/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/mix002_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 16:37:14,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 16:37:14,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 16:37:14,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 16:37:14,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 16:37:14,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 16:37:14,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 16:37:14,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 16:37:14,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 16:37:14,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 16:37:14,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 16:37:14,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 16:37:14,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 16:37:14,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 16:37:14,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 16:37:14,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 16:37:14,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 16:37:14,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 16:37:14,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 16:37:14,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 16:37:14,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 16:37:14,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 16:37:14,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 16:37:14,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 16:37:14,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 16:37:14,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 16:37:14,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 16:37:14,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 16:37:14,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 16:37:14,784 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 16:37:14,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 16:37:14,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 16:37:14,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 16:37:14,789 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 16:37:14,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 16:37:14,790 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 16:37:14,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 16:37:14,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 16:37:14,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 16:37:14,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 16:37:14,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 16:37:14,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 16:37:14,792 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 16:37:14,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 16:37:14,793 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 16:37:14,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 16:37:14,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 16:37:14,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 16:37:14,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 16:37:14,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 16:37:14,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 16:37:14,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 16:37:14,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 16:37:14,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 16:37:14,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 16:37:14,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 16:37:14,796 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 16:37:14,796 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 16:37:14,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 16:37:14,796 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 16:37:15,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 16:37:15,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 16:37:15,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 16:37:15,229 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 16:37:15,230 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 16:37:15,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix002_tso.oepc.i [2021-04-28 16:37:15,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56cb4e967/e32eb55e12a94970be9e5c4cdfc94705/FLAG6d9fd2d30 [2021-04-28 16:37:16,127 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 16:37:16,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix002_tso.oepc.i [2021-04-28 16:37:16,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56cb4e967/e32eb55e12a94970be9e5c4cdfc94705/FLAG6d9fd2d30 [2021-04-28 16:37:16,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56cb4e967/e32eb55e12a94970be9e5c4cdfc94705 [2021-04-28 16:37:16,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 16:37:16,457 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 16:37:16,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 16:37:16,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 16:37:16,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 16:37:16,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 04:37:16" (1/1) ... [2021-04-28 16:37:16,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b7897a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:16, skipping insertion in model container [2021-04-28 16:37:16,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 04:37:16" (1/1) ... [2021-04-28 16:37:16,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 16:37:16,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 16:37:16,817 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/mix002_tso.oepc.i[949,962] [2021-04-28 16:37:17,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 16:37:17,123 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 16:37:17,138 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/mix002_tso.oepc.i[949,962] [2021-04-28 16:37:17,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 16:37:17,313 INFO L208 MainTranslator]: Completed translation [2021-04-28 16:37:17,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:17 WrapperNode [2021-04-28 16:37:17,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 16:37:17,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 16:37:17,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 16:37:17,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 16:37:17,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:17" (1/1) ... [2021-04-28 16:37:17,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:17" (1/1) ... [2021-04-28 16:37:17,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 16:37:17,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 16:37:17,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 16:37:17,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 16:37:17,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:17" (1/1) ... [2021-04-28 16:37:17,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:17" (1/1) ... [2021-04-28 16:37:17,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:17" (1/1) ... [2021-04-28 16:37:17,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:17" (1/1) ... [2021-04-28 16:37:17,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:17" (1/1) ... [2021-04-28 16:37:17,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:17" (1/1) ... [2021-04-28 16:37:17,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:17" (1/1) ... [2021-04-28 16:37:17,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 16:37:17,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 16:37:17,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 16:37:17,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 16:37:17,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 16:37:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 16:37:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 16:37:17,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 16:37:17,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 16:37:17,566 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 16:37:17,566 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 16:37:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 16:37:17,567 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 16:37:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 16:37:17,567 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 16:37:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 16:37:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 16:37:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 16:37:17,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 16:37:17,571 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 16:37:19,677 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 16:37:19,677 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 16:37:19,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 04:37:19 BoogieIcfgContainer [2021-04-28 16:37:19,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 16:37:19,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 16:37:19,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 16:37:19,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 16:37:19,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 04:37:16" (1/3) ... [2021-04-28 16:37:19,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3611f94d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 04:37:19, skipping insertion in model container [2021-04-28 16:37:19,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:17" (2/3) ... [2021-04-28 16:37:19,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3611f94d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 04:37:19, skipping insertion in model container [2021-04-28 16:37:19,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 04:37:19" (3/3) ... [2021-04-28 16:37:19,688 INFO L111 eAbstractionObserver]: Analyzing ICFG mix002_tso.oepc.i [2021-04-28 16:37:19,696 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 16:37:19,701 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 16:37:19,702 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 16:37:19,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,742 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,743 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,743 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,743 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,744 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,744 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,745 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,745 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,750 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,750 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,751 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,751 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,756 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,757 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,757 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,757 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,758 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,758 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,758 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,758 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,758 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,758 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,768 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,768 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,768 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,768 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,768 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,768 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,769 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,769 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,769 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,769 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,769 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,769 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,769 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,769 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,770 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,770 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,770 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,770 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,770 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,770 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,770 