/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/mix018_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 18:21:23,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 18:21:23,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 18:21:23,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 18:21:23,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 18:21:23,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 18:21:23,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 18:21:23,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 18:21:23,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 18:21:23,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 18:21:23,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 18:21:23,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 18:21:23,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 18:21:23,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 18:21:23,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 18:21:23,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 18:21:23,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 18:21:23,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 18:21:23,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 18:21:23,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 18:21:23,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 18:21:23,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 18:21:23,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 18:21:23,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 18:21:23,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 18:21:23,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 18:21:23,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 18:21:23,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 18:21:23,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 18:21:23,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 18:21:23,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 18:21:23,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 18:21:23,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 18:21:23,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 18:21:23,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 18:21:23,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 18:21:23,898 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 18:21:23,924 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 18:21:23,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 18:21:23,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 18:21:23,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 18:21:23,926 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 18:21:23,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 18:21:23,927 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 18:21:23,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 18:21:23,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 18:21:23,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 18:21:23,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 18:21:23,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 18:21:23,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 18:21:23,928 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 18:21:23,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 18:21:23,929 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 18:21:23,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 18:21:23,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 18:21:23,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 18:21:23,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 18:21:23,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 18:21:23,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:21:23,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 18:21:23,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 18:21:23,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 18:21:23,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 18:21:23,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 18:21:23,931 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 18:21:23,932 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 18:21:23,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 18:21:23,932 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 18:21:24,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 18:21:24,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 18:21:24,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 18:21:24,334 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 18:21:24,335 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 18:21:24,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix018_tso.oepc.i [2021-04-28 18:21:24,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f6b04b62/deca4cfe5ce5401fa54a8d9ba9c44861/FLAG7fcdde81c [2021-04-28 18:21:25,131 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 18:21:25,131 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix018_tso.oepc.i [2021-04-28 18:21:25,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f6b04b62/deca4cfe5ce5401fa54a8d9ba9c44861/FLAG7fcdde81c [2021-04-28 18:21:25,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f6b04b62/deca4cfe5ce5401fa54a8d9ba9c44861 [2021-04-28 18:21:25,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 18:21:25,489 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 18:21:25,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 18:21:25,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 18:21:25,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 18:21:25,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:21:25" (1/1) ... [2021-04-28 18:21:25,503 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 06:21:25, skipping insertion in model container [2021-04-28 18:21:25,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:21:25" (1/1) ... [2021-04-28 18:21:25,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 18:21:25,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 18:21:25,806 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/mix018_tso.oepc.i[949,962] [2021-04-28 18:21:26,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:21:26,147 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 18:21:26,162 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/mix018_tso.oepc.i[949,962] [2021-04-28 18:21:26,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:21:26,383 INFO L208 MainTranslator]: Completed translation [2021-04-28 18:21:26,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:21:26 WrapperNode [2021-04-28 18:21:26,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 18:21:26,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 18:21:26,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 18:21:26,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 18:21:26,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:21:26" (1/1) ... [2021-04-28 18:21:26,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:21:26" (1/1) ... [2021-04-28 18:21:26,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 18:21:26,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 18:21:26,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 18:21:26,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 18:21:26,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:21:26" (1/1) ... [2021-04-28 18:21:26,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:21:26" (1/1) ... [2021-04-28 18:21:26,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:21:26" (1/1) ... [2021-04-28 18:21:26,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:21:26" (1/1) ... [2021-04-28 18:21:26,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:21:26" (1/1) ... [2021-04-28 18:21:26,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:21:26" (1/1) ... [2021-04-28 18:21:26,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:21:26" (1/1) ... [2021-04-28 18:21:26,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 18:21:26,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 18:21:26,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 18:21:26,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 18:21:26,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:21:26" (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 18:21:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 18:21:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 18:21:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 18:21:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 18:21:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 18:21:26,667 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 18:21:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 18:21:26,668 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 18:21:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 18:21:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 18:21:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 18:21:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 