27,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:27,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 00:11:27,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-26 00:11:27,468 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 185 [2021-03-26 00:11:27,469 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 22 transitions, 117 flow. Second operand has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 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) [2021-03-26 00:11:27,469 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:27,469 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 185 [2021-03-26 00:11:27,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:27,595 INFO L129 PetriNetUnfolder]: 27/86 cut-off events. [2021-03-26 00:11:27,595 INFO L130 PetriNetUnfolder]: For 184/205 co-relation queries the response was YES. [2021-03-26 00:11:27,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 86 events. 27/86 cut-off events. For 184/205 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 330 event pairs, 0 based on Foata normal form. 12/96 useless extension candidates. Maximal degree in co-relation 244. Up to 29 conditions per place. [2021-03-26 00:11:27,596 INFO L132 encePairwiseOnDemand]: 179/185 looper letters, 9 selfloop transitions, 4 changer transitions 3/31 dead transitions. [2021-03-26 00:11:27,596 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 31 transitions, 191 flow [2021-03-26 00:11:27,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 00:11:27,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 00:11:27,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 779 transitions. [2021-03-26 00:11:27,598 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7018018018018019 [2021-03-26 00:11:27,598 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 779 transitions. [2021-03-26 00:11:27,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 779 transitions. [2021-03-26 00:11:27,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:27,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 779 transitions. [2021-03-26 00:11:27,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 129.83333333333334) internal successors, (779), 6 states have internal predecessors, (779), 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) [2021-03-26 00:11:27,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 185.0) internal successors, (1295), 7 states have internal predecessors, (1295), 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) [2021-03-26 00:11:27,601 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 185.0) internal successors, (1295), 7 states have internal predecessors, (1295), 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) [2021-03-26 00:11:27,601 INFO L185 Difference]: Start difference. First operand has 39 places, 22 transitions, 117 flow. Second operand 6 states and 779 transitions. [2021-03-26 00:11:27,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 31 transitions, 191 flow [2021-03-26 00:11:27,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 31 transitions, 164 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-26 00:11:27,602 INFO L241 Difference]: Finished difference. Result has 41 places, 24 transitions, 124 flow [2021-03-26 00:11:27,602 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=124, PETRI_PLACES=41, PETRI_TRANSITIONS=24} [2021-03-26 00:11:27,602 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -9 predicate places. [2021-03-26 00:11:27,602 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:27,603 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 24 transitions, 124 flow [2021-03-26 00:11:27,603 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 24 transitions, 124 flow [2021-03-26 00:11:27,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 24 transitions, 124 flow [2021-03-26 00:11:27,606 INFO L129 PetriNetUnfolder]: 11/45 cut-off events. [2021-03-26 00:11:27,606 INFO L130 PetriNetUnfolder]: For 59/62 co-relation queries the response was YES. [2021-03-26 00:11:27,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 45 events. 11/45 cut-off events. For 59/62 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 104 event pairs, 0 based on Foata normal form. 2/45 useless extension candidates. Maximal degree in co-relation 121. Up to 17 conditions per place. [2021-03-26 00:11:27,607 INFO L142 LiptonReduction]: Number of co-enabled transitions 104 [2021-03-26 00:11:27,753 INFO L154 LiptonReduction]: Checked pairs total: 24 [2021-03-26 00:11:27,753 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:11:27,753 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 151 [2021-03-26 00:11:27,753 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 24 transitions, 124 flow [2021-03-26 00:11:27,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 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) [2021-03-26 00:11:27,754 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:27,754 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:11:27,754 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 00:11:27,754 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:27,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:27,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1588127869, now seen corresponding path program 1 times [2021-03-26 00:11:27,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:27,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418256255] [2021-03-26 00:11:27,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:11:27,796 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:11:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:11:27,826 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:11:27,857 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 00:11:27,857 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 00:11:27,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 00:11:27,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 12:11:27 BasicIcfg [2021-03-26 00:11:27,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 00:11:27,904 INFO L168 Benchmark]: Toolchain (without parser) took 14664.14 ms. Allocated memory was 339.7 MB in the beginning and 578.8 MB in the end (delta: 239.1 MB). Free memory was 302.9 MB in the beginning and 240.8 MB in the end (delta: 62.0 MB). Peak memory consumption was 302.2 MB. Max. memory is 16.0 GB. [2021-03-26 00:11:27,904 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 339.7 MB. Free memory was 321.0 MB in the beginning and 320.9 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 00:11:27,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.14 ms. Allocated memory is still 339.7 MB. Free memory was 302.7 MB in the beginning and 297.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.0 GB. [2021-03-26 00:11:27,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.50 ms. Allocated memory is still 339.7 MB. Free memory was 297.4 MB in the beginning and 295.