/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix045_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 21:24:14,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 21:24:14,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 21:24:14,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 21:24:14,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 21:24:14,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 21:24:14,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 21:24:14,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 21:24:14,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 21:24:14,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 21:24:14,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 21:24:14,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 21:24:14,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 21:24:14,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 21:24:14,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 21:24:14,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 21:24:14,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 21:24:14,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 21:24:14,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 21:24:14,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 21:24:14,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 21:24:14,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 21:24:14,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 21:24:14,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 21:24:14,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 21:24:14,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 21:24:14,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 21:24:14,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 21:24:14,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 21:24:14,901 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 21:24:14,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 21:24:14,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 21:24:14,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 21:24:14,906 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 21:24:14,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 21:24:14,906 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 21:24:14,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 21:24:14,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 21:24:14,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 21:24:14,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 21:24:14,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 21:24:14,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 21:24:14,909 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 21:24:14,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 21:24:14,910 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 21:24:14,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 21:24:14,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 21:24:14,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 21:24:14,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 21:24:14,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 21:24:14,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 21:24:14,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 21:24:14,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 21:24:14,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 21:24:14,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 21:24:14,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 21:24:14,912 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 21:24:14,913 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 21:24:14,913 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 21:24:14,913 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 21:24:15,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 21:24:15,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 21:24:15,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 21:24:15,402 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 21:24:15,403 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 21:24:15,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix045_tso.opt.i [2021-04-28 21:24:15,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4e62605/3be3eeda3c5246c9b7eaddf99a76474c/FLAG746dc0a40 [2021-04-28 21:24:16,348 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 21:24:16,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix045_tso.opt.i [2021-04-28 21:24:16,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4e62605/3be3eeda3c5246c9b7eaddf99a76474c/FLAG746dc0a40 [2021-04-28 21:24:16,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4e62605/3be3eeda3c5246c9b7eaddf99a76474c [2021-04-28 21:24:16,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 21:24:16,629 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 21:24:16,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 21:24:16,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 21:24:16,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 21:24:16,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:24:16" (1/1) ... [2021-04-28 21:24:16,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2576360c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:24:16, skipping insertion in model container [2021-04-28 21:24:16,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:24:16" (1/1) ... [2021-04-28 21:24:16,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 21:24:16,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 21:24:16,903 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/mix045_tso.opt.i[948,961] [2021-04-28 21:24:17,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 21:24:17,291 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 21:24:17,307 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/mix045_tso.opt.i[948,961] [2021-04-28 21:24:17,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 21:24:17,609 INFO L208 MainTranslator]: Completed translation [2021-04-28 21:24:17,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:24:17 WrapperNode [2021-04-28 21:24:17,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 21:24:17,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 21:24:17,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 21:24:17,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 21:24:17,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:24:17" (1/1) ... [2021-04-28 21:24:17,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:24:17" (1/1) ... [2021-04-28 21:24:17,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 21:24:17,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 21:24:17,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 21:24:17,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 21:24:17,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:24:17" (1/1) ... [2021-04-28 21:24:17,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:24:17" (1/1) ... [2021-04-28 21:24:17,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:24:17" (1/1) ... [2021-04-28 21:24:17,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:24:17" (1/1) ... [2021-04-28 21:24:17,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:24:17" (1/1) ... [2021-04-28 21:24:17,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:24:17" (1/1) ... [2021-04-28 21:24:17,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:24:17" (1/1) ... [2021-04-28 21:24:17,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 21:24:17,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 21:24:17,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 21:24:17,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 21:24:17,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:24:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 21:24:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 21:24:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 21:24:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 21:24:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 21:24:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 21:24:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 21:24:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 21:24:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 21:24:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 21:24:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 21:24:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 21:24:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 21:24:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 21:24:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 21:24:17,892 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 21:24:20,272 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 21:24:20,272 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 21:24:20,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:24:20 BoogieIcfgContainer [2021-04-28 21:24:20,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 21:24:20,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 21:24:20,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 21:24:20,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 21:24:20,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 09:24:16" (1/3) ... [2021-04-28 21:24:20,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50be61f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:24:20, skipping insertion in model container [2021-04-28 21:24:20,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:24:17" (2/3) ... [2021-04-28 21:24:20,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50be61f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:24:20, skipping insertion in model container [2021-04-28 21:24:20,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:24:20" (3/3) ... [2021-04-28 21:24:20,286 INFO L111 eAbstractionObserver]: Analyzing ICFG mix045_tso.opt.i [2021-04-28 21:24:20,294 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 21:24:20,303 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 21:24:20,304 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 21:24:20,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,352 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,355 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,355 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,356 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,356 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,363 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,363 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,364 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,364 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,364 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,364 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,364 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,365 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,365 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,365 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,366 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,366 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,366 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,366 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,366 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,367 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,367 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,367 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,367 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,368 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,368 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,368 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,368 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,369 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,369 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,369 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,369 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,369 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,375 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,375 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,380 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,380 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,385 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,385 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,387 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,388 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:24:20,391 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 21:24:20,418 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 21:24:20,443 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 21:24:20,443 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 21:24:20,443 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 21:24:20,443 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 21:24:20,443 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 21:24:20,443 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 21:24:20,444 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 21:24:20,444 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 21:24:20,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 100 transitions, 215 flow [2021-04-28 21:24:20,509 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-04-28 21:24:20,510 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:24:20,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 66 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-28 21:24:20,515 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 100 transitions, 215 flow [2021-04-28 21:24:20,522 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 97 transitions, 203 flow [2021-04-28 21:24:20,524 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:24:20,541 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 97 transitions, 203 flow [2021-04-28 21:24:20,546 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 97 transitions, 203 flow [2021-04-28 21:24:20,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 203 flow [2021-04-28 21:24:20,598 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-04-28 21:24:20,598 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:24:20,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-28 21:24:20,607 INFO L146 LiptonReduction]: Number of co-enabled transitions 1738 [2021-04-28 21:24:22,116 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 21:24:22,678 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 21:24:25,141 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-28 21:24:26,162 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 21:24:29,837 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 21:24:29,957 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:24:30,526 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 21:24:30,759 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 21:24:31,047 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 21:24:31,488 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 21:24:32,466 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 21:24:33,005 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 21:24:34,084 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 21:24:35,187 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 21:24:35,708 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 21:24:36,245 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 21:24:37,356 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 21:24:38,458 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 21:24:39,025 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 21:24:39,572 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 21:24:40,811 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 21:24:42,007 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 21:24:45,768 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 21:24:46,338 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 21:24:47,565 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 21:24:48,765 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 21:24:49,340 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 21:24:49,931 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 21:24:51,145 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:24:52,365 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:24:52,990 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 21:24:53,619 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 21:24:54,952 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:24:56,264 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:24:56,934 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 21:24:57,611 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 21:24:58,911 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 21:25:00,252 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 21:25:03,250 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 21:25:03,989 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 21:25:05,399 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:25:06,836 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:25:07,535 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 21:25:08,212 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 21:25:09,628 