/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix030_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 10:04:14,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:04:14,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:04:14,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:04:14,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:04:14,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:04:14,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:04:14,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:04:14,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:04:14,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:04:14,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:04:14,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:04:14,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:04:14,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:04:14,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:04:14,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:04:14,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:04:14,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:04:14,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:04:14,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:04:14,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:04:14,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:04:14,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:04:14,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:04:14,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 10:04:14,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 10:04:14,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 10:04:14,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 10:04:14,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 10:04:14,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 10:04:14,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 10:04:14,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 10:04:14,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 10:04:14,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:04:14,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:04:14,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:04:14,770 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 10:04:14,793 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:04:14,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:04:14,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:04:14,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:04:14,796 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:04:14,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:04:14,796 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:04:14,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:04:14,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:04:14,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:04:14,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:04:14,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:04:14,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:04:14,798 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:04:14,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:04:14,798 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:04:14,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:04:14,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:04:14,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:04:14,798 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:04:14,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:04:14,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:04:14,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:04:14,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:04:14,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:04:14,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:04:14,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:04:14,799 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:04:14,799 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:04:14,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:04:14,799 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:04:15,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:04:15,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:04:15,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:04:15,047 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:04:15,049 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:04:15,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix030_rmo.opt.i [2021-03-26 10:04:15,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10f3abecf/720fbacecfa44cc2914ee25696a2ce14/FLAG0e9484d71 [2021-03-26 10:04:15,469 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:04:15,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix030_rmo.opt.i [2021-03-26 10:04:15,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10f3abecf/720fbacecfa44cc2914ee25696a2ce14/FLAG0e9484d71 [2021-03-26 10:04:15,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10f3abecf/720fbacecfa44cc2914ee25696a2ce14 [2021-03-26 10:04:15,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:04:15,875 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:04:15,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:04:15,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:04:15,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:04:15,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:04:15" (1/1) ... [2021-03-26 10:04:15,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb68e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:04:15, skipping insertion in model container [2021-03-26 10:04:15,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:04:15" (1/1) ... [2021-03-26 10:04:15,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:04:15,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:04:16,005 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/mix030_rmo.opt.i[948,961] [2021-03-26 10:04:16,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:04:16,170 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:04:16,180 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/mix030_rmo.opt.i[948,961] [2021-03-26 10:04:16,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:04:16,279 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:04:16,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:04:16 WrapperNode [2021-03-26 10:04:16,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:04:16,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:04:16,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:04:16,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:04:16,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:04:16" (1/1) ... [2021-03-26 10:04:16,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:04:16" (1/1) ... [2021-03-26 10:04:16,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:04:16,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:04:16,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:04:16,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:04:16,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:04:16" (1/1) ... [2021-03-26 10:04:16,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:04:16" (1/1) ... [2021-03-26 10:04:16,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:04:16" (1/1) ... [2021-03-26 10:04:16,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:04:16" (1/1) ... [2021-03-26 10:04:16,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:04:16" (1/1) ... [2021-03-26 10:04:16,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:04:16" (1/1) ... [2021-03-26 10:04:16,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:04:16" (1/1) ... [2021-03-26 10:04:16,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:04:16,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:04:16,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:04:16,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:04:16,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:04:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:04:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:04:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:04:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:04:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:04:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 10:04:16,442 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 10:04:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 10:04:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 10:04:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 10:04:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 10:04:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-26 10:04:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-26 10:04:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:04:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:04:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:04:16,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:04:16,445 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 10:04:17,799 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:04:17,799 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 10:04:17,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:04:17 BoogieIcfgContainer [2021-03-26 10:04:17,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:04:17,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:04:17,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:04:17,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:04:17,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:04:15" (1/3) ... [2021-03-26 10:04:17,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115ce50c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:04:17, skipping insertion in model container [2021-03-26 10:04:17,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:04:16" (2/3) ... [2021-03-26 10:04:17,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115ce50c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:04:17, skipping insertion in model container [2021-03-26 10:04:17,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:04:17" (3/3) ... [2021-03-26 10:04:17,806 INFO L111 eAbstractionObserver]: Analyzing ICFG mix030_rmo.opt.i [2021-03-26 10:04:17,810 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:04:17,813 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 10:04:17,813 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:04:17,837 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,837 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,837 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,837 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,837 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,838 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,838 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,838 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,838 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,838 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,839 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,839 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,839 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,841 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,841 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,841 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,841 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,841 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,841 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,841 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,842 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,842 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,842 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,842 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,842 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,845 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,845 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,845 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,845 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,849 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,849 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,849 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,850 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,851 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,851 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,852 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,852 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,852 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,852 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,853 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,853 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,853 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,853 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,853 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,853 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,854 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,854 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,854 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,854 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:04:17,855 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:04:17,866 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-26 10:04:17,879 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:04:17,879 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:04:17,880 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:04:17,880 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:04:17,880 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:04:17,880 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:04:17,880 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:04:17,880 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:04:17,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 250 flow [2021-03-26 10:04:17,913 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-03-26 10:04:17,913 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:04:17,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-26 10:04:17,917 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 115 transitions, 250 flow [2021-03-26 10:04:17,920 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 111 transitions, 234 flow [2021-03-26 10:04:17,921 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:17,930 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 111 transitions, 234 flow [2021-03-26 10:04:17,932 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 111 transitions, 234 flow [2021-03-26 10:04:17,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 111 transitions, 234 flow [2021-03-26 10:04:17,982 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-03-26 10:04:17,982 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:04:17,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-26 10:04:17,985 INFO L142 LiptonReduction]: Number of co-enabled transitions 2630 [2021-03-26 10:04:20,011 WARN L205 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-03-26 10:04:20,290 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-26 10:04:21,555 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 315 DAG size of output: 271 [2021-03-26 10:04:22,043 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-26 10:04:22,301 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 10:04:22,624 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-26 10:04:23,767 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-26 10:04:24,013 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-26 10:04:24,657 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-03-26 10:04:25,253 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-03-26 10:04:26,002 INFO L154 LiptonReduction]: Checked pairs total: 5123 [2021-03-26 10:04:26,003 INFO L156 LiptonReduction]: Total number of compositions: 75 [2021-03-26 10:04:26,004 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8084 [2021-03-26 10:04:26,016 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-03-26 10:04:26,016 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:04:26,016 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:26,017 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:26,017 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:26,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:26,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1005604732, now seen corresponding path program 1 times [2021-03-26 10:04:26,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:26,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672267805] [2021-03-26 10:04:26,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:26,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:26,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:04:26,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:26,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:26,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:26,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672267805] [2021-03-26 10:04:26,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:26,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:04:26,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039280533] [2021-03-26 10:04:26,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:04:26,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:26,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:04:26,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:04:26,274 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 190 [2021-03-26 10:04:26,277 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:26,277 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:26,277 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 190 [2021-03-26 10:04:26,278 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:26,379 INFO L129 PetriNetUnfolder]: 69/214 cut-off events. [2021-03-26 10:04:26,379 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:04:26,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 214 events. 