18:21:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 18:21:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 18:21:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 18:21:26,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 18:21:26,672 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 18:21:29,054 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 18:21:29,054 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 18:21:29,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:21:29 BoogieIcfgContainer [2021-04-28 18:21:29,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 18:21:29,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 18:21:29,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 18:21:29,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 18:21:29,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 06:21:25" (1/3) ... [2021-04-28 18:21:29,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff08fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:21:29, skipping insertion in model container [2021-04-28 18:21:29,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:21:26" (2/3) ... [2021-04-28 18:21:29,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff08fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:21:29, skipping insertion in model container [2021-04-28 18:21:29,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:21:29" (3/3) ... [2021-04-28 18:21:29,065 INFO L111 eAbstractionObserver]: Analyzing ICFG mix018_tso.oepc.i [2021-04-28 18:21:29,073 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 18:21:29,079 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 18:21:29,080 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 18:21:29,120 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,121 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,121 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,121 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,121 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,122 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,122 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,122 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,122 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,123 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,123 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,123 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,123 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,123 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,123 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,124 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,124 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,124 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,127 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,127 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,127 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,128 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,128 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,128 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,129 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,129 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,130 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,130 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,132 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,132 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,132 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,132 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,135 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,135 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,135 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,135 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,135 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,135 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,136 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,136 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,136 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,136 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,136 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,137 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,137 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,137 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,137 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,138 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,138 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,138 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,138 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,138 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,138 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,139 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,139 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,139 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,140 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,140 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,140 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,140 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,141 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,141 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,141 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,141 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,141 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,141 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,142 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,142 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,142 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,142 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,142 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,142 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,143 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,143 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,143 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,144 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,144 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,144 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,144 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,144 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,145 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,145 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,145 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,145 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,147 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,148 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,148 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,148 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,148 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,148 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,149 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,149 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,149 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,149 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,153 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,153 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,153 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,155 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,155 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,158 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,162 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,162 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:21:29,164 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 18:21:29,188 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 18:21:29,229 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 18:21:29,229 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 18:21:29,230 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 18:21:29,230 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 18:21:29,230 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 18:21:29,230 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 18:21:29,230 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 18:21:29,230 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 18:21:29,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 118 transitions, 256 flow [2021-04-28 18:21:29,337 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-04-28 18:21:29,337 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:21:29,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 91 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-04-28 18:21:29,348 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 118 transitions, 256 flow [2021-04-28 18:21:29,358 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 114 transitions, 240 flow [2021-04-28 18:21:29,360 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:21:29,378 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 114 transitions, 240 flow [2021-04-28 18:21:29,382 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 114 transitions, 240 