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 21:25:11,000 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 21:25:11,712 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 21:25:12,427 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 21:25:13,854 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 21:25:15,336 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 21:25:15,824 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 21:25:15,935 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 21:25:16,047 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 21:25:16,159 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 21:25:16,264 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 21:25:16,370 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 21:25:16,482 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 21:25:16,591 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 21:25:17,414 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 21:25:17,532 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 21:25:17,647 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 21:25:17,762 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 21:25:18,423 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:25:18,526 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:25:20,284 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:25:22,099 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:25:22,212 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:25:22,324 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:25:22,428 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:25:22,551 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:25:22,663 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:25:22,805 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:25:22,919 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:25:23,026 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:25:23,235 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:25:23,453 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:25:23,570 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:25:23,692 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:25:23,814 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:25:23,957 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:25:24,091 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:25:24,238 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:25:24,377 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:25:24,496 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:25:24,605 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:25:24,728 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:25:24,839 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:25:24,977 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:25:25,113 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:25:25,252 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:25:25,378 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:25:25,517 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:25:25,666 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:25:25,808 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:25:25,951 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:25:26,077 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:25:26,202 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:25:26,337 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:25:26,459 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:25:26,571 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:25:26,680 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:25:26,793 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:25:26,899 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:25:27,025 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:25:27,136 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:25:27,247 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:25:27,357 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:25:27,709 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 21:25:27,829 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 21:25:27,947 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 21:25:28,066 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 21:25:30,324 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:25:30,584 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:25:30,817 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:25:31,050 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:25:31,243 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:25:31,435 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:25:31,630 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:25:31,823 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:25:32,019 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:25:32,220 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:25:32,424 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:25:32,634 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:25:32,861 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:25:33,087 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:25:33,319 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:25:33,550 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:25:33,781 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:25:34,010 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:25:34,261 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:25:34,495 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:25:34,744 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:25:35,000 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:25:35,250 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:25:35,498 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:25:36,133 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-28 21:25:36,431 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 21:25:37,060 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-28 21:25:37,351 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 21:25:37,506 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:25:37,656 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:25:37,803 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:25:37,946 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:25:38,118 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:25:38,273 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:25:38,439 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:25:38,601 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:25:38,763 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:25:38,932 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:25:39,110 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:25:39,288 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:25:39,531 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:25:39,765 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:25:40,017 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:25:40,271 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:25:40,462 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:25:40,647 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:25:40,851 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:25:41,054 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:25:41,228 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:25:41,405 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:25:41,579 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:25:41,764 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:25:41,895 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:25:42,038 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:25:42,175 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:25:42,312 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:25:42,981 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-04-28 21:25:43,291 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 21:25:43,926 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-04-28 21:25:44,229 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 21:25:44,380 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:25:44,530 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:25:44,687 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:25:44,842 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:25:45,066 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:25:45,284 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:25:45,508 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:25:45,730 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:25:45,902 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:25:46,065 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:25:46,218 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:25:46,372 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:25:46,584 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:25:46,799 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:25:47,022 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:25:47,243 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:25:47,482 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:25:47,731 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:25:47,968 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:25:48,208 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:25:48,333 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:25:48,462 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:25:48,596 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:25:48,724 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:25:48,773 INFO L158 LiptonReduction]: Checked pairs total: 14838 [2021-04-28 21:25:48,773 INFO L160 LiptonReduction]: Total number of compositions: 223 [2021-04-28 21:25:48,778 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88256 [2021-04-28 21:25:48,803 INFO L129 PetriNetUnfolder]: 0/69 cut-off events. [2021-04-28 21:25:48,803 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:25:48,803 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:25:48,804 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:25:48,804 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:25:48,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:25:48,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1849301874, now seen corresponding path program 1 times [2021-04-28 21:25:48,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:25:48,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566691893] [2021-04-28 21:25:48,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:25:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:25:49,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:49,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:25:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:25:49,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566691893] [2021-04-28 21:25:49,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:25:49,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:25:49,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645094650] [2021-04-28 21:25:49,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:25:49,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:25:49,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:25:49,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:25:49,122 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 323 [2021-04-28 21:25:49,127 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 121 transitions, 251 flow. Second operand has 3 states, 3 states have (on average 250.66666666666666) internal successors, (752), 3 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:49,127 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:25:49,128 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 323 [2021-04-28 21:25:49,129 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:25:49,621 INFO L129 PetriNetUnfolder]: 199/622 cut-off events. [2021-04-28 21:25:49,621 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:25:49,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1002 conditions, 622 events. 199/622 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 4815 event pairs, 15 based on Foata normal form. 10/285 useless extension candidates. Maximal degree in co-relation 934. Up to 313 conditions per place. [2021-04-28 21:25:49,627 INFO L132 encePairwiseOnDemand]: 305/323 looper letters, 7 selfloop transitions, 4 changer transitions 88/132 dead transitions. [2021-04-28 21:25:49,627 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 132 transitions, 367 flow [2021-04-28 21:25:49,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:25:49,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:25:49,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 801 transitions. [2021-04-28 21:25:49,648 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.826625386996904 [2021-04-28 21:25:49,649 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 801 transitions. [2021-04-28 21:25:49,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 801 transitions. [2021-04-28 21:25:49,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:25:49,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 801 transitions. [2021-04-28 21:25:49,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 267.0) internal successors, (801), 3 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:49,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 323.0) internal successors, (1292), 4 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:49,674 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 323.0) internal successors, (1292), 4 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:49,677 INFO L185 Difference]: Start difference. First operand has 129 places, 121 transitions, 251 flow. Second operand 3 states and 801 transitions. [2021-04-28 21:25:49,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 132 transitions, 367 flow [2021-04-28 21:25:49,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 132 transitions, 364 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 21:25:49,685 INFO L241 Difference]: Finished difference. Result has 125 places, 41 transitions, 96 flow [2021-04-28 21:25:49,688 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=125, PETRI_TRANSITIONS=41} [2021-04-28 21:25:49,689 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -4 predicate places. [2021-04-28 21:25:49,689 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:25:49,689 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 41 transitions, 96 flow [2021-04-28 21:25:49,690 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 41 transitions, 96 flow [2021-04-28 21:25:49,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 41 transitions, 96 flow [2021-04-28 21:25:49,696 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-04-28 21:25:49,697 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:25:49,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 41 events. 0/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 141 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 21:25:49,698 INFO L146 LiptonReduction]: Number of co-enabled transitions 972 [2021-04-28 21:25:50,020 INFO L158 LiptonReduction]: Checked pairs total: 906 [2021-04-28 21:25:50,021 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:25:50,021 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 332 [2021-04-28 21:25:50,023 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 41 transitions, 96 flow [2021-04-28 21:25:50,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 250.66666666666666) internal successors, (752), 3 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:50,024 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:25:50,024 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:25:50,024 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 21:25:50,025 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:25:50,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:25:50,025 INFO L82 PathProgramCache]: Analyzing trace with hash -937276260, now seen corresponding path program 1 times [2021-04-28 21:25:50,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:25:50,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825871463] [2021-04-28 21:25:50,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:25:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:25:50,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:50,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:25:50,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:25:50,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825871463] [2021-04-28 21:25:50,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:25:50,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:25:50,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722657949] [2021-04-28 21:25:50,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:25:50,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:25:50,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:25:50,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:25:50,269 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 323 [2021-04-28 21:25:50,272 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:50,273 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:25:50,273 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 323 [2021-04-28 21:25:50,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:25:50,298 INFO L129 PetriNetUnfolder]: 3/57 cut-off events. [2021-04-28 21:25:50,298 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:25:50,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 57 events. 