/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix040_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 14:31:56,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 14:31:56,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 14:31:56,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 14:31:56,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 14:31:56,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 14:31:56,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 14:31:56,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 14:31:56,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 14:31:56,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 14:31:56,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 14:31:56,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 14:31:56,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 14:31:56,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 14:31:56,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 14:31:56,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 14:31:56,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 14:31:56,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 14:31:56,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 14:31:56,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 14:31:56,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 14:31:56,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 14:31:56,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 14:31:56,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 14:31:56,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 14:31:56,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 14:31:56,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 14:31:56,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 14:31:56,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 14:31:56,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 14:31:56,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 14:31:56,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 14:31:56,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 14:31:56,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 14:31:56,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 14:31:56,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 14:31:56,638 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-RepeatedSemanticLbe.epf [2021-03-25 14:31:56,670 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 14:31:56,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 14:31:56,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 14:31:56,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 14:31:56,674 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 14:31:56,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 14:31:56,674 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 14:31:56,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 14:31:56,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 14:31:56,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 14:31:56,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 14:31:56,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 14:31:56,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 14:31:56,676 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 14:31:56,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 14:31:56,676 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 14:31:56,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 14:31:56,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 14:31:56,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 14:31:56,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 14:31:56,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 14:31:56,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 14:31:56,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 14:31:56,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 14:31:56,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 14:31:56,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 14:31:56,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 14:31:56,678 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 14:31:56,678 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 14:31:56,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 14:31:57,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 14:31:57,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 14:31:57,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 14:31:57,026 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 14:31:57,027 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 14:31:57,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix040_tso.opt.i [2021-03-25 14:31:57,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1499faa1b/304255a58c9f4a9eb9e5e8be6496e816/FLAG71bbf279f [2021-03-25 14:31:57,634 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 14:31:57,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix040_tso.opt.i [2021-03-25 14:31:57,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1499faa1b/304255a58c9f4a9eb9e5e8be6496e816/FLAG71bbf279f [2021-03-25 14:31:58,115 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1499faa1b/304255a58c9f4a9eb9e5e8be6496e816 [2021-03-25 14:31:58,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 14:31:58,118 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 14:31:58,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 14:31:58,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 14:31:58,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 14:31:58,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:31:58" (1/1) ... [2021-03-25 14:31:58,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5607b28b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:31:58, skipping insertion in model container [2021-03-25 14:31:58,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:31:58" (1/1) ... [2021-03-25 14:31:58,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 14:31:58,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 14:31:58,360 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/mix040_tso.opt.i[948,961] [2021-03-25 14:31:58,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:31:58,566 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 14:31:58,577 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/mix040_tso.opt.i[948,961] [2021-03-25 14:31:58,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:31:58,714 INFO L208 MainTranslator]: Completed translation [2021-03-25 14:31:58,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:31:58 WrapperNode [2021-03-25 14:31:58,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 14:31:58,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 14:31:58,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 14:31:58,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 14:31:58,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:31:58" (1/1) ... [2021-03-25 14:31:58,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:31:58" (1/1) ... [2021-03-25 14:31:58,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 14:31:58,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 14:31:58,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 14:31:58,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 14:31:58,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:31:58" (1/1) ... [2021-03-25 14:31:58,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:31:58" (1/1) ... [2021-03-25 14:31:58,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:31:58" (1/1) ... [2021-03-25 14:31:58,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:31:58" (1/1) ... [2021-03-25 14:31:58,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:31:58" (1/1) ... [2021-03-25 14:31:58,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:31:58" (1/1) ... [2021-03-25 14:31:58,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:31:58" (1/1) ... [2021-03-25 14:31:58,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 14:31:58,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 14:31:58,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 14:31:58,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 14:31:58,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:31:58" (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 [2021-03-25 14:31:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 14:31:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 14:31:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 14:31:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 14:31:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 14:31:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 14:31:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 14:31:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 14:31:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 14:31:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 14:31:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-25 14:31:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-25 14:31:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 14:31:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 14:31:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 14:31:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 14:31:58,914 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 14:32:00,319 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 14:32:00,320 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 14:32:00,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:32:00 BoogieIcfgContainer [2021-03-25 14:32:00,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 14:32:00,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 14:32:00,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 14:32:00,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 14:32:00,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 02:31:58" (1/3) ... [2021-03-25 14:32:00,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436189aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:32:00, skipping insertion in model container [2021-03-25 14:32:00,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:31:58" (2/3) ... [2021-03-25 14:32:00,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436189aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:32:00, skipping insertion in model container [2021-03-25 14:32:00,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:32:00" (3/3) ... [2021-03-25 14:32:00,328 INFO L111 eAbstractionObserver]: Analyzing ICFG mix040_tso.opt.i [2021-03-25 14:32:00,332 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 14:32:00,336 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 14:32:00,337 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 14:32:00,365 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,365 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,366 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,366 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,366 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,366 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,366 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,366 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,366 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,367 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,367 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,367 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,367 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,367 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,367 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,367 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,368 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,368 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,369 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,369 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,369 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,369 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,369 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,369 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,369 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,369 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,375 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,375 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,375 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,375 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,375 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,375 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,381 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,381 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,382 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,382 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,382 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,382 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,382 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,382 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,382 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,382 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,382 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,383 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,383 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,383 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,383 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,383 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,383 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,384 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,384 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,384 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,384 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,384 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,384 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,384 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,385 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,385 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,385 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,385 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,385 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,385 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,386 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,386 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,386 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,386 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,388 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,388 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,388 