flow [2021-04-28 18:21:29,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 114 transitions, 240 flow [2021-04-28 18:21:29,444 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-04-28 18:21:29,445 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:21:29,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 95 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-04-28 18:21:29,454 INFO L146 LiptonReduction]: Number of co-enabled transitions 2766 [2021-04-28 18:21:33,407 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 18:21:33,934 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 18:21:36,228 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 18:21:37,384 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 18:21:38,918 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:21:39,034 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:21:39,613 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 18:21:39,825 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:21:41,202 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 18:21:41,744 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 18:21:44,218 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 18:21:45,324 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 18:21:46,611 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 234 DAG size of output: 193 [2021-04-28 18:21:47,185 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-04-28 18:21:49,959 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 318 DAG size of output: 274 [2021-04-28 18:21:51,182 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 271 [2021-04-28 18:21:52,595 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 18:21:53,211 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 18:21:56,012 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 316 DAG size of output: 271 [2021-04-28 18:21:57,281 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 18:21:57,442 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 18:21:57,604 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 18:21:58,033 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 18:21:58,459 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 18:22:01,813 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 233 DAG size of output: 193 [2021-04-28 18:22:02,467 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-04-28 18:22:05,649 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 18:22:07,027 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 18:22:08,541 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 18:22:09,204 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 18:22:12,403 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 314 DAG size of output: 269 [2021-04-28 18:22:13,833 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 18:22:15,534 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 18:22:16,268 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 18:22:19,653 WARN L205 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 18:22:21,231 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 18:22:22,961 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 233 DAG size of output: 192 [2021-04-28 18:22:23,708 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 18:22:27,399 WARN L205 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 317 DAG size of output: 272 [2021-04-28 18:22:29,097 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 18:22:35,156 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 18:22:36,764 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2021-04-28 18:22:40,396 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 18:22:42,124 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 18:22:44,096 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 18:22:45,016 WARN L205 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 18:22:49,056 WARN L205 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 18:22:50,903 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 18:22:52,964 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 233 DAG size of output: 192 [2021-04-28 18:22:53,957 WARN L205 SmtUtils]: Spent 989.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 18:22:58,123 WARN L205 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 317 DAG size of output: 272 [2021-04-28 18:23:00,033 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 18:23:04,357 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:23:04,460 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:23:04,567 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:23:04,670 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:23:04,798 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 18:23:04,926 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 18:23:05,064 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 18:23:05,204 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 18:23:05,330 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:23:05,457 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:23:05,574 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:23:05,689 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:23:05,802 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:23:05,919 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:23:06,034 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:23:06,149 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:23:06,314 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:23:06,468 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:23:06,609 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:23:06,745 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:23:06,853 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:23:06,959 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:23:07,065 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:23:07,173 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:23:07,320 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 18:23:07,458 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 18:23:07,605 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 18:23:07,752 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 18:23:07,871 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:23:08,001 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:23:08,132 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:23:08,259 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:23:08,369 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:23:08,480 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:23:08,594 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:23:08,706 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:23:10,652 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-28 18:23:10,762 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-28 18:23:10,868 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-28 18:23:10,975 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-28 18:23:11,086 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 18:23:11,196 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 18:23:11,313 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 18:23:11,424 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 18:23:12,163 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:23:12,268 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:23:12,373 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:23:12,478 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:23:13,634 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:23:13,755 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:23:13,877 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:23:14,001 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:23:14,129 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 18:23:14,258 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 18:23:14,383 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 18:23:14,504 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 18:23:14,614 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:23:14,721 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:23:14,829 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:23:14,935 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:23:15,678 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:23:15,814 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:23:15,923 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:23:16,024 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:23:16,135 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:23:16,247 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:23:16,359 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:23:16,470 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:23:16,672 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:23:17,382 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:23:17,556 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:23:17,735 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:23:17,915 