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:11:27,905 INFO L168 Benchmark]: Boogie Preprocessor took 43.36 ms. Allocated memory is still 339.7 MB. Free memory was 295.3 MB in the beginning and 293.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:11:27,905 INFO L168 Benchmark]: RCFGBuilder took 1548.45 ms. Allocated memory is still 339.7 MB. Free memory was 293.2 MB in the beginning and 250.5 MB in the end (delta: 42.7 MB). Peak memory consumption was 159.4 MB. Max. memory is 16.0 GB. [2021-03-26 00:11:27,905 INFO L168 Benchmark]: TraceAbstraction took 12537.31 ms. Allocated memory was 339.7 MB in the beginning and 578.8 MB in the end (delta: 239.1 MB). Free memory was 250.5 MB in the beginning and 240.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 248.7 MB. Max. memory is 16.0 GB. [2021-03-26 00:11:27,906 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 339.7 MB. Free memory was 321.0 MB in the beginning and 320.9 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 477.14 ms. Allocated memory is still 339.7 MB. Free memory was 302.7 MB in the beginning and 297.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 53.50 ms. Allocated memory is still 339.7 MB. Free memory was 297.4 MB in the beginning and 295.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 43.36 ms. Allocated memory is still 339.7 MB. Free memory was 295.3 MB in the beginning and 293.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1548.45 ms. Allocated memory is still 339.7 MB. Free memory was 293.2 MB in the beginning and 250.5 MB in the end (delta: 42.7 MB). Peak memory consumption was 159.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 12537.31 ms. Allocated memory was 339.7 MB in the beginning and 578.8 MB in the end (delta: 239.1 MB). Free memory was 250.5 MB in the beginning and 240.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 248.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2434.8ms, 105 PlacesBefore, 50 PlacesAfterwards, 97 TransitionsBefore, 41 TransitionsAfterwards, 1778 CoEnabledTransitionPairs, 4 FixpointIterations, 27 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 64 TotalNumberOfCompositions, 3086 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1597, positive: 1518, positive conditional: 1518, positive unconditional: 0, negative: 79, negative conditional: 79, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1246, positive: 1206, positive conditional: 0, positive unconditional: 1206, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1246, positive: 1206, positive conditional: 0, positive unconditional: 1206, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1246, positive: 1200, positive conditional: 0, positive unconditional: 1200, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 462, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 448, negative conditional: 0, negative unconditional: 448, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1597, positive: 312, positive conditional: 312, positive unconditional: 0, negative: 39, negative conditional: 39, negative unconditional: 0, unknown: 1246, unknown conditional: 1246, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 81, Positive conditional cache size: 81, Positive unconditional cache size: 0, Negative cache size: 26, Negative conditional cache size: 26, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1866.7ms, 47 PlacesBefore, 34 PlacesAfterwards, 38 TransitionsBefore, 25 TransitionsAfterwards, 394 CoEnabledTransitionPairs, 4 FixpointIterations, 8 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 13 TotalNumberOfCompositions, 1610 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 506, positive: 405, positive conditional: 405, positive unconditional: 0, negative: 101, negative conditional: 101, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 168, positive: 140, positive conditional: 11, positive unconditional: 129, negative: 28, negative conditional: 2, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 168, positive: 140, positive conditional: 11, positive unconditional: 129, negative: 28, negative conditional: 2, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 168, positive: 131, positive conditional: 0, positive unconditional: 131, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 28, negative conditional: 2, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 368, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 339, negative conditional: 36, negative unconditional: 303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 506, positive: 265, positive conditional: 265, positive unconditional: 0, negative: 73, negative conditional: 73, negative unconditional: 0, unknown: 168, unknown conditional: 168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 143, Positive cache size: 111, Positive conditional cache size: 111, Positive unconditional cache size: 0, Negative cache size: 32, Negative conditional cache size: 32, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1356.5ms, 40 PlacesBefore, 35 PlacesAfterwards, 29 TransitionsBefore, 27 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 813 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 244, positive: 196, positive conditional: 196, positive unconditional: 0, negative: 48, negative conditional: 48, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 29, positive conditional: 5, positive unconditional: 24, negative: 7, negative conditional: 6, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 36, positive: 29, positive conditional: 5, positive unconditional: 24, negative: 7, negative conditional: 6, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 36, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 6, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 208, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 208, negative conditional: 205, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 244, positive: 167, positive conditional: 167, positive unconditional: 0, negative: 41, negative conditional: 41, negative unconditional: 0, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 179, Positive cache size: 140, Positive conditional cache size: 140, Positive unconditional cache size: 0, Negative cache size: 39, Negative conditional cache size: 39, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 167.3ms, 34 PlacesBefore, 34 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 252 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 71, positive: 56, positive conditional: 56, 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: 25, positive: 18, positive conditional: 2, positive unconditional: 16, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 25, positive: 18, positive conditional: 2, positive unconditional: 16, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 25, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 156, negative conditional: 0, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 71, positive: 38, positive conditional: 38, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 204, Positive cache size: 158, Positive conditional cache size: 158, Positive unconditional cache size: 0, Negative cache size: 46, Negative conditional cache size: 46, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 85.9ms, 39 PlacesBefore, 39 PlacesAfterwards, 34 TransitionsBefore, 33 TransitionsAfterwards, 408 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 517 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 83, positive: 59, positive conditional: 59, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 24, positive conditional: 19, positive unconditional: 5, 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: 26, positive: 24, positive conditional: 19, positive unconditional: 5, 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: 26, positive: 24, positive conditional: 0, positive unconditional: 24, 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: 45, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 83, positive: 35, positive conditional: 35, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 210, Positive cache size: 165, Positive conditional cache size: 165, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.6ms, 43 PlacesBefore, 43 PlacesAfterwards, 37 TransitionsBefore, 36 TransitionsAfterwards, 406 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 598 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 108, positive: 80, positive conditional: 80, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 24, positive unconditional: 2, 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: 26, positive: 26, positive conditional: 24, positive unconditional: 2, 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: 26, positive: 26, positive conditional: 0, positive unconditional: 26, 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: 108, positive: 54, positive conditional: 54, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 220, Positive cache size: 175, Positive conditional cache size: 175, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1048.1ms, 46 PlacesBefore, 42 PlacesAfterwards, 34 TransitionsBefore, 31 TransitionsAfterwards, 278 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 560 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 78, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 16, 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: 16, positive: 16, positive conditional: 16, 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: 16, positive: 16, positive conditional: 0, positive unconditional: 16, 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: 78, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 177, Positive cache size: 147, Positive conditional cache size: 147, Positive unconditional cache size: 0, Negative cache size: 30, Negative conditional cache size: 30, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.2ms, 42 PlacesBefore, 40 PlacesAfterwards, 31 TransitionsBefore, 30 TransitionsAfterwards, 210 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 261 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 40, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 7, positive unconditional: 8, 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: 15, positive: 15, positive conditional: 7, positive unconditional: 8, 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: 15, positive: 15, positive conditional: 0, positive unconditional: 15, 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: 40, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 141, Positive cache size: 116, Positive conditional cache size: 116, Positive unconditional cache size: 0, Negative cache size: 25, Negative conditional cache size: 25, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3031.2ms, 42 PlacesBefore, 39 PlacesAfterwards, 25 TransitionsBefore, 22 TransitionsAfterwards, 122 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 283 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 88, positive: 60, positive conditional: 60, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 34, positive conditional: 24, positive unconditional: 10, 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: 36, positive: 34, positive conditional: 24, positive unconditional: 10, 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: 36, positive: 34, positive conditional: 0, positive unconditional: 34, 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: 45, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 88, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 55, Positive conditional cache size: 55, Positive unconditional cache size: 0, Negative cache size: 7, Negative conditional cache size: 7, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 150.0ms, 41 PlacesBefore, 40 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 104 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 24 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 6, positive conditional: 6, positive unconditional: 0, 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: 8, positive: 6, positive conditional: 6, positive unconditional: 0, 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: 8, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 61, Positive conditional cache size: 61, Positive unconditional cache size: 0, Negative cache size: 9, Negative conditional cache size: 9, 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_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L723] 0 int z = 0; [L724] 0 _Bool z$flush_delayed; [L725] 0 int z$mem_tmp; [L726] 0 _Bool z$r_buff0_thd0; [L727] 0 _Bool z$r_buff0_thd1; [L728] 0 _Bool z$r_buff0_thd2; [L729] 0 _Bool z$r_buff0_thd3; [L730] 0 _Bool z$r_buff1_thd0; [L731] 0 _Bool z$r_buff1_thd1; [L732] 0 _Bool z$r_buff1_thd2; [L733] 0 _Bool z$r_buff1_thd3; [L734] 0 _Bool z$read_delayed; [L735] 0 int *z$read_delayed_var; [L736] 0 int z$w_buff0; [L737] 0 _Bool z$w_buff0_used; [L738] 0 int z$w_buff1; [L739] 0 _Bool z$w_buff1_used; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L838] 0 pthread_t t678; [L839] FCALL, FORK 0 pthread_create(&t678, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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] [L745] 1 z$w_buff1 = z$w_buff0 [L746] 1 z$w_buff0 = 1 [L747] 1 z$w_buff1_used = z$w_buff0_used [L748] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L750] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L751] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L752] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L753] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L754] 1 z$r_buff0_thd1 = (_Bool)1 [L757] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$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=1, 