69/214 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1046 event pairs, 39 based on Foata normal form. 10/202 useless extension candidates. Maximal degree in co-relation 327. Up to 89 conditions per place. [2021-03-26 10:04:26,382 INFO L132 encePairwiseOnDemand]: 186/190 looper letters, 9 selfloop transitions, 2 changer transitions 6/46 dead transitions. [2021-03-26 10:04:26,382 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 46 transitions, 130 flow [2021-03-26 10:04:26,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:04:26,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:04:26,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 517 transitions. [2021-03-26 10:04:26,398 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9070175438596492 [2021-03-26 10:04:26,398 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 517 transitions. [2021-03-26 10:04:26,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 517 transitions. [2021-03-26 10:04:26,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:26,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 517 transitions. [2021-03-26 10:04:26,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:26,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:26,415 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:26,417 INFO L185 Difference]: Start difference. First operand has 56 places, 44 transitions, 100 flow. Second operand 3 states and 517 transitions. [2021-03-26 10:04:26,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 46 transitions, 130 flow [2021-03-26 10:04:26,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 46 transitions, 126 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 10:04:26,420 INFO L241 Difference]: Finished difference. Result has 52 places, 36 transitions, 84 flow [2021-03-26 10:04:26,421 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=52, PETRI_TRANSITIONS=36} [2021-03-26 10:04:26,422 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -4 predicate places. [2021-03-26 10:04:26,422 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:26,422 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 36 transitions, 84 flow [2021-03-26 10:04:26,423 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 36 transitions, 84 flow [2021-03-26 10:04:26,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 36 transitions, 84 flow [2021-03-26 10:04:26,431 INFO L129 PetriNetUnfolder]: 0/36 cut-off events. [2021-03-26 10:04:26,431 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:04:26,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 36 events. 0/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 45 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 10:04:26,436 INFO L142 LiptonReduction]: Number of co-enabled transitions 434 [2021-03-26 10:04:27,296 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-03-26 10:04:27,589 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-03-26 10:04:28,182 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-03-26 10:04:28,785 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-03-26 10:04:29,538 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-03-26 10:04:29,783 INFO L154 LiptonReduction]: Checked pairs total: 2040 [2021-03-26 10:04:29,783 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 10:04:29,783 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3361 [2021-03-26 10:04:29,784 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 70 flow [2021-03-26 10:04:29,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:29,785 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:29,785 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:29,785 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:04:29,785 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:29,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:29,786 INFO L82 PathProgramCache]: Analyzing trace with hash -614472852, now seen corresponding path program 1 times [2021-03-26 10:04:29,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:29,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343472124] [2021-03-26 10:04:29,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:29,949 INFO L142 QuantifierPusher]: treesize reduction 10, result has 28.6 percent of original size [2021-03-26 10:04:29,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:04:29,953 INFO L142 QuantifierPusher]: treesize reduction 10, result has 44.4 percent of original size [2021-03-26 10:04:29,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 10:04:29,958 INFO L142 QuantifierPusher]: treesize reduction 10, result has 52.4 percent of original size [2021-03-26 10:04:29,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 10:04:29,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:29,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 10:04:29,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:29,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:29,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:29,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343472124] [2021-03-26 10:04:29,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:29,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:04:29,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706830741] [2021-03-26 10:04:29,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:04:29,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:29,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:04:29,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:04:29,982 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 197 [2021-03-26 10:04:29,983 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 70 flow. Second operand has 6 states, 6 states have (on average 154.0) internal successors, (924), 6 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:29,983 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:29,983 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 197 [2021-03-26 10:04:29,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:30,100 INFO L129 PetriNetUnfolder]: 99/208 cut-off events. [2021-03-26 10:04:30,100 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-03-26 10:04:30,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 398 conditions, 208 events. 99/208 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 864 event pairs, 15 based on Foata normal form. 6/199 useless extension candidates. Maximal degree in co-relation 387. Up to 118 conditions per place. [2021-03-26 10:04:30,102 INFO L132 encePairwiseOnDemand]: 188/197 looper letters, 10 selfloop transitions, 9 changer transitions 0/39 dead transitions. [2021-03-26 10:04:30,102 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 39 transitions, 128 flow [2021-03-26 10:04:30,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:04:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:04:30,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 632 transitions. [2021-03-26 10:04:30,104 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8020304568527918 [2021-03-26 10:04:30,104 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 632 transitions. [2021-03-26 10:04:30,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 632 transitions. [2021-03-26 10:04:30,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:30,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 632 transitions. [2021-03-26 10:04:30,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:30,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 197.0) internal successors, (985), 5 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:30,107 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 197.0) internal successors, (985), 5 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:30,107 INFO L185 Difference]: Start difference. First operand has 40 places, 29 transitions, 70 flow. Second operand 4 states and 632 transitions. [2021-03-26 10:04:30,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 39 transitions, 128 flow [2021-03-26 10:04:30,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 39 transitions, 124 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:04:30,108 INFO L241 Difference]: Finished difference. Result has 44 places, 35 transitions, 128 flow [2021-03-26 10:04:30,108 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=128, PETRI_PLACES=44, PETRI_TRANSITIONS=35} [2021-03-26 10:04:30,109 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -12 predicate places. [2021-03-26 10:04:30,109 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:30,109 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 35 transitions, 128 flow [2021-03-26 10:04:30,109 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 35 transitions, 128 flow [2021-03-26 10:04:30,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 35 transitions, 128 flow [2021-03-26 10:04:30,137 INFO L129 PetriNetUnfolder]: 98/217 cut-off events. [2021-03-26 10:04:30,138 INFO L130 PetriNetUnfolder]: For 57/66 co-relation queries the response was YES. [2021-03-26 10:04:30,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 485 conditions, 217 events. 98/217 cut-off events. For 57/66 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 969 event pairs, 24 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 472. Up to 141 conditions per place. [2021-03-26 10:04:30,142 INFO L142 LiptonReduction]: Number of co-enabled transitions 510 [2021-03-26 10:04:30,503 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-03-26 10:04:30,646 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-26 10:04:30,949 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-03-26 10:04:31,090 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-26 10:04:31,118 INFO L154 LiptonReduction]: Checked pairs total: 534 [2021-03-26 10:04:31,118 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:04:31,118 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1009 [2021-03-26 10:04:31,119 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 34 transitions, 124 flow [2021-03-26 10:04:31,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 154.0) internal successors, (924), 6 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,119 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:31,119 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:31,119 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:04:31,120 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:31,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:31,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1951125904, now seen corresponding path program 1 times [2021-03-26 10:04:31,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:31,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488711886] [2021-03-26 10:04:31,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:31,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:31,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:31,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:31,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488711886] [2021-03-26 10:04:31,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:31,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 10:04:31,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249176495] [2021-03-26 10:04:31,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:04:31,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:31,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:04:31,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:04:31,183 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 198 [2021-03-26 10:04:31,183 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 34 transitions, 124 flow. Second operand has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:31,183 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 198 [2021-03-26 10:04:31,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:31,227 INFO L129 PetriNetUnfolder]: 204/375 cut-off events. [2021-03-26 10:04:31,227 INFO L130 PetriNetUnfolder]: For 174/207 co-relation queries the response was YES. [2021-03-26 10:04:31,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 941 conditions, 375 events. 204/375 cut-off events. For 174/207 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 1760 event pairs, 72 based on Foata normal form. 6/322 useless extension candidates. Maximal degree in co-relation 928. Up to 265 conditions per place. [2021-03-26 10:04:31,230 INFO L132 encePairwiseOnDemand]: 194/198 looper letters, 4 selfloop transitions, 3 changer transitions 0/36 dead transitions. [2021-03-26 10:04:31,230 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 36 transitions, 142 flow [2021-03-26 10:04:31,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:04:31,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:04:31,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 526 transitions. [2021-03-26 10:04:31,231 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8855218855218855 [2021-03-26 10:04:31,231 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 526 transitions. [2021-03-26 10:04:31,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 526 transitions. [2021-03-26 10:04:31,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:31,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 526 transitions. [2021-03-26 10:04:31,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,236 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,236 INFO L185 Difference]: Start difference. First operand has 43 places, 34 transitions, 124 flow. Second operand 3 states and 526 transitions. [2021-03-26 10:04:31,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 36 transitions, 142 flow [2021-03-26 10:04:31,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 36 transitions, 138 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-26 10:04:31,239 INFO L241 Difference]: Finished difference. Result has 45 places, 36 transitions, 141 flow [2021-03-26 10:04:31,239 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=141, PETRI_PLACES=45, PETRI_TRANSITIONS=36} [2021-03-26 10:04:31,239 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -11 predicate places. [2021-03-26 10:04:31,239 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:31,239 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 36 transitions, 141 flow [2021-03-26 10:04:31,240 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 36 transitions, 141 flow [2021-03-26 10:04:31,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 36 transitions, 141 flow [2021-03-26 10:04:31,275 INFO L129 PetriNetUnfolder]: 197/395 cut-off events. [2021-03-26 10:04:31,276 INFO L130 PetriNetUnfolder]: For 174/202 co-relation queries the response was YES. [2021-03-26 10:04:31,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 957 conditions, 395 events. 197/395 cut-off events. For 174/202 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2117 event pairs, 57 based on Foata normal form. 0/340 useless extension candidates. Maximal degree in co-relation 945. Up to 265 conditions per place. [2021-03-26 10:04:31,279 INFO L142 LiptonReduction]: Number of co-enabled transitions 576 [2021-03-26 10:04:31,362 INFO L154 LiptonReduction]: Checked pairs total: 200 [2021-03-26 10:04:31,363 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:31,363 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 124 [2021-03-26 10:04:31,365 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 141 flow [2021-03-26 10:04:31,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,366 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:31,366 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:31,366 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:04:31,366 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:31,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:31,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1566461528, now seen corresponding path program 1 times [2021-03-26 10:04:31,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:31,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147961574] [2021-03-26 10:04:31,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:31,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:31,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:31,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:31,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147961574] [2021-03-26 10:04:31,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:31,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 10:04:31,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537583118] [2021-03-26 10:04:31,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:04:31,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:31,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:04:31,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:04:31,420 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 198 [2021-03-26 10:04:31,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 141 flow. Second operand has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:31,421 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 198 [2021-03-26 10:04:31,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:31,530 INFO L129 PetriNetUnfolder]: 387/694 cut-off events. [2021-03-26 10:04:31,530 INFO L130 PetriNetUnfolder]: For 844/945 co-relation queries the response was YES. [2021-03-26 10:04:31,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1962 conditions, 694 events. 