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:23:18,083 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:23:18,239 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:23:18,402 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:23:18,568 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:23:18,732 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:23:18,885 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:23:19,036 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:23:19,182 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:23:19,331 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:23:19,479 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:23:19,621 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:23:19,767 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:23:19,967 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:23:20,165 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:23:20,350 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:23:20,550 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:23:20,731 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:23:20,915 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:23:21,079 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:23:21,248 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:23:21,444 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:23:21,641 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:23:21,839 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:23:22,026 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:23:22,193 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:23:22,360 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:23:22,527 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:23:22,694 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:23:22,850 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:23:22,996 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:23:23,162 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:23:23,324 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:23:23,480 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 18:23:23,604 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 18:23:23,728 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 18:23:23,852 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 18:23:23,995 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:23:24,137 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:23:24,282 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:23:24,425 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:23:24,562 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:23:24,698 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:23:24,835 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:23:24,987 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:23:25,089 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:23:25,190 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:23:25,292 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:23:25,393 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:23:25,613 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:23:25,833 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:23:26,060 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:23:26,286 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:23:26,428 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:23:26,571 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:23:26,713 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:23:26,855 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:23:27,383 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:23:27,584 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:23:27,783 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:23:27,986 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:23:28,117 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:23:28,256 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:23:28,408 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:23:28,560 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:23:28,704 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:23:28,824 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:23:28,944 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:23:29,064 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:23:29,276 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:23:29,521 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:23:29,771 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:23:30,031 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:23:30,366 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:23:30,690 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:23:31,028 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:23:31,370 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:23:31,636 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:23:31,888 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:23:32,163 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:23:32,442 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:23:32,737 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:23:33,018 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:23:33,310 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:23:33,561 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:23:33,832 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:23:34,117 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:23:34,424 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:23:34,706 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:23:35,011 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:23:35,316 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:23:35,616 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:23:35,919 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:23:36,179 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:23:36,439 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:23:36,718 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:23:36,984 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:23:37,281 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:23:37,577 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:23:37,878 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:23:38,180 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:23:38,450 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:23:38,733 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:23:39,030 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:23:39,306 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:23:39,634 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:23:39,956 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:23:40,285 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:23:40,600 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:23:40,905 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:23:41,225 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:23:41,532 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:23:41,840 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:23:42,111 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:23:42,410 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:23:42,720 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:23:43,027 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:23:43,337 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:23:43,646 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:23:43,944 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:23:44,242 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:23:44,570 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:23:44,903 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:23:45,228 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:23:45,573 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:23:45,945 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:23:46,279 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:23:46,609 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:23:46,953 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:23:47,318 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:23:47,687 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:23:48,037 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:23:48,378 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:23:49,395 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 18:23:49,876 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 18:23:50,907 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 18:23:51,356 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 18:23:51,697 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:23:52,045 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:23:52,401 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:23:52,757 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:23:53,098 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:23:53,419 