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,389 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,390 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,391 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,391 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,391 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,391 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,392 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,392 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,392 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,392 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,392 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,392 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,392 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,392 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,393 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,393 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,393 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,393 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,393 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,393 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,393 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,396 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,396 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,397 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:32:00,398 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 14:32:00,414 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 14:32:00,431 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 14:32:00,431 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 14:32:00,431 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 14:32:00,431 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 14:32:00,431 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 14:32:00,431 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 14:32:00,431 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 14:32:00,431 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 14:32:00,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 252 flow [2021-03-25 14:32:00,477 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-03-25 14:32:00,477 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:32:00,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-03-25 14:32:00,481 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 116 transitions, 252 flow [2021-03-25 14:32:00,485 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 112 transitions, 236 flow [2021-03-25 14:32:00,486 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:32:00,496 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 236 flow [2021-03-25 14:32:00,498 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 236 flow [2021-03-25 14:32:00,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 236 flow [2021-03-25 14:32:00,517 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-03-25 14:32:00,518 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:32:00,518 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-03-25 14:32:00,521 INFO L142 LiptonReduction]: Number of co-enabled transitions 2488 [2021-03-25 14:32:01,869 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 14:32:02,307 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-25 14:32:02,455 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 14:32:03,696 INFO L154 LiptonReduction]: Checked pairs total: 3740 [2021-03-25 14:32:03,696 INFO L156 LiptonReduction]: Total number of compositions: 74 [2021-03-25 14:32:03,700 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3215 [2021-03-25 14:32:03,720 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-03-25 14:32:03,721 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:32:03,721 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:32:03,725 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:32:03,726 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:32:03,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:32:03,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1479378340, now seen corresponding path program 1 times [2021-03-25 14:32:03,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:32:03,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432828055] [2021-03-25 14:32:03,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:32:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:32:04,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:04,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:32:04,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:04,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:04,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:32:04,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432828055] [2021-03-25 14:32:04,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:32:04,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:32:04,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843295764] [2021-03-25 14:32:04,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:32:04,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:32:04,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:32:04,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:32:04,036 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 190 [2021-03-25 14:32:04,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 47 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:04,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:32:04,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 190 [2021-03-25 14:32:04,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:32:04,090 INFO L129 PetriNetUnfolder]: 9/88 cut-off events. [2021-03-25 14:32:04,090 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:32:04,092 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 88 events. 9/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 240 event pairs, 3 based on Foata normal form. 5/84 useless extension candidates. Maximal degree in co-relation 99. Up to 17 conditions per place. [2021-03-25 14:32:04,093 INFO L132 encePairwiseOnDemand]: 186/190 looper letters, 5 selfloop transitions, 2 changer transitions 0/46 dead transitions. [2021-03-25 14:32:04,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 46 transitions, 118 flow [2021-03-25 14:32:04,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:32:04,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:32:04,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 526 transitions. [2021-03-25 14:32:04,110 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9228070175438596 [2021-03-25 14:32:04,111 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 526 transitions. [2021-03-25 14:32:04,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 526 transitions. [2021-03-25 14:32:04,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:32:04,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 526 transitions. [2021-03-25 14:32:04,121 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) [2021-03-25 14:32:04,130 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) [2021-03-25 14:32:04,130 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) [2021-03-25 14:32:04,132 INFO L185 Difference]: Start difference. First operand has 59 places, 47 transitions, 106 flow. Second operand 3 states and 526 transitions. [2021-03-25 14:32:04,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 46 transitions, 118 flow [2021-03-25 14:32:04,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 46 transitions, 114 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 14:32:04,136 INFO L241 Difference]: Finished difference. Result has 55 places, 44 transitions, 100 flow [2021-03-25 14:32:04,138 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=55, PETRI_TRANSITIONS=44} [2021-03-25 14:32:04,138 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -4 predicate places. [2021-03-25 14:32:04,138 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:32:04,139 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 44 transitions, 100 flow [2021-03-25 14:32:04,140 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 44 transitions, 100 flow [2021-03-25 14:32:04,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 44 transitions, 100 flow [2021-03-25 14:32:04,148 INFO L129 PetriNetUnfolder]: 0/44 cut-off events. [2021-03-25 14:32:04,148 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:32:04,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 44 events. 0/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 14:32:04,149 INFO L142 LiptonReduction]: Number of co-enabled transitions 468 [2021-03-25 14:32:05,465 INFO L154 LiptonReduction]: Checked pairs total: 1422 [2021-03-25 14:32:05,466 INFO L156 LiptonReduction]: Total number of compositions: 14 [2021-03-25 14:32:05,466 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1328 [2021-03-25 14:32:05,467 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 72 flow [2021-03-25 14:32:05,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:05,468 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:32:05,468 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] [2021-03-25 14:32:05,468 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 14:32:05,469 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:32:05,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:32:05,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1498476454, now seen corresponding path program 1 times [2021-03-25 14:32:05,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:32:05,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063811006] [2021-03-25 14:32:05,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:32:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:32:05,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:05,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:32:05,602 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 14:32:05,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:32:05,619 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-25 14:32:05,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 14:32:05,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:32:05,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063811006] [2021-03-25 14:32:05,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:32:05,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:32:05,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569944176] [2021-03-25 14:32:05,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:32:05,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:32:05,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:32:05,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:32:05,633 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 204 [2021-03-25 14:32:05,634 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 164.25) internal successors, (657), 4 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:05,634 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:32:05,634 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 204 [2021-03-25 14:32:05,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:32:05,833 INFO L129 PetriNetUnfolder]: 517/1009 cut-off events. [2021-03-25 14:32:05,834 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:32:05,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1816 conditions, 1009 events. 517/1009 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 6104 event pairs, 102 based on Foata normal form. 0/923 useless extension candidates. Maximal degree in co-relation 1803. Up to 325 conditions per place. [2021-03-25 14:32:05,843 INFO L132 encePairwiseOnDemand]: 194/204 looper letters, 9 selfloop transitions, 8 changer transitions 16/52 dead transitions. [2021-03-25 14:32:05,843 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 52 transitions, 182 flow [2021-03-25 14:32:05,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:32:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:32:05,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 849 transitions. [2021-03-25 14:32:05,846 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8323529411764706 [2021-03-25 14:32:05,847 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 849 transitions. [2021-03-25 14:32:05,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 849 transitions. [2021-03-25 14:32:05,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:32:05,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 849 transitions. [2021-03-25 14:32:05,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 169.8) internal successors, (849), 5 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:05,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 204.0) internal successors, (1224), 6 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:05,852 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 204.0) internal successors, (1224), 6 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:05,852 INFO L185 Difference]: Start difference. First operand has 41 places, 30 transitions, 72 flow. Second operand 5 states and 849 transitions. [2021-03-25 14:32:05,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 52 transitions, 182 flow [2021-03-25 14:32:05,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 52 transitions, 178 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:32:05,854 INFO L241 Difference]: Finished difference. Result has 47 places, 36 transitions, 142 flow [2021-03-25 14:32:05,854 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=142, PETRI_PLACES=47, PETRI_TRANSITIONS=36} [2021-03-25 14:32:05,855 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -12 predicate places. [2021-03-25 14:32:05,855 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:32:05,855 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 36 transitions, 142 flow [2021-03-25 14:32:05,856 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 36 transitions, 142 flow [2021-03-25 14:32:05,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 36 transitions, 142 flow [2021-03-25 14:32:05,969 INFO L129 PetriNetUnfolder]: 276/630 cut-off events. [2021-03-25 14:32:05,969 INFO L130 PetriNetUnfolder]: For 184/206 co-relation queries the response was YES. [2021-03-25 14:32:05,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1489 conditions, 630 events. 