387/694 cut-off events. For 844/945 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 3677 event pairs, 114 based on Foata normal form. 15/548 useless extension candidates. Maximal degree in co-relation 1948. Up to 441 conditions per place. [2021-03-26 10:04:31,535 INFO L132 encePairwiseOnDemand]: 194/198 looper letters, 5 selfloop transitions, 3 changer transitions 0/38 dead transitions. [2021-03-26 10:04:31,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 38 transitions, 161 flow [2021-03-26 10:04:31,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:04:31,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:04:31,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 533 transitions. [2021-03-26 10:04:31,536 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8973063973063973 [2021-03-26 10:04:31,536 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 533 transitions. [2021-03-26 10:04:31,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 533 transitions. [2021-03-26 10:04:31,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:31,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 533 transitions. [2021-03-26 10:04:31,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,539 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,539 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,539 INFO L185 Difference]: Start difference. First operand has 45 places, 36 transitions, 141 flow. Second operand 3 states and 533 transitions. [2021-03-26 10:04:31,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 38 transitions, 161 flow [2021-03-26 10:04:31,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 38 transitions, 158 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:04:31,542 INFO L241 Difference]: Finished difference. Result has 47 places, 38 transitions, 159 flow [2021-03-26 10:04:31,542 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=159, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2021-03-26 10:04:31,542 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -9 predicate places. [2021-03-26 10:04:31,542 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:31,543 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 38 transitions, 159 flow [2021-03-26 10:04:31,543 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 38 transitions, 159 flow [2021-03-26 10:04:31,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 38 transitions, 159 flow [2021-03-26 10:04:31,600 INFO L129 PetriNetUnfolder]: 306/581 cut-off events. [2021-03-26 10:04:31,600 INFO L130 PetriNetUnfolder]: For 544/579 co-relation queries the response was YES. [2021-03-26 10:04:31,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1587 conditions, 581 events. 306/581 cut-off events. For 544/579 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3255 event pairs, 72 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 1573. Up to 390 conditions per place. [2021-03-26 10:04:31,605 INFO L142 LiptonReduction]: Number of co-enabled transitions 626 [2021-03-26 10:04:31,646 INFO L154 LiptonReduction]: Checked pairs total: 212 [2021-03-26 10:04:31,646 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:31,646 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 104 [2021-03-26 10:04:31,649 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 159 flow [2021-03-26 10:04:31,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,650 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:31,650 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:31,650 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:04:31,650 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:31,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:31,650 INFO L82 PathProgramCache]: Analyzing trace with hash -179483353, now seen corresponding path program 1 times [2021-03-26 10:04:31,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:31,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564613656] [2021-03-26 10:04:31,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:31,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:31,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:04:31,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:31,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:31,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:31,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564613656] [2021-03-26 10:04:31,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:31,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:04:31,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726192465] [2021-03-26 10:04:31,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:04:31,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:31,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:04:31,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:04:31,700 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 198 [2021-03-26 10:04:31,701 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 159 flow. Second operand has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:31,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 198 [2021-03-26 10:04:31,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:31,768 INFO L129 PetriNetUnfolder]: 296/600 cut-off events. [2021-03-26 10:04:31,768 INFO L130 PetriNetUnfolder]: For 1481/1888 co-relation queries the response was YES. [2021-03-26 10:04:31,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1696 conditions, 600 events. 296/600 cut-off events. For 1481/1888 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 3334 event pairs, 84 based on Foata normal form. 34/524 useless extension candidates. Maximal degree in co-relation 1680. Up to 373 conditions per place. [2021-03-26 10:04:31,772 INFO L132 encePairwiseOnDemand]: 195/198 looper letters, 4 selfloop transitions, 3 changer transitions 0/38 dead transitions. [2021-03-26 10:04:31,772 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 38 transitions, 173 flow [2021-03-26 10:04:31,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:04:31,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:04:31,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 525 transitions. [2021-03-26 10:04:31,774 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8838383838383839 [2021-03-26 10:04:31,774 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 525 transitions. [2021-03-26 10:04:31,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 525 transitions. [2021-03-26 10:04:31,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:31,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 525 transitions. [2021-03-26 10:04:31,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,776 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,777 INFO L185 Difference]: Start difference. First operand has 47 places, 38 transitions, 159 flow. Second operand 3 states and 525 transitions. [2021-03-26 10:04:31,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 38 transitions, 173 flow [2021-03-26 10:04:31,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 38 transitions, 170 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:04:31,780 INFO L241 Difference]: Finished difference. Result has 49 places, 38 transitions, 169 flow [2021-03-26 10:04:31,780 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=169, PETRI_PLACES=49, PETRI_TRANSITIONS=38} [2021-03-26 10:04:31,780 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -7 predicate places. [2021-03-26 10:04:31,780 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:31,780 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 38 transitions, 169 flow [2021-03-26 10:04:31,780 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 38 transitions, 169 flow [2021-03-26 10:04:31,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 38 transitions, 169 flow [2021-03-26 10:04:31,835 INFO L129 PetriNetUnfolder]: 285/590 cut-off events. [2021-03-26 10:04:31,835 INFO L130 PetriNetUnfolder]: For 960/1144 co-relation queries the response was YES. [2021-03-26 10:04:31,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1641 conditions, 590 events. 285/590 cut-off events. For 960/1144 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3600 event pairs, 73 based on Foata normal form. 0/485 useless extension candidates. Maximal degree in co-relation 1626. Up to 368 conditions per place. [2021-03-26 10:04:31,840 INFO L142 LiptonReduction]: Number of co-enabled transitions 626 [2021-03-26 10:04:31,865 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 10:04:31,865 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:31,865 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 85 [2021-03-26 10:04:31,867 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 38 transitions, 169 flow [2021-03-26 10:04:31,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,867 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:31,867 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:31,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:04:31,867 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:31,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:31,868 INFO L82 PathProgramCache]: Analyzing trace with hash 777077814, now seen corresponding path program 1 times [2021-03-26 10:04:31,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:31,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146088906] [2021-03-26 10:04:31,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:31,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:31,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:31,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146088906] [2021-03-26 10:04:31,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:31,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 10:04:31,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861829206] [2021-03-26 10:04:31,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:04:31,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:31,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:04:31,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:04:31,920 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 198 [2021-03-26 10:04:31,921 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 38 transitions, 169 flow. Second operand has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,921 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:31,921 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 198 [2021-03-26 10:04:31,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:31,977 INFO L129 PetriNetUnfolder]: 274/542 cut-off events. [2021-03-26 10:04:31,977 INFO L130 PetriNetUnfolder]: For 2161/2464 co-relation queries the response was YES. [2021-03-26 10:04:31,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1609 conditions, 542 events. 274/542 cut-off events. For 2161/2464 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 2862 event pairs, 72 based on Foata normal form. 29/480 useless extension candidates. Maximal degree in co-relation 1592. Up to 351 conditions per place. [2021-03-26 10:04:31,980 INFO L132 encePairwiseOnDemand]: 195/198 looper letters, 2 selfloop transitions, 2 changer transitions 0/38 dead transitions. [2021-03-26 10:04:31,980 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 38 transitions, 177 flow [2021-03-26 10:04:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:04:31,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:04:31,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 532 transitions. [2021-03-26 10:04:31,983 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8956228956228957 [2021-03-26 10:04:31,983 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 532 transitions. [2021-03-26 10:04:31,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 532 transitions. [2021-03-26 10:04:31,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:31,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 532 transitions. [2021-03-26 10:04:31,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,985 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,986 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:31,986 INFO L185 Difference]: Start difference. First operand has 49 places, 38 transitions, 169 flow. Second operand 3 states and 532 transitions. [2021-03-26 10:04:31,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 38 transitions, 177 flow [2021-03-26 10:04:31,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 38 transitions, 172 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-26 10:04:31,988 INFO L241 Difference]: Finished difference. Result has 51 places, 38 transitions, 174 flow [2021-03-26 10:04:31,988 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=51, PETRI_TRANSITIONS=38} [2021-03-26 10:04:31,988 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -5 predicate places. [2021-03-26 10:04:31,988 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:31,989 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 38 transitions, 174 flow [2021-03-26 10:04:31,989 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 38 transitions, 174 flow [2021-03-26 10:04:31,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 38 transitions, 174 flow [2021-03-26 10:04:32,060 INFO L129 PetriNetUnfolder]: 257/528 cut-off events. [2021-03-26 10:04:32,061 INFO L130 PetriNetUnfolder]: For 1422/1644 co-relation queries the response was YES. [2021-03-26 10:04:32,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1529 conditions, 528 events. 257/528 cut-off events. For 1422/1644 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3063 event pairs, 62 based on Foata normal form. 3/452 useless extension candidates. Maximal degree in co-relation 1512. Up to 336 conditions per place. [2021-03-26 10:04:32,065 INFO L142 LiptonReduction]: Number of co-enabled transitions 622 [2021-03-26 10:04:32,079 INFO L154 LiptonReduction]: Checked pairs total: 166 [2021-03-26 10:04:32,079 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:32,079 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 91 [2021-03-26 10:04:32,082 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 38 transitions, 174 flow [2021-03-26 10:04:32,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:32,082 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:32,082 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:32,082 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:04:32,082 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:32,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:32,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1680488173, now seen corresponding path program 1 times [2021-03-26 10:04:32,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:32,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157804406] [2021-03-26 10:04:32,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:32,154 INFO L142 QuantifierPusher]: treesize reduction 17, result has 45.2 percent of original size [2021-03-26 10:04:32,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 10:04:32,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:32,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:04:32,171 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-26 10:04:32,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 10:04:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:32,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157804406] [2021-03-26 10:04:32,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:32,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:04:32,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612238595] [2021-03-26 10:04:32,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:04:32,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:32,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:04:32,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:04:32,180 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 198 [2021-03-26 10:04:32,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 38 transitions, 174 flow. Second operand has 5 states, 5 states have (on average 154.8) internal successors, (774), 5 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:32,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:32,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 198 [2021-03-26 10:04:32,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:32,282 INFO L129 PetriNetUnfolder]: 223/505 cut-off events. [2021-03-26 10:04:32,282 INFO L130 PetriNetUnfolder]: For 1814/2340 co-relation queries the response was YES. [2021-03-26 10:04:32,283 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1663 conditions, 505 events. 223/505 cut-off events. For 1814/2340 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2940 event pairs, 28 based on Foata normal form. 59/514 useless extension candidates. Maximal degree in co-relation 1644. Up to 287 conditions per place. [2021-03-26 10:04:32,285 INFO L132 encePairwiseOnDemand]: 192/198 looper letters, 18 selfloop transitions, 8 changer transitions 0/50 dead transitions. [2021-03-26 10:04:32,285 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 50 transitions, 284 flow [2021-03-26 10:04:32,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:04:32,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:04:32,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 634 transitions. [2021-03-26 10:04:32,287 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8005050505050505 [2021-03-26 10:04:32,287 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 634 transitions. [2021-03-26 10:04:32,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 634 transitions. [2021-03-26 10:04:32,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:32,288 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 634 transitions. [2021-03-26 10:04:32,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 158.5) internal successors, (634), 4 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:32,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:32,290 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:32,290 INFO L185 Difference]: Start difference. First operand has 51 places, 38 transitions, 174 flow. Second operand 4 states and 634 transitions. [2021-03-26 10:04:32,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 50 transitions, 284 flow [2021-03-26 10:04:32,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 50 transitions, 280 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:04:32,293 INFO L241 Difference]: Finished difference. Result has 53 places, 44 transitions, 239 flow [2021-03-26 10:04:32,293 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=239, PETRI_PLACES=53, PETRI_TRANSITIONS=44} [2021-03-26 10:04:32,293 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -3 predicate places. [2021-03-26 10:04:32,293 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:32,293 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 44 transitions, 239 flow [2021-03-26 10:04:32,293 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 44 transitions, 239 flow [2021-03-26 10:04:32,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 44 transitions, 239 flow [2021-03-26 10:04:32,333 INFO L129 PetriNetUnfolder]: 217/479 cut-off events. [2021-03-26 10:04:32,333 INFO L130 PetriNetUnfolder]: For 1198/1522 co-relation queries the response was YES. [2021-03-26 10:04:32,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1601 conditions, 479 events. 