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,779 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,779 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,779 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,779 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,780 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,780 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,780 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,780 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,780 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,780 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,781 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,781 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,783 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,783 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,783 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,783 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,784 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,784 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,784 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,784 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,784 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,784 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,787 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,789 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,790 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,790 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,790 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,790 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,790 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,790 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,791 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,791 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,791 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,791 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,791 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,791 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,792 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:19,795 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 16:37:19,818 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 16:37:19,843 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 16:37:19,844 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 16:37:19,844 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 16:37:19,844 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 16:37:19,844 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 16:37:19,844 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 16:37:19,844 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 16:37:19,844 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 16:37:19,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 107 transitions, 229 flow [2021-04-28 16:37:19,906 INFO L129 PetriNetUnfolder]: 2/104 cut-off events. [2021-04-28 16:37:19,907 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:37:19,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 104 events. 2/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2021-04-28 16:37:19,912 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 107 transitions, 229 flow [2021-04-28 16:37:19,918 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 112 places, 104 transitions, 217 flow [2021-04-28 16:37:19,920 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:37:19,936 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 104 transitions, 217 flow [2021-04-28 16:37:19,940 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 104 transitions, 217 flow [2021-04-28 16:37:19,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 104 transitions, 217 flow [2021-04-28 16:37:19,967 INFO L129 PetriNetUnfolder]: 2/104 cut-off events. [2021-04-28 16:37:19,967 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:37:19,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 104 events. 2/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2021-04-28 16:37:19,972 INFO L146 LiptonReduction]: Number of co-enabled transitions 2076 [2021-04-28 16:37:23,603 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 16:37:23,713 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 16:37:24,283 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 16:37:24,492 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 16:37:31,170 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 16:37:35,008 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 16:37:35,135 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 16:37:35,264 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 16:37:35,392 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 16:37:38,818 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 16:37:39,134 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 16:37:39,237 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 16:37:39,343 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 16:37:39,447 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 16:37:39,720 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:37:39,827 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:37:39,935 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:37:40,040 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:37:40,821 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:37:40,965 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:37:41,076 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:37:41,191 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:37:41,987 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 16:37:42,088 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 16:37:42,192 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 16:37:42,293 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 16:37:43,349 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 16:37:43,807 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 16:37:43,910 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 16:37:44,234 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:37:44,355 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:37:44,461 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:37:44,575 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:37:45,097 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 16:37:45,340 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 16:37:45,846 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 16:37:46,113 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 16:37:46,260 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:37:46,409 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:37:46,570 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:37:46,731 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:37:46,943 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:47,162 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:47,376 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:47,594 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:47,806 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:48,017 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:48,236 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:48,452 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:48,589 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:37:48,725 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:37:48,892 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:37:49,029 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:37:49,211 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:37:49,401 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:37:49,579 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:37:49,773 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:37:49,980 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:50,200 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:50,428 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:50,649 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:50,814 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:37:50,978 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:37:51,142 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:37:51,305 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:37:51,525 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:51,764 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:51,979 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:52,198 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:52,383 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:37:52,568 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:37:52,755 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:37:52,936 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:37:53,083 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:37:53,224 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:37:53,358 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:37:53,505 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:37:53,684 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:37:53,866 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:37:54,047 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:37:54,232 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:37:54,447 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:37:54,648 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:37:54,856 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:37:55,068 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:37:55,297 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:55,519 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:55,742 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:55,960 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:56,162 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:37:56,361 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:37:56,566 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:37:56,773 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:37:57,345 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 16:37:57,611 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 16:37:58,177 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 16:37:58,436 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 16:37:58,606 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:37:58,776 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:37:58,951 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:37:59,123 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:37:59,296 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:37:59,474 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:37:59,655 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:37:59,829 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:37:59,956 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:38:00,095 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:38:00,219 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:38:00,342 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:38:00,561 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:38:00,777 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:38:00,993 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:38:01,208 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:38:01,362 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:38:01,521 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:38:01,678 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:38:01,839 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:38:01,895 INFO L158 LiptonReduction]: Checked pairs total: 19494 [2021-04-28 16:38:01,895 INFO L160 LiptonReduction]: Total number of compositions: 256 [2021-04-28 16:38:01,900 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41982 [2021-04-28 16:38:01,925 INFO L129 PetriNetUnfolder]: 0/61 cut-off events. [2021-04-28 16:38:01,926 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:38:01,926 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:38:01,927 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 16:38:01,927 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:38:01,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:38:01,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1245016, now seen corresponding path program 1 times [2021-04-28 16:38:01,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:38:01,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391324107] [2021-04-28 16:38:01,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:38:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:38:02,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:02,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:38:02,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:38:02,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391324107] [2021-04-28 16:38:02,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:38:02,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 16:38:02,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083656410] [2021-04-28 16:38:02,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:38:02,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:38:02,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:38:02,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:38:02,244 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 363 [2021-04-28 16:38:02,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 128 transitions, 265 flow. Second operand has 3 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:02,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:38:02,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 363 [2021-04-28 16:38:02,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:38:02,523 INFO L129 PetriNetUnfolder]: 89/584 cut-off events. [2021-04-28 16:38:02,523 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:38:02,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 759 conditions, 584 events. 