276/630 cut-off events. For 184/206 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3862 event pairs, 110 based on Foata normal form. 0/609 useless extension candidates. Maximal degree in co-relation 1475. Up to 325 conditions per place. [2021-03-25 14:32:05,977 INFO L142 LiptonReduction]: Number of co-enabled transitions 420 [2021-03-25 14:32:07,040 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-25 14:32:07,228 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-25 14:32:07,595 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-25 14:32:07,759 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-25 14:32:07,802 INFO L154 LiptonReduction]: Checked pairs total: 456 [2021-03-25 14:32:07,802 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 14:32:07,802 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1947 [2021-03-25 14:32:07,803 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 33 transitions, 136 flow [2021-03-25 14:32:07,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 164.25) internal successors, (657), 4 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:07,804 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:32:07,804 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:32:07,804 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 14:32:07,804 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:32:07,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:32:07,805 INFO L82 PathProgramCache]: Analyzing trace with hash -7272958, now seen corresponding path program 1 times [2021-03-25 14:32:07,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:32:07,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122094538] [2021-03-25 14:32:07,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:32:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:32:07,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:07,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:07,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:32:07,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122094538] [2021-03-25 14:32:07,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:32:07,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 14:32:07,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945604068] [2021-03-25 14:32:07,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:32:07,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:32:07,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:32:07,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:32:07,849 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 207 [2021-03-25 14:32:07,850 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 33 transitions, 136 flow. Second operand has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:07,850 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:32:07,850 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 207 [2021-03-25 14:32:07,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:32:07,906 INFO L129 PetriNetUnfolder]: 222/489 cut-off events. [2021-03-25 14:32:07,906 INFO L130 PetriNetUnfolder]: For 341/408 co-relation queries the response was YES. [2021-03-25 14:32:07,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1269 conditions, 489 events. 222/489 cut-off events. For 341/408 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2677 event pairs, 73 based on Foata normal form. 4/476 useless extension candidates. Maximal degree in co-relation 1256. Up to 265 conditions per place. [2021-03-25 14:32:07,911 INFO L132 encePairwiseOnDemand]: 204/207 looper letters, 1 selfloop transitions, 3 changer transitions 0/33 dead transitions. [2021-03-25 14:32:07,911 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 33 transitions, 144 flow [2021-03-25 14:32:07,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:32:07,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:32:07,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 556 transitions. [2021-03-25 14:32:07,913 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.895330112721417 [2021-03-25 14:32:07,913 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 556 transitions. [2021-03-25 14:32:07,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 556 transitions. [2021-03-25 14:32:07,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:32:07,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 556 transitions. [2021-03-25 14:32:07,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:07,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:07,916 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:07,916 INFO L185 Difference]: Start difference. First operand has 41 places, 33 transitions, 136 flow. Second operand 3 states and 556 transitions. [2021-03-25 14:32:07,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 33 transitions, 144 flow [2021-03-25 14:32:07,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 33 transitions, 114 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-25 14:32:07,922 INFO L241 Difference]: Finished difference. Result has 40 places, 33 transitions, 117 flow [2021-03-25 14:32:07,922 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=117, PETRI_PLACES=40, PETRI_TRANSITIONS=33} [2021-03-25 14:32:07,923 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -19 predicate places. [2021-03-25 14:32:07,923 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:32:07,923 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 33 transitions, 117 flow [2021-03-25 14:32:07,924 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 33 transitions, 117 flow [2021-03-25 14:32:07,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 33 transitions, 117 flow [2021-03-25 14:32:07,969 INFO L129 PetriNetUnfolder]: 222/485 cut-off events. [2021-03-25 14:32:07,969 INFO L130 PetriNetUnfolder]: For 55/55 co-relation queries the response was YES. [2021-03-25 14:32:07,970 INFO L84 FinitePrefix]: Finished finitePrefix Result has 957 conditions, 485 events. 222/485 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2689 event pairs, 73 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 947. Up to 265 conditions per place. [2021-03-25 14:32:07,975 INFO L142 LiptonReduction]: Number of co-enabled transitions 418 [2021-03-25 14:32:08,091 INFO L154 LiptonReduction]: Checked pairs total: 187 [2021-03-25 14:32:08,091 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:32:08,091 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 168 [2021-03-25 14:32:08,092 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 33 transitions, 117 flow [2021-03-25 14:32:08,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:08,093 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:32:08,093 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:32:08,093 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 14:32:08,093 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:32:08,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:32:08,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1807842784, now seen corresponding path program 1 times [2021-03-25 14:32:08,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:32:08,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200033316] [2021-03-25 14:32:08,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:32:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:32:08,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:08,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:08,135 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 14:32:08,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:32:08,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:32:08,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200033316] [2021-03-25 14:32:08,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:32:08,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:32:08,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894690381] [2021-03-25 14:32:08,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:32:08,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:32:08,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:32:08,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:32:08,147 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 207 [2021-03-25 14:32:08,148 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 33 transitions, 117 flow. Second operand has 4 states, 4 states have (on average 168.75) internal successors, (675), 4 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:08,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:32:08,148 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 207 [2021-03-25 14:32:08,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:32:08,236 INFO L129 PetriNetUnfolder]: 189/436 cut-off events. [2021-03-25 14:32:08,236 INFO L130 PetriNetUnfolder]: For 102/589 co-relation queries the response was YES. [2021-03-25 14:32:08,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1176 conditions, 436 events. 189/436 cut-off events. For 102/589 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2351 event pairs, 38 based on Foata normal form. 13/435 useless extension candidates. Maximal degree in co-relation 1164. Up to 230 conditions per place. [2021-03-25 14:32:08,240 INFO L132 encePairwiseOnDemand]: 198/207 looper letters, 16 selfloop transitions, 12 changer transitions 0/45 dead transitions. [2021-03-25 14:32:08,240 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 45 transitions, 227 flow [2021-03-25 14:32:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:32:08,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:32:08,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 695 transitions. [2021-03-25 14:32:08,242 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8393719806763285 [2021-03-25 14:32:08,242 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 695 transitions. [2021-03-25 14:32:08,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 695 transitions. [2021-03-25 14:32:08,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:32:08,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 695 transitions. [2021-03-25 14:32:08,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 173.75) internal successors, (695), 4 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:08,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:08,246 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:08,246 INFO L185 Difference]: Start difference. First operand has 40 places, 33 transitions, 117 flow. Second operand 4 states and 695 transitions. [2021-03-25 14:32:08,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 45 transitions, 227 flow [2021-03-25 14:32:08,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 45 transitions, 217 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:32:08,249 INFO L241 Difference]: Finished difference. Result has 44 places, 41 transitions, 206 flow [2021-03-25 14:32:08,249 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=206, PETRI_PLACES=44, PETRI_TRANSITIONS=41} [2021-03-25 14:32:08,249 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -15 predicate places. [2021-03-25 14:32:08,249 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:32:08,249 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 41 transitions, 206 flow [2021-03-25 14:32:08,250 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 41 transitions, 206 flow [2021-03-25 14:32:08,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 41 transitions, 206 flow [2021-03-25 14:32:08,288 INFO L129 PetriNetUnfolder]: 189/430 cut-off events. [2021-03-25 14:32:08,288 INFO L130 PetriNetUnfolder]: For 350/370 co-relation queries the response was YES. [2021-03-25 14:32:08,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1177 conditions, 430 events. 189/430 cut-off events. For 350/370 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2367 event pairs, 65 based on Foata normal form. 0/419 useless extension candidates. Maximal degree in co-relation 1164. Up to 230 conditions per place. [2021-03-25 14:32:08,294 INFO L142 LiptonReduction]: Number of co-enabled transitions 542 [2021-03-25 14:32:08,311 INFO L154 LiptonReduction]: Checked pairs total: 332 [2021-03-25 14:32:08,311 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:32:08,311 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-03-25 14:32:08,313 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 41 transitions, 206 flow [2021-03-25 14:32:08,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 168.75) internal successors, (675), 4 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:08,314 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:32:08,314 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:32:08,314 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 14:32:08,314 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:32:08,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:32:08,314 INFO L82 PathProgramCache]: Analyzing trace with hash -455629117, now seen corresponding path program 1 times [2021-03-25 14:32:08,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:32:08,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644873905] [2021-03-25 14:32:08,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:32:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:32:08,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:08,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:08,396 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 14:32:08,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:32:08,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:32:08,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644873905] [2021-03-25 14:32:08,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:32:08,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:32:08,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907041300] [2021-03-25 14:32:08,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:32:08,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:32:08,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:32:08,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:32:08,415 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 207 [2021-03-25 14:32:08,416 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 41 transitions, 206 flow. Second operand has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:08,416 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:32:08,416 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 207 [2021-03-25 14:32:08,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:32:08,484 INFO L129 PetriNetUnfolder]: 173/408 cut-off events. [2021-03-25 14:32:08,484 INFO L130 PetriNetUnfolder]: For 411/1143 co-relation queries the response was YES. [2021-03-25 14:32:08,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1398 conditions, 408 events. 