217/479 cut-off events. For 1198/1522 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2767 event pairs, 41 based on Foata normal form. 8/423 useless extension candidates. Maximal degree in co-relation 1583. Up to 297 conditions per place. [2021-03-26 10:04:32,338 INFO L142 LiptonReduction]: Number of co-enabled transitions 722 [2021-03-26 10:04:32,357 INFO L154 LiptonReduction]: Checked pairs total: 249 [2021-03-26 10:04:32,357 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:32,358 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 65 [2021-03-26 10:04:32,359 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 44 transitions, 239 flow [2021-03-26 10:04:32,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 154.8) internal successors, (774), 5 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:32,360 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:32,360 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:32,360 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:04:32,360 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:32,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:32,360 INFO L82 PathProgramCache]: Analyzing trace with hash 586788836, now seen corresponding path program 1 times [2021-03-26 10:04:32,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:32,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754858051] [2021-03-26 10:04:32,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:32,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:32,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:04:32,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:32,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:04:32,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:32,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:04:32,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:32,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:04:32,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:32,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754858051] [2021-03-26 10:04:32,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:32,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:04:32,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247856995] [2021-03-26 10:04:32,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:04:32,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:32,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:04:32,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:04:32,437 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 198 [2021-03-26 10:04:32,437 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 44 transitions, 239 flow. Second operand has 5 states, 5 states have (on average 159.2) internal successors, (796), 5 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:32,438 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:32,438 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 198 [2021-03-26 10:04:32,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:32,547 INFO L129 PetriNetUnfolder]: 239/555 cut-off events. [2021-03-26 10:04:32,547 INFO L130 PetriNetUnfolder]: For 1582/2421 co-relation queries the response was YES. [2021-03-26 10:04:32,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2117 conditions, 555 events. 239/555 cut-off events. For 1582/2421 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3368 event pairs, 20 based on Foata normal form. 59/571 useless extension candidates. Maximal degree in co-relation 2097. Up to 307 conditions per place. [2021-03-26 10:04:32,551 INFO L132 encePairwiseOnDemand]: 190/198 looper letters, 15 selfloop transitions, 16 changer transitions 0/55 dead transitions. [2021-03-26 10:04:32,551 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 55 transitions, 362 flow [2021-03-26 10:04:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:04:32,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:04:32,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 969 transitions. [2021-03-26 10:04:32,553 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8156565656565656 [2021-03-26 10:04:32,553 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 969 transitions. [2021-03-26 10:04:32,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 969 transitions. [2021-03-26 10:04:32,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:32,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 969 transitions. [2021-03-26 10:04:32,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 161.5) internal successors, (969), 6 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:32,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:32,556 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:32,556 INFO L185 Difference]: Start difference. First operand has 53 places, 44 transitions, 239 flow. Second operand 6 states and 969 transitions. [2021-03-26 10:04:32,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 55 transitions, 362 flow [2021-03-26 10:04:32,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 55 transitions, 349 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:04:32,560 INFO L241 Difference]: Finished difference. Result has 58 places, 52 transitions, 332 flow [2021-03-26 10:04:32,560 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=332, PETRI_PLACES=58, PETRI_TRANSITIONS=52} [2021-03-26 10:04:32,560 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 2 predicate places. [2021-03-26 10:04:32,560 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:32,560 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 52 transitions, 332 flow [2021-03-26 10:04:32,560 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 52 transitions, 332 flow [2021-03-26 10:04:32,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 52 transitions, 332 flow [2021-03-26 10:04:32,603 INFO L129 PetriNetUnfolder]: 231/513 cut-off events. [2021-03-26 10:04:32,603 INFO L130 PetriNetUnfolder]: For 1239/1557 co-relation queries the response was YES. [2021-03-26 10:04:32,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1945 conditions, 513 events. 231/513 cut-off events. For 1239/1557 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3094 event pairs, 39 based on Foata normal form. 20/489 useless extension candidates. Maximal degree in co-relation 1925. Up to 301 conditions per place. [2021-03-26 10:04:32,608 INFO L142 LiptonReduction]: Number of co-enabled transitions 874 [2021-03-26 10:04:32,637 INFO L154 LiptonReduction]: Checked pairs total: 565 [2021-03-26 10:04:32,637 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:32,637 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 77 [2021-03-26 10:04:32,638 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 52 transitions, 332 flow [2021-03-26 10:04:32,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 159.2) internal successors, (796), 5 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:32,638 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:32,638 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:32,638 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 10:04:32,638 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:32,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:32,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1828078964, now seen corresponding path program 1 times [2021-03-26 10:04:32,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:32,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082828697] [2021-03-26 10:04:32,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:32,714 INFO L142 QuantifierPusher]: treesize reduction 30, result has 38.8 percent of original size [2021-03-26 10:04:32,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 10:04:32,724 INFO L142 QuantifierPusher]: treesize reduction 30, result has 42.3 percent of original size [2021-03-26 10:04:32,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 10:04:32,737 INFO L142 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-03-26 10:04:32,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 10:04:32,748 INFO L142 QuantifierPusher]: treesize reduction 18, result has 51.4 percent of original size [2021-03-26 10:04:32,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 10:04:32,763 INFO L142 QuantifierPusher]: treesize reduction 42, result has 58.8 percent of original size [2021-03-26 10:04:32,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 10:04:32,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:32,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082828697] [2021-03-26 10:04:32,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:32,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:04:32,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864786139] [2021-03-26 10:04:32,794 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:04:32,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:32,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:04:32,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:04:32,795 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 198 [2021-03-26 10:04:32,795 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 52 transitions, 332 flow. Second operand has 7 states, 7 states have (on average 146.85714285714286) internal successors, (1028), 7 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:32,795 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:32,796 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 198 [2021-03-26 10:04:32,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:32,984 INFO L129 PetriNetUnfolder]: 279/631 cut-off events. [2021-03-26 10:04:32,984 INFO L130 PetriNetUnfolder]: For 2485/4460 co-relation queries the response was YES. [2021-03-26 10:04:32,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2773 conditions, 631 events. 279/631 cut-off events. For 2485/4460 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 3909 event pairs, 7 based on Foata normal form. 119/708 useless extension candidates. Maximal degree in co-relation 2751. Up to 367 conditions per place. [2021-03-26 10:04:32,989 INFO L132 encePairwiseOnDemand]: 191/198 looper letters, 28 selfloop transitions, 21 changer transitions 0/73 dead transitions. [2021-03-26 10:04:32,989 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 73 transitions, 601 flow [2021-03-26 10:04:32,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:04:32,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:04:32,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 901 transitions. [2021-03-26 10:04:32,992 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7584175084175084 [2021-03-26 10:04:32,992 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 901 transitions. [2021-03-26 10:04:32,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 901 transitions. [2021-03-26 10:04:32,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:32,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 901 transitions. [2021-03-26 10:04:32,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 150.16666666666666) internal successors, (901), 6 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:32,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:32,996 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:32,996 INFO L185 Difference]: Start difference. First operand has 58 places, 52 transitions, 332 flow. Second operand 6 states and 901 transitions. [2021-03-26 10:04:32,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 73 transitions, 601 flow [2021-03-26 10:04:32,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 73 transitions, 588 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-03-26 10:04:33,000 INFO L241 Difference]: Finished difference. Result has 64 places, 63 transitions, 484 flow [2021-03-26 10:04:33,000 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=484, PETRI_PLACES=64, PETRI_TRANSITIONS=63} [2021-03-26 10:04:33,000 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 8 predicate places. [2021-03-26 10:04:33,000 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:33,000 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 63 transitions, 484 flow [2021-03-26 10:04:33,000 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 63 transitions, 484 flow [2021-03-26 10:04:33,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 63 transitions, 484 flow [2021-03-26 10:04:33,085 INFO L129 PetriNetUnfolder]: 273/591 cut-off events. [2021-03-26 10:04:33,085 INFO L130 PetriNetUnfolder]: For 2112/2355 co-relation queries the response was YES. [2021-03-26 10:04:33,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2572 conditions, 591 events. 273/591 cut-off events. For 2112/2355 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3536 event pairs, 36 based on Foata normal form. 18/562 useless extension candidates. Maximal degree in co-relation 2549. Up to 345 conditions per place. [2021-03-26 10:04:33,092 INFO L142 LiptonReduction]: Number of co-enabled transitions 1072 [2021-03-26 10:04:33,130 INFO L154 LiptonReduction]: Checked pairs total: 897 [2021-03-26 10:04:33,130 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:33,130 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 130 [2021-03-26 10:04:33,130 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 63 transitions, 484 flow [2021-03-26 10:04:33,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 146.85714285714286) internal successors, (1028), 7 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:33,132 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:33,132 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:33,132 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 10:04:33,132 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:33,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:33,132 INFO L82 PathProgramCache]: Analyzing trace with hash 345662, now seen corresponding path program 2 times [2021-03-26 10:04:33,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:33,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381006986] [2021-03-26 10:04:33,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:33,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:33,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:04:33,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:33,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:04:33,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:33,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:04:33,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:33,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:04:33,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:33,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:04:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:33,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381006986] [2021-03-26 10:04:33,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:33,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:04:33,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205909298] [2021-03-26 10:04:33,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:04:33,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:33,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:04:33,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:04:33,219 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 198 [2021-03-26 10:04:33,220 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 63 transitions, 484 flow. Second operand has 6 states, 6 states have (on average 158.0) internal successors, (948), 6 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:33,220 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:33,220 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 198 [2021-03-26 10:04:33,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:33,336 INFO L129 PetriNetUnfolder]: 287/721 cut-off events. [2021-03-26 10:04:33,336 INFO L130 PetriNetUnfolder]: For 4011/5826 co-relation queries the response was YES. [2021-03-26 10:04:33,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3450 conditions, 721 events. 