89/584 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 5029 event pairs, 56 based on Foata normal form. 58/241 useless extension candidates. Maximal degree in co-relation 682. Up to 129 conditions per place. [2021-04-28 16:38:02,533 INFO L132 encePairwiseOnDemand]: 341/363 looper letters, 9 selfloop transitions, 4 changer transitions 54/128 dead transitions. [2021-04-28 16:38:02,533 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 128 transitions, 321 flow [2021-04-28 16:38:02,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:38:02,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:38:02,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 877 transitions. [2021-04-28 16:38:02,554 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8053259871441689 [2021-04-28 16:38:02,555 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 877 transitions. [2021-04-28 16:38:02,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 877 transitions. [2021-04-28 16:38:02,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:38:02,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 877 transitions. [2021-04-28 16:38:02,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:02,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 363.0) internal successors, (1452), 4 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:02,580 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 363.0) internal successors, (1452), 4 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:02,583 INFO L185 Difference]: Start difference. First operand has 137 places, 128 transitions, 265 flow. Second operand 3 states and 877 transitions. [2021-04-28 16:38:02,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 128 transitions, 321 flow [2021-04-28 16:38:02,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 128 transitions, 318 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 16:38:02,592 INFO L241 Difference]: Finished difference. Result has 133 places, 70 transitions, 154 flow [2021-04-28 16:38:02,594 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=363, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=133, PETRI_TRANSITIONS=70} [2021-04-28 16:38:02,595 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -4 predicate places. [2021-04-28 16:38:02,595 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:38:02,596 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 70 transitions, 154 flow [2021-04-28 16:38:02,596 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 70 transitions, 154 flow [2021-04-28 16:38:02,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 70 transitions, 154 flow [2021-04-28 16:38:02,607 INFO L129 PetriNetUnfolder]: 0/70 cut-off events. [2021-04-28 16:38:02,607 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:38:02,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 70 events. 0/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 345 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 16:38:02,610 INFO L146 LiptonReduction]: Number of co-enabled transitions 2504 [2021-04-28 16:38:03,032 INFO L158 LiptonReduction]: Checked pairs total: 3276 [2021-04-28 16:38:03,033 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:38:03,033 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 438 [2021-04-28 16:38:03,035 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 70 transitions, 154 flow [2021-04-28 16:38:03,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:03,037 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:38:03,037 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:38:03,037 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 16:38:03,037 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:38:03,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:38:03,038 INFO L82 PathProgramCache]: Analyzing trace with hash -373243957, now seen corresponding path program 1 times [2021-04-28 16:38:03,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:38:03,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565987641] [2021-04-28 16:38:03,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:38:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:38:03,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:03,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:38:03,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:38:03,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565987641] [2021-04-28 16:38:03,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:38:03,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 16:38:03,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572518686] [2021-04-28 16:38:03,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:38:03,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:38:03,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:38:03,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:38:03,179 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 363 [2021-04-28 16:38:03,180 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 70 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 271.6666666666667) internal successors, (815), 3 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:03,180 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:38:03,180 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 363 [2021-04-28 16:38:03,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:38:03,317 INFO L129 PetriNetUnfolder]: 22/224 cut-off events. [2021-04-28 16:38:03,318 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:38:03,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 224 events. 22/224 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 1670 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 299. Up to 49 conditions per place. [2021-04-28 16:38:03,319 INFO L132 encePairwiseOnDemand]: 358/363 looper letters, 1 selfloop transitions, 2 changer transitions 58/92 dead transitions. [2021-04-28 16:38:03,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 92 transitions, 296 flow [2021-04-28 16:38:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:38:03,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:38:03,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 861 transitions. [2021-04-28 16:38:03,324 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.790633608815427 [2021-04-28 16:38:03,324 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 861 transitions. [2021-04-28 16:38:03,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 861 transitions. [2021-04-28 16:38:03,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:38:03,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 861 transitions. [2021-04-28 16:38:03,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 287.0) internal successors, (861), 3 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:03,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 363.0) internal successors, (1452), 4 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:03,332 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 363.0) internal successors, (1452), 4 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:03,332 INFO L185 Difference]: Start difference. First operand has 79 places, 70 transitions, 154 flow. Second operand 3 states and 861 transitions. [2021-04-28 16:38:03,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 92 transitions, 296 flow [2021-04-28 16:38:03,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 92 transitions, 288 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:38:03,335 INFO L241 Difference]: Finished difference. Result has 80 places, 34 transitions, 82 flow [2021-04-28 16:38:03,336 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=363, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=80, PETRI_TRANSITIONS=34} [2021-04-28 16:38:03,336 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -57 predicate places. [2021-04-28 16:38:03,337 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:38:03,337 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 34 transitions, 82 flow [2021-04-28 16:38:03,338 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 34 transitions, 82 flow [2021-04-28 16:38:03,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 34 transitions, 82 flow [2021-04-28 16:38:03,343 INFO L129 PetriNetUnfolder]: 0/34 cut-off events. [2021-04-28 16:38:03,344 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:38:03,344 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 34 events. 0/34 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 84 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 16:38:03,345 INFO L146 LiptonReduction]: Number of co-enabled transitions 666 [2021-04-28 16:38:04,046 INFO L158 LiptonReduction]: Checked pairs total: 1482 [2021-04-28 16:38:04,046 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 16:38:04,046 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 709 [2021-04-28 16:38:04,048 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 82 flow [2021-04-28 16:38:04,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 271.6666666666667) internal successors, (815), 3 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:04,049 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:38:04,050 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:38:04,050 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 16:38:04,050 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:38:04,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:38:04,051 INFO L82 PathProgramCache]: Analyzing trace with hash 2089732537, now seen corresponding path program 1 times [2021-04-28 16:38:04,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:38:04,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728267400] [2021-04-28 16:38:04,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:38:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:38:04,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:04,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:38:04,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:38:04,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728267400] [2021-04-28 16:38:04,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:38:04,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 16:38:04,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954873047] [2021-04-28 16:38:04,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:38:04,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:38:04,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:38:04,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:38:04,123 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 365 [2021-04-28 16:38:04,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 270.6666666666667) internal successors, (812), 3 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:04,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:38:04,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 365 [2021-04-28 16:38:04,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:38:04,137 INFO L129 PetriNetUnfolder]: 0/34 cut-off events. [2021-04-28 16:38:04,137 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-28 16:38:04,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 34 events. 