173/408 cut-off events. For 411/1143 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2225 event pairs, 42 based on Foata normal form. 19/416 useless extension candidates. Maximal degree in co-relation 1383. Up to 210 conditions per place. [2021-03-25 14:32:08,489 INFO L132 encePairwiseOnDemand]: 198/207 looper letters, 16 selfloop transitions, 19 changer transitions 0/52 dead transitions. [2021-03-25 14:32:08,489 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 52 transitions, 340 flow [2021-03-25 14:32:08,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:32:08,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:32:08,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 695 transitions. [2021-03-25 14:32:08,491 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8393719806763285 [2021-03-25 14:32:08,491 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 695 transitions. [2021-03-25 14:32:08,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 695 transitions. [2021-03-25 14:32:08,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:32:08,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 695 transitions. [2021-03-25 14:32:08,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 173.75) internal successors, (695), 4 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:08,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:08,495 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:08,495 INFO L185 Difference]: Start difference. First operand has 44 places, 41 transitions, 206 flow. Second operand 4 states and 695 transitions. [2021-03-25 14:32:08,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 52 transitions, 340 flow [2021-03-25 14:32:08,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 52 transitions, 340 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 14:32:08,500 INFO L241 Difference]: Finished difference. Result has 49 places, 48 transitions, 319 flow [2021-03-25 14:32:08,500 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=319, PETRI_PLACES=49, PETRI_TRANSITIONS=48} [2021-03-25 14:32:08,501 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -10 predicate places. [2021-03-25 14:32:08,501 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:32:08,501 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 48 transitions, 319 flow [2021-03-25 14:32:08,501 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 48 transitions, 319 flow [2021-03-25 14:32:08,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 48 transitions, 319 flow [2021-03-25 14:32:08,575 INFO L129 PetriNetUnfolder]: 173/397 cut-off events. [2021-03-25 14:32:08,576 INFO L130 PetriNetUnfolder]: For 738/809 co-relation queries the response was YES. [2021-03-25 14:32:08,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1376 conditions, 397 events. 173/397 cut-off events. For 738/809 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2169 event pairs, 38 based on Foata normal form. 1/391 useless extension candidates. Maximal degree in co-relation 1359. Up to 210 conditions per place. [2021-03-25 14:32:08,581 INFO L142 LiptonReduction]: Number of co-enabled transitions 638 [2021-03-25 14:32:08,599 INFO L154 LiptonReduction]: Checked pairs total: 532 [2021-03-25 14:32:08,599 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:32:08,599 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 98 [2021-03-25 14:32:08,601 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 48 transitions, 319 flow [2021-03-25 14:32:08,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:08,601 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:32:08,601 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:32:08,601 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 14:32:08,602 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:32:08,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:32:08,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1209107039, now seen corresponding path program 1 times [2021-03-25 14:32:08,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:32:08,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394109575] [2021-03-25 14:32:08,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:32:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:32:08,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:08,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:32:08,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:08,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:08,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:32:08,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394109575] [2021-03-25 14:32:08,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:32:08,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:32:08,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269847276] [2021-03-25 14:32:08,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:32:08,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:32:08,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:32:08,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:32:08,673 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 207 [2021-03-25 14:32:08,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 48 transitions, 319 flow. Second operand has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:08,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:32:08,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 207 [2021-03-25 14:32:08,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:32:08,732 INFO L129 PetriNetUnfolder]: 171/454 cut-off events. [2021-03-25 14:32:08,732 INFO L130 PetriNetUnfolder]: For 1154/1517 co-relation queries the response was YES. [2021-03-25 14:32:08,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1577 conditions, 454 events. 171/454 cut-off events. For 1154/1517 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2730 event pairs, 46 based on Foata normal form. 20/462 useless extension candidates. Maximal degree in co-relation 1558. Up to 222 conditions per place. [2021-03-25 14:32:08,737 INFO L132 encePairwiseOnDemand]: 204/207 looper letters, 5 selfloop transitions, 6 changer transitions 0/48 dead transitions. [2021-03-25 14:32:08,737 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 48 transitions, 341 flow [2021-03-25 14:32:08,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:32:08,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:32:08,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 561 transitions. [2021-03-25 14:32:08,739 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9033816425120773 [2021-03-25 14:32:08,739 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 561 transitions. [2021-03-25 14:32:08,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 561 transitions. [2021-03-25 14:32:08,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:32:08,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 561 transitions. [2021-03-25 14:32:08,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:08,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:08,742 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:08,743 INFO L185 Difference]: Start difference. First operand has 49 places, 48 transitions, 319 flow. Second operand 3 states and 561 transitions. [2021-03-25 14:32:08,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 48 transitions, 341 flow [2021-03-25 14:32:08,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 48 transitions, 341 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 14:32:08,747 INFO L241 Difference]: Finished difference. Result has 52 places, 48 transitions, 339 flow [2021-03-25 14:32:08,748 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=52, PETRI_TRANSITIONS=48} [2021-03-25 14:32:08,748 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -7 predicate places. [2021-03-25 14:32:08,748 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:32:08,748 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 48 transitions, 339 flow [2021-03-25 14:32:08,748 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 48 transitions, 339 flow [2021-03-25 14:32:08,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 48 transitions, 339 flow [2021-03-25 14:32:08,794 INFO L129 PetriNetUnfolder]: 171/452 cut-off events. [2021-03-25 14:32:08,794 INFO L130 PetriNetUnfolder]: For 1061/1124 co-relation queries the response was YES. [2021-03-25 14:32:08,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1568 conditions, 452 events. 171/452 cut-off events. For 1061/1124 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2827 event pairs, 44 based on Foata normal form. 0/445 useless extension candidates. Maximal degree in co-relation 1549. Up to 222 conditions per place. [2021-03-25 14:32:08,801 INFO L142 LiptonReduction]: Number of co-enabled transitions 638 [2021-03-25 14:32:08,835 INFO L154 LiptonReduction]: Checked pairs total: 606 [2021-03-25 14:32:08,835 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:32:08,836 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88 [2021-03-25 14:32:08,837 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 48 transitions, 339 flow [2021-03-25 14:32:08,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:08,837 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:32:08,837 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:32:08,837 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 14:32:08,838 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:32:08,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:32:08,838 INFO L82 PathProgramCache]: Analyzing trace with hash 2136333384, now seen corresponding path program 1 times [2021-03-25 14:32:08,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:32:08,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171481358] [2021-03-25 14:32:08,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:32:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:32:08,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:08,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:08,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:08,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:08,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:08,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:32:08,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:32:08,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171481358] [2021-03-25 14:32:08,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:32:08,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:32:08,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47028474] [2021-03-25 14:32:08,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:32:08,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:32:08,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:32:08,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:32:08,887 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 207 [2021-03-25 14:32:08,887 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 48 transitions, 339 flow. Second operand has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:08,887 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:32:08,888 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 207 [2021-03-25 14:32:08,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:32:09,184 INFO L129 PetriNetUnfolder]: 1527/2853 cut-off events. [2021-03-25 14:32:09,185 INFO L130 PetriNetUnfolder]: For 2049/2266 co-relation queries the response was YES. [2021-03-25 14:32:09,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6761 conditions, 2853 events. 1527/2853 cut-off events. For 2049/2266 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 22716 event pairs, 680 based on Foata normal form. 216/2496 useless extension candidates. Maximal degree in co-relation 6740. Up to 2015 conditions per place. [2021-03-25 14:32:09,214 INFO L132 encePairwiseOnDemand]: 200/207 looper letters, 12 selfloop transitions, 10 changer transitions 0/62 dead transitions. [2021-03-25 14:32:09,215 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 62 transitions, 411 flow [2021-03-25 14:32:09,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:32:09,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:32:09,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 879 transitions. [2021-03-25 14:32:09,217 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8492753623188406 [2021-03-25 14:32:09,217 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 879 transitions. [2021-03-25 14:32:09,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 879 transitions. [2021-03-25 14:32:09,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:32:09,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 879 transitions. [2021-03-25 14:32:09,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 175.8) internal successors, (879), 5 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:09,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:09,221 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:09,221 INFO L185 Difference]: Start difference. First operand has 52 places, 48 transitions, 339 flow. Second operand 5 states and 879 transitions. [2021-03-25 14:32:09,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 62 transitions, 411 flow [2021-03-25 14:32:09,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 62 transitions, 403 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-25 14:32:09,229 INFO L241 Difference]: Finished difference. Result has 58 places, 57 transitions, 406 flow [2021-03-25 14:32:09,229 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=331, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=406, PETRI_PLACES=58, PETRI_TRANSITIONS=57} [2021-03-25 14:32:09,229 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -1 predicate places. [2021-03-25 14:32:09,230 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:32:09,230 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 57 transitions, 406 flow [2021-03-25 14:32:09,230 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 57 transitions, 406 flow [2021-03-25 14:32:09,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 57 transitions, 406 flow [2021-03-25 14:32:09,435 INFO L129 PetriNetUnfolder]: 1110/2152 cut-off events. [2021-03-25 14:32:09,435 INFO L130 PetriNetUnfolder]: For 2624/3673 co-relation queries the response was YES. [2021-03-25 14:32:09,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6822 conditions, 2152 events. 