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:23:53,759 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:23:54,105 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:23:54,500 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:23:54,896 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:23:55,261 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:23:55,614 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:23:55,980 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:23:56,321 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:23:56,709 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:23:57,075 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:23:58,054 WARN L205 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 18:23:58,510 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 18:23:59,468 WARN L205 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 18:23:59,914 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 18:24:00,189 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:24:00,466 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:24:00,754 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:24:01,074 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:24:01,340 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:24:01,601 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:24:01,840 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:24:02,094 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:24:02,319 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:24:02,556 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:24:02,797 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:24:03,034 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:24:03,107 INFO L158 LiptonReduction]: Checked pairs total: 27736 [2021-04-28 18:24:03,107 INFO L160 LiptonReduction]: Total number of compositions: 275 [2021-04-28 18:24:03,113 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 153755 [2021-04-28 18:24:03,136 INFO L129 PetriNetUnfolder]: 0/71 cut-off events. [2021-04-28 18:24:03,136 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:24:03,137 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:24:03,137 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 18:24:03,138 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:24:03,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:24:03,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1325825997, now seen corresponding path program 1 times [2021-04-28 18:24:03,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:24:03,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191131587] [2021-04-28 18:24:03,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:24:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:24:03,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:03,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:24:03,505 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 18:24:03,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191131587] [2021-04-28 18:24:03,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:24:03,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:24:03,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617438425] [2021-04-28 18:24:03,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:24:03,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:24:03,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:24:03,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:24:03,537 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 393 [2021-04-28 18:24:03,543 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 143 transitions, 298 flow. Second operand has 3 states, 3 states have (on average 295.6666666666667) internal successors, (887), 3 states have internal predecessors, (887), 0 states have call successors, (0), 0 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 18:24:03,544 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:24:03,544 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 393 [2021-04-28 18:24:03,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:24:04,481 INFO L129 PetriNetUnfolder]: 861/1740 cut-off events. [2021-04-28 18:24:04,482 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:24:04,492 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3034 conditions, 1740 events. 861/1740 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 13364 event pairs, 591 based on Foata normal form. 21/1012 useless extension candidates. Maximal degree in co-relation 2955. Up to 937 conditions per place. [2021-04-28 18:24:04,499 INFO L132 encePairwiseOnDemand]: 375/393 looper letters, 11 selfloop transitions, 2 changer transitions 99/157 dead transitions. [2021-04-28 18:24:04,499 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 157 transitions, 430 flow [2021-04-28 18:24:04,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:24:04,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:24:04,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 940 transitions. [2021-04-28 18:24:04,527 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7972858354537744 [2021-04-28 18:24:04,528 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 940 transitions. [2021-04-28 18:24:04,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 940 transitions. [2021-04-28 18:24:04,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:24:04,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 940 transitions. [2021-04-28 18:24:04,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 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 18:24:04,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 0 states have call successors, (0), 0 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 18:24:04,558 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 0 states have call successors, (0), 0 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 18:24:04,561 INFO L185 Difference]: Start difference. First operand has 154 places, 143 transitions, 298 flow. Second operand 3 states and 940 transitions. [2021-04-28 18:24:04,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 157 transitions, 430 flow [2021-04-28 18:24:04,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 157 transitions, 426 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 18:24:04,571 INFO L241 Difference]: Finished difference. Result has 149 places, 53 transitions, 118 flow [2021-04-28 18:24:04,573 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=118, PETRI_PLACES=149, PETRI_TRANSITIONS=53} [2021-04-28 18:24:04,574 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -5 predicate places. [2021-04-28 18:24:04,575 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:24:04,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 53 transitions, 118 flow [2021-04-28 18:24:04,576 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 53 transitions, 118 flow [2021-04-28 18:24:04,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 53 transitions, 118 flow [2021-04-28 18:24:04,585 INFO L129 PetriNetUnfolder]: 0/53 cut-off events. [2021-04-28 18:24:04,585 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:24:04,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 53 events. 0/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 192 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 18:24:04,589 INFO L146 LiptonReduction]: Number of co-enabled transitions 1634 [2021-04-28 18:24:05,158 INFO L158 LiptonReduction]: Checked pairs total: 1668 [2021-04-28 18:24:05,159 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:24:05,159 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 584 [2021-04-28 18:24:05,161 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 53 transitions, 118 flow [2021-04-28 18:24:05,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 295.6666666666667) internal successors, (887), 3 states have internal predecessors, (887), 0 states have call successors, (0), 0 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 18:24:05,162 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:24:05,162 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:24:05,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 18:24:05,162 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:24:05,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:24:05,163 INFO L82 PathProgramCache]: Analyzing trace with hash 584321751, now seen corresponding path program 1 times [2021-04-28 18:24:05,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:24:05,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028436395] [2021-04-28 18:24:05,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:24:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:24:05,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:05,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:24:05,333 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 18:24:05,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028436395] [2021-04-28 18:24:05,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:24:05,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:24:05,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368763613] [2021-04-28 18:24:05,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:24:05,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:24:05,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:24:05,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:24:05,337 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 393 [2021-04-28 18:24:05,339 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 53 transitions, 118 flow. Second operand has 3 states, 3 states have (on average 280.6666666666667) internal successors, (842), 3 states have internal predecessors, (842), 0 states have call successors, (0), 0 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 18:24:05,339 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:24:05,339 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 393 [2021-04-28 18:24:05,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:24:05,360 INFO L129 PetriNetUnfolder]: 0/53 cut-off events. [2021-04-28 18:24:05,360 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:24:05,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 53 events. 