0/34 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 88 event pairs, 0 based on Foata normal form. 1/25 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 16:38:04,138 INFO L132 encePairwiseOnDemand]: 362/365 looper letters, 1 selfloop transitions, 2 changer transitions 5/34 dead transitions. [2021-04-28 16:38:04,138 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 34 transitions, 88 flow [2021-04-28 16:38:04,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:38:04,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:38:04,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 814 transitions. [2021-04-28 16:38:04,141 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7433789954337899 [2021-04-28 16:38:04,141 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 814 transitions. [2021-04-28 16:38:04,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 814 transitions. [2021-04-28 16:38:04,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:38:04,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 814 transitions. [2021-04-28 16:38:04,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 271.3333333333333) internal successors, (814), 3 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:04,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:04,149 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:04,149 INFO L185 Difference]: Start difference. First operand has 44 places, 34 transitions, 82 flow. Second operand 3 states and 814 transitions. [2021-04-28 16:38:04,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 34 transitions, 88 flow [2021-04-28 16:38:04,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 34 transitions, 84 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:38:04,151 INFO L241 Difference]: Finished difference. Result has 45 places, 29 transitions, 76 flow [2021-04-28 16:38:04,151 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=45, PETRI_TRANSITIONS=29} [2021-04-28 16:38:04,151 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -92 predicate places. [2021-04-28 16:38:04,151 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:38:04,152 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 29 transitions, 76 flow [2021-04-28 16:38:04,152 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 29 transitions, 76 flow [2021-04-28 16:38:04,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 29 transitions, 76 flow [2021-04-28 16:38:04,157 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-04-28 16:38:04,158 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-28 16:38:04,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 29 events. 0/29 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 63 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 16:38:04,158 INFO L146 LiptonReduction]: Number of co-enabled transitions 452 [2021-04-28 16:38:04,434 INFO L158 LiptonReduction]: Checked pairs total: 560 [2021-04-28 16:38:04,435 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:38:04,435 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 284 [2021-04-28 16:38:04,437 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 76 flow [2021-04-28 16:38:04,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 270.6666666666667) internal successors, (812), 3 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:04,438 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:38:04,439 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:38:04,439 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 16:38:04,439 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:38:04,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:38:04,440 INFO L82 PathProgramCache]: Analyzing trace with hash 2089963084, now seen corresponding path program 1 times [2021-04-28 16:38:04,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:38:04,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596449956] [2021-04-28 16:38:04,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:38:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:38:04,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:04,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:38:04,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:38:04,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596449956] [2021-04-28 16:38:04,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:38:04,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 16:38:04,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737837882] [2021-04-28 16:38:04,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:38:04,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:38:04,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:38:04,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:38:04,521 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 365 [2021-04-28 16:38:04,528 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 279.6666666666667) internal successors, (839), 3 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:04,528 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:38:04,528 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 365 [2021-04-28 16:38:04,528 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:38:04,544 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-04-28 16:38:04,545 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-04-28 16:38:04,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 29 events. 0/29 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 68 event pairs, 0 based on Foata normal form. 1/23 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 16:38:04,545 INFO L132 encePairwiseOnDemand]: 362/365 looper letters, 1 selfloop transitions, 2 changer transitions 1/29 dead transitions. [2021-04-28 16:38:04,546 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 29 transitions, 82 flow [2021-04-28 16:38:04,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:38:04,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:38:04,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 841 transitions. [2021-04-28 16:38:04,549 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7680365296803653 [2021-04-28 16:38:04,550 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 841 transitions. [2021-04-28 16:38:04,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 841 transitions. [2021-04-28 16:38:04,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:38:04,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 841 transitions. [2021-04-28 16:38:04,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 280.3333333333333) internal successors, (841), 3 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:04,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:04,560 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:04,560 INFO L185 Difference]: Start difference. First operand has 40 places, 29 transitions, 76 flow. Second operand 3 states and 841 transitions. [2021-04-28 16:38:04,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 29 transitions, 82 flow [2021-04-28 16:38:04,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 29 transitions, 78 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:38:04,563 INFO L241 Difference]: Finished difference. Result has 41 places, 28 transitions, 78 flow [2021-04-28 16:38:04,564 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=41, PETRI_TRANSITIONS=28} [2021-04-28 16:38:04,564 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -96 predicate places. [2021-04-28 16:38:04,564 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:38:04,564 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 28 transitions, 78 flow [2021-04-28 16:38:04,565 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 28 transitions, 78 flow [2021-04-28 16:38:04,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 28 transitions, 78 flow [2021-04-28 16:38:04,572 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-04-28 16:38:04,573 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-28 16:38:04,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 28 events. 0/28 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 58 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 16:38:04,574 INFO L146 LiptonReduction]: Number of co-enabled transitions 418 [2021-04-28 16:38:04,783 INFO L158 LiptonReduction]: Checked pairs total: 990 [2021-04-28 16:38:04,783 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 16:38:04,783 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 219 [2021-04-28 16:38:04,791 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 28 transitions, 78 flow [2021-04-28 16:38:04,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 279.6666666666667) internal successors, (839), 3 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:04,792 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:38:04,793 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:38:04,793 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 16:38:04,794 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:38:04,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:38:04,795 INFO L82 PathProgramCache]: Analyzing trace with hash -2122020448, now seen corresponding path program 1 times [2021-04-28 16:38:04,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:38:04,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763304057] [2021-04-28 16:38:04,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:38:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:38:04,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:04,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:38:04,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:04,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 16:38:04,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:04,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:38:04,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:38:04,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763304057] [2021-04-28 16:38:04,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:38:04,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 16:38:04,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635116415] [2021-04-28 16:38:04,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 16:38:04,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:38:04,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 16:38:04,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 16:38:04,966 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 366 [2021-04-28 16:38:04,967 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 28 transitions, 78 flow. Second operand has 4 states, 4 states have (on average 271.75) internal successors, (1087), 4 states have internal predecessors, (1087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:04,968 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:38:04,968 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 366 [2021-04-28 16:38:04,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:38:05,113 INFO L129 PetriNetUnfolder]: 432/764 cut-off events. [2021-04-28 16:38:05,113 INFO L130 PetriNetUnfolder]: For 189/189 co-relation queries the response was YES. [2021-04-28 16:38:05,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1656 conditions, 764 events. 