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$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L840] 0 pthread_t t679; [L841] FCALL, FORK 0 pthread_create(&t679, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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=1, 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$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L774] 2 x = 1 [L777] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$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=1, 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$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L842] 0 pthread_t t680; [L843] FCALL, FORK 0 pthread_create(&t680, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$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=1, 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$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L794] 3 y = 2 [L797] 3 __unbuffered_p2_EAX = y [L800] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L801] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L802] 3 z$flush_delayed = weak$$choice2 [L803] 3 z$mem_tmp = z [L804] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L804] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L805] EXPR 3 weak$$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$w_buff0)) [L805] EXPR 3 !z$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) [L805] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L805] 3 z$w_buff0 = weak$$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)) [L806] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L806] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L806] EXPR 3 weak$$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$w_buff1)) [L806] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L807] EXPR 3 weak$$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)) [L807] EXPR 3 !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) [L807] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L807] 3 z$w_buff0_used = weak$$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)) [L808] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L808] EXPR 3 weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] EXPR 3 weak$$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)) [L809] EXPR 3 !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) [L809] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L809] 3 z$r_buff0_thd3 = weak$$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)) [L810] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L810] EXPR 3 weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] 3 __unbuffered_p2_EBX = z [L812] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L812] 3 z = z$flush_delayed ? z$mem_tmp : z [L813] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, 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=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L816] 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) [L816] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L816] 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) [L816] 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) [L817] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L817] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L818] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L818] 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 [L819] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L819] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L820] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L820] 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 [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L760] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L761] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L761] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L762] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L762] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L763] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L763] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L764] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L764] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L780] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L780] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L781] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L781] 2 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_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L782] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L783] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L783] 2 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_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L784] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L769] 1 return 0; [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L789] 2 return 0; [L823] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L825] 3 return 0; [L845] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L849] 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) [L849] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L849] 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) [L849] 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) [L850] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L850] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L851] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L851] 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 [L852] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L852] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L853] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L853] 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 [L856] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 2 && __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_p2_EAX=2, __unbuffered_p2_EBX=0, 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=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, 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$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 99 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 12394.0ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 781.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2510.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 57 SDtfs, 32 SDslu, 33 SDs, 0 SdLazy, 174 SolverSat, 60 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 196.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 257.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=207occurred in iteration=5, InterpolantAutomatonStates: 45, 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: 37.8ms SsaConstructionTime, 439.1ms SatisfiabilityAnalysisTime, 619.1ms InterpolantComputationTime, 166 NumberOfCodeBlocks, 166 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 1049 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...