3/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 206 event pairs, 1 based on Foata normal form. 1/34 useless extension candidates. Maximal degree in co-relation 71. Up to 10 conditions per place. [2021-04-28 21:25:50,299 INFO L132 encePairwiseOnDemand]: 319/323 looper letters, 3 selfloop transitions, 3 changer transitions 0/43 dead transitions. [2021-04-28 21:25:50,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 43 transitions, 112 flow [2021-04-28 21:25:50,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:25:50,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:25:50,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 748 transitions. [2021-04-28 21:25:50,304 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7719298245614035 [2021-04-28 21:25:50,304 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 748 transitions. [2021-04-28 21:25:50,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 748 transitions. [2021-04-28 21:25:50,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:25:50,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 748 transitions. [2021-04-28 21:25:50,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:50,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 323.0) internal successors, (1292), 4 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:50,312 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 323.0) internal successors, (1292), 4 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:50,313 INFO L185 Difference]: Start difference. First operand has 50 places, 41 transitions, 96 flow. Second operand 3 states and 748 transitions. [2021-04-28 21:25:50,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 43 transitions, 112 flow [2021-04-28 21:25:50,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 43 transitions, 104 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:25:50,315 INFO L241 Difference]: Finished difference. Result has 51 places, 43 transitions, 107 flow [2021-04-28 21:25:50,315 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=51, PETRI_TRANSITIONS=43} [2021-04-28 21:25:50,315 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -78 predicate places. [2021-04-28 21:25:50,316 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:25:50,316 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 43 transitions, 107 flow [2021-04-28 21:25:50,316 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 43 transitions, 107 flow [2021-04-28 21:25:50,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 107 flow [2021-04-28 21:25:50,325 INFO L129 PetriNetUnfolder]: 3/57 cut-off events. [2021-04-28 21:25:50,325 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:25:50,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 57 events. 3/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 214 event pairs, 1 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 70. Up to 10 conditions per place. [2021-04-28 21:25:50,327 INFO L146 LiptonReduction]: Number of co-enabled transitions 1058 [2021-04-28 21:25:51,019 INFO L158 LiptonReduction]: Checked pairs total: 1356 [2021-04-28 21:25:51,020 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 21:25:51,020 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 704 [2021-04-28 21:25:51,021 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 43 transitions, 107 flow [2021-04-28 21:25:51,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:51,022 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:25:51,022 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:25:51,022 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 21:25:51,023 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:25:51,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:25:51,023 INFO L82 PathProgramCache]: Analyzing trace with hash 189680049, now seen corresponding path program 1 times [2021-04-28 21:25:51,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:25:51,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674821365] [2021-04-28 21:25:51,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:25:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:25:51,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:51,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:25:51,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:25:51,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674821365] [2021-04-28 21:25:51,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:25:51,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:25:51,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527902643] [2021-04-28 21:25:51,105 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:25:51,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:25:51,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:25:51,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:25:51,107 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 324 [2021-04-28 21:25:51,109 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 43 transitions, 107 flow. Second operand has 3 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:51,109 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:25:51,109 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 324 [2021-04-28 21:25:51,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:25:51,128 INFO L129 PetriNetUnfolder]: 3/57 cut-off events. [2021-04-28 21:25:51,128 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-04-28 21:25:51,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 57 events. 3/57 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 214 event pairs, 1 based on Foata normal form. 1/33 useless extension candidates. Maximal degree in co-relation 74. Up to 10 conditions per place. [2021-04-28 21:25:51,129 INFO L132 encePairwiseOnDemand]: 321/324 looper letters, 1 selfloop transitions, 2 changer transitions 0/43 dead transitions. [2021-04-28 21:25:51,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 43 transitions, 113 flow [2021-04-28 21:25:51,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:25:51,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:25:51,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 712 transitions. [2021-04-28 21:25:51,134 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7325102880658436 [2021-04-28 21:25:51,134 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 712 transitions. [2021-04-28 21:25:51,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 712 transitions. [2021-04-28 21:25:51,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:25:51,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 712 transitions. [2021-04-28 21:25:51,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:51,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:51,143 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:51,143 INFO L185 Difference]: Start difference. First operand has 51 places, 43 transitions, 107 flow. Second operand 3 states and 712 transitions. [2021-04-28 21:25:51,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 43 transitions, 113 flow [2021-04-28 21:25:51,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 43 transitions, 110 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 21:25:51,146 INFO L241 Difference]: Finished difference. Result has 53 places, 43 transitions, 112 flow [2021-04-28 21:25:51,146 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=53, PETRI_TRANSITIONS=43} [2021-04-28 21:25:51,147 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -76 predicate places. [2021-04-28 21:25:51,147 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:25:51,147 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 43 transitions, 112 flow [2021-04-28 21:25:51,147 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 43 transitions, 112 flow [2021-04-28 21:25:51,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 43 transitions, 112 flow [2021-04-28 21:25:51,156 INFO L129 PetriNetUnfolder]: 3/57 cut-off events. [2021-04-28 21:25:51,157 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-28 21:25:51,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 57 events. 3/57 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 211 event pairs, 1 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 73. Up to 10 conditions per place. [2021-04-28 21:25:51,159 INFO L146 LiptonReduction]: Number of co-enabled transitions 1048 [2021-04-28 21:25:51,480 INFO L158 LiptonReduction]: Checked pairs total: 597 [2021-04-28 21:25:51,481 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:25:51,481 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 334 [2021-04-28 21:25:51,482 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 43 transitions, 112 flow [2021-04-28 21:25:51,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:51,483 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:25:51,484 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:25:51,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 21:25:51,484 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:25:51,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:25:51,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1585118109, now seen corresponding path program 1 times [2021-04-28 21:25:51,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:25:51,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717890579] [2021-04-28 21:25:51,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:25:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:25:51,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:51,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 21:25:51,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:51,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-28 21:25:51,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:51,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-28 21:25:51,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:25:51,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717890579] [2021-04-28 21:25:51,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:25:51,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:25:51,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944632700] [2021-04-28 21:25:51,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:25:51,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:25:51,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:25:51,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:25:51,686 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 324 [2021-04-28 21:25:51,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 43 transitions, 112 flow. Second operand has 5 states, 5 states have (on average 191.8) internal successors, (959), 5 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:51,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:25:51,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 324 [2021-04-28 21:25:51,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:25:51,831 INFO L129 PetriNetUnfolder]: 86/234 cut-off events. [2021-04-28 21:25:51,831 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2021-04-28 21:25:51,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 449 conditions, 234 events. 86/234 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1307 event pairs, 29 based on Foata normal form. 1/158 useless extension candidates. Maximal degree in co-relation 437. Up to 137 conditions per place. [2021-04-28 21:25:51,835 INFO L132 encePairwiseOnDemand]: 317/324 looper letters, 11 selfloop transitions, 8 changer transitions 0/52 dead transitions. [2021-04-28 21:25:51,835 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 52 transitions, 171 flow [2021-04-28 21:25:51,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:25:51,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:25:51,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 782 transitions. [2021-04-28 21:25:51,840 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6033950617283951 [2021-04-28 21:25:51,840 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 782 transitions. [2021-04-28 21:25:51,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 782 transitions. [2021-04-28 21:25:51,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:25:51,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 782 transitions. [2021-04-28 21:25:51,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 195.5) internal successors, (782), 4 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:51,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 324.0) internal successors, (1620), 5 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:51,848 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 324.0) internal successors, (1620), 5 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:51,848 INFO L185 Difference]: Start difference. First operand has 53 places, 43 transitions, 112 flow. Second operand 4 states and 782 transitions. [2021-04-28 21:25:51,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 52 transitions, 171 flow [2021-04-28 21:25:51,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 52 transitions, 165 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:25:51,852 INFO L241 Difference]: Finished difference. Result has 56 places, 50 transitions, 165 flow [2021-04-28 21:25:51,852 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=165, PETRI_PLACES=56, PETRI_TRANSITIONS=50} [2021-04-28 21:25:51,852 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -73 predicate places. [2021-04-28 21:25:51,852 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:25:51,852 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 50 transitions, 165 flow [2021-04-28 21:25:51,853 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 50 transitions, 165 flow [2021-04-28 21:25:51,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 50 transitions, 165 flow [2021-04-28 21:25:51,871 INFO L129 PetriNetUnfolder]: 18/119 cut-off events. [2021-04-28 21:25:51,871 INFO L130 PetriNetUnfolder]: For 20/21 co-relation queries the response was YES. [2021-04-28 21:25:51,872 INFO L84 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 119 events. 18/119 cut-off events. For 20/21 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 691 event pairs, 3 based on Foata normal form. 1/66 useless extension candidates. Maximal degree in co-relation 198. Up to 21 conditions per place. [2021-04-28 21:25:51,875 INFO L146 LiptonReduction]: Number of co-enabled transitions 1274 [2021-04-28 21:25:51,971 INFO L158 LiptonReduction]: Checked pairs total: 410 [2021-04-28 21:25:51,971 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:25:51,971 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 119 [2021-04-28 21:25:51,973 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 50 transitions, 165 flow [2021-04-28 21:25:51,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 191.8) internal successors, (959), 5 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:51,974 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:25:51,974 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:25:51,974 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 21:25:51,975 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:25:51,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:25:51,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1893790525, now seen corresponding path program 1 times [2021-04-28 21:25:51,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:25:51,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338982918] [2021-04-28 21:25:51,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:25:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:25:52,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:52,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 21:25:52,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:52,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-28 21:25:52,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:52,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-28 21:25:52,154 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.1 percent of original size [2021-04-28 21:25:52,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-28 21:25:52,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:25:52,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338982918] [2021-04-28 21:25:52,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:25:52,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:25:52,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562862497] [2021-04-28 21:25:52,201 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:25:52,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:25:52,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:25:52,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:25:52,204 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 324 [2021-04-28 21:25:52,206 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 50 transitions, 165 flow. Second operand has 5 states, 5 states have (on average 197.0) internal successors, (985), 5 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:52,206 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:25:52,206 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 324 [2021-04-28 21:25:52,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:25:52,404 INFO L129 PetriNetUnfolder]: 106/274 cut-off events. [2021-04-28 21:25:52,404 INFO L130 PetriNetUnfolder]: For 69/71 co-relation queries the response was YES. [2021-04-28 21:25:52,406 INFO L84 FinitePrefix]: Finished finitePrefix Result has 654 conditions, 274 events. 