432/764 cut-off events. For 189/189 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 4602 event pairs, 216 based on Foata normal form. 64/449 useless extension candidates. Maximal degree in co-relation 1644. Up to 541 conditions per place. [2021-04-28 16:38:05,119 INFO L132 encePairwiseOnDemand]: 354/366 looper letters, 11 selfloop transitions, 10 changer transitions 19/56 dead transitions. [2021-04-28 16:38:05,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 56 transitions, 214 flow [2021-04-28 16:38:05,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 16:38:05,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 16:38:05,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1397 transitions. [2021-04-28 16:38:05,125 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7633879781420765 [2021-04-28 16:38:05,125 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1397 transitions. [2021-04-28 16:38:05,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1397 transitions. [2021-04-28 16:38:05,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:38:05,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1397 transitions. [2021-04-28 16:38:05,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 279.4) internal successors, (1397), 5 states have internal predecessors, (1397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:05,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:05,137 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:05,138 INFO L185 Difference]: Start difference. First operand has 40 places, 28 transitions, 78 flow. Second operand 5 states and 1397 transitions. [2021-04-28 16:38:05,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 56 transitions, 214 flow [2021-04-28 16:38:05,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 56 transitions, 210 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:38:05,143 INFO L241 Difference]: Finished difference. Result has 45 places, 37 transitions, 164 flow [2021-04-28 16:38:05,143 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=164, PETRI_PLACES=45, PETRI_TRANSITIONS=37} [2021-04-28 16:38:05,143 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -92 predicate places. [2021-04-28 16:38:05,143 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:38:05,144 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 37 transitions, 164 flow [2021-04-28 16:38:05,144 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 37 transitions, 164 flow [2021-04-28 16:38:05,144 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 37 transitions, 164 flow [2021-04-28 16:38:05,208 INFO L129 PetriNetUnfolder]: 351/619 cut-off events. [2021-04-28 16:38:05,208 INFO L130 PetriNetUnfolder]: For 355/355 co-relation queries the response was YES. [2021-04-28 16:38:05,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1843 conditions, 619 events. 351/619 cut-off events. For 355/355 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 3628 event pairs, 189 based on Foata normal form. 0/335 useless extension candidates. Maximal degree in co-relation 1830. Up to 478 conditions per place. [2021-04-28 16:38:05,216 INFO L146 LiptonReduction]: Number of co-enabled transitions 472 [2021-04-28 16:38:05,221 INFO L158 LiptonReduction]: Checked pairs total: 568 [2021-04-28 16:38:05,221 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:38:05,221 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 78 [2021-04-28 16:38:05,222 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 37 transitions, 164 flow [2021-04-28 16:38:05,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 271.75) internal successors, (1087), 4 states have internal predecessors, (1087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:05,224 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:38:05,224 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:38:05,224 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 16:38:05,224 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:38:05,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:38:05,225 INFO L82 PathProgramCache]: Analyzing trace with hash -2111026844, now seen corresponding path program 1 times [2021-04-28 16:38:05,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:38:05,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410145475] [2021-04-28 16:38:05,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:38:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:38:05,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:05,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:38:05,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:05,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:38:05,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:05,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 16:38:05,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:05,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:38:05,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:38:05,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410145475] [2021-04-28 16:38:05,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:38:05,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 16:38:05,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337795008] [2021-04-28 16:38:05,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 16:38:05,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:38:05,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 16:38:05,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 16:38:05,312 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 366 [2021-04-28 16:38:05,314 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 37 transitions, 164 flow. Second operand has 5 states, 5 states have (on average 271.8) internal successors, (1359), 5 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:05,314 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:38:05,315 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 366 [2021-04-28 16:38:05,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:38:05,530 INFO L129 PetriNetUnfolder]: 324/628 cut-off events. [2021-04-28 16:38:05,531 INFO L130 PetriNetUnfolder]: For 390/444 co-relation queries the response was YES. [2021-04-28 16:38:05,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2421 conditions, 628 events. 324/628 cut-off events. For 390/444 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 3740 event pairs, 54 based on Foata normal form. 67/393 useless extension candidates. Maximal degree in co-relation 2406. Up to 505 conditions per place. [2021-04-28 16:38:05,537 INFO L132 encePairwiseOnDemand]: 354/366 looper letters, 11 selfloop transitions, 19 changer transitions 19/65 dead transitions. [2021-04-28 16:38:05,537 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 65 transitions, 428 flow [2021-04-28 16:38:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 16:38:05,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 16:38:05,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1677 transitions. [2021-04-28 16:38:05,543 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7636612021857924 [2021-04-28 16:38:05,543 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1677 transitions. [2021-04-28 16:38:05,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1677 transitions. [2021-04-28 16:38:05,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:38:05,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1677 transitions. [2021-04-28 16:38:05,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 279.5) internal successors, (1677), 6 states have internal predecessors, (1677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:05,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 366.0) internal successors, (2562), 7 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:05,557 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 366.0) internal successors, (2562), 7 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:05,557 INFO L185 Difference]: Start difference. First operand has 43 places, 37 transitions, 164 flow. Second operand 6 states and 1677 transitions. [2021-04-28 16:38:05,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 65 transitions, 428 flow [2021-04-28 16:38:05,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 65 transitions, 416 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 16:38:05,565 INFO L241 Difference]: Finished difference. Result has 49 places, 46 transitions, 304 flow [2021-04-28 16:38:05,565 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=304, PETRI_PLACES=49, PETRI_TRANSITIONS=46} [2021-04-28 16:38:05,565 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -88 predicate places. [2021-04-28 16:38:05,566 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:38:05,566 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 46 transitions, 304 flow [2021-04-28 16:38:05,566 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 46 transitions, 304 flow [2021-04-28 16:38:05,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 46 transitions, 304 flow [2021-04-28 16:38:05,623 INFO L129 PetriNetUnfolder]: 243/484 cut-off events. [2021-04-28 16:38:05,623 INFO L130 PetriNetUnfolder]: For 558/603 co-relation queries the response was YES. [2021-04-28 16:38:05,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2143 conditions, 484 events. 243/484 cut-off events. For 558/603 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 2911 event pairs, 54 based on Foata normal form. 2/274 useless extension candidates. Maximal degree in co-relation 2127. Up to 361 conditions per place. [2021-04-28 16:38:05,630 INFO L146 LiptonReduction]: Number of co-enabled transitions 472 [2021-04-28 16:38:05,634 INFO L158 LiptonReduction]: Checked pairs total: 781 [2021-04-28 16:38:05,635 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:38:05,635 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 69 [2021-04-28 16:38:05,636 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 46 transitions, 304 flow [2021-04-28 16:38:05,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 271.8) internal successors, (1359), 5 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:05,637 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:38:05,637 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:38:05,637 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 16:38:05,637 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:38:05,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:38:05,638 INFO L82 PathProgramCache]: Analyzing trace with hash 2002383125, now seen corresponding path program 1 times [2021-04-28 16:38:05,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:38:05,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666577182] [2021-04-28 16:38:05,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:38:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:38:05,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:05,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:38:05,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:05,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:38:05,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:05,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:38:05,705 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 16:38:05,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 16:38:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:38:05,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666577182] [2021-04-28 16:38:05,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:38:05,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 16:38:05,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871259779] [2021-04-28 16:38:05,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 16:38:05,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:38:05,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 16:38:05,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 16:38:05,726 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 366 [2021-04-28 16:38:05,727 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 46 transitions, 304 flow. Second operand has 5 states, 5 states have (on average 221.4) internal successors, (1107), 5 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:05,727 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:38:05,728 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 366 [2021-04-28 16:38:05,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:38:05,970 INFO L129 PetriNetUnfolder]: 587/1327 cut-off events. [2021-04-28 16:38:05,970 INFO L130 PetriNetUnfolder]: For 1671/1779 co-relation queries the response was YES. [2021-04-28 16:38:05,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5634 conditions, 1327 events. 