287/721 cut-off events. For 4011/5826 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 4998 event pairs, 29 based on Foata normal form. 127/807 useless extension candidates. Maximal degree in co-relation 3425. Up to 403 conditions per place. [2021-03-26 10:04:33,341 INFO L132 encePairwiseOnDemand]: 193/198 looper letters, 31 selfloop transitions, 21 changer transitions 0/76 dead transitions. [2021-03-26 10:04:33,342 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 76 transitions, 707 flow [2021-03-26 10:04:33,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:04:33,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:04:33,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 642 transitions. [2021-03-26 10:04:33,343 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8106060606060606 [2021-03-26 10:04:33,343 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 642 transitions. [2021-03-26 10:04:33,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 642 transitions. [2021-03-26 10:04:33,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:33,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 642 transitions. [2021-03-26 10:04:33,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 160.5) internal successors, (642), 4 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:33,346 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:33,346 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:33,346 INFO L185 Difference]: Start difference. First operand has 64 places, 63 transitions, 484 flow. Second operand 4 states and 642 transitions. [2021-03-26 10:04:33,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 76 transitions, 707 flow [2021-03-26 10:04:33,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 76 transitions, 685 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:04:33,351 INFO L241 Difference]: Finished difference. Result has 67 places, 70 transitions, 607 flow [2021-03-26 10:04:33,351 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=607, PETRI_PLACES=67, PETRI_TRANSITIONS=70} [2021-03-26 10:04:33,351 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 11 predicate places. [2021-03-26 10:04:33,351 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:33,351 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 70 transitions, 607 flow [2021-03-26 10:04:33,352 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 70 transitions, 607 flow [2021-03-26 10:04:33,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 70 transitions, 607 flow [2021-03-26 10:04:33,415 INFO L129 PetriNetUnfolder]: 281/679 cut-off events. [2021-03-26 10:04:33,415 INFO L130 PetriNetUnfolder]: For 3184/3547 co-relation queries the response was YES. [2021-03-26 10:04:33,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3130 conditions, 679 events. 281/679 cut-off events. For 3184/3547 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4517 event pairs, 37 based on Foata normal form. 28/661 useless extension candidates. Maximal degree in co-relation 3105. Up to 395 conditions per place. [2021-03-26 10:04:33,423 INFO L142 LiptonReduction]: Number of co-enabled transitions 1160 [2021-03-26 10:04:33,480 INFO L154 LiptonReduction]: Checked pairs total: 1467 [2021-03-26 10:04:33,480 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:33,480 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 129 [2021-03-26 10:04:33,481 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 70 transitions, 607 flow [2021-03-26 10:04:33,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 158.0) internal successors, (948), 6 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:33,482 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:33,482 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:33,482 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 10:04:33,482 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:33,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:33,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1295859012, now seen corresponding path program 1 times [2021-03-26 10:04:33,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:33,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344382552] [2021-03-26 10:04:33,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:33,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:33,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:33,517 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:04:33,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:04:33,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:33,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:04:33,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:33,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344382552] [2021-03-26 10:04:33,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:33,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:04:33,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883062388] [2021-03-26 10:04:33,523 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:04:33,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:33,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:04:33,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:04:33,524 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 198 [2021-03-26 10:04:33,524 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 70 transitions, 607 flow. Second operand has 4 states, 4 states have (on average 161.75) internal successors, (647), 4 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:33,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:33,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 198 [2021-03-26 10:04:33,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:33,936 INFO L129 PetriNetUnfolder]: 2003/3538 cut-off events. [2021-03-26 10:04:33,936 INFO L130 PetriNetUnfolder]: For 9620/12907 co-relation queries the response was YES. [2021-03-26 10:04:33,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11487 conditions, 3538 events. 2003/3538 cut-off events. For 9620/12907 co-relation queries the response was YES. Maximal size of possible extension queue 567. Compared 27576 event pairs, 641 based on Foata normal form. 516/3302 useless extension candidates. Maximal degree in co-relation 11460. Up to 2203 conditions per place. [2021-03-26 10:04:33,964 INFO L132 encePairwiseOnDemand]: 191/198 looper letters, 15 selfloop transitions, 10 changer transitions 0/84 dead transitions. [2021-03-26 10:04:33,964 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 84 transitions, 685 flow [2021-03-26 10:04:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:04:33,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:04:33,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 829 transitions. [2021-03-26 10:04:33,966 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8373737373737373 [2021-03-26 10:04:33,966 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 829 transitions. [2021-03-26 10:04:33,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 829 transitions. [2021-03-26 10:04:33,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:33,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 829 transitions. [2021-03-26 10:04:33,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 165.8) internal successors, (829), 5 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:33,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:33,970 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:33,970 INFO L185 Difference]: Start difference. First operand has 67 places, 70 transitions, 607 flow. Second operand 5 states and 829 transitions. [2021-03-26 10:04:33,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 84 transitions, 685 flow [2021-03-26 10:04:33,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 84 transitions, 663 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:04:33,982 INFO L241 Difference]: Finished difference. Result has 72 places, 79 transitions, 672 flow [2021-03-26 10:04:33,982 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=585, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=672, PETRI_PLACES=72, PETRI_TRANSITIONS=79} [2021-03-26 10:04:33,982 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 16 predicate places. [2021-03-26 10:04:33,982 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:33,982 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 79 transitions, 672 flow [2021-03-26 10:04:33,982 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 79 transitions, 672 flow [2021-03-26 10:04:33,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 79 transitions, 672 flow [2021-03-26 10:04:34,254 INFO L129 PetriNetUnfolder]: 1729/3088 cut-off events. [2021-03-26 10:04:34,254 INFO L130 PetriNetUnfolder]: For 11193/13004 co-relation queries the response was YES. [2021-03-26 10:04:34,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12619 conditions, 3088 events. 1729/3088 cut-off events. For 11193/13004 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 23976 event pairs, 608 based on Foata normal form. 59/2699 useless extension candidates. Maximal degree in co-relation 12591. Up to 1786 conditions per place. [2021-03-26 10:04:34,295 INFO L142 LiptonReduction]: Number of co-enabled transitions 1600 [2021-03-26 10:04:34,337 INFO L154 LiptonReduction]: Checked pairs total: 456 [2021-03-26 10:04:34,337 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:34,337 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 355 [2021-03-26 10:04:34,339 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 79 transitions, 672 flow [2021-03-26 10:04:34,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 161.75) internal successors, (647), 4 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:34,340 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:34,340 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:34,340 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 10:04:34,340 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:34,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:34,340 INFO L82 PathProgramCache]: Analyzing trace with hash -553094543, now seen corresponding path program 1 times [2021-03-26 10:04:34,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:34,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117395226] [2021-03-26 10:04:34,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:34,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:34,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:34,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:34,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:34,380 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:04:34,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:04:34,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:34,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:04:34,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:34,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117395226] [2021-03-26 10:04:34,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:34,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:04:34,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584096781] [2021-03-26 10:04:34,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:04:34,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:34,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:04:34,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:04:34,399 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 198 [2021-03-26 10:04:34,400 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 79 transitions, 672 flow. Second operand has 5 states, 5 states have (on average 161.8) internal successors, (809), 5 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:34,400 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:34,400 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 198 [2021-03-26 10:04:34,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:34,727 INFO L129 PetriNetUnfolder]: 1412/2690 cut-off events. [2021-03-26 10:04:34,728 INFO L130 PetriNetUnfolder]: For 12071/26716 co-relation queries the response was YES. [2021-03-26 10:04:34,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11456 conditions, 2690 events. 1412/2690 cut-off events. For 12071/26716 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 21323 event pairs, 159 based on Foata normal form. 978/3241 useless extension candidates. Maximal degree in co-relation 11426. Up to 1705 conditions per place. [2021-03-26 10:04:34,750 INFO L132 encePairwiseOnDemand]: 191/198 looper letters, 16 selfloop transitions, 19 changer transitions 0/92 dead transitions. [2021-03-26 10:04:34,750 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 92 transitions, 802 flow [2021-03-26 10:04:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:04:34,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:04:34,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1161 transitions. [2021-03-26 10:04:34,752 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8376623376623377 [2021-03-26 10:04:34,752 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1161 transitions. [2021-03-26 10:04:34,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1161 transitions. [2021-03-26 10:04:34,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:34,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1161 transitions. [2021-03-26 10:04:34,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 165.85714285714286) internal successors, (1161), 7 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:34,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 198.0) internal successors, (1584), 8 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:34,757 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 198.0) internal successors, (1584), 8 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:34,757 INFO L185 Difference]: Start difference. First operand has 72 places, 79 transitions, 672 flow. Second operand 7 states and 1161 transitions. [2021-03-26 10:04:34,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 92 transitions, 802 flow [2021-03-26 10:04:34,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 92 transitions, 797 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:04:34,765 INFO L241 Difference]: Finished difference. Result has 80 places, 86 transitions, 793 flow [2021-03-26 10:04:34,766 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=793, PETRI_PLACES=80, PETRI_TRANSITIONS=86} [2021-03-26 10:04:34,766 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 24 predicate places. [2021-03-26 10:04:34,766 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:34,766 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 86 transitions, 793 flow [2021-03-26 10:04:34,766 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 86 transitions, 793 flow [2021-03-26 10:04:34,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 86 transitions, 793 flow [2021-03-26 10:04:34,928 INFO L129 PetriNetUnfolder]: 1067/2151 cut-off events. [2021-03-26 10:04:34,928 INFO L130 PetriNetUnfolder]: For 12380/17122 co-relation queries the response was YES. [2021-03-26 10:04:34,941 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11007 conditions, 2151 events. 1067/2151 cut-off events. For 12380/17122 co-relation queries the response was YES. Maximal size of possible extension queue 377. Compared 17268 event pairs, 161 based on Foata normal form. 133/2008 useless extension candidates. Maximal degree in co-relation 10975. Up to 1408 conditions per place. [2021-03-26 10:04:34,963 INFO L142 LiptonReduction]: Number of co-enabled transitions 1884 [2021-03-26 10:04:35,130 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-03-26 10:04:35,517 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 87 [2021-03-26 10:04:35,644 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-26 10:04:35,722 INFO L154 LiptonReduction]: Checked pairs total: 1221 [2021-03-26 10:04:35,722 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:04:35,723 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 957 [2021-03-26 10:04:35,723 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 86 transitions, 798 flow [2021-03-26 10:04:35,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 161.8) internal successors, (809), 5 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:35,724 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:35,724 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:35,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 10:04:35,724 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:35,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:35,724 INFO L82 PathProgramCache]: Analyzing trace with hash -847053838, now seen corresponding path program 1 times [2021-03-26 10:04:35,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:35,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448085150] [2021-03-26 10:04:35,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:35,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:35,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:35,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:35,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:35,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:35,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:35,784 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:04:35,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:04:35,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:35,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:04:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:35,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448085150] [2021-03-26 10:04:35,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:35,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:04:35,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594883808] [2021-03-26 10:04:35,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:04:35,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:35,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:04:35,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:04:35,793 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 199 [2021-03-26 10:04:35,793 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 86 transitions, 798 flow. Second operand has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:35,793 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:35,794 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 199 [2021-03-26 10:04:35,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:36,062 INFO L129 PetriNetUnfolder]: 1041/2072 cut-off events. [2021-03-26 10:04:36,062 INFO L130 PetriNetUnfolder]: For 15892/42261 co-relation queries the response was YES. [2021-03-26 10:04:36,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11150 conditions, 2072 events. 