106/274 cut-off events. For 69/71 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1563 event pairs, 5 based on Foata normal form. 4/188 useless extension candidates. Maximal degree in co-relation 640. Up to 149 conditions per place. [2021-04-28 21:25:52,408 INFO L132 encePairwiseOnDemand]: 315/324 looper letters, 10 selfloop transitions, 18 changer transitions 0/61 dead transitions. [2021-04-28 21:25:52,408 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 61 transitions, 254 flow [2021-04-28 21:25:52,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:25:52,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:25:52,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1001 transitions. [2021-04-28 21:25:52,414 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6179012345679012 [2021-04-28 21:25:52,414 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1001 transitions. [2021-04-28 21:25:52,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1001 transitions. [2021-04-28 21:25:52,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:25:52,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1001 transitions. [2021-04-28 21:25:52,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 200.2) internal successors, (1001), 5 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:52,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 324.0) internal successors, (1944), 6 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:52,425 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 324.0) internal successors, (1944), 6 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:52,425 INFO L185 Difference]: Start difference. First operand has 56 places, 50 transitions, 165 flow. Second operand 5 states and 1001 transitions. [2021-04-28 21:25:52,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 61 transitions, 254 flow [2021-04-28 21:25:52,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 61 transitions, 254 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 21:25:52,429 INFO L241 Difference]: Finished difference. Result has 62 places, 58 transitions, 251 flow [2021-04-28 21:25:52,429 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=251, PETRI_PLACES=62, PETRI_TRANSITIONS=58} [2021-04-28 21:25:52,430 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -67 predicate places. [2021-04-28 21:25:52,430 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:25:52,430 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 58 transitions, 251 flow [2021-04-28 21:25:52,430 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 58 transitions, 251 flow [2021-04-28 21:25:52,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 58 transitions, 251 flow [2021-04-28 21:25:52,475 INFO L129 PetriNetUnfolder]: 77/262 cut-off events. [2021-04-28 21:25:52,476 INFO L130 PetriNetUnfolder]: For 130/131 co-relation queries the response was YES. [2021-04-28 21:25:52,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 642 conditions, 262 events. 77/262 cut-off events. For 130/131 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1662 event pairs, 19 based on Foata normal form. 1/156 useless extension candidates. Maximal degree in co-relation 626. Up to 72 conditions per place. [2021-04-28 21:25:52,484 INFO L146 LiptonReduction]: Number of co-enabled transitions 1512 [2021-04-28 21:25:52,492 INFO L158 LiptonReduction]: Checked pairs total: 258 [2021-04-28 21:25:52,492 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:25:52,493 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63 [2021-04-28 21:25:52,494 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 58 transitions, 251 flow [2021-04-28 21:25:52,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 197.0) internal successors, (985), 5 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:52,495 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:25:52,495 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:25:52,496 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 21:25:52,496 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:25:52,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:25:52,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1260514703, now seen corresponding path program 2 times [2021-04-28 21:25:52,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:25:52,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564427654] [2021-04-28 21:25:52,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:25:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:25:52,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:52,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:25:52,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:52,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 21:25:52,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:52,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 21:25:52,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:52,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 21:25:52,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:25:52,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564427654] [2021-04-28 21:25:52,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:25:52,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 21:25:52,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384959551] [2021-04-28 21:25:52,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 21:25:52,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:25:52,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 21:25:52,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 21:25:52,726 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 324 [2021-04-28 21:25:52,728 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 58 transitions, 251 flow. Second operand has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:52,728 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:25:52,728 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 324 [2021-04-28 21:25:52,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:25:52,968 INFO L129 PetriNetUnfolder]: 97/327 cut-off events. [2021-04-28 21:25:52,969 INFO L130 PetriNetUnfolder]: For 223/233 co-relation queries the response was YES. [2021-04-28 21:25:52,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 947 conditions, 327 events. 97/327 cut-off events. For 223/233 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2269 event pairs, 3 based on Foata normal form. 10/215 useless extension candidates. Maximal degree in co-relation 929. Up to 92 conditions per place. [2021-04-28 21:25:52,974 INFO L132 encePairwiseOnDemand]: 316/324 looper letters, 9 selfloop transitions, 25 changer transitions 0/67 dead transitions. [2021-04-28 21:25:52,974 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 67 transitions, 370 flow [2021-04-28 21:25:52,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:25:52,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:25:52,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 976 transitions. [2021-04-28 21:25:52,979 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6024691358024692 [2021-04-28 21:25:52,979 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 976 transitions. [2021-04-28 21:25:52,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 976 transitions. [2021-04-28 21:25:52,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:25:52,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 976 transitions. [2021-04-28 21:25:52,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 195.2) internal successors, (976), 5 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:52,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 324.0) internal successors, (1944), 6 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:52,988 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 324.0) internal successors, (1944), 6 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:52,988 INFO L185 Difference]: Start difference. First operand has 62 places, 58 transitions, 251 flow. Second operand 5 states and 976 transitions. [2021-04-28 21:25:52,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 67 transitions, 370 flow [2021-04-28 21:25:52,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 67 transitions, 345 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-04-28 21:25:52,993 INFO L241 Difference]: Finished difference. Result has 66 places, 65 transitions, 346 flow [2021-04-28 21:25:52,994 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=346, PETRI_PLACES=66, PETRI_TRANSITIONS=65} [2021-04-28 21:25:52,994 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -63 predicate places. [2021-04-28 21:25:52,994 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:25:52,994 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 65 transitions, 346 flow [2021-04-28 21:25:52,995 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 65 transitions, 346 flow [2021-04-28 21:25:52,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 65 transitions, 346 flow [2021-04-28 21:25:53,042 INFO L129 PetriNetUnfolder]: 67/282 cut-off events. [2021-04-28 21:25:53,042 INFO L130 PetriNetUnfolder]: For 259/264 co-relation queries the response was YES. [2021-04-28 21:25:53,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 777 conditions, 282 events. 67/282 cut-off events. For 259/264 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2029 event pairs, 19 based on Foata normal form. 5/171 useless extension candidates. Maximal degree in co-relation 759. Up to 76 conditions per place. [2021-04-28 21:25:53,050 INFO L146 LiptonReduction]: Number of co-enabled transitions 1636 [2021-04-28 21:25:53,091 INFO L158 LiptonReduction]: Checked pairs total: 304 [2021-04-28 21:25:53,092 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:25:53,092 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 98 [2021-04-28 21:25:53,093 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 65 transitions, 346 flow [2021-04-28 21:25:53,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:53,094 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:25:53,094 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:25:53,094 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 21:25:53,094 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:25:53,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:25:53,095 INFO L82 PathProgramCache]: Analyzing trace with hash 434356690, now seen corresponding path program 1 times [2021-04-28 21:25:53,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:25:53,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175647686] [2021-04-28 21:25:53,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:25:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:25:53,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:53,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 21:25:53,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:53,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 21:25:53,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:53,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:25:53,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:53,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:25:53,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:53,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 21:25:53,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:25:53,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175647686] [2021-04-28 21:25:53,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:25:53,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 21:25:53,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555338601] [2021-04-28 21:25:53,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 21:25:53,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:25:53,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 21:25:53,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 21:25:53,263 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 324 [2021-04-28 21:25:53,264 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 65 transitions, 346 flow. Second operand has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:53,265 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:25:53,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 324 [2021-04-28 21:25:53,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:25:53,526 INFO L129 PetriNetUnfolder]: 95/397 cut-off events. [2021-04-28 21:25:53,527 INFO L130 PetriNetUnfolder]: For 369/381 co-relation queries the response was YES. [2021-04-28 21:25:53,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1190 conditions, 397 events. 95/397 cut-off events. For 369/381 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 3186 event pairs, 3 based on Foata normal form. 10/253 useless extension candidates. Maximal degree in co-relation 1170. Up to 100 conditions per place. [2021-04-28 21:25:53,532 INFO L132 encePairwiseOnDemand]: 315/324 looper letters, 9 selfloop transitions, 29 changer transitions 0/71 dead transitions. [2021-04-28 21:25:53,533 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 71 transitions, 456 flow [2021-04-28 21:25:53,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 21:25:53,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 21:25:53,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1171 transitions. [2021-04-28 21:25:53,539 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.602366255144033 [2021-04-28 21:25:53,539 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1171 transitions. [2021-04-28 21:25:53,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1171 transitions. [2021-04-28 21:25:53,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:25:53,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1171 transitions. [2021-04-28 21:25:53,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 195.16666666666666) internal successors, (1171), 6 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:53,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 324.0) internal successors, (2268), 7 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:53,548 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 324.0) internal successors, (2268), 7 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:53,548 INFO L185 Difference]: Start difference. First operand has 66 places, 65 transitions, 346 flow. Second operand 6 states and 1171 transitions. [2021-04-28 21:25:53,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 71 transitions, 456 flow [2021-04-28 21:25:53,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 71 transitions, 440 flow, removed 8 selfloop flow, removed 0 redundant places. [2021-04-28 21:25:53,555 INFO L241 Difference]: Finished difference. Result has 73 places, 69 transitions, 447 flow [2021-04-28 21:25:53,555 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=447, PETRI_PLACES=73, PETRI_TRANSITIONS=69} [2021-04-28 21:25:53,555 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -56 predicate places. [2021-04-28 21:25:53,555 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:25:53,555 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 69 transitions, 447 flow [2021-04-28 21:25:53,556 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 69 transitions, 447 flow [2021-04-28 21:25:53,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 69 transitions, 447 flow [2021-04-28 21:25:53,617 INFO L129 PetriNetUnfolder]: 69/362 cut-off events. [2021-04-28 21:25:53,617 INFO L130 PetriNetUnfolder]: For 437/438 co-relation queries the response was YES. [2021-04-28 21:25:53,620 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1126 conditions, 362 events. 