587/1327 cut-off events. For 1671/1779 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 10308 event pairs, 119 based on Foata normal form. 62/815 useless extension candidates. Maximal degree in co-relation 5616. Up to 979 conditions per place. [2021-04-28 16:38:05,984 INFO L132 encePairwiseOnDemand]: 360/366 looper letters, 12 selfloop transitions, 6 changer transitions 0/56 dead transitions. [2021-04-28 16:38:05,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 56 transitions, 366 flow [2021-04-28 16:38:05,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 16:38:05,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 16:38:05,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1119 transitions. [2021-04-28 16:38:05,989 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6114754098360655 [2021-04-28 16:38:05,990 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1119 transitions. [2021-04-28 16:38:05,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1119 transitions. [2021-04-28 16:38:05,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:38:05,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1119 transitions. [2021-04-28 16:38:05,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 223.8) internal successors, (1119), 5 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:05,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:06,000 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:06,000 INFO L185 Difference]: Start difference. First operand has 47 places, 46 transitions, 304 flow. Second operand 5 states and 1119 transitions. [2021-04-28 16:38:06,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 56 transitions, 366 flow [2021-04-28 16:38:06,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 56 transitions, 288 flow, removed 29 selfloop flow, removed 4 redundant places. [2021-04-28 16:38:06,051 INFO L241 Difference]: Finished difference. Result has 50 places, 50 transitions, 265 flow [2021-04-28 16:38:06,051 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=265, PETRI_PLACES=50, PETRI_TRANSITIONS=50} [2021-04-28 16:38:06,051 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -87 predicate places. [2021-04-28 16:38:06,051 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:38:06,052 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 50 transitions, 265 flow [2021-04-28 16:38:06,052 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 50 transitions, 265 flow [2021-04-28 16:38:06,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 50 transitions, 265 flow [2021-04-28 16:38:06,187 INFO L129 PetriNetUnfolder]: 498/1011 cut-off events. [2021-04-28 16:38:06,187 INFO L130 PetriNetUnfolder]: For 868/884 co-relation queries the response was YES. [2021-04-28 16:38:06,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3390 conditions, 1011 events. 498/1011 cut-off events. For 868/884 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 7280 event pairs, 108 based on Foata normal form. 3/552 useless extension candidates. Maximal degree in co-relation 3373. Up to 757 conditions per place. [2021-04-28 16:38:06,200 INFO L146 LiptonReduction]: Number of co-enabled transitions 496 [2021-04-28 16:38:06,345 INFO L158 LiptonReduction]: Checked pairs total: 740 [2021-04-28 16:38:06,345 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:38:06,345 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 294 [2021-04-28 16:38:06,346 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 50 transitions, 265 flow [2021-04-28 16:38:06,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 221.4) internal successors, (1107), 5 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:06,347 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:38:06,347 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:38:06,347 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 16:38:06,348 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:38:06,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:38:06,348 INFO L82 PathProgramCache]: Analyzing trace with hash 844947729, now seen corresponding path program 1 times [2021-04-28 16:38:06,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:38:06,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161758631] [2021-04-28 16:38:06,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:38:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:38:06,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:06,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:38:06,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:06,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:38:06,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:06,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:38:06,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:38:06,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161758631] [2021-04-28 16:38:06,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:38:06,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 16:38:06,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572315072] [2021-04-28 16:38:06,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 16:38:06,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:38:06,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 16:38:06,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 16:38:06,411 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 366 [2021-04-28 16:38:06,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 50 transitions, 265 flow. Second operand has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:06,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:38:06,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 366 [2021-04-28 16:38:06,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:38:06,710 INFO L129 PetriNetUnfolder]: 1012/2030 cut-off events. [2021-04-28 16:38:06,710 INFO L130 PetriNetUnfolder]: For 2358/2527 co-relation queries the response was YES. [2021-04-28 16:38:06,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6709 conditions, 2030 events. 1012/2030 cut-off events. For 2358/2527 co-relation queries the response was YES. Maximal size of possible extension queue 432. Compared 15900 event pairs, 216 based on Foata normal form. 80/1148 useless extension candidates. Maximal degree in co-relation 6690. Up to 1567 conditions per place. [2021-04-28 16:38:06,724 INFO L132 encePairwiseOnDemand]: 362/366 looper letters, 3 selfloop transitions, 4 changer transitions 0/51 dead transitions. [2021-04-28 16:38:06,724 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 51 transitions, 281 flow [2021-04-28 16:38:06,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 16:38:06,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 16:38:06,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 991 transitions. [2021-04-28 16:38:06,728 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6769125683060109 [2021-04-28 16:38:06,729 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 991 transitions. [2021-04-28 16:38:06,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 991 transitions. [2021-04-28 16:38:06,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:38:06,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 991 transitions. [2021-04-28 16:38:06,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 247.75) internal successors, (991), 4 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:06,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 366.0) internal successors, (1830), 5 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:06,738 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 366.0) internal successors, (1830), 5 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:06,738 INFO L185 Difference]: Start difference. First operand has 50 places, 50 transitions, 265 flow. Second operand 4 states and 991 transitions. [2021-04-28 16:38:06,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 51 transitions, 281 flow [2021-04-28 16:38:06,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 51 transitions, 281 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 16:38:06,775 INFO L241 Difference]: Finished difference. Result has 55 places, 51 transitions, 284 flow [2021-04-28 16:38:06,775 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=284, PETRI_PLACES=55, PETRI_TRANSITIONS=51} [2021-04-28 16:38:06,776 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -82 predicate places. [2021-04-28 16:38:06,776 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:38:06,776 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 51 transitions, 284 flow [2021-04-28 16:38:06,776 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 51 transitions, 284 flow [2021-04-28 16:38:06,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 51 transitions, 284 flow [2021-04-28 16:38:07,105 INFO L129 PetriNetUnfolder]: 1012/2030 cut-off events. [2021-04-28 16:38:07,106 INFO L130 PetriNetUnfolder]: For 1740/1864 co-relation queries the response was YES. [2021-04-28 16:38:07,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6725 conditions, 2030 events. 1012/2030 cut-off events. For 1740/1864 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 16867 event pairs, 216 based on Foata normal form. 8/1082 useless extension candidates. Maximal degree in co-relation 6705. Up to 1567 conditions per place. [2021-04-28 16:38:07,135 INFO L146 LiptonReduction]: Number of co-enabled transitions 502 [2021-04-28 16:38:07,163 INFO L158 LiptonReduction]: Checked pairs total: 701 [2021-04-28 16:38:07,163 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:38:07,163 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 387 [2021-04-28 16:38:07,164 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 51 transitions, 284 flow [2021-04-28 16:38:07,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:07,165 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:38:07,165 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:38:07,166 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 16:38:07,166 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:38:07,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:38:07,166 INFO L82 PathProgramCache]: Analyzing trace with hash -657333381, now seen corresponding path program 1 times [2021-04-28 16:38:07,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:38:07,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622736029] [2021-04-28 16:38:07,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:38:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:38:07,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:07,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:38:07,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:07,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:38:07,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:07,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:38:07,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:07,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 16:38:07,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:38:07,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:38:07,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:38:07,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622736029] [2021-04-28 16:38:07,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:38:07,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 16:38:07,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47659662] [2021-04-28 16:38:07,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 16:38:07,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:38:07,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 16:38:07,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 16:38:07,271 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 366 [2021-04-28 16:38:07,274 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 51 transitions, 284 flow. Second operand has 6 states, 6 states have (on average 271.8333333333333) internal successors, (1631), 6 states have internal predecessors, (1631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:07,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:38:07,275 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 366 [2021-04-28 16:38:07,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:38:07,643 INFO L129 PetriNetUnfolder]: 580/1427 cut-off events. [2021-04-28 16:38:07,643 INFO L130 PetriNetUnfolder]: For 1047/2152 co-relation queries the response was YES. [2021-04-28 16:38:07,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5929 conditions, 1427 events. 