1110/2152 cut-off events. For 2624/3673 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 17003 event pairs, 470 based on Foata normal form. 21/1922 useless extension candidates. Maximal degree in co-relation 6799. Up to 1476 conditions per place. [2021-03-25 14:32:09,470 INFO L142 LiptonReduction]: Number of co-enabled transitions 954 [2021-03-25 14:32:09,630 INFO L154 LiptonReduction]: Checked pairs total: 665 [2021-03-25 14:32:09,631 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:32:09,631 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 401 [2021-03-25 14:32:09,635 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 56 transitions, 400 flow [2021-03-25 14:32:09,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:09,635 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:32:09,636 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:32:09,636 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 14:32:09,636 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:32:09,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:32:09,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1583159356, now seen corresponding path program 1 times [2021-03-25 14:32:09,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:32:09,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486043738] [2021-03-25 14:32:09,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:32:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:32:09,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:09,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:32:09,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:09,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:09,682 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 14:32:09,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:32:09,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:32:09,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486043738] [2021-03-25 14:32:09,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:32:09,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:32:09,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624930477] [2021-03-25 14:32:09,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:32:09,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:32:09,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:32:09,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:32:09,695 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 207 [2021-03-25 14:32:09,695 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 56 transitions, 400 flow. Second operand has 4 states, 4 states have (on average 169.25) internal successors, (677), 4 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:09,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:32:09,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 207 [2021-03-25 14:32:09,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:32:09,968 INFO L129 PetriNetUnfolder]: 1383/2606 cut-off events. [2021-03-25 14:32:09,968 INFO L130 PetriNetUnfolder]: For 4389/6323 co-relation queries the response was YES. [2021-03-25 14:32:09,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8558 conditions, 2606 events. 1383/2606 cut-off events. For 4389/6323 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 19946 event pairs, 680 based on Foata normal form. 117/2423 useless extension candidates. Maximal degree in co-relation 8533. Up to 1828 conditions per place. [2021-03-25 14:32:09,999 INFO L132 encePairwiseOnDemand]: 198/207 looper letters, 23 selfloop transitions, 19 changer transitions 0/63 dead transitions. [2021-03-25 14:32:09,999 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 63 transitions, 560 flow [2021-03-25 14:32:10,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:32:10,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:32:10,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 694 transitions. [2021-03-25 14:32:10,002 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8381642512077294 [2021-03-25 14:32:10,002 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 694 transitions. [2021-03-25 14:32:10,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 694 transitions. [2021-03-25 14:32:10,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:32:10,002 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 694 transitions. [2021-03-25 14:32:10,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 173.5) internal successors, (694), 4 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:10,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:10,005 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:10,005 INFO L185 Difference]: Start difference. First operand has 58 places, 56 transitions, 400 flow. Second operand 4 states and 694 transitions. [2021-03-25 14:32:10,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 63 transitions, 560 flow [2021-03-25 14:32:10,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 63 transitions, 553 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 14:32:10,037 INFO L241 Difference]: Finished difference. Result has 60 places, 58 transitions, 532 flow [2021-03-25 14:32:10,037 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=369, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=532, PETRI_PLACES=60, PETRI_TRANSITIONS=58} [2021-03-25 14:32:10,037 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 1 predicate places. [2021-03-25 14:32:10,037 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:32:10,038 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 58 transitions, 532 flow [2021-03-25 14:32:10,038 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 58 transitions, 532 flow [2021-03-25 14:32:10,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 58 transitions, 532 flow [2021-03-25 14:32:10,268 INFO L129 PetriNetUnfolder]: 1337/2484 cut-off events. [2021-03-25 14:32:10,268 INFO L130 PetriNetUnfolder]: For 3789/4306 co-relation queries the response was YES. [2021-03-25 14:32:10,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7852 conditions, 2484 events. 1337/2484 cut-off events. For 3789/4306 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 18905 event pairs, 638 based on Foata normal form. 10/2272 useless extension candidates. Maximal degree in co-relation 7826. Up to 1763 conditions per place. [2021-03-25 14:32:10,308 INFO L142 LiptonReduction]: Number of co-enabled transitions 882 [2021-03-25 14:32:10,490 INFO L154 LiptonReduction]: Checked pairs total: 333 [2021-03-25 14:32:10,491 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:32:10,491 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 454 [2021-03-25 14:32:10,491 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 58 transitions, 532 flow [2021-03-25 14:32:10,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 169.25) internal successors, (677), 4 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:10,492 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:32:10,492 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:32:10,492 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 14:32:10,492 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:32:10,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:32:10,492 INFO L82 PathProgramCache]: Analyzing trace with hash 2003486256, now seen corresponding path program 1 times [2021-03-25 14:32:10,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:32:10,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350628485] [2021-03-25 14:32:10,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:32:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:32:10,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:10,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:10,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:10,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:10,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:10,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:10,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:10,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:32:10,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:32:10,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350628485] [2021-03-25 14:32:10,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:32:10,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:32:10,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533319431] [2021-03-25 14:32:10,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:32:10,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:32:10,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:32:10,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:32:10,552 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 207 [2021-03-25 14:32:10,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 58 transitions, 532 flow. Second operand has 5 states, 5 states have (on average 171.8) internal successors, (859), 5 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:10,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:32:10,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 207 [2021-03-25 14:32:10,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:32:10,888 INFO L129 PetriNetUnfolder]: 1598/3088 cut-off events. [2021-03-25 14:32:10,888 INFO L130 PetriNetUnfolder]: For 4696/8861 co-relation queries the response was YES. [2021-03-25 14:32:10,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11455 conditions, 3088 events. 1598/3088 cut-off events. For 4696/8861 co-relation queries the response was YES. Maximal size of possible extension queue 433. Compared 24820 event pairs, 212 based on Foata normal form. 525/3277 useless extension candidates. Maximal degree in co-relation 11427. Up to 2231 conditions per place. [2021-03-25 14:32:10,927 INFO L132 encePairwiseOnDemand]: 200/207 looper letters, 13 selfloop transitions, 14 changer transitions 0/73 dead transitions. [2021-03-25 14:32:10,927 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 73 transitions, 666 flow [2021-03-25 14:32:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:32:10,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:32:10,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1055 transitions. [2021-03-25 14:32:10,930 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8494363929146538 [2021-03-25 14:32:10,930 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1055 transitions. [2021-03-25 14:32:10,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1055 transitions. [2021-03-25 14:32:10,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:32:10,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1055 transitions. [2021-03-25 14:32:10,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 175.83333333333334) internal successors, (1055), 6 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:10,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:10,936 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:10,937 INFO L185 Difference]: Start difference. First operand has 60 places, 58 transitions, 532 flow. Second operand 6 states and 1055 transitions. [2021-03-25 14:32:10,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 73 transitions, 666 flow [2021-03-25 14:32:10,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 73 transitions, 660 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-03-25 14:32:10,948 INFO L241 Difference]: Finished difference. Result has 68 places, 67 transitions, 646 flow [2021-03-25 14:32:10,948 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=646, PETRI_PLACES=68, PETRI_TRANSITIONS=67} [2021-03-25 14:32:10,948 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 9 predicate places. [2021-03-25 14:32:10,949 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:32:10,949 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 67 transitions, 646 flow [2021-03-25 14:32:10,949 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 67 transitions, 646 flow [2021-03-25 14:32:10,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 67 transitions, 646 flow [2021-03-25 14:32:11,180 INFO L129 PetriNetUnfolder]: 1012/2130 cut-off events. [2021-03-25 14:32:11,180 INFO L130 PetriNetUnfolder]: For 6575/8424 co-relation queries the response was YES. [2021-03-25 14:32:11,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9874 conditions, 2130 events. 1012/2130 cut-off events. For 6575/8424 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 17243 event pairs, 183 based on Foata normal form. 54/2066 useless extension candidates. Maximal degree in co-relation 9843. Up to 1591 conditions per place. [2021-03-25 14:32:11,223 INFO L142 LiptonReduction]: Number of co-enabled transitions 1250 [2021-03-25 14:32:12,018 INFO L154 LiptonReduction]: Checked pairs total: 589 [2021-03-25 14:32:12,019 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:32:12,019 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1070 [2021-03-25 14:32:12,019 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 66 transitions, 638 flow [2021-03-25 14:32:12,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 171.8) internal successors, (859), 5 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:12,020 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:32:12,020 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:32:12,020 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 14:32:12,020 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:32:12,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:32:12,021 INFO L82 PathProgramCache]: Analyzing trace with hash 2110995208, now seen corresponding path program 1 times [2021-03-25 14:32:12,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:32:12,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851759872] [2021-03-25 14:32:12,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:32:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:32:12,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:12,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:12,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:12,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:12,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:12,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:12,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:12,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:12,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:12,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:32:12,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:32:12,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851759872] [2021-03-25 14:32:12,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:32:12,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:32:12,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418382357] [2021-03-25 14:32:12,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:32:12,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:32:12,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:32:12,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:32:12,106 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 207 [2021-03-25 14:32:12,107 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 66 transitions, 638 flow. Second operand has 6 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:12,107 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:32:12,107 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 207 [2021-03-25 14:32:12,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:32:12,403 INFO L129 PetriNetUnfolder]: 1119/2189 cut-off events. [2021-03-25 14:32:12,403 INFO L130 PetriNetUnfolder]: For 7082/12701 co-relation queries the response was YES. [2021-03-25 14:32:12,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10763 conditions, 2189 events. 