69/362 cut-off events. For 437/438 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 3015 event pairs, 19 based on Foata normal form. 1/212 useless extension candidates. Maximal degree in co-relation 1104. Up to 88 conditions per place. [2021-04-28 21:25:53,628 INFO L146 LiptonReduction]: Number of co-enabled transitions 1712 [2021-04-28 21:25:53,638 INFO L158 LiptonReduction]: Checked pairs total: 424 [2021-04-28 21:25:53,638 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:25:53,638 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 83 [2021-04-28 21:25:53,640 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 69 transitions, 447 flow [2021-04-28 21:25:53,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:53,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:25:53,641 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:25:53,641 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 21:25:53,641 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:25:53,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:25:53,641 INFO L82 PathProgramCache]: Analyzing trace with hash 559457502, now seen corresponding path program 2 times [2021-04-28 21:25:53,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:25:53,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095062966] [2021-04-28 21:25:53,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:25:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:25:53,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:53,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 21:25:53,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:53,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:25:53,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:53,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-28 21:25:53,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:53,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-28 21:25:53,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:53,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 21:25:53,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:25:53,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095062966] [2021-04-28 21:25:53,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:25:53,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 21:25:53,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290706406] [2021-04-28 21:25:53,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 21:25:53,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:25:53,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 21:25:53,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-28 21:25:53,852 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 324 [2021-04-28 21:25:53,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 69 transitions, 447 flow. Second operand has 7 states, 7 states have (on average 183.85714285714286) internal successors, (1287), 7 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:53,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:25:53,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 324 [2021-04-28 21:25:53,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:25:54,094 INFO L129 PetriNetUnfolder]: 89/423 cut-off events. [2021-04-28 21:25:54,094 INFO L130 PetriNetUnfolder]: For 583/595 co-relation queries the response was YES. [2021-04-28 21:25:54,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1452 conditions, 423 events. 89/423 cut-off events. For 583/595 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 3535 event pairs, 3 based on Foata normal form. 10/263 useless extension candidates. Maximal degree in co-relation 1428. Up to 147 conditions per place. [2021-04-28 21:25:54,101 INFO L132 encePairwiseOnDemand]: 315/324 looper letters, 15 selfloop transitions, 24 changer transitions 0/72 dead transitions. [2021-04-28 21:25:54,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 72 transitions, 545 flow [2021-04-28 21:25:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:25:54,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:25:54,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 936 transitions. [2021-04-28 21:25:54,106 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5777777777777777 [2021-04-28 21:25:54,106 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 936 transitions. [2021-04-28 21:25:54,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 936 transitions. [2021-04-28 21:25:54,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:25:54,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 936 transitions. [2021-04-28 21:25:54,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 187.2) internal successors, (936), 5 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:54,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 324.0) internal successors, (1944), 6 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:54,115 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 324.0) internal successors, (1944), 6 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:54,115 INFO L185 Difference]: Start difference. First operand has 73 places, 69 transitions, 447 flow. Second operand 5 states and 936 transitions. [2021-04-28 21:25:54,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 72 transitions, 545 flow [2021-04-28 21:25:54,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 72 transitions, 512 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-04-28 21:25:54,122 INFO L241 Difference]: Finished difference. Result has 75 places, 70 transitions, 482 flow [2021-04-28 21:25:54,122 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=482, PETRI_PLACES=75, PETRI_TRANSITIONS=70} [2021-04-28 21:25:54,123 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -54 predicate places. [2021-04-28 21:25:54,123 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:25:54,123 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 70 transitions, 482 flow [2021-04-28 21:25:54,123 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 70 transitions, 482 flow [2021-04-28 21:25:54,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 70 transitions, 482 flow [2021-04-28 21:25:54,185 INFO L129 PetriNetUnfolder]: 63/370 cut-off events. [2021-04-28 21:25:54,186 INFO L130 PetriNetUnfolder]: For 530/533 co-relation queries the response was YES. [2021-04-28 21:25:54,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1171 conditions, 370 events. 63/370 cut-off events. For 530/533 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 3154 event pairs, 19 based on Foata normal form. 3/215 useless extension candidates. Maximal degree in co-relation 1148. Up to 92 conditions per place. [2021-04-28 21:25:54,197 INFO L146 LiptonReduction]: Number of co-enabled transitions 1730 [2021-04-28 21:25:54,242 INFO L158 LiptonReduction]: Checked pairs total: 456 [2021-04-28 21:25:54,242 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:25:54,242 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 119 [2021-04-28 21:25:54,243 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 70 transitions, 482 flow [2021-04-28 21:25:54,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 183.85714285714286) internal successors, (1287), 7 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:54,244 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:25:54,244 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:25:54,245 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 21:25:54,245 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:25:54,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:25:54,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1100766098, now seen corresponding path program 3 times [2021-04-28 21:25:54,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:25:54,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180110797] [2021-04-28 21:25:54,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:25:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:25:54,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:54,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:25:54,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:54,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 21:25:54,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:54,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 21:25:54,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:54,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 21:25:54,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:54,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 21:25:54,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:25:54,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180110797] [2021-04-28 21:25:54,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:25:54,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 21:25:54,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182281563] [2021-04-28 21:25:54,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 21:25:54,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:25:54,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 21:25:54,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-04-28 21:25:54,499 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 324 [2021-04-28 21:25:54,501 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 70 transitions, 482 flow. Second operand has 7 states, 7 states have (on average 191.85714285714286) internal successors, (1343), 7 states have internal predecessors, (1343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:54,501 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:25:54,501 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 324 [2021-04-28 21:25:54,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:25:54,785 INFO L129 PetriNetUnfolder]: 86/391 cut-off events. [2021-04-28 21:25:54,785 INFO L130 PetriNetUnfolder]: For 670/690 co-relation queries the response was YES. [2021-04-28 21:25:54,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1431 conditions, 391 events. 86/391 cut-off events. For 670/690 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 3136 event pairs, 11 based on Foata normal form. 11/245 useless extension candidates. Maximal degree in co-relation 1406. Up to 148 conditions per place. [2021-04-28 21:25:54,792 INFO L132 encePairwiseOnDemand]: 315/324 looper letters, 12 selfloop transitions, 27 changer transitions 0/72 dead transitions. [2021-04-28 21:25:54,792 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 72 transitions, 572 flow [2021-04-28 21:25:54,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:25:54,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:25:54,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 976 transitions. [2021-04-28 21:25:54,798 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6024691358024692 [2021-04-28 21:25:54,798 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 976 transitions. [2021-04-28 21:25:54,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 976 transitions. [2021-04-28 21:25:54,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:25:54,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 976 transitions. [2021-04-28 21:25:54,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 195.2) internal successors, (976), 5 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:54,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 324.0) internal successors, (1944), 6 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:54,806 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 324.0) internal successors, (1944), 6 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:54,806 INFO L185 Difference]: Start difference. First operand has 75 places, 70 transitions, 482 flow. Second operand 5 states and 976 transitions. [2021-04-28 21:25:54,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 72 transitions, 572 flow [2021-04-28 21:25:54,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 72 transitions, 532 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 21:25:54,814 INFO L241 Difference]: Finished difference. Result has 77 places, 70 transitions, 521 flow [2021-04-28 21:25:54,814 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=521, PETRI_PLACES=77, PETRI_TRANSITIONS=70} [2021-04-28 21:25:54,814 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -52 predicate places. [2021-04-28 21:25:54,814 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:25:54,815 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 70 transitions, 521 flow [2021-04-28 21:25:54,815 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 70 transitions, 521 flow [2021-04-28 21:25:54,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 70 transitions, 521 flow [2021-04-28 21:25:54,905 INFO L129 PetriNetUnfolder]: 62/367 cut-off events. [2021-04-28 21:25:54,905 INFO L130 PetriNetUnfolder]: For 725/736 co-relation queries the response was YES. [2021-04-28 21:25:54,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1221 conditions, 367 events. 62/367 cut-off events. For 725/736 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 3130 event pairs, 17 based on Foata normal form. 3/212 useless extension candidates. Maximal degree in co-relation 1197. Up to 90 conditions per place. [2021-04-28 21:25:54,916 INFO L146 LiptonReduction]: Number of co-enabled transitions 1728 [2021-04-28 21:25:54,923 INFO L158 LiptonReduction]: Checked pairs total: 449 [2021-04-28 21:25:54,923 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:25:54,923 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 109 [2021-04-28 21:25:54,924 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 70 transitions, 521 flow [2021-04-28 21:25:54,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 191.85714285714286) internal successors, (1343), 7 states have internal predecessors, (1343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:54,925 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:25:54,926 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:25:54,926 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 21:25:54,926 INFO L428 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:25:54,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:25:54,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1425420752, now seen corresponding path program 1 times [2021-04-28 21:25:54,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:25:54,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879250631] [2021-04-28 21:25:54,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:25:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:25:55,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:55,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:25:55,024 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:25:55,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:25:55,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:55,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:25:55,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:25:55,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879250631] [2021-04-28 21:25:55,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:25:55,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:25:55,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104854994] [2021-04-28 21:25:55,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:25:55,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:25:55,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:25:55,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:25:55,056 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 324 [2021-04-28 21:25:55,057 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 70 transitions, 521 flow. Second operand has 4 states, 4 states have (on average 225.75) internal successors, (903), 4 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:55,057 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:25:55,057 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 324 [2021-04-28 21:25:55,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:25:56,564 INFO L129 PetriNetUnfolder]: 4865/9034 cut-off events. [2021-04-28 21:25:56,565 INFO L130 PetriNetUnfolder]: For 3212/6231 co-relation queries the response was YES. [2021-04-28 21:25:56,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19805 conditions, 9034 events. 4865/9034 cut-off events. For 3212/6231 co-relation queries the response was YES. Maximal size of possible extension queue 2718. Compared 93518 event pairs, 1818 based on Foata normal form. 309/2304 useless extension candidates. Maximal degree in co-relation 19779. Up to 5608 conditions per place. [2021-04-28 21:25:56,641 INFO L132 encePairwiseOnDemand]: 307/324 looper letters, 30 selfloop transitions, 27 changer transitions 3/105 dead transitions. [2021-04-28 21:25:56,641 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 105 transitions, 705 flow [2021-04-28 21:25:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:25:56,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:25:56,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1179 transitions. [2021-04-28 21:25:56,647 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7277777777777777 [2021-04-28 21:25:56,647 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1179 transitions. [2021-04-28 21:25:56,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1179 transitions. [2021-04-28 21:25:56,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:25:56,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1179 transitions. [2021-04-28 21:25:56,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 235.8) internal successors, (1179), 5 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:56,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 324.0) internal successors, (1944), 6 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:56,657 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 324.0) internal successors, (1944), 6 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:56,657 INFO L185 Difference]: Start difference. First operand has 77 places, 70 transitions, 521 flow. Second operand 5 states and 1179 transitions. [2021-04-28 21:25:56,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 105 transitions, 705 flow [2021-04-28 21:25:56,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 105 transitions, 645 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-04-28 21:25:56,677 INFO L241 Difference]: Finished difference. Result has 80 places, 92 transitions, 643 flow [2021-04-28 21:25:56,678 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=643, PETRI_PLACES=80, PETRI_TRANSITIONS=92} [2021-04-28 21:25:56,678 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -49 predicate places. [2021-04-28 21:25:56,678 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:25:56,679 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 92 transitions, 643 flow [2021-04-28 21:25:56,679 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 92 transitions, 643 flow [2021-04-28 21:25:56,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 92 transitions, 643 flow [2021-04-28 21:25:57,777 INFO L129 PetriNetUnfolder]: 4148/7906 cut-off events. [2021-04-28 21:25:57,777 INFO L130 PetriNetUnfolder]: For 4321/10258 co-relation queries the response was YES. [2021-04-28 21:25:57,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23122 conditions, 7906 events. 