1041/2072 cut-off events. For 15892/42261 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 16389 event pairs, 13 based on Foata normal form. 1299/2983 useless extension candidates. Maximal degree in co-relation 11116. Up to 1566 conditions per place. [2021-03-26 10:04:36,086 INFO L132 encePairwiseOnDemand]: 192/199 looper letters, 11 selfloop transitions, 28 changer transitions 5/96 dead transitions. [2021-03-26 10:04:36,087 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 96 transitions, 959 flow [2021-03-26 10:04:36,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 10:04:36,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 10:04:36,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1502 transitions. [2021-03-26 10:04:36,089 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8386376326074818 [2021-03-26 10:04:36,089 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1502 transitions. [2021-03-26 10:04:36,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1502 transitions. [2021-03-26 10:04:36,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:36,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1502 transitions. [2021-03-26 10:04:36,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 166.88888888888889) internal successors, (1502), 9 states have internal predecessors, (1502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:36,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 199.0) internal successors, (1990), 10 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:36,095 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 199.0) internal successors, (1990), 10 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:36,095 INFO L185 Difference]: Start difference. First operand has 80 places, 86 transitions, 798 flow. Second operand 9 states and 1502 transitions. [2021-03-26 10:04:36,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 96 transitions, 959 flow [2021-03-26 10:04:36,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 96 transitions, 907 flow, removed 18 selfloop flow, removed 3 redundant places. [2021-03-26 10:04:36,162 INFO L241 Difference]: Finished difference. Result has 88 places, 88 transitions, 852 flow [2021-03-26 10:04:36,163 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=687, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=852, PETRI_PLACES=88, PETRI_TRANSITIONS=88} [2021-03-26 10:04:36,163 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 32 predicate places. [2021-03-26 10:04:36,163 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:36,163 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 88 transitions, 852 flow [2021-03-26 10:04:36,163 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 88 transitions, 852 flow [2021-03-26 10:04:36,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 88 transitions, 852 flow [2021-03-26 10:04:36,270 INFO L129 PetriNetUnfolder]: 666/1504 cut-off events. [2021-03-26 10:04:36,271 INFO L130 PetriNetUnfolder]: For 12098/15226 co-relation queries the response was YES. [2021-03-26 10:04:36,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7920 conditions, 1504 events. 666/1504 cut-off events. For 12098/15226 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 12645 event pairs, 19 based on Foata normal form. 77/1336 useless extension candidates. Maximal degree in co-relation 7885. Up to 855 conditions per place. [2021-03-26 10:04:36,292 INFO L142 LiptonReduction]: Number of co-enabled transitions 1974 [2021-03-26 10:04:36,298 INFO L154 LiptonReduction]: Checked pairs total: 520 [2021-03-26 10:04:36,298 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:36,298 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 135 [2021-03-26 10:04:36,299 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 88 transitions, 852 flow [2021-03-26 10:04:36,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:36,299 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:36,299 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:36,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 10:04:36,299 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:36,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:36,299 INFO L82 PathProgramCache]: Analyzing trace with hash 367729059, now seen corresponding path program 1 times [2021-03-26 10:04:36,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:36,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051806987] [2021-03-26 10:04:36,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:36,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:36,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:36,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:36,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:36,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:36,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:36,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:36,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:36,366 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:04:36,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:04:36,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:36,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:04:36,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:36,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051806987] [2021-03-26 10:04:36,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:36,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 10:04:36,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269389626] [2021-03-26 10:04:36,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:04:36,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:36,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:04:36,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:04:36,378 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 199 [2021-03-26 10:04:36,379 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 88 transitions, 852 flow. Second operand has 7 states, 7 states have (on average 162.85714285714286) internal successors, (1140), 7 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:36,379 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:36,379 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 199 [2021-03-26 10:04:36,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:36,667 INFO L129 PetriNetUnfolder]: 953/1905 cut-off events. [2021-03-26 10:04:36,668 INFO L130 PetriNetUnfolder]: For 16633/35663 co-relation queries the response was YES. [2021-03-26 10:04:36,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10561 conditions, 1905 events. 953/1905 cut-off events. For 16633/35663 co-relation queries the response was YES. Maximal size of possible extension queue 379. Compared 15072 event pairs, 0 based on Foata normal form. 1122/2647 useless extension candidates. Maximal degree in co-relation 10524. Up to 1081 conditions per place. [2021-03-26 10:04:36,685 INFO L132 encePairwiseOnDemand]: 192/199 looper letters, 6 selfloop transitions, 33 changer transitions 5/94 dead transitions. [2021-03-26 10:04:36,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 94 transitions, 964 flow [2021-03-26 10:04:36,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 10:04:36,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 10:04:36,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1828 transitions. [2021-03-26 10:04:36,689 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8350845134764733 [2021-03-26 10:04:36,689 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1828 transitions. [2021-03-26 10:04:36,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1828 transitions. [2021-03-26 10:04:36,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:36,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1828 transitions. [2021-03-26 10:04:36,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 166.1818181818182) internal successors, (1828), 11 states have internal predecessors, (1828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:36,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 199.0) internal successors, (2388), 12 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:36,695 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 199.0) internal successors, (2388), 12 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:36,695 INFO L185 Difference]: Start difference. First operand has 88 places, 88 transitions, 852 flow. Second operand 11 states and 1828 transitions. [2021-03-26 10:04:36,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 94 transitions, 964 flow [2021-03-26 10:04:36,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 94 transitions, 810 flow, removed 50 selfloop flow, removed 7 redundant places. [2021-03-26 10:04:36,783 INFO L241 Difference]: Finished difference. Result has 94 places, 86 transitions, 752 flow [2021-03-26 10:04:36,783 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=752, PETRI_PLACES=94, PETRI_TRANSITIONS=86} [2021-03-26 10:04:36,783 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 38 predicate places. [2021-03-26 10:04:36,783 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:36,784 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 86 transitions, 752 flow [2021-03-26 10:04:36,784 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 86 transitions, 752 flow [2021-03-26 10:04:36,784 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 86 transitions, 752 flow [2021-03-26 10:04:36,872 INFO L129 PetriNetUnfolder]: 606/1376 cut-off events. [2021-03-26 10:04:36,872 INFO L130 PetriNetUnfolder]: For 7627/9228 co-relation queries the response was YES. [2021-03-26 10:04:36,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6159 conditions, 1376 events. 606/1376 cut-off events. For 7627/9228 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 11600 event pairs, 3 based on Foata normal form. 54/1192 useless extension candidates. Maximal degree in co-relation 6122. Up to 405 conditions per place. [2021-03-26 10:04:36,890 INFO L142 LiptonReduction]: Number of co-enabled transitions 1946 [2021-03-26 10:04:37,482 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 184 [2021-03-26 10:04:37,704 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-03-26 10:04:38,946 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 339 DAG size of output: 260 [2021-03-26 10:04:39,426 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2021-03-26 10:04:39,658 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-03-26 10:04:39,878 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-03-26 10:04:40,430 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2021-03-26 10:04:40,969 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2021-03-26 10:04:40,980 INFO L154 LiptonReduction]: Checked pairs total: 1607 [2021-03-26 10:04:40,980 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 10:04:40,980 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4197 [2021-03-26 10:04:40,980 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 80 transitions, 712 flow [2021-03-26 10:04:40,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 162.85714285714286) internal successors, (1140), 7 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:40,981 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:40,981 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:40,981 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 10:04:40,981 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:40,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:40,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1139350751, now seen corresponding path program 1 times [2021-03-26 10:04:40,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:40,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194669854] [2021-03-26 10:04:40,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:41,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:41,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:04:41,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:41,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:04:41,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:41,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:04:41,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:41,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:04:41,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:41,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:04:41,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:41,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194669854] [2021-03-26 10:04:41,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:41,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:04:41,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135454876] [2021-03-26 10:04:41,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:04:41,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:41,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:04:41,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:04:41,046 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 201 [2021-03-26 10:04:41,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 80 transitions, 712 flow. Second operand has 7 states, 7 states have (on average 149.28571428571428) internal successors, (1045), 7 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:41,047 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:41,047 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 201 [2021-03-26 10:04:41,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:41,306 INFO L129 PetriNetUnfolder]: 637/1392 cut-off events. [2021-03-26 10:04:41,307 INFO L130 PetriNetUnfolder]: For 14700/15361 co-relation queries the response was YES. [2021-03-26 10:04:41,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6238 conditions, 1392 events. 637/1392 cut-off events. For 14700/15361 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 10458 event pairs, 13 based on Foata normal form. 84/1325 useless extension candidates. Maximal degree in co-relation 6199. Up to 404 conditions per place. [2021-03-26 10:04:41,315 INFO L132 encePairwiseOnDemand]: 193/201 looper letters, 41 selfloop transitions, 12 changer transitions 66/152 dead transitions. [2021-03-26 10:04:41,315 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 152 transitions, 1650 flow [2021-03-26 10:04:41,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 10:04:41,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 10:04:41,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1373 transitions. [2021-03-26 10:04:41,318 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7589828634604754 [2021-03-26 10:04:41,318 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1373 transitions. [2021-03-26 10:04:41,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1373 transitions. [2021-03-26 10:04:41,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:41,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1373 transitions. [2021-03-26 10:04:41,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 152.55555555555554) internal successors, (1373), 9 states have internal predecessors, (1373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:41,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 201.0) internal successors, (2010), 10 states have internal predecessors, (2010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:41,323 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 201.0) internal successors, (2010), 10 states have internal predecessors, (2010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:41,323 INFO L185 Difference]: Start difference. First operand has 91 places, 80 transitions, 712 flow. Second operand 9 states and 1373 transitions. [2021-03-26 10:04:41,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 152 transitions, 1650 flow [2021-03-26 10:04:41,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 152 transitions, 1563 flow, removed 28 selfloop flow, removed 13 redundant places. [2021-03-26 10:04:41,349 INFO L241 Difference]: Finished difference. Result has 81 places, 72 transitions, 595 flow [2021-03-26 10:04:41,349 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=509, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=595, PETRI_PLACES=81, PETRI_TRANSITIONS=72} [2021-03-26 10:04:41,349 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 25 predicate places. [2021-03-26 10:04:41,349 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:41,349 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 72 transitions, 595 flow [2021-03-26 10:04:41,349 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 72 transitions, 595 flow [2021-03-26 10:04:41,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 72 transitions, 595 flow [2021-03-26 10:04:41,393 INFO L129 PetriNetUnfolder]: 296/705 cut-off events. [2021-03-26 10:04:41,393 INFO L130 PetriNetUnfolder]: For 3032/3264 co-relation queries the response was YES. [2021-03-26 10:04:41,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2623 conditions, 705 events. 