1119/2189 cut-off events. For 7082/12701 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 16101 event pairs, 48 based on Foata normal form. 551/2479 useless extension candidates. Maximal degree in co-relation 10730. Up to 1518 conditions per place. [2021-03-25 14:32:12,438 INFO L132 encePairwiseOnDemand]: 200/207 looper letters, 10 selfloop transitions, 18 changer transitions 4/78 dead transitions. [2021-03-25 14:32:12,439 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 78 transitions, 794 flow [2021-03-25 14:32:12,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:32:12,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:32:12,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1231 transitions. [2021-03-25 14:32:12,442 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.849551414768806 [2021-03-25 14:32:12,442 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1231 transitions. [2021-03-25 14:32:12,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1231 transitions. [2021-03-25 14:32:12,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:32:12,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1231 transitions. [2021-03-25 14:32:12,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 175.85714285714286) internal successors, (1231), 7 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:12,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 207.0) internal successors, (1656), 8 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:12,449 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 207.0) internal successors, (1656), 8 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:12,449 INFO L185 Difference]: Start difference. First operand has 68 places, 66 transitions, 638 flow. Second operand 7 states and 1231 transitions. [2021-03-25 14:32:12,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 78 transitions, 794 flow [2021-03-25 14:32:12,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 78 transitions, 732 flow, removed 26 selfloop flow, removed 4 redundant places. [2021-03-25 14:32:12,534 INFO L241 Difference]: Finished difference. Result has 71 places, 71 transitions, 698 flow [2021-03-25 14:32:12,535 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=698, PETRI_PLACES=71, PETRI_TRANSITIONS=71} [2021-03-25 14:32:12,535 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 12 predicate places. [2021-03-25 14:32:12,535 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:32:12,535 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 71 transitions, 698 flow [2021-03-25 14:32:12,536 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 71 transitions, 698 flow [2021-03-25 14:32:12,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 71 transitions, 698 flow [2021-03-25 14:32:12,641 INFO L129 PetriNetUnfolder]: 537/1263 cut-off events. [2021-03-25 14:32:12,642 INFO L130 PetriNetUnfolder]: For 3779/4101 co-relation queries the response was YES. [2021-03-25 14:32:12,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5929 conditions, 1263 events. 537/1263 cut-off events. For 3779/4101 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 9680 event pairs, 37 based on Foata normal form. 3/1212 useless extension candidates. Maximal degree in co-relation 5897. Up to 803 conditions per place. [2021-03-25 14:32:12,663 INFO L142 LiptonReduction]: Number of co-enabled transitions 1186 [2021-03-25 14:32:12,932 INFO L154 LiptonReduction]: Checked pairs total: 585 [2021-03-25 14:32:12,933 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:32:12,933 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 398 [2021-03-25 14:32:12,933 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 70 transitions, 688 flow [2021-03-25 14:32:12,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:12,934 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:32:12,934 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:32:12,934 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 14:32:12,934 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:32:12,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:32:12,934 INFO L82 PathProgramCache]: Analyzing trace with hash 681507733, now seen corresponding path program 1 times [2021-03-25 14:32:12,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:32:12,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472938943] [2021-03-25 14:32:12,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:32:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:32:13,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:13,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:13,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:13,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:13,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:13,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:13,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:13,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:13,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:13,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:13,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:13,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:32:13,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:32:13,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472938943] [2021-03-25 14:32:13,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:32:13,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:32:13,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688283090] [2021-03-25 14:32:13,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:32:13,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:32:13,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:32:13,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:32:13,028 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 207 [2021-03-25 14:32:13,029 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 70 transitions, 688 flow. Second operand has 7 states, 7 states have (on average 171.85714285714286) internal successors, (1203), 7 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:13,030 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:32:13,030 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 207 [2021-03-25 14:32:13,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:32:13,290 INFO L129 PetriNetUnfolder]: 954/1778 cut-off events. [2021-03-25 14:32:13,290 INFO L130 PetriNetUnfolder]: For 5600/8353 co-relation queries the response was YES. [2021-03-25 14:32:13,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8171 conditions, 1778 events. 954/1778 cut-off events. For 5600/8353 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 11992 event pairs, 31 based on Foata normal form. 307/1831 useless extension candidates. Maximal degree in co-relation 8137. Up to 971 conditions per place. [2021-03-25 14:32:13,306 INFO L132 encePairwiseOnDemand]: 200/207 looper letters, 6 selfloop transitions, 18 changer transitions 14/75 dead transitions. [2021-03-25 14:32:13,306 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 75 transitions, 754 flow [2021-03-25 14:32:13,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 14:32:13,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 14:32:13,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1399 transitions. [2021-03-25 14:32:13,310 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8448067632850241 [2021-03-25 14:32:13,310 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1399 transitions. [2021-03-25 14:32:13,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1399 transitions. [2021-03-25 14:32:13,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:32:13,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1399 transitions. [2021-03-25 14:32:13,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 174.875) internal successors, (1399), 8 states have internal predecessors, (1399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:13,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 207.0) internal successors, (1863), 9 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:13,317 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 207.0) internal successors, (1863), 9 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:13,317 INFO L185 Difference]: Start difference. First operand has 71 places, 70 transitions, 688 flow. Second operand 8 states and 1399 transitions. [2021-03-25 14:32:13,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 75 transitions, 754 flow [2021-03-25 14:32:13,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 75 transitions, 701 flow, removed 17 selfloop flow, removed 5 redundant places. [2021-03-25 14:32:13,397 INFO L241 Difference]: Finished difference. Result has 74 places, 58 transitions, 535 flow [2021-03-25 14:32:13,397 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=587, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=535, PETRI_PLACES=74, PETRI_TRANSITIONS=58} [2021-03-25 14:32:13,398 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 15 predicate places. [2021-03-25 14:32:13,398 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:32:13,398 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 58 transitions, 535 flow [2021-03-25 14:32:13,398 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 58 transitions, 535 flow [2021-03-25 14:32:13,399 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 58 transitions, 535 flow [2021-03-25 14:32:13,434 INFO L129 PetriNetUnfolder]: 190/469 cut-off events. [2021-03-25 14:32:13,434 INFO L130 PetriNetUnfolder]: For 1247/1307 co-relation queries the response was YES. [2021-03-25 14:32:13,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2071 conditions, 469 events. 190/469 cut-off events. For 1247/1307 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2849 event pairs, 18 based on Foata normal form. 2/453 useless extension candidates. Maximal degree in co-relation 2038. Up to 162 conditions per place. [2021-03-25 14:32:13,442 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-25 14:32:13,744 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-03-25 14:32:13,875 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-03-25 14:32:14,198 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-25 14:32:14,348 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-25 14:32:14,357 INFO L154 LiptonReduction]: Checked pairs total: 700 [2021-03-25 14:32:14,357 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 14:32:14,357 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 959 [2021-03-25 14:32:14,358 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 55 transitions, 519 flow [2021-03-25 14:32:14,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 171.85714285714286) internal successors, (1203), 7 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:14,358 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:32:14,358 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] [2021-03-25 14:32:14,358 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 14:32:14,359 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:32:14,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:32:14,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1967756622, now seen corresponding path program 1 times [2021-03-25 14:32:14,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:32:14,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575817813] [2021-03-25 14:32:14,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:32:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:32:14,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:14,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:32:14,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:14,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:14,403 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 14:32:14,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:32:14,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:32:14,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575817813] [2021-03-25 14:32:14,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:32:14,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:32:14,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878662583] [2021-03-25 14:32:14,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:32:14,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:32:14,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:32:14,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:32:14,425 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 209 [2021-03-25 14:32:14,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 55 transitions, 519 flow. Second operand has 4 states, 4 states have (on average 167.5) internal successors, (670), 4 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:14,426 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:32:14,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 209 [2021-03-25 14:32:14,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:32:14,550 INFO L129 PetriNetUnfolder]: 320/722 cut-off events. [2021-03-25 14:32:14,550 INFO L130 PetriNetUnfolder]: For 3314/3987 co-relation queries the response was YES. [2021-03-25 14:32:14,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3233 conditions, 722 events. 