4148/7906 cut-off events. For 4321/10258 co-relation queries the response was YES. Maximal size of possible extension queue 2142. Compared 80708 event pairs, 1641 based on Foata normal form. 43/2174 useless extension candidates. Maximal degree in co-relation 23095. Up to 6713 conditions per place. [2021-04-28 21:25:57,923 INFO L146 LiptonReduction]: Number of co-enabled transitions 2418 [2021-04-28 21:25:57,952 INFO L158 LiptonReduction]: Checked pairs total: 474 [2021-04-28 21:25:57,952 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:25:57,952 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1274 [2021-04-28 21:25:57,953 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 92 transitions, 643 flow [2021-04-28 21:25:57,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 225.75) internal successors, (903), 4 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:57,954 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:25:57,954 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:25:57,955 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 21:25:57,955 INFO L428 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:25:57,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:25:57,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1078085339, now seen corresponding path program 1 times [2021-04-28 21:25:57,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:25:57,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19104723] [2021-04-28 21:25:57,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:25:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:25:58,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:58,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:25:58,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:58,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:25:58,091 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:25:58,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:25:58,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:25:58,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:25:58,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:25:58,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19104723] [2021-04-28 21:25:58,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:25:58,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 21:25:58,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745597940] [2021-04-28 21:25:58,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:25:58,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:25:58,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:25:58,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:25:58,114 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 324 [2021-04-28 21:25:58,116 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 92 transitions, 643 flow. Second operand has 5 states, 5 states have (on average 225.8) internal successors, (1129), 5 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:58,116 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:25:58,116 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 324 [2021-04-28 21:25:58,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:25:59,808 INFO L129 PetriNetUnfolder]: 3854/8623 cut-off events. [2021-04-28 21:25:59,808 INFO L130 PetriNetUnfolder]: For 9605/174481 co-relation queries the response was YES. [2021-04-28 21:25:59,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32705 conditions, 8623 events. 3854/8623 cut-off events. For 9605/174481 co-relation queries the response was YES. Maximal size of possible extension queue 3150. Compared 101076 event pairs, 225 based on Foata normal form. 457/2694 useless extension candidates. Maximal degree in co-relation 32676. Up to 7298 conditions per place. [2021-04-28 21:25:59,907 INFO L132 encePairwiseOnDemand]: 307/324 looper letters, 20 selfloop transitions, 52 changer transitions 9/121 dead transitions. [2021-04-28 21:25:59,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 121 transitions, 933 flow [2021-04-28 21:25:59,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 21:25:59,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 21:25:59,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1653 transitions. [2021-04-28 21:25:59,916 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7288359788359788 [2021-04-28 21:25:59,916 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1653 transitions. [2021-04-28 21:25:59,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1653 transitions. [2021-04-28 21:25:59,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:25:59,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1653 transitions. [2021-04-28 21:25:59,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 236.14285714285714) internal successors, (1653), 7 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:59,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 324.0) internal successors, (2592), 8 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:59,938 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 324.0) internal successors, (2592), 8 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:25:59,938 INFO L185 Difference]: Start difference. First operand has 80 places, 92 transitions, 643 flow. Second operand 7 states and 1653 transitions. [2021-04-28 21:25:59,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 121 transitions, 933 flow [2021-04-28 21:25:59,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 121 transitions, 904 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-04-28 21:25:59,998 INFO L241 Difference]: Finished difference. Result has 86 places, 110 transitions, 884 flow [2021-04-28 21:25:59,999 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=547, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=884, PETRI_PLACES=86, PETRI_TRANSITIONS=110} [2021-04-28 21:25:59,999 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -43 predicate places. [2021-04-28 21:25:59,999 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:25:59,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 110 transitions, 884 flow [2021-04-28 21:26:00,000 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 110 transitions, 884 flow [2021-04-28 21:26:00,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 110 transitions, 884 flow [2021-04-28 21:26:00,869 INFO L129 PetriNetUnfolder]: 2687/6461 cut-off events. [2021-04-28 21:26:00,869 INFO L130 PetriNetUnfolder]: For 10988/16258 co-relation queries the response was YES. [2021-04-28 21:26:00,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28654 conditions, 6461 events. 2687/6461 cut-off events. For 10988/16258 co-relation queries the response was YES. Maximal size of possible extension queue 2252. Compared 78091 event pairs, 227 based on Foata normal form. 20/1697 useless extension candidates. Maximal degree in co-relation 28623. Up to 5657 conditions per place. [2021-04-28 21:26:00,992 INFO L146 LiptonReduction]: Number of co-enabled transitions 2788 [2021-04-28 21:26:01,013 INFO L158 LiptonReduction]: Checked pairs total: 459 [2021-04-28 21:26:01,013 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:26:01,013 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1014 [2021-04-28 21:26:01,014 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 110 transitions, 884 flow [2021-04-28 21:26:01,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 225.8) internal successors, (1129), 5 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:26:01,016 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:26:01,016 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:26:01,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 21:26:01,016 INFO L428 AbstractCegarLoop]: === Iteration 12 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:26:01,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:26:01,017 INFO L82 PathProgramCache]: Analyzing trace with hash -27496395, now seen corresponding path program 1 times [2021-04-28 21:26:01,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:26:01,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317387865] [2021-04-28 21:26:01,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:26:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:26:01,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:26:01,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:26:01,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:26:01,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:26:01,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:26:01,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317387865] [2021-04-28 21:26:01,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:26:01,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 21:26:01,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796067488] [2021-04-28 21:26:01,075 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:26:01,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:26:01,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:26:01,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:26:01,077 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 324 [2021-04-28 21:26:01,078 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 110 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:26:01,078 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:26:01,078 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 324 [2021-04-28 21:26:01,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:26:02,939 INFO L129 PetriNetUnfolder]: 5026/11962 cut-off events. [2021-04-28 21:26:02,939 INFO L130 PetriNetUnfolder]: For 31147/166381 co-relation queries the response was YES. [2021-04-28 21:26:03,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53143 conditions, 11962 events. 5026/11962 cut-off events. For 31147/166381 co-relation queries the response was YES. Maximal size of possible extension queue 4431. Compared 152791 event pairs, 432 based on Foata normal form. 102/3012 useless extension candidates. Maximal degree in co-relation 53110. Up to 10586 conditions per place. [2021-04-28 21:26:03,061 INFO L132 encePairwiseOnDemand]: 321/324 looper letters, 3 selfloop transitions, 3 changer transitions 0/110 dead transitions. [2021-04-28 21:26:03,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 110 transitions, 896 flow [2021-04-28 21:26:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:26:03,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:26:03,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 750 transitions. [2021-04-28 21:26:03,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7716049382716049 [2021-04-28 21:26:03,066 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 750 transitions. [2021-04-28 21:26:03,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 750 transitions. [2021-04-28 21:26:03,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:26:03,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 750 transitions. [2021-04-28 21:26:03,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:26:03,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:26:03,071 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:26:03,071 INFO L185 Difference]: Start difference. First operand has 86 places, 110 transitions, 884 flow. Second operand 3 states and 750 transitions. [2021-04-28 21:26:03,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 110 transitions, 896 flow [2021-04-28 21:26:05,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 110 transitions, 767 flow, removed 42 selfloop flow, removed 3 redundant places. [2021-04-28 21:26:05,719 INFO L241 Difference]: Finished difference. Result has 86 places, 110 transitions, 766 flow [2021-04-28 21:26:05,719 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=755, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=766, PETRI_PLACES=86, PETRI_TRANSITIONS=110} [2021-04-28 21:26:05,719 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -43 predicate places. [2021-04-28 21:26:05,720 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:26:05,720 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 110 transitions, 766 flow [2021-04-28 21:26:05,720 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 110 transitions, 766 flow [2021-04-28 21:26:05,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 110 transitions, 766 flow [2021-04-28 21:26:07,055 INFO L129 PetriNetUnfolder]: 5026/11954 cut-off events. [2021-04-28 21:26:07,055 INFO L130 PetriNetUnfolder]: For 10788/11387 co-relation queries the response was YES. [2021-04-28 21:26:07,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39457 conditions, 11954 events. 5026/11954 cut-off events. For 10788/11387 co-relation queries the response was YES. Maximal size of possible extension queue 4319. Compared 155010 event pairs, 432 based on Foata normal form. 30/3058 useless extension candidates. Maximal degree in co-relation 39426. Up to 6373 conditions per place. [2021-04-28 21:26:07,223 INFO L146 LiptonReduction]: Number of co-enabled transitions 2786 [2021-04-28 21:26:07,256 INFO L158 LiptonReduction]: Checked pairs total: 459 [2021-04-28 21:26:07,256 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:26:07,256 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1536 [2021-04-28 21:26:07,258 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 110 transitions, 766 flow [2021-04-28 21:26:07,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:26:07,258 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:26:07,258 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:26:07,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 21:26:07,259 INFO L428 AbstractCegarLoop]: === Iteration 13 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:26:07,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:26:07,259 INFO L82 PathProgramCache]: Analyzing trace with hash 935722271, now seen corresponding path program 1 times [2021-04-28 21:26:07,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:26:07,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787178844] [2021-04-28 21:26:07,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:26:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:26:07,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:26:07,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:26:07,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:26:07,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:26:07,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:26:07,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:26:07,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:26:07,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787178844] [2021-04-28 21:26:07,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:26:07,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:26:07,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193476240] [2021-04-28 21:26:07,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:26:07,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:26:07,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:26:07,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:26:07,328 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 324 [2021-04-28 21:26:07,329 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 110 transitions, 766 flow. Second operand has 4 states, 4 states have (on average 236.0) internal successors, (944), 4 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:26:07,330 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:26:07,330 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 324 [2021-04-28 21:26:07,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:26:09,245 INFO L129 PetriNetUnfolder]: 8114/18413 cut-off events. [2021-04-28 21:26:09,246 INFO L130 PetriNetUnfolder]: For 18940/21630 co-relation queries the response was YES. [2021-04-28 21:26:09,323 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61360 conditions, 18413 events. 