296/705 cut-off events. For 3032/3264 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 4868 event pairs, 7 based on Foata normal form. 68/703 useless extension candidates. Maximal degree in co-relation 2591. Up to 224 conditions per place. [2021-03-26 10:04:41,400 INFO L142 LiptonReduction]: Number of co-enabled transitions 1160 [2021-03-26 10:04:41,402 INFO L154 LiptonReduction]: Checked pairs total: 105 [2021-03-26 10:04:41,402 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:41,402 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 53 [2021-03-26 10:04:41,406 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 72 transitions, 595 flow [2021-03-26 10:04:41,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 149.28571428571428) internal successors, (1045), 7 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:41,406 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:41,406 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:41,407 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 10:04:41,407 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:41,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:41,407 INFO L82 PathProgramCache]: Analyzing trace with hash 2000230981, now seen corresponding path program 1 times [2021-03-26 10:04:41,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:41,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510566833] [2021-03-26 10:04:41,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:41,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:41,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:04:41,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:41,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:41,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:41,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510566833] [2021-03-26 10:04:41,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:41,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:04:41,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861463624] [2021-03-26 10:04:41,440 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:04:41,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:41,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:04:41,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:04:41,441 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 201 [2021-03-26 10:04:41,441 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 72 transitions, 595 flow. Second operand has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:41,441 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:41,441 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 201 [2021-03-26 10:04:41,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:41,522 INFO L129 PetriNetUnfolder]: 448/1038 cut-off events. [2021-03-26 10:04:41,523 INFO L130 PetriNetUnfolder]: For 6623/7183 co-relation queries the response was YES. [2021-03-26 10:04:41,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3780 conditions, 1038 events. 448/1038 cut-off events. For 6623/7183 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 7606 event pairs, 8 based on Foata normal form. 104/1025 useless extension candidates. Maximal degree in co-relation 3746. Up to 338 conditions per place. [2021-03-26 10:04:41,529 INFO L132 encePairwiseOnDemand]: 198/201 looper letters, 3 selfloop transitions, 2 changer transitions 22/73 dead transitions. [2021-03-26 10:04:41,529 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 73 transitions, 613 flow [2021-03-26 10:04:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:04:41,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:04:41,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 536 transitions. [2021-03-26 10:04:41,530 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2021-03-26 10:04:41,531 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 536 transitions. [2021-03-26 10:04:41,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 536 transitions. [2021-03-26 10:04:41,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:41,531 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 536 transitions. [2021-03-26 10:04:41,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:41,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:41,533 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:41,533 INFO L185 Difference]: Start difference. First operand has 78 places, 72 transitions, 595 flow. Second operand 3 states and 536 transitions. [2021-03-26 10:04:41,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 73 transitions, 613 flow [2021-03-26 10:04:41,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 73 transitions, 605 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-26 10:04:41,548 INFO L241 Difference]: Finished difference. Result has 79 places, 51 transitions, 366 flow [2021-03-26 10:04:41,548 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=587, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=366, PETRI_PLACES=79, PETRI_TRANSITIONS=51} [2021-03-26 10:04:41,549 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 23 predicate places. [2021-03-26 10:04:41,549 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:41,549 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 51 transitions, 366 flow [2021-03-26 10:04:41,549 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 51 transitions, 366 flow [2021-03-26 10:04:41,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 51 transitions, 366 flow [2021-03-26 10:04:41,568 INFO L129 PetriNetUnfolder]: 145/326 cut-off events. [2021-03-26 10:04:41,568 INFO L130 PetriNetUnfolder]: For 1053/1192 co-relation queries the response was YES. [2021-03-26 10:04:41,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1107 conditions, 326 events. 145/326 cut-off events. For 1053/1192 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1700 event pairs, 0 based on Foata normal form. 16/297 useless extension candidates. Maximal degree in co-relation 1074. Up to 116 conditions per place. [2021-03-26 10:04:41,571 INFO L142 LiptonReduction]: Number of co-enabled transitions 630 [2021-03-26 10:04:41,893 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 69 [2021-03-26 10:04:42,181 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 88 [2021-03-26 10:04:42,236 INFO L154 LiptonReduction]: Checked pairs total: 131 [2021-03-26 10:04:42,236 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 10:04:42,236 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 687 [2021-03-26 10:04:42,236 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 47 transitions, 372 flow [2021-03-26 10:04:42,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:42,236 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:42,236 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:42,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 10:04:42,237 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:42,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:42,237 INFO L82 PathProgramCache]: Analyzing trace with hash 435257236, now seen corresponding path program 1 times [2021-03-26 10:04:42,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:42,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73106107] [2021-03-26 10:04:42,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:04:42,265 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:04:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:04:42,291 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:04:42,324 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 10:04:42,324 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 10:04:42,324 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 10:04:42,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 10:04:42 BasicIcfg [2021-03-26 10:04:42,453 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 10:04:42,454 INFO L168 Benchmark]: Toolchain (without parser) took 26578.96 ms. Allocated memory was 339.7 MB in the beginning and 1.1 GB in the end (delta: 771.8 MB). Free memory was 302.8 MB in the beginning and 1.1 GB in the end (delta: -775.8 MB). Peak memory consumption was 658.2 MB. Max. memory is 16.0 GB. [2021-03-26 10:04:42,454 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 339.7 MB. Free memory was 320.9 MB in the beginning and 320.8 MB in the end (delta: 76.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:04:42,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.35 ms. Allocated memory is still 339.7 MB. Free memory was 302.6 MB in the beginning and 299.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. [2021-03-26 10:04:42,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.50 ms. Allocated memory is still 339.7 MB. Free memory was 299.8 MB in the beginning and 296.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:04:42,454 INFO L168 Benchmark]: Boogie Preprocessor took 46.49 ms. Allocated memory is still 339.7 MB. Free memory was 296.7 MB in the beginning and 294.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:04:42,454 INFO L168 Benchmark]: RCFGBuilder took 1410.21 ms. Allocated memory is still 339.7 MB. Free memory was 294.7 MB in the beginning and 193.6 MB in the end (delta: 101.1 MB). Peak memory consumption was 107.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:04:42,455 INFO L168 Benchmark]: TraceAbstraction took 24651.49 ms. Allocated memory was 339.7 MB in the beginning and 1.1 GB in the end (delta: 771.8 MB). Free memory was 193.6 MB in the beginning and 1.1 GB in the end (delta: -885.0 MB). Peak memory consumption was 546.9 MB. Max. memory is 16.0 GB. [2021-03-26 10:04:42,455 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 339.7 MB. Free memory was 320.9 MB in the beginning and 320.8 MB in the end (delta: 76.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 405.35 ms. Allocated memory is still 339.7 MB. Free memory was 302.6 MB in the beginning and 299.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 61.50 ms. Allocated memory is still 339.7 MB. Free memory was 299.8 MB in the beginning and 296.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 46.49 ms. Allocated memory is still 339.7 MB. Free memory was 296.7 MB in the beginning and 294.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1410.21 ms. Allocated memory is still 339.7 MB. Free memory was 294.7 MB in the beginning and 193.6 MB in the end (delta: 101.1 MB). Peak memory consumption was 107.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 24651.49 ms. Allocated memory was 339.7 MB in the beginning and 1.1 GB in the end (delta: 771.8 MB). Free memory was 193.6 MB in the beginning and 1.1 GB in the end (delta: -885.0 MB). Peak memory consumption was 546.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8070.8ms, 122 PlacesBefore, 56 PlacesAfterwards, 111 TransitionsBefore, 44 TransitionsAfterwards, 2630 CoEnabledTransitionPairs, 6 FixpointIterations, 32 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 75 TotalNumberOfCompositions, 5123 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2573, positive: 2451, positive conditional: 2451, positive unconditional: 0, negative: 122, negative conditional: 122, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2573, positive: 2451, positive conditional: 0, positive unconditional: 2451, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2573, positive: 2451, positive conditional: 0, positive unconditional: 2451, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1804, positive: 1755, positive conditional: 0, positive unconditional: 1755, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1804, positive: 1736, positive conditional: 0, positive unconditional: 1736, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 751, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 709, negative conditional: 0, negative unconditional: 709, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2573, positive: 696, positive conditional: 0, positive unconditional: 696, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 1804, unknown conditional: 0, unknown unconditional: 1804] , Statistics on independence cache: Total cache size (in pairs): 1804, Positive cache size: 1755, Positive conditional cache size: 0, Positive unconditional cache size: 1755, Negative cache size: 49, Negative conditional cache size: 0, Negative unconditional cache size: 49, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3360.4ms, 52 PlacesBefore, 40 PlacesAfterwards, 36 TransitionsBefore, 29 TransitionsAfterwards, 434 CoEnabledTransitionPairs, 4 FixpointIterations, 6 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 2040 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 763, positive: 652, positive conditional: 652, positive unconditional: 0, negative: 111, negative conditional: 111, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 763, positive: 652, positive conditional: 78, positive unconditional: 574, negative: 111, negative conditional: 31, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 763, positive: 652, positive conditional: 78, positive unconditional: 574, negative: 111, negative conditional: 31, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 114, positive: 96, positive conditional: 11, positive unconditional: 85, negative: 18, negative conditional: 8, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 114, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 18, negative conditional: 8, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 362, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 311, negative conditional: 191, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 763, positive: 556, positive conditional: 67, positive unconditional: 489, negative: 93, negative conditional: 23, negative unconditional: 70, unknown: 114, unknown conditional: 19, unknown unconditional: 95] , Statistics on independence cache: Total cache size (in pairs): 1918, Positive cache size: 1851, Positive conditional cache size: 11, Positive unconditional cache size: 1840, Negative cache size: 67, Negative conditional cache size: 8, Negative unconditional cache size: 59, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1008.7ms, 44 PlacesBefore, 43 PlacesAfterwards, 35 TransitionsBefore, 34 TransitionsAfterwards, 510 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 534 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 192, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 192, positive: 170, positive conditional: 20, positive unconditional: 150, negative: 22, negative conditional: 4, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 192, positive: 170, positive conditional: 20, positive unconditional: 150, negative: 22, negative conditional: 4, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, positive: 10, positive conditional: 1, positive unconditional: 9, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 47, negative conditional: 47, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 192, positive: 160, positive conditional: 19, positive unconditional: 141, negative: 20, negative conditional: 2, negative unconditional: 18, unknown: 12, unknown conditional: 3, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 1930, Positive cache size: 1861, Positive conditional cache size: 12, Positive unconditional cache size: 1849, Negative cache size: 69, Negative conditional cache size: 10, Negative unconditional cache size: 59, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 123.0ms, 45 PlacesBefore, 45 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 576 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 200 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 57, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 57, positive: 49, positive conditional: 2, positive unconditional: 47, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57, positive: 49, positive conditional: 2, positive unconditional: 47, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 57, positive: 42, positive conditional: 2, positive unconditional: 40, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 1940, Positive cache size: 1868, Positive conditional cache size: 12, Positive unconditional cache size: 1856, Negative cache size: 72, Negative conditional cache size: 10, Negative unconditional cache size: 62, Eliminated conditions: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 103.5ms, 47 PlacesBefore, 47 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 626 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 212 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 112, positive: 104, positive conditional: 104, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 112, positive: 104, positive conditional: 16, positive unconditional: 88, negative: 8, negative conditional: 2, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 112, positive: 104, positive conditional: 16, positive unconditional: 88, negative: 8, negative conditional: 2, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 112, positive: 97, positive conditional: 16, positive unconditional: 81, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 8, unknown conditional: 1, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 1948, Positive cache size: 1875, Positive conditional cache size: 12, Positive unconditional cache size: 1863, Negative cache size: 73, Negative conditional cache size: 11, Negative unconditional cache size: 62, Eliminated conditions: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 84.7ms, 49 PlacesBefore, 49 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 626 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 56, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 56, positive: 50, positive conditional: 2, positive unconditional: 48, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 56, positive: 50, positive conditional: 2, positive unconditional: 48, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 56, positive: 50, positive conditional: 2, positive unconditional: 48, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1948, Positive cache size: 1875, Positive conditional cache size: 12, Positive unconditional cache size: 1863, Negative cache size: 73, Negative conditional cache size: 11, Negative unconditional cache size: 62, Eliminated conditions: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 90.1ms, 51 PlacesBefore, 51 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 622 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 166 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66, positive: 60, positive conditional: 60, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 66, positive: 60, positive conditional: 2, positive unconditional: 58, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66, positive: 60, positive conditional: 2, positive unconditional: 58, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 66, positive: 60, positive conditional: 2, positive unconditional: 58, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1948, Positive cache size: 1875, Positive conditional cache size: 12, Positive unconditional cache size: 1863, Negative cache size: 73, Negative conditional cache size: 11, Negative unconditional cache size: 62, Eliminated conditions: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 64.1ms, 53 PlacesBefore, 53 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 722 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 