580/1427 cut-off events. For 1047/2152 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 11928 event pairs, 0 based on Foata normal form. 294/1011 useless extension candidates. Maximal degree in co-relation 5907. Up to 1189 conditions per place. [2021-04-28 16:38:07,652 INFO L132 encePairwiseOnDemand]: 354/366 looper letters, 2 selfloop transitions, 28 changer transitions 15/61 dead transitions. [2021-04-28 16:38:07,652 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 61 transitions, 442 flow [2021-04-28 16:38:07,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 16:38:07,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 16:38:07,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1939 transitions. [2021-04-28 16:38:07,659 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7568306010928961 [2021-04-28 16:38:07,659 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1939 transitions. [2021-04-28 16:38:07,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1939 transitions. [2021-04-28 16:38:07,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:38:07,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1939 transitions. [2021-04-28 16:38:07,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:07,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 366.0) internal successors, (2928), 8 states have internal predecessors, (2928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:07,674 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 366.0) internal successors, (2928), 8 states have internal predecessors, (2928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:07,674 INFO L185 Difference]: Start difference. First operand has 55 places, 51 transitions, 284 flow. Second operand 7 states and 1939 transitions. [2021-04-28 16:38:07,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 61 transitions, 442 flow [2021-04-28 16:38:07,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 61 transitions, 388 flow, removed 21 selfloop flow, removed 4 redundant places. [2021-04-28 16:38:07,706 INFO L241 Difference]: Finished difference. Result has 60 places, 46 transitions, 299 flow [2021-04-28 16:38:07,706 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=299, PETRI_PLACES=60, PETRI_TRANSITIONS=46} [2021-04-28 16:38:07,706 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -77 predicate places. [2021-04-28 16:38:07,707 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:38:07,707 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 46 transitions, 299 flow [2021-04-28 16:38:07,707 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 46 transitions, 299 flow [2021-04-28 16:38:07,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 46 transitions, 299 flow [2021-04-28 16:38:07,744 INFO L129 PetriNetUnfolder]: 99/297 cut-off events. [2021-04-28 16:38:07,744 INFO L130 PetriNetUnfolder]: For 284/467 co-relation queries the response was YES. [2021-04-28 16:38:07,745 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1110 conditions, 297 events. 99/297 cut-off events. For 284/467 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 1834 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 1089. Up to 199 conditions per place. [2021-04-28 16:38:07,749 INFO L146 LiptonReduction]: Number of co-enabled transitions 316 [2021-04-28 16:38:07,839 INFO L158 LiptonReduction]: Checked pairs total: 1138 [2021-04-28 16:38:07,839 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 16:38:07,839 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 132 [2021-04-28 16:38:07,840 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 46 transitions, 302 flow [2021-04-28 16:38:07,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 271.8333333333333) internal successors, (1631), 6 states have internal predecessors, (1631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:38:07,841 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:38:07,841 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:38:07,841 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 16:38:07,841 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:38:07,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:38:07,841 INFO L82 PathProgramCache]: Analyzing trace with hash -543731753, now seen corresponding path program 1 times [2021-04-28 16:38:07,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:38:07,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802135159] [2021-04-28 16:38:07,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:38:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 16:38:07,943 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 16:38:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 16:38:08,025 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 16:38:08,072 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 16:38:08,073 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 16:38:08,073 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 16:38:08,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 04:38:08 BasicIcfg [2021-04-28 16:38:08,194 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 16:38:08,195 INFO L168 Benchmark]: Toolchain (without parser) took 51781.76 ms. Allocated memory was 302.0 MB in the beginning and 780.1 MB in the end (delta: 478.2 MB). Free memory was 275.6 MB in the beginning and 516.0 MB in the end (delta: -240.4 MB). Peak memory consumption was 239.1 MB. Max. memory is 16.0 GB. [2021-04-28 16:38:08,195 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 302.0 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 16:38:08,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 853.70 ms. Allocated memory is still 302.0 MB. Free memory was 272.5 MB in the beginning and 267.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.0 GB. [2021-04-28 16:38:08,196 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.43 ms. Allocated memory is still 302.0 MB. Free memory was 267.9 MB in the beginning and 264.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 16:38:08,196 INFO L168 Benchmark]: Boogie Preprocessor took 65.75 ms. Allocated memory is still 302.0 MB. Free memory was 264.8 MB in the beginning and 262.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 16:38:08,197 INFO L168 Benchmark]: RCFGBuilder took 2235.41 ms. Allocated memory is still 302.0 MB. Free memory was 262.7 MB in the beginning and 205.1 MB in the end (delta: 57.6 MB). Peak memory consumption was 156.1 MB. Max. memory is 16.0 GB. [2021-04-28 16:38:08,197 INFO L168 Benchmark]: TraceAbstraction took 48512.69 ms. Allocated memory was 302.0 MB in the beginning and 780.1 MB in the end (delta: 478.2 MB). Free memory was 205.1 MB in the beginning and 516.0 MB in the end (delta: -310.9 MB). Peak memory consumption was 166.2 MB. Max. memory is 16.0 GB. [2021-04-28 16:38:08,199 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 302.0 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 853.70 ms. Allocated memory is still 302.0 MB. Free memory was 272.5 MB in the beginning and 267.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 61.43 ms. Allocated memory is still 302.0 MB. Free memory was 267.9 MB in the beginning and 264.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 65.75 ms. Allocated memory is still 302.0 MB. Free memory was 264.8 MB in the beginning and 262.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2235.41 ms. Allocated memory is still 302.0 MB. Free memory was 262.7 MB in the beginning and 205.1 MB in the end (delta: 57.6 MB). Peak memory consumption was 156.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 48512.69 ms. Allocated memory was 302.0 MB in the beginning and 780.1 MB in the end (delta: 478.2 MB). Free memory was 205.1 MB in the beginning and 516.0 MB in the end (delta: -310.9 MB). Peak memory consumption was 166.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41955.4ms, 112 PlacesBefore, 137 PlacesAfterwards, 104 TransitionsBefore, 128 TransitionsAfterwards, 2076 CoEnabledTransitionPairs, 8 FixpointIterations, 159 TrivialSequentialCompositions, 95 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 256 TotalNumberOfCompositions, 19494 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5797, positive: 5488, positive conditional: 5488, positive unconditional: 0, negative: 309, negative conditional: 309, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2576, positive: 2509, positive conditional: 0, positive unconditional: 2509, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2576, positive: 2509, positive conditional: 0, positive unconditional: 2509, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2576, positive: 2485, positive conditional: 0, positive unconditional: 2485, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 91, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1011, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 937, negative conditional: 0, negative unconditional: 937, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5797, positive: 2979, positive conditional: 2979, positive unconditional: 0, negative: 242, negative conditional: 242, negative unconditional: 0, unknown: 2576, unknown conditional: 2576, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2575, Positive cache size: 2508, Positive conditional cache size: 2508, Positive unconditional cache size: 0, Negative cache size: 67, Negative conditional cache size: 67, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 436.6ms, 133 PlacesBefore, 79 PlacesAfterwards, 70 TransitionsBefore, 70 TransitionsAfterwards, 2504 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 3276 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 511, positive: 425, positive conditional: 425, positive unconditional: 0, negative: 86, negative conditional: 86, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 83, positive: 54, positive conditional: 9, positive unconditional: 45, negative: 29, negative conditional: 6, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 83, positive: 54, positive conditional: 9, positive unconditional: 45, negative: 29, negative conditional: 6, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 83, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 29, negative conditional: 6, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 406, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 406, negative conditional: 186, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 511, positive: 371, positive conditional: 371, positive unconditional: 0, negative: 57, negative conditional: 57, negative unconditional: 0, unknown: 83, unknown conditional: 83, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2658, Positive cache size: 2562, Positive conditional cache size: 2562, Positive unconditional cache size: 0, Negative cache size: 96, Negative conditional cache size: 96, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 708.4ms, 80 PlacesBefore, 44 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 666 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1482 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 527, positive: 461, positive conditional: 461, positive unconditional: 0, negative: 66, negative conditional: 66, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 175, positive: 158, positive conditional: 37, positive unconditional: 121, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 175, positive: 158, positive conditional: 37, positive unconditional: 121, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 175, positive: 123, positive conditional: 0, positive unconditional: 123, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 52, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 487, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 339, negative conditional: 0, negative unconditional: 339, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 527, positive: 303, positive conditional: 303, positive unconditional: 0, negative: 49, negative conditional: 49, negative unconditional: 0, unknown: 175, unknown conditional: 175, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2833, Positive cache size: 2720, Positive conditional cache size: 2720, Positive unconditional cache size: 0, Negative cache size: 113, Negative conditional cache size: 113, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 282.7ms, 45 PlacesBefore, 40 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 452 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 560 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 214, positive: 183, positive conditional: 183, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 47, positive: 35, positive conditional: 10, positive unconditional: 25, negative: 12, negative conditional: 8, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 47, positive: 35, positive conditional: 10, positive unconditional: 25, negative: 12, negative conditional: 8, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 47, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 8, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 271, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 271, negative conditional: 250, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 214, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 47, unknown conditional: 47, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2880, Positive cache size: 2755, Positive conditional cache size: 2755, Positive unconditional cache size: 0, Negative cache size: 125, Negative conditional cache size: 125, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 218.4ms, 41 PlacesBefore, 40 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 418 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 990 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 465, positive: 410, positive conditional: 410, positive unconditional: 0, negative: 55, negative conditional: 55, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 