8114/18413 cut-off events. For 18940/21630 co-relation queries the response was YES. Maximal size of possible extension queue 5937. Compared 241458 event pairs, 864 based on Foata normal form. 114/4779 useless extension candidates. Maximal degree in co-relation 61327. Up to 9343 conditions per place. [2021-04-28 21:26:09,361 INFO L132 encePairwiseOnDemand]: 321/324 looper letters, 4 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2021-04-28 21:26:09,361 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 112 transitions, 792 flow [2021-04-28 21:26:09,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:26:09,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:26:09,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 947 transitions. [2021-04-28 21:26:09,367 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7307098765432098 [2021-04-28 21:26:09,367 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 947 transitions. [2021-04-28 21:26:09,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 947 transitions. [2021-04-28 21:26:09,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:26:09,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 947 transitions. [2021-04-28 21:26:09,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 236.75) internal successors, (947), 4 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:26:09,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 324.0) internal successors, (1620), 5 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:26:09,375 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 324.0) internal successors, (1620), 5 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:26:09,375 INFO L185 Difference]: Start difference. First operand has 86 places, 110 transitions, 766 flow. Second operand 4 states and 947 transitions. [2021-04-28 21:26:09,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 112 transitions, 792 flow [2021-04-28 21:26:13,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 112 transitions, 787 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 21:26:13,565 INFO L241 Difference]: Finished difference. Result has 90 places, 111 transitions, 774 flow [2021-04-28 21:26:13,565 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=761, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=774, PETRI_PLACES=90, PETRI_TRANSITIONS=111} [2021-04-28 21:26:13,565 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -39 predicate places. [2021-04-28 21:26:13,566 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:26:13,566 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 111 transitions, 774 flow [2021-04-28 21:26:13,566 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 111 transitions, 774 flow [2021-04-28 21:26:13,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 111 transitions, 774 flow [2021-04-28 21:26:15,360 INFO L129 PetriNetUnfolder]: 8105/18387 cut-off events. [2021-04-28 21:26:15,361 INFO L130 PetriNetUnfolder]: For 17039/17799 co-relation queries the response was YES. [2021-04-28 21:26:15,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61224 conditions, 18387 events. 8105/18387 cut-off events. For 17039/17799 co-relation queries the response was YES. Maximal size of possible extension queue 5961. Compared 245266 event pairs, 864 based on Foata normal form. 41/4727 useless extension candidates. Maximal degree in co-relation 61191. Up to 9343 conditions per place. [2021-04-28 21:26:15,705 INFO L146 LiptonReduction]: Number of co-enabled transitions 2838 [2021-04-28 21:26:15,737 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 21:26:15,737 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:26:15,737 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2171 [2021-04-28 21:26:15,738 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 111 transitions, 774 flow [2021-04-28 21:26:15,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 236.0) internal successors, (944), 4 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:26:15,739 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:26:15,739 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:26:15,739 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-28 21:26:15,739 INFO L428 AbstractCegarLoop]: === Iteration 14 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:26:15,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:26:15,740 INFO L82 PathProgramCache]: Analyzing trace with hash 276535356, now seen corresponding path program 1 times [2021-04-28 21:26:15,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:26:15,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533811062] [2021-04-28 21:26:15,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:26:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:26:15,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:26:15,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:26:15,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:26:15,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:26:15,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:26:15,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:26:15,880 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:26:15,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:26:15,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:26:15,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:26:15,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:26:15,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533811062] [2021-04-28 21:26:15,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:26:15,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 21:26:15,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761502609] [2021-04-28 21:26:15,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 21:26:15,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:26:15,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 21:26:15,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 21:26:15,912 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 324 [2021-04-28 21:26:15,913 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 111 transitions, 774 flow. Second operand has 6 states, 6 states have (on average 225.83333333333334) internal successors, (1355), 6 states have internal predecessors, (1355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:26:15,913 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:26:15,913 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 324 [2021-04-28 21:26:15,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:26:18,725 INFO L129 PetriNetUnfolder]: 7877/18596 cut-off events. [2021-04-28 21:26:18,725 INFO L130 PetriNetUnfolder]: For 23769/144074 co-relation queries the response was YES. [2021-04-28 21:26:18,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77256 conditions, 18596 events. 7877/18596 cut-off events. For 23769/144074 co-relation queries the response was YES. Maximal size of possible extension queue 6042. Compared 248504 event pairs, 0 based on Foata normal form. 838/5607 useless extension candidates. Maximal degree in co-relation 77221. Up to 11286 conditions per place. [2021-04-28 21:26:18,825 INFO L132 encePairwiseOnDemand]: 307/324 looper letters, 5 selfloop transitions, 61 changer transitions 41/130 dead transitions. [2021-04-28 21:26:18,826 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 130 transitions, 1073 flow [2021-04-28 21:26:18,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 21:26:18,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 21:26:18,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2109 transitions. [2021-04-28 21:26:18,835 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7232510288065843 [2021-04-28 21:26:18,835 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2109 transitions. [2021-04-28 21:26:18,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2109 transitions. [2021-04-28 21:26:18,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:26:18,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2109 transitions. [2021-04-28 21:26:18,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 234.33333333333334) internal successors, (2109), 9 states have internal predecessors, (2109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:26:18,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 324.0) internal successors, (3240), 10 states have internal predecessors, (3240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:26:18,849 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 324.0) internal successors, (3240), 10 states have internal predecessors, (3240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:26:18,849 INFO L185 Difference]: Start difference. First operand has 90 places, 111 transitions, 774 flow. Second operand 9 states and 2109 transitions. [2021-04-28 21:26:18,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 130 transitions, 1073 flow [2021-04-28 21:26:22,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 130 transitions, 1041 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-04-28 21:26:22,990 INFO L241 Difference]: Finished difference. Result has 98 places, 87 transitions, 704 flow [2021-04-28 21:26:22,990 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=704, PETRI_PLACES=98, PETRI_TRANSITIONS=87} [2021-04-28 21:26:22,990 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -31 predicate places. [2021-04-28 21:26:22,990 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:26:22,991 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 87 transitions, 704 flow [2021-04-28 21:26:22,991 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 87 transitions, 704 flow [2021-04-28 21:26:22,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 87 transitions, 704 flow [2021-04-28 21:26:23,233 INFO L129 PetriNetUnfolder]: 817/3187 cut-off events. [2021-04-28 21:26:23,233 INFO L130 PetriNetUnfolder]: For 4923/7068 co-relation queries the response was YES. [2021-04-28 21:26:23,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14245 conditions, 3187 events. 817/3187 cut-off events. For 4923/7068 co-relation queries the response was YES. Maximal size of possible extension queue 1101. Compared 41774 event pairs, 0 based on Foata normal form. 3/931 useless extension candidates. Maximal degree in co-relation 14210. Up to 2196 conditions per place. [2021-04-28 21:26:23,279 INFO L146 LiptonReduction]: Number of co-enabled transitions 1306 [2021-04-28 21:26:23,854 INFO L158 LiptonReduction]: Checked pairs total: 110 [2021-04-28 21:26:23,854 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 21:26:23,854 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 864 [2021-04-28 21:26:23,856 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 87 transitions, 708 flow [2021-04-28 21:26:23,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 225.83333333333334) internal successors, (1355), 6 states have internal predecessors, (1355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:26:23,856 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:26:23,856 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:26:23,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-28 21:26:23,857 INFO L428 AbstractCegarLoop]: === Iteration 15 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:26:23,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:26:23,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1720164387, now seen corresponding path program 1 times [2021-04-28 21:26:23,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:26:23,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557475079] [2021-04-28 21:26:23,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:26:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 21:26:23,905 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 21:26:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 21:26:23,954 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 21:26:23,992 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 21:26:23,993 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 21:26:23,993 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-28 21:26:24,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 09:26:24 BasicIcfg [2021-04-28 21:26:24,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 21:26:24,092 INFO L168 Benchmark]: Toolchain (without parser) took 127507.16 ms. Allocated memory was 302.0 MB in the beginning and 4.4 GB in the end (delta: 4.1 GB). Free memory was 277.2 MB in the beginning and 3.7 GB in the end (delta: -3.4 GB). Peak memory consumption was 662.2 MB. Max. memory is 16.0 GB. [2021-04-28 21:26:24,093 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 302.0 MB. Free memory is still 271.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 21:26:24,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 982.36 ms. Allocated memory is still 302.0 MB. Free memory was 274.1 MB in the beginning and 276.3 MB in the end (delta: -2.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-04-28 21:26:24,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.75 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 273.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 21:26:24,094 INFO L168 Benchmark]: Boogie Preprocessor took 50.87 ms. Allocated memory is still 302.0 MB. Free memory was 273.2 MB in the beginning and 271.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 21:26:24,094 INFO L168 Benchmark]: RCFGBuilder took 2526.48 ms. Allocated memory was 302.0 MB in the beginning and 388.0 MB in the end (delta: 86.0 MB). Free memory was 271.1 MB in the beginning and 323.4 MB in the end (delta: -52.3 MB). Peak memory consumption was 161.6 MB. Max. memory is 16.0 GB. [2021-04-28 21:26:24,094 INFO L168 Benchmark]: TraceAbstraction took 123814.13 ms. Allocated memory was 388.0 MB in the beginning and 4.4 GB in the end (delta: 4.0 GB). Free memory was 322.4 MB in the beginning and 3.7 GB in the end (delta: -3.4 GB). Peak memory consumption was 618.1 MB. Max. memory is 16.0 GB. [2021-04-28 21:26:24,098 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 302.0 MB. Free memory is still 271.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 982.36 ms. Allocated memory is still 302.0 MB. Free memory was 274.1 MB in the beginning and 276.3 MB in the end (delta: -2.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 82.75 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 273.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 50.87 ms. Allocated memory is still 302.0 MB. Free memory was 273.2 MB in the beginning and 271.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2526.48 ms. Allocated memory was 302.0 MB in the beginning and 388.0 MB in the end (delta: 86.0 MB). Free memory was 271.1 MB in the beginning and 323.4 MB in the end (delta: -52.3 MB). Peak memory consumption was 161.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 123814.13 ms. Allocated memory was 388.0 MB in the beginning and 4.4 GB in the end (delta: 4.0 GB). Free memory was 322.4 MB in the beginning and 3.7 GB in the end (delta: -3.4 GB). Peak memory consumption was 618.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 88227.4ms, 105 PlacesBefore, 129 PlacesAfterwards, 97 TransitionsBefore, 121 TransitionsAfterwards, 1738 CoEnabledTransitionPairs, 8 FixpointIterations, 140 TrivialSequentialCompositions, 82 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 223 TotalNumberOfCompositions, 14838 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3572, positive: 3324, positive conditional: 3324, positive unconditional: 0, negative: 248, negative conditional: 248, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1919, positive: 1843, positive conditional: 0, positive unconditional: 1843, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1919, positive: 1843, positive conditional: 0, positive unconditional: 1843, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1919, positive: 1826, positive conditional: 0, positive unconditional: 1826, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 93, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2186, positive: 245, positive conditional: 0, positive unconditional: 245, negative: 1941, negative conditional: 0, negative unconditional: 1941, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3572, positive: 1481, positive conditional: 1481, positive unconditional: 0, negative: 172, negative conditional: 172, negative unconditional: 0, unknown: 1919, unknown conditional: 1919, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1919, Positive cache size: 1843, Positive conditional cache size: 1843, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 331.2ms, 125 PlacesBefore, 50 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 972 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 906 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 236, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 109, positive: 91, positive conditional: 8, positive unconditional: 83, negative: 18, negative conditional: 2, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 109, positive: 91, positive conditional: 8, positive unconditional: 83, negative: 18, negative conditional: 2, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 109, positive: 91, positive conditional: 0, positive unconditional: 91, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 18, negative conditional: 2, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 311, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 311, negative conditional: 59, negative unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 236, positive: 113, positive conditional: 113, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2028, Positive cache size: 1934, Positive conditional cache size: 1934, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 703.6ms, 51 PlacesBefore, 51 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 1058 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1356 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 240, positive: 193, positive conditional: 193, positive unconditional: 0, negative: 47, negative conditional: 47, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52, positive: 41, positive conditional: 2, positive unconditional: 39, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 52, positive: 41, positive conditional: 2, positive unconditional: 39, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 52, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 437, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 377, negative conditional: 0, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 240, positive: 152, positive conditional: 152, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 52, unknown conditional: 52, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2080, Positive cache size: 1975, Positive conditional cache size: 1975, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 333.2ms, 53 PlacesBefore, 53 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 1048 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 597 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 317, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 317, negative conditional: 0, negative unconditional: 317, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, positive: 35, positive conditional: 35, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2090, Positive cache size: 1979, Positive conditional cache size: 1979, Positive unconditional cache size: 0, Negative cache size: 111, Negative conditional cache size: 111, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 118.5ms, 56 PlacesBefore, 56 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 1274 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 410 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 65, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 65, positive: 38, positive conditional: 38, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2108, Positive cache size: 1993, Positive conditional cache size: 1993, Positive unconditional cache size: 0, Negative cache size: 115, Negative conditional cache size: 115, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61.9ms, 62 PlacesBefore, 62 PlacesAfterwards, 58 TransitionsBefore, 58 TransitionsAfterwards, 1512 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 258 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 85, positive: 78, positive conditional: 78, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 9, 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: 10, positive: 10, positive conditional: 9, 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: 10, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 85, positive: 68, positive conditional: 68, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2118, Positive cache size: 2003, Positive conditional cache size: 2003, Positive unconditional cache size: 0, Negative cache size: 115, Negative conditional cache size: 115, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 97.1ms, 66 PlacesBefore, 66 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 1636 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 304 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 84, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 12, positive unconditional: 3, 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: 16, positive: 15, positive conditional: 12, positive unconditional: 3, 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: 16, positive: 15, positive conditional: 0, positive unconditional: 15, 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: 34, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 84, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2134, Positive cache size: 2018, Positive conditional cache size: 2018, Positive unconditional cache size: 0, Negative cache size: 116, Negative conditional cache size: 116, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 82.7ms, 73 PlacesBefore, 73 PlacesAfterwards, 69 TransitionsBefore, 69 TransitionsAfterwards, 1712 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 424 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 149, positive: 138, positive conditional: 138, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 16, 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: 17, positive: 17, positive conditional: 16, 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: 17, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 149, positive: 121, positive conditional: 121, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2151, Positive cache size: 2035, Positive conditional cache size: 2035, Positive unconditional cache size: 0, Negative cache size: 116, Negative conditional cache size: 116, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 118.6ms, 75 PlacesBefore, 75 PlacesAfterwards, 70 TransitionsBefore, 70 TransitionsAfterwards, 1730 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 456 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 98, positive: 86, positive conditional: 86, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 7, positive unconditional: 0, 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: 8, positive: 7, positive conditional: 7, positive unconditional: 0, 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: 8, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 98, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2159, Positive cache size: 2042, Positive conditional cache size: 2042, Positive unconditional cache size: 0, Negative cache size: 117, Negative conditional cache size: 117, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 108.3ms, 77 PlacesBefore, 77 PlacesAfterwards, 70 TransitionsBefore, 70 TransitionsAfterwards, 1728 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 449 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 152, positive: 140, positive conditional: 140, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 5, 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: 6, positive: 6, positive conditional: 5, 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: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 152, positive: 134, positive conditional: 134, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2165, Positive cache size: 2048, Positive conditional cache size: 2048, Positive unconditional cache size: 0, Negative cache size: 117, Negative conditional cache size: 117, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1272.9ms, 80 PlacesBefore, 80 PlacesAfterwards, 92 TransitionsBefore, 92 TransitionsAfterwards, 2418 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 474 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 221, positive: 212, positive conditional: 212, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, positive: 28, positive conditional: 16, 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: 28, positive: 28, positive conditional: 16, 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: 28, positive: 28, positive conditional: 0, positive unconditional: 28, 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: 221, positive: 184, positive conditional: 184, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2193, Positive cache size: 2076, Positive conditional cache size: 2076, Positive unconditional cache size: 0, Negative cache size: 117, Negative conditional cache size: 117, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1013.4ms, 86 PlacesBefore, 86 PlacesAfterwards, 110 TransitionsBefore, 110 TransitionsAfterwards, 2788 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 459 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 95, positive: 88, positive conditional: 88, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 20, positive conditional: 16, positive unconditional: 4, 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: 20, positive: 20, positive conditional: 16, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20, positive: 20, positive conditional: 0, positive unconditional: 20, 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: 95, positive: 68, positive conditional: 68, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2213, Positive cache size: 2096, Positive conditional cache size: 2096, Positive unconditional cache size: 0, Negative cache size: 117, Negative conditional cache size: 117, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1535.9ms, 86 PlacesBefore, 86 PlacesAfterwards, 110 TransitionsBefore, 110 TransitionsAfterwards, 2786 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 459 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 91, positive: 84, positive conditional: 84, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 14, 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: 15, positive: 15, positive conditional: 14, 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: 15, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 91, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2228, Positive cache size: 2111, Positive conditional cache size: 2111, Positive unconditional cache size: 0, Negative cache size: 117, Negative conditional cache size: 117, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2170.7ms, 90 PlacesBefore, 90 PlacesAfterwards, 111 TransitionsBefore, 111 TransitionsAfterwards, 2838 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , 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: 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] , Statistics on independence cache: Total cache size (in pairs): 2228, Positive cache size: 2111, Positive conditional cache size: 2111, Positive unconditional cache size: 0, Negative cache size: 117, Negative conditional cache size: 117, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 863.5ms, 98 PlacesBefore, 88 PlacesAfterwards, 87 TransitionsBefore, 87 TransitionsAfterwards, 1306 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 110 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 110, positive: 110, positive conditional: 110, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49, positive: 49, positive conditional: 39, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 49, positive: 49, positive conditional: 39, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 49, positive: 49, positive conditional: 0, positive unconditional: 49, 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: 110, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 49, unknown conditional: 49, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2277, Positive cache size: 2160, Positive conditional cache size: 2160, Positive unconditional cache size: 0, Negative cache size: 117, Negative conditional cache size: 117, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L713] 0 int __unbuffered_p2_EBX = 0; [L715] 0 int a = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L722] 0 _Bool y$flush_delayed; [L723] 0 int y$mem_tmp; [L724] 0 _Bool y$r_buff0_thd0; [L725] 0 _Bool y$r_buff0_thd1; [L726] 0 _Bool y$r_buff0_thd2; [L727] 0 _Bool y$r_buff0_thd3; [L728] 0 _Bool y$r_buff1_thd0; [L729] 0 _Bool y$r_buff1_thd1; [L730] 0 _Bool y$r_buff1_thd2; [L731] 0 _Bool y$r_buff1_thd3; [L732] 0 _Bool y$read_delayed; [L733] 0 int *y$read_delayed_var; [L734] 0 int y$w_buff0; [L735] 0 _Bool y$w_buff0_used; [L736] 0 int y$w_buff1; [L737] 0 _Bool y$w_buff1_used; [L739] 0 int z = 0; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L823] 0 pthread_t t1214; [L824] FCALL, FORK 0 pthread_create(&t1214, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L825] 0 pthread_t t1215; [L826] FCALL, FORK 0 pthread_create(&t1215, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L827] 0 pthread_t t1216; [L828] FCALL, FORK 0 pthread_create(&t1216, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L780] 3 y$w_buff1 = y$w_buff0 [L781] 3 y$w_buff0 = 2 [L782] 3 y$w_buff1_used = y$w_buff0_used [L783] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L785] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L786] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L787] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L788] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L789] 3 y$r_buff0_thd3 = (_Bool)1 [L792] 3 z = 1 [L795] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L798] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L745] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L748] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L760] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L763] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L766] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L766] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L766] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L766] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L767] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L767] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L768] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L768] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L769] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L770] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L770] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L801] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L801] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L802] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L802] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L803] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L803] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L804] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L804] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L805] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L805] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L773] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L775] 2 return 0; [L808] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L810] 3 return 0; VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L830] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L834] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L834] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L834] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L834] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L835] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L835] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L836] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L836] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L837] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L837] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L838] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L838] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L841] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L842] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L843] 0 y$flush_delayed = weak$$choice2 [L844] 0 y$mem_tmp = y [L845] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L845] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L846] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L846] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0) [L846] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L846] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L847] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L847] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1) [L847] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L847] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L848] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L848] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used) [L848] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L848] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L849] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L849] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L849] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L849] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L850] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L850] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0) [L850] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L850] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L851] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L851] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L851] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L851] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L852] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L853] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L853] 0 y = y$flush_delayed ? y$mem_tmp : y [L854] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 99 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 16.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 123556.6ms, OverallIterations: 15, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 23696.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 88342.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 67 SDtfs, 61 SDslu, 19 SDs, 0 SdLazy, 545 SolverSat, 215 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1143.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 936.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=884occurred in iteration=11, InterpolantAutomatonStates: 67, 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: 59.2ms SsaConstructionTime, 604.7ms SatisfiabilityAnalysisTime, 1605.2ms InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 1050 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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...