249 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 92, positive: 84, positive conditional: 84, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 92, positive: 84, positive conditional: 20, positive unconditional: 64, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 92, positive: 84, positive conditional: 20, positive unconditional: 64, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 92, positive: 84, positive conditional: 20, positive unconditional: 64, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1948, Positive cache size: 1875, Positive conditional cache size: 12, Positive unconditional cache size: 1863, Negative cache size: 73, Negative conditional cache size: 11, Negative unconditional cache size: 62, Eliminated conditions: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 77.3ms, 58 PlacesBefore, 58 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 874 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 565 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 286, positive: 269, positive conditional: 269, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 286, positive: 269, positive conditional: 111, positive unconditional: 158, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 286, positive: 269, positive conditional: 111, positive unconditional: 158, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 12, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 286, positive: 253, positive conditional: 99, positive unconditional: 154, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 16, unknown conditional: 12, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 1964, Positive cache size: 1891, Positive conditional cache size: 24, Positive unconditional cache size: 1867, Negative cache size: 73, Negative conditional cache size: 11, Negative unconditional cache size: 62, Eliminated conditions: 38 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 129.3ms, 64 PlacesBefore, 64 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 1072 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 897 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 436, positive: 413, positive conditional: 413, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 436, positive: 413, positive conditional: 235, positive unconditional: 178, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 436, positive: 413, positive conditional: 235, positive unconditional: 178, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 4, 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: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 436, positive: 406, positive conditional: 231, positive unconditional: 175, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 7, unknown conditional: 4, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 1971, Positive cache size: 1898, Positive conditional cache size: 28, Positive unconditional cache size: 1870, Negative cache size: 73, Negative conditional cache size: 11, Negative unconditional cache size: 62, Eliminated conditions: 44 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 128.6ms, 67 PlacesBefore, 67 PlacesAfterwards, 70 TransitionsBefore, 70 TransitionsAfterwards, 1160 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1467 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 720, positive: 682, positive conditional: 682, positive unconditional: 0, negative: 38, negative conditional: 38, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 720, positive: 682, positive conditional: 351, positive unconditional: 331, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 720, positive: 682, positive conditional: 351, positive unconditional: 331, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 720, positive: 682, positive conditional: 351, positive unconditional: 331, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1971, Positive cache size: 1898, Positive conditional cache size: 28, Positive unconditional cache size: 1870, Negative cache size: 73, Negative conditional cache size: 11, Negative unconditional cache size: 62, Eliminated conditions: 74 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 354.8ms, 72 PlacesBefore, 72 PlacesAfterwards, 79 TransitionsBefore, 79 TransitionsAfterwards, 1600 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 456 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 244, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 244, positive: 235, positive conditional: 157, positive unconditional: 78, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 244, positive: 235, positive conditional: 157, positive unconditional: 78, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 244, positive: 233, positive conditional: 157, positive unconditional: 76, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1973, Positive cache size: 1900, Positive conditional cache size: 28, Positive unconditional cache size: 1872, Negative cache size: 73, Negative conditional cache size: 11, Negative unconditional cache size: 62, Eliminated conditions: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 956.5ms, 80 PlacesBefore, 80 PlacesAfterwards, 86 TransitionsBefore, 86 TransitionsAfterwards, 1884 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1221 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 599, positive: 575, positive conditional: 575, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 599, positive: 575, positive conditional: 390, positive unconditional: 185, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 599, positive: 575, positive conditional: 390, positive unconditional: 185, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 6, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 599, positive: 569, positive conditional: 390, positive unconditional: 179, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 1979, Positive cache size: 1906, Positive conditional cache size: 28, Positive unconditional cache size: 1878, Negative cache size: 73, Negative conditional cache size: 11, Negative unconditional cache size: 62, Eliminated conditions: 89 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 135.0ms, 88 PlacesBefore, 88 PlacesAfterwards, 88 TransitionsBefore, 88 TransitionsAfterwards, 1974 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 520 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 290, positive: 280, positive conditional: 280, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 290, positive: 280, positive conditional: 212, positive unconditional: 68, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 290, positive: 280, positive conditional: 212, positive unconditional: 68, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 290, positive: 278, positive conditional: 210, positive unconditional: 68, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1981, Positive cache size: 1908, Positive conditional cache size: 30, Positive unconditional cache size: 1878, Negative cache size: 73, Negative conditional cache size: 11, Negative unconditional cache size: 62, Eliminated conditions: 30 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4195.9ms, 94 PlacesBefore, 91 PlacesAfterwards, 86 TransitionsBefore, 80 TransitionsAfterwards, 1946 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 1607 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 991, positive: 961, positive conditional: 961, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 991, positive: 961, positive conditional: 753, positive unconditional: 208, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 991, positive: 961, positive conditional: 753, positive unconditional: 208, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 33, positive unconditional: 6, 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: 39, positive: 39, positive conditional: 0, positive unconditional: 39, 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: 991, positive: 922, positive conditional: 720, positive unconditional: 202, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 39, unknown conditional: 33, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 2020, Positive cache size: 1947, Positive conditional cache size: 63, Positive unconditional cache size: 1884, Negative cache size: 73, Negative conditional cache size: 11, Negative unconditional cache size: 62, Eliminated conditions: 130 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 53.2ms, 81 PlacesBefore, 78 PlacesAfterwards, 72 TransitionsBefore, 72 TransitionsAfterwards, 1160 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 105 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 105, positive: 102, positive conditional: 102, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 105, positive: 102, positive conditional: 69, positive unconditional: 33, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 105, positive: 102, positive conditional: 69, positive unconditional: 33, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 105, positive: 101, positive conditional: 68, positive unconditional: 33, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2021, Positive cache size: 1948, Positive conditional cache size: 64, Positive unconditional cache size: 1884, Negative cache size: 73, Negative conditional cache size: 11, Negative unconditional cache size: 62, Eliminated conditions: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 686.8ms, 79 PlacesBefore, 70 PlacesAfterwards, 51 TransitionsBefore, 47 TransitionsAfterwards, 630 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 131 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 131, positive: 131, positive conditional: 131, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 131, positive: 131, positive conditional: 60, positive unconditional: 71, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 131, positive: 131, positive conditional: 60, positive unconditional: 71, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 5, positive unconditional: 12, 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: 17, positive: 17, positive conditional: 0, positive unconditional: 17, 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: 131, positive: 114, positive conditional: 55, positive unconditional: 59, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 17, unknown conditional: 5, unknown unconditional: 12] , Statistics on independence cache: Total cache size (in pairs): 2038, Positive cache size: 1965, Positive conditional cache size: 69, Positive unconditional cache size: 1896, Negative cache size: 73, Negative conditional cache size: 11, Negative unconditional cache size: 62, Eliminated conditions: 53 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p3_EAX = 0; [L714] 0 int __unbuffered_p3_EBX = 0; [L716] 0 int a = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L722] 0 int y = 0; [L723] 0 _Bool y$flush_delayed; [L724] 0 int y$mem_tmp; [L725] 0 _Bool y$r_buff0_thd0; [L726] 0 _Bool y$r_buff0_thd1; [L727] 0 _Bool y$r_buff0_thd2; [L728] 0 _Bool y$r_buff0_thd3; [L729] 0 _Bool y$r_buff0_thd4; [L730] 0 _Bool y$r_buff1_thd0; [L731] 0 _Bool y$r_buff1_thd1; [L732] 0 _Bool y$r_buff1_thd2; [L733] 0 _Bool y$r_buff1_thd3; [L734] 0 _Bool y$r_buff1_thd4; [L735] 0 _Bool y$read_delayed; [L736] 0 int *y$read_delayed_var; [L737] 0 int y$w_buff0; [L738] 0 _Bool y$w_buff0_used; [L739] 0 int y$w_buff1; [L740] 0 _Bool y$w_buff1_used; [L742] 0 int z = 0; [L743] 0 _Bool weak$$choice0; [L744] 0 _Bool weak$$choice2; [L844] 0 pthread_t t821; [L845] FCALL, FORK 0 pthread_create(&t821, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L846] 0 pthread_t t822; [L847] FCALL, FORK 0 pthread_create(&t822, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L848] 0 pthread_t t823; [L849] FCALL, FORK 0 pthread_create(&t823, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L783] 3 y$w_buff1 = y$w_buff0 [L784] 3 y$w_buff0 = 2 [L785] 3 y$w_buff1_used = y$w_buff0_used [L786] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L788] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L789] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L790] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L791] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L792] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L793] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L796] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L850] 0 pthread_t t824; [L851] FCALL, FORK 0 pthread_create(&t824, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=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=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L813] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=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=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L816] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=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=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L819] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=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=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L748] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, 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=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L751] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, 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=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L763] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, 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=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L766] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, 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=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L769] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L769] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L770] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L770] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L771] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L772] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L772] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L773] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L799] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L799] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L800] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L800] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L801] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L801] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L802] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L802] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L803] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L803] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L822] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L822] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L822] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L822] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L823] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L823] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L824] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L824] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L825] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L825] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L826] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L826] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L758] 1 return 0; [L776] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L778] 2 return 0; [L806] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L808] 3 return 0; [L829] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L831] 4 return 0; [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L858] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L858] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L859] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L860] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L860] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L861] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L864] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L865] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L866] 0 y$flush_delayed = weak$$choice2 [L867] 0 y$mem_tmp = y [L868] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L868] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L869] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L869] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L870] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L870] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L871] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L871] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L872] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L873] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L873] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L874] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L876] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L876] 0 y = y$flush_delayed ? y$mem_tmp : y [L877] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 114 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 24447.8ms, OverallIterations: 17, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 3203.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8132.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 68 SDtfs, 67 SDslu, 37 SDs, 0 SdLazy, 467 SolverSat, 157 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 420.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 387.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=852occurred in iteration=13, InterpolantAutomatonStates: 83, 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: 45.0ms SsaConstructionTime, 408.6ms SatisfiabilityAnalysisTime, 819.0ms InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 271 ConstructedInterpolants, 0 QuantifiedInterpolants, 1526 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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...