80, positive: 74, positive conditional: 34, positive unconditional: 40, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 80, positive: 74, positive conditional: 34, positive unconditional: 40, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 80, positive: 74, positive conditional: 0, positive unconditional: 74, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 166, negative conditional: 5, negative unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 465, positive: 336, positive conditional: 336, positive unconditional: 0, negative: 49, negative conditional: 49, negative unconditional: 0, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2960, Positive cache size: 2829, Positive conditional cache size: 2829, Positive unconditional cache size: 0, Negative cache size: 131, Negative conditional cache size: 131, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 77.3ms, 45 PlacesBefore, 43 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 472 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 568 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 77, positive conditional: 77, 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: 12, positive: 12, positive conditional: 2, positive unconditional: 10, 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: 12, positive: 12, positive conditional: 2, positive unconditional: 10, 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: 12, positive: 12, positive conditional: 0, positive unconditional: 12, 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: 101, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2972, Positive cache size: 2841, Positive conditional cache size: 2841, Positive unconditional cache size: 0, Negative cache size: 131, Negative conditional cache size: 131, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 68.7ms, 49 PlacesBefore, 47 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 472 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 781 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 177, positive: 144, positive conditional: 144, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 22, positive conditional: 22, 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: 22, positive: 22, positive conditional: 22, 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: 22, positive: 22, positive conditional: 0, positive unconditional: 22, 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: 177, positive: 122, positive conditional: 122, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2994, Positive cache size: 2863, Positive conditional cache size: 2863, Positive unconditional cache size: 0, Negative cache size: 131, Negative conditional cache size: 131, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 293.1ms, 50 PlacesBefore, 50 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 496 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 740 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 93, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 93, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3013, Positive cache size: 2876, Positive conditional cache size: 2876, Positive unconditional cache size: 0, Negative cache size: 137, Negative conditional cache size: 137, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 386.7ms, 55 PlacesBefore, 55 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 502 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 701 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 101, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3016, Positive cache size: 2879, Positive conditional cache size: 2879, Positive unconditional cache size: 0, Negative cache size: 137, Negative conditional cache size: 137, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 131.8ms, 60 PlacesBefore, 56 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 316 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1138 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 232, positive: 174, positive conditional: 174, positive unconditional: 0, negative: 58, negative conditional: 58, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, positive: 27, positive conditional: 18, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28, positive: 27, positive conditional: 18, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 28, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 232, positive: 147, positive conditional: 147, positive unconditional: 0, negative: 57, negative conditional: 57, negative unconditional: 0, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3044, Positive cache size: 2906, Positive conditional cache size: 2906, Positive unconditional cache size: 0, Negative cache size: 138, Negative conditional cache size: 138, 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_p0_EBX = 0; [L715] 0 int __unbuffered_p1_EAX = 0; [L717] 0 int __unbuffered_p1_EBX = 0; [L719] 0 int __unbuffered_p2_EAX = 0; [L721] 0 int __unbuffered_p2_EBX = 0; [L723] 0 int a = 0; [L724] 0 _Bool a$flush_delayed; [L725] 0 int a$mem_tmp; [L726] 0 _Bool a$r_buff0_thd0; [L727] 0 _Bool a$r_buff0_thd1; [L728] 0 _Bool a$r_buff0_thd2; [L729] 0 _Bool a$r_buff0_thd3; [L730] 0 _Bool a$r_buff1_thd0; [L731] 0 _Bool a$r_buff1_thd1; [L732] 0 _Bool a$r_buff1_thd2; [L733] 0 _Bool a$r_buff1_thd3; [L734] 0 _Bool a$read_delayed; [L735] 0 int *a$read_delayed_var; [L736] 0 int a$w_buff0; [L737] 0 _Bool a$w_buff0_used; [L738] 0 int a$w_buff1; [L739] 0 _Bool a$w_buff1_used; [L740] 0 _Bool main$tmp_guard0; [L741] 0 _Bool main$tmp_guard1; [L743] 0 int x = 0; [L745] 0 int y = 0; [L747] 0 int z = 0; [L748] 0 _Bool weak$$choice0; [L749] 0 _Bool weak$$choice2; [L855] 0 pthread_t t56; [L856] FCALL, FORK 0 pthread_create(&t56, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L753] 1 a$w_buff1 = a$w_buff0 [L754] 1 a$w_buff0 = 1 [L755] 1 a$w_buff1_used = a$w_buff0_used [L756] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L758] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L759] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L760] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L761] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L762] 1 a$r_buff0_thd1 = (_Bool)1 [L765] 1 x = 1 [L768] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L857] 0 pthread_t t57; [L858] FCALL, FORK 0 pthread_create(&t57, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L859] 0 pthread_t t58; [L860] FCALL, FORK 0 pthread_create(&t58, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L771] 1 __unbuffered_p0_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L788] 2 y = 1 [L791] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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] [L794] 2 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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] [L811] 3 z = 1 [L814] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, 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=1] [L817] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L818] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L819] 3 a$flush_delayed = weak$$choice2 [L820] 3 a$mem_tmp = a [L821] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L821] 3 a = !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L822] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L822] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0) [L822] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L822] 3 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L823] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L823] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1) [L823] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L823] 3 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L824] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L824] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used) [L824] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L824] 3 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L825] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L825] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] 3 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L826] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3) [L826] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L826] 3 a$r_buff0_thd3 = weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L827] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L827] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L827] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L827] 3 a$r_buff1_thd3 = weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L828] 3 __unbuffered_p2_EBX = a [L829] EXPR 3 a$flush_delayed ? a$mem_tmp : a [L829] 3 a = a$flush_delayed ? a$mem_tmp : a [L830] 3 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L833] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L833] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L833] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L833] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L834] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L834] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L835] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L835] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L836] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L836] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L837] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L837] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L774] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L774] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L775] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L775] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L776] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L776] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L777] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L777] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L778] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L778] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L781] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L783] 1 return 0; [L797] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L797] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L797] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L797] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L798] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L798] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L799] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L799] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L800] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L800] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L801] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L801] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L804] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L840] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L842] 3 return 0; VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L862] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L866] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L866] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L866] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L866] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L867] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L867] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L868] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L868] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L869] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L869] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L870] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L870] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L873] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 106 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 13.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 48235.8ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2167.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 42067.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 58 SDtfs, 52 SDslu, 31 SDs, 0 SdLazy, 295 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 393.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 135.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred in iteration=6, InterpolantAutomatonStates: 39, 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: 37.0ms SsaConstructionTime, 378.9ms SatisfiabilityAnalysisTime, 570.4ms InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 317 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...