320/722 cut-off events. For 3314/3987 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4565 event pairs, 26 based on Foata normal form. 52/741 useless extension candidates. Maximal degree in co-relation 3199. Up to 212 conditions per place. [2021-03-25 14:32:14,558 INFO L132 encePairwiseOnDemand]: 199/209 looper letters, 16 selfloop transitions, 24 changer transitions 13/79 dead transitions. [2021-03-25 14:32:14,558 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 79 transitions, 879 flow [2021-03-25 14:32:14,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:32:14,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:32:14,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 854 transitions. [2021-03-25 14:32:14,560 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8172248803827751 [2021-03-25 14:32:14,560 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 854 transitions. [2021-03-25 14:32:14,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 854 transitions. [2021-03-25 14:32:14,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:32:14,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 854 transitions. [2021-03-25 14:32:14,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 170.8) internal successors, (854), 5 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:14,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:14,567 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:14,567 INFO L185 Difference]: Start difference. First operand has 70 places, 55 transitions, 519 flow. Second operand 5 states and 854 transitions. [2021-03-25 14:32:14,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 79 transitions, 879 flow [2021-03-25 14:32:14,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 79 transitions, 703 flow, removed 21 selfloop flow, removed 13 redundant places. [2021-03-25 14:32:14,583 INFO L241 Difference]: Finished difference. Result has 65 places, 64 transitions, 576 flow [2021-03-25 14:32:14,583 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=576, PETRI_PLACES=65, PETRI_TRANSITIONS=64} [2021-03-25 14:32:14,584 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 6 predicate places. [2021-03-25 14:32:14,584 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:32:14,584 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 64 transitions, 576 flow [2021-03-25 14:32:14,584 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 64 transitions, 576 flow [2021-03-25 14:32:14,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 64 transitions, 576 flow [2021-03-25 14:32:14,616 INFO L129 PetriNetUnfolder]: 184/419 cut-off events. [2021-03-25 14:32:14,616 INFO L130 PetriNetUnfolder]: For 1153/1234 co-relation queries the response was YES. [2021-03-25 14:32:14,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1527 conditions, 419 events. 184/419 cut-off events. For 1153/1234 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2425 event pairs, 4 based on Foata normal form. 20/417 useless extension candidates. Maximal degree in co-relation 1499. Up to 118 conditions per place. [2021-03-25 14:32:14,622 INFO L142 LiptonReduction]: Number of co-enabled transitions 696 [2021-03-25 14:32:14,630 INFO L154 LiptonReduction]: Checked pairs total: 228 [2021-03-25 14:32:14,631 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:32:14,631 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-03-25 14:32:14,632 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 64 transitions, 576 flow [2021-03-25 14:32:14,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 167.5) internal successors, (670), 4 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:14,633 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:32:14,633 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] [2021-03-25 14:32:14,633 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 14:32:14,633 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:32:14,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:32:14,633 INFO L82 PathProgramCache]: Analyzing trace with hash 357015812, now seen corresponding path program 1 times [2021-03-25 14:32:14,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:32:14,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000719222] [2021-03-25 14:32:14,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:32:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:32:14,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:14,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:32:14,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:14,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:14,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:32:14,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:32:14,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:32:14,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000719222] [2021-03-25 14:32:14,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:32:14,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:32:14,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522874389] [2021-03-25 14:32:14,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:32:14,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:32:14,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:32:14,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:32:14,730 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 209 [2021-03-25 14:32:14,731 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 64 transitions, 576 flow. Second operand has 4 states, 4 states have (on average 183.0) internal successors, (732), 4 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:14,731 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:32:14,731 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 209 [2021-03-25 14:32:14,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:32:14,789 INFO L129 PetriNetUnfolder]: 241/545 cut-off events. [2021-03-25 14:32:14,790 INFO L130 PetriNetUnfolder]: For 1906/2057 co-relation queries the response was YES. [2021-03-25 14:32:14,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1981 conditions, 545 events. 241/545 cut-off events. For 1906/2057 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 3217 event pairs, 9 based on Foata normal form. 24/533 useless extension candidates. Maximal degree in co-relation 1951. Up to 162 conditions per place. [2021-03-25 14:32:14,794 INFO L132 encePairwiseOnDemand]: 206/209 looper letters, 3 selfloop transitions, 1 changer transitions 19/64 dead transitions. [2021-03-25 14:32:14,794 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 64 transitions, 594 flow [2021-03-25 14:32:14,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:32:14,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:32:14,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 734 transitions. [2021-03-25 14:32:14,796 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8779904306220095 [2021-03-25 14:32:14,796 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 734 transitions. [2021-03-25 14:32:14,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 734 transitions. [2021-03-25 14:32:14,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:32:14,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 734 transitions. [2021-03-25 14:32:14,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 183.5) internal successors, (734), 4 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:14,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 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) [2021-03-25 14:32:14,800 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 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) [2021-03-25 14:32:14,800 INFO L185 Difference]: Start difference. First operand has 65 places, 64 transitions, 576 flow. Second operand 4 states and 734 transitions. [2021-03-25 14:32:14,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 64 transitions, 594 flow [2021-03-25 14:32:14,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 64 transitions, 572 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-25 14:32:14,810 INFO L241 Difference]: Finished difference. Result has 66 places, 45 transitions, 349 flow [2021-03-25 14:32:14,810 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=349, PETRI_PLACES=66, PETRI_TRANSITIONS=45} [2021-03-25 14:32:14,810 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 7 predicate places. [2021-03-25 14:32:14,810 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:32:14,811 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 45 transitions, 349 flow [2021-03-25 14:32:14,811 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 45 transitions, 349 flow [2021-03-25 14:32:14,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 45 transitions, 349 flow [2021-03-25 14:32:14,828 INFO L129 PetriNetUnfolder]: 87/221 cut-off events. [2021-03-25 14:32:14,828 INFO L130 PetriNetUnfolder]: For 757/800 co-relation queries the response was YES. [2021-03-25 14:32:14,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 834 conditions, 221 events. 87/221 cut-off events. For 757/800 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1081 event pairs, 5 based on Foata normal form. 10/218 useless extension candidates. Maximal degree in co-relation 807. Up to 70 conditions per place. [2021-03-25 14:32:14,831 INFO L142 LiptonReduction]: Number of co-enabled transitions 380 [2021-03-25 14:32:14,897 INFO L154 LiptonReduction]: Checked pairs total: 196 [2021-03-25 14:32:14,897 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 14:32:14,897 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 87 [2021-03-25 14:32:14,898 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 44 transitions, 350 flow [2021-03-25 14:32:14,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 183.0) internal successors, (732), 4 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:32:14,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:32:14,898 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] [2021-03-25 14:32:14,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 14:32:14,898 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:32:14,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:32:14,899 INFO L82 PathProgramCache]: Analyzing trace with hash -80219738, now seen corresponding path program 2 times [2021-03-25 14:32:14,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:32:14,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758546115] [2021-03-25 14:32:14,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:32:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 14:32:14,935 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 14:32:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 14:32:14,977 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 14:32:15,001 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 14:32:15,002 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 14:32:15,002 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 14:32:15,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 02:32:15 BasicIcfg [2021-03-25 14:32:15,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 14:32:15,088 INFO L168 Benchmark]: Toolchain (without parser) took 16969.03 ms. Allocated memory was 377.5 MB in the beginning and 671.1 MB in the end (delta: 293.6 MB). Free memory was 340.5 MB in the beginning and 524.2 MB in the end (delta: -183.6 MB). Peak memory consumption was 111.9 MB. Max. memory is 16.0 GB. [2021-03-25 14:32:15,088 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 377.5 MB. Free memory was 359.0 MB in the beginning and 358.9 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 14:32:15,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.62 ms. Allocated memory is still 377.5 MB. Free memory was 340.3 MB in the beginning and 336.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. [2021-03-25 14:32:15,088 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.77 ms. Allocated memory is still 377.5 MB. Free memory was 336.5 MB in the beginning and 333.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:32:15,089 INFO L168 Benchmark]: Boogie Preprocessor took 38.75 ms. Allocated memory is still 377.5 MB. Free memory was 333.4 MB in the beginning and 331.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:32:15,089 INFO L168 Benchmark]: RCFGBuilder took 1491.62 ms. Allocated memory is still 377.5 MB. Free memory was 331.3 MB in the beginning and 318.9 MB in the end (delta: 12.3 MB). Peak memory consumption was 154.9 MB. Max. memory is 16.0 GB. [2021-03-25 14:32:15,089 INFO L168 Benchmark]: TraceAbstraction took 14764.21 ms. Allocated memory was 377.5 MB in the beginning and 671.1 MB in the end (delta: 293.6 MB). Free memory was 318.9 MB in the beginning and 524.2 MB in the end (delta: -205.2 MB). Peak memory consumption was 88.4 MB. Max. memory is 16.0 GB. [2021-03-25 14:32:15,090 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 377.5 MB. Free memory was 359.0 MB in the beginning and 358.9 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 594.62 ms. Allocated memory is still 377.5 MB. Free memory was 340.3 MB in the beginning and 336.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 72.77 ms. Allocated memory is still 377.5 MB. Free memory was 336.5 MB in the beginning and 333.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 38.75 ms. Allocated memory is still 377.5 MB. Free memory was 333.4 MB in the beginning and 331.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1491.62 ms. Allocated memory is still 377.5 MB. Free memory was 331.3 MB in the beginning and 318.9 MB in the end (delta: 12.3 MB). Peak memory consumption was 154.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 14764.21 ms. Allocated memory was 377.5 MB in the beginning and 671.1 MB in the end (delta: 293.6 MB). Free memory was 318.9 MB in the beginning and 524.2 MB in the end (delta: -205.2 MB). Peak memory consumption was 88.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3197.9ms, 123 PlacesBefore, 59 PlacesAfterwards, 112 TransitionsBefore, 47 TransitionsAfterwards, 2488 CoEnabledTransitionPairs, 5 FixpointIterations, 28 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 74 TotalNumberOfCompositions, 3740 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2164, positive: 2083, positive conditional: 0, positive unconditional: 2083, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1651, positive: 1611, positive conditional: 0, positive unconditional: 1611, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1651, positive: 1611, positive conditional: 0, positive unconditional: 1611, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1651, positive: 1598, positive conditional: 0, positive unconditional: 1598, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 348, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 311, negative conditional: 0, negative unconditional: 311, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2164, positive: 472, positive conditional: 0, positive unconditional: 472, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 1651, unknown conditional: 0, unknown unconditional: 1651] , Statistics on independence cache: Total cache size (in pairs): 213, Positive cache size: 194, Positive conditional cache size: 0, Positive unconditional cache size: 194, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1326.2ms, 55 PlacesBefore, 41 PlacesAfterwards, 44 TransitionsBefore, 30 TransitionsAfterwards, 468 CoEnabledTransitionPairs, 3 FixpointIterations, 10 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 14 TotalNumberOfCompositions, 1422 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 429, positive: 354, positive conditional: 0, positive unconditional: 354, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 126, positive: 99, positive conditional: 0, positive unconditional: 99, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 126, positive: 99, positive conditional: 0, positive unconditional: 99, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 126, positive: 92, positive conditional: 0, positive unconditional: 92, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 309, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 262, negative conditional: 0, negative unconditional: 262, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 429, positive: 255, positive conditional: 0, positive unconditional: 255, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 126, unknown conditional: 0, unknown unconditional: 126] , Statistics on independence cache: Total cache size (in pairs): 242, Positive cache size: 217, Positive conditional cache size: 0, Positive unconditional cache size: 217, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1946.3ms, 47 PlacesBefore, 41 PlacesAfterwards, 36 TransitionsBefore, 33 TransitionsAfterwards, 420 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 456 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 144, positive: 123, positive conditional: 0, positive unconditional: 123, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 144, positive: 118, positive conditional: 0, positive unconditional: 118, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 247, Positive cache size: 222, Positive conditional cache size: 0, Positive unconditional cache size: 222, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 167.3ms, 40 PlacesBefore, 40 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 418 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 187 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 47, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 47, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 254, Positive cache size: 226, Positive conditional cache size: 0, Positive unconditional cache size: 226, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61.6ms, 44 PlacesBefore, 44 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 542 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 332 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 81, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 81, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 260, Positive cache size: 231, Positive conditional cache size: 0, Positive unconditional cache size: 231, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 98.0ms, 49 PlacesBefore, 49 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 638 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 532 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 105, positive: 87, positive conditional: 0, positive unconditional: 87, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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: 105, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 262, Positive cache size: 233, Positive conditional cache size: 0, Positive unconditional cache size: 233, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 87.0ms, 52 PlacesBefore, 52 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 638 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 606 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 120, positive: 100, positive conditional: 0, positive unconditional: 100, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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: 120, positive: 100, positive conditional: 0, positive unconditional: 100, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 262, Positive cache size: 233, Positive conditional cache size: 0, Positive unconditional cache size: 233, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 400.6ms, 58 PlacesBefore, 58 PlacesAfterwards, 57 TransitionsBefore, 56 TransitionsAfterwards, 954 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 665 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 210, positive: 192, positive conditional: 0, positive unconditional: 192, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 210, positive: 191, positive conditional: 0, positive unconditional: 191, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 244, Positive cache size: 217, Positive conditional cache size: 0, Positive unconditional cache size: 217, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 452.8ms, 60 PlacesBefore, 60 PlacesAfterwards, 58 TransitionsBefore, 58 TransitionsAfterwards, 882 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 333 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 135, positive: 125, positive conditional: 0, positive unconditional: 125, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 135, positive: 122, positive conditional: 0, positive unconditional: 122, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 247, Positive cache size: 220, Positive conditional cache size: 0, Positive unconditional cache size: 220, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1069.8ms, 68 PlacesBefore, 68 PlacesAfterwards, 67 TransitionsBefore, 66 TransitionsAfterwards, 1250 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 589 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 287, positive: 273, positive conditional: 0, positive unconditional: 273, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 0, positive unconditional: 14, 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: 14, positive: 14, positive conditional: 0, positive unconditional: 14, 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: 287, positive: 259, positive conditional: 0, positive unconditional: 259, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , Statistics on independence cache: Total cache size (in pairs): 248, Positive cache size: 221, Positive conditional cache size: 0, Positive unconditional cache size: 221, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 397.0ms, 71 PlacesBefore, 71 PlacesAfterwards, 71 TransitionsBefore, 70 TransitionsAfterwards, 1186 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 585 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 289, positive: 275, positive conditional: 0, positive unconditional: 275, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 289, positive: 263, positive conditional: 0, positive unconditional: 263, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , Statistics on independence cache: Total cache size (in pairs): 247, Positive cache size: 220, Positive conditional cache size: 0, Positive unconditional cache size: 220, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 958.8ms, 74 PlacesBefore, 70 PlacesAfterwards, 58 TransitionsBefore, 55 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 700 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 248, positive: 224, positive conditional: 0, positive unconditional: 224, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 248, positive: 215, positive conditional: 0, positive unconditional: 215, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 207, Positive cache size: 190, Positive conditional cache size: 0, Positive unconditional cache size: 190, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46.3ms, 65 PlacesBefore, 65 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 696 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 228 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 52, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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: 52, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 207, Positive cache size: 190, Positive conditional cache size: 0, Positive unconditional cache size: 190, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.2ms, 66 PlacesBefore, 64 PlacesAfterwards, 45 TransitionsBefore, 44 TransitionsAfterwards, 380 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 196 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 38, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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: 38, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - 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_p2_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L720] 0 int b = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L726] 0 int y = 0; [L728] 0 int z = 0; [L729] 0 _Bool z$flush_delayed; [L730] 0 int z$mem_tmp; [L731] 0 _Bool z$r_buff0_thd0; [L732] 0 _Bool z$r_buff0_thd1; [L733] 0 _Bool z$r_buff0_thd2; [L734] 0 _Bool z$r_buff0_thd3; [L735] 0 _Bool z$r_buff0_thd4; [L736] 0 _Bool z$r_buff1_thd0; [L737] 0 _Bool z$r_buff1_thd1; [L738] 0 _Bool z$r_buff1_thd2; [L739] 0 _Bool z$r_buff1_thd3; [L740] 0 _Bool z$r_buff1_thd4; [L741] 0 _Bool z$read_delayed; [L742] 0 int *z$read_delayed_var; [L743] 0 int z$w_buff0; [L744] 0 _Bool z$w_buff0_used; [L745] 0 int z$w_buff1; [L746] 0 _Bool z$w_buff1_used; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L854] 0 pthread_t t1085; [L855] FCALL, FORK 0 pthread_create(&t1085, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L856] 0 pthread_t t1086; [L857] FCALL, FORK 0 pthread_create(&t1086, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L858] 0 pthread_t t1087; [L859] FCALL, FORK 0 pthread_create(&t1087, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L860] 0 pthread_t t1088; [L861] FCALL, FORK 0 pthread_create(&t1088, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L810] 4 z$w_buff1 = z$w_buff0 [L811] 4 z$w_buff0 = 1 [L812] 4 z$w_buff1_used = z$w_buff0_used [L813] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L815] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L816] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L817] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L818] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L819] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L820] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L823] 4 a = 1 [L826] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L829] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L752] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L755] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L767] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L785] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L786] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L787] 3 z$flush_delayed = weak$$choice2 [L788] 3 z$mem_tmp = z [L789] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L789] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L790] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L790] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L790] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L790] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L791] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L791] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L791] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L791] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L792] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L792] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L792] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L792] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L793] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L793] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L793] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L793] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L794] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L794] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L794] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L794] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L795] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L795] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L795] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L795] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L796] 3 __unbuffered_p2_EAX = z [L797] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L797] 3 z = z$flush_delayed ? z$mem_tmp : z [L798] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 1 return 0; [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 2 return 0; [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L805] 3 return 0; [L832] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L832] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L833] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L833] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L834] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L834] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L835] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L835] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L836] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L836] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L839] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L841] 4 return 0; [L863] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L867] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L867] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L867] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L867] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L868] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L868] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L869] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L869] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L870] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L870] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L871] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L871] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L874] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 115 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 13.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 14575.1ms, OverallIterations: 14, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2796.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3275.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 97 SDtfs, 58 SDslu, 59 SDs, 0 SdLazy, 252 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 259.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 170.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=698occurred in iteration=10, InterpolantAutomatonStates: 61, 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: 38.1ms SsaConstructionTime, 339.8ms SatisfiabilityAnalysisTime, 708.8ms InterpolantComputationTime, 265 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 229 ConstructedInterpolants, 0 QuantifiedInterpolants, 1196 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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...