0/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 196 event pairs, 0 based on Foata normal form. 1/30 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 18:24:05,360 INFO L132 encePairwiseOnDemand]: 390/393 looper letters, 1 selfloop transitions, 2 changer transitions 14/53 dead transitions. [2021-04-28 18:24:05,361 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 53 transitions, 124 flow [2021-04-28 18:24:05,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:24:05,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:24:05,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 844 transitions. [2021-04-28 18:24:05,367 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7158608990670059 [2021-04-28 18:24:05,367 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 844 transitions. [2021-04-28 18:24:05,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 844 transitions. [2021-04-28 18:24:05,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:24:05,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 844 transitions. [2021-04-28 18:24:05,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 0 states have call successors, (0), 0 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 18:24:05,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 0 states have call successors, (0), 0 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 18:24:05,375 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 0 states have call successors, (0), 0 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 18:24:05,376 INFO L185 Difference]: Start difference. First operand has 64 places, 53 transitions, 118 flow. Second operand 3 states and 844 transitions. [2021-04-28 18:24:05,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 53 transitions, 124 flow [2021-04-28 18:24:05,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 53 transitions, 120 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:24:05,378 INFO L241 Difference]: Finished difference. Result has 65 places, 39 transitions, 94 flow [2021-04-28 18:24:05,378 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=65, PETRI_TRANSITIONS=39} [2021-04-28 18:24:05,379 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -89 predicate places. [2021-04-28 18:24:05,379 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:24:05,379 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 39 transitions, 94 flow [2021-04-28 18:24:05,379 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 39 transitions, 94 flow [2021-04-28 18:24:05,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 39 transitions, 94 flow [2021-04-28 18:24:05,386 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-04-28 18:24:05,386 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:24:05,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 39 events. 0/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 97 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 18:24:05,387 INFO L146 LiptonReduction]: Number of co-enabled transitions 920 [2021-04-28 18:24:06,018 INFO L158 LiptonReduction]: Checked pairs total: 2278 [2021-04-28 18:24:06,018 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 18:24:06,019 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 640 [2021-04-28 18:24:06,021 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 39 transitions, 94 flow [2021-04-28 18:24:06,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 280.6666666666667) internal successors, (842), 3 states have internal predecessors, (842), 0 states have call successors, (0), 0 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 18:24:06,022 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:24:06,022 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:24:06,022 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 18:24:06,022 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:24:06,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:24:06,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1193649725, now seen corresponding path program 1 times [2021-04-28 18:24:06,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:24:06,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996753044] [2021-04-28 18:24:06,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:24:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:24:06,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:06,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-28 18:24:06,179 INFO L142 QuantifierPusher]: treesize reduction 11, result has 47.6 percent of original size [2021-04-28 18:24:06,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 18:24:06,187 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 18:24:06,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996753044] [2021-04-28 18:24:06,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:24:06,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:24:06,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836659453] [2021-04-28 18:24:06,189 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:24:06,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:24:06,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:24:06,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:24:06,191 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 394 [2021-04-28 18:24:06,192 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 39 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 237.0) internal successors, (711), 3 states have internal predecessors, (711), 0 states have call successors, (0), 0 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 18:24:06,192 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:24:06,193 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 394 [2021-04-28 18:24:06,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:24:06,355 INFO L129 PetriNetUnfolder]: 205/458 cut-off events. [2021-04-28 18:24:06,356 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2021-04-28 18:24:06,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 814 conditions, 458 events. 205/458 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2716 event pairs, 53 based on Foata normal form. 4/367 useless extension candidates. Maximal degree in co-relation 804. Up to 297 conditions per place. [2021-04-28 18:24:06,361 INFO L132 encePairwiseOnDemand]: 390/394 looper letters, 11 selfloop transitions, 3 changer transitions 0/44 dead transitions. [2021-04-28 18:24:06,361 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 44 transitions, 132 flow [2021-04-28 18:24:06,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:24:06,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:24:06,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 723 transitions. [2021-04-28 18:24:06,367 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6116751269035533 [2021-04-28 18:24:06,367 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 723 transitions. [2021-04-28 18:24:06,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 723 transitions. [2021-04-28 18:24:06,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:24:06,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 723 transitions. [2021-04-28 18:24:06,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 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 18:24:06,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 394.0) internal successors, (1576), 4 states have internal predecessors, (1576), 0 states have call successors, (0), 0 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 18:24:06,375 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 394.0) internal successors, (1576), 4 states have internal predecessors, (1576), 0 states have call successors, (0), 0 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 18:24:06,376 INFO L185 Difference]: Start difference. First operand has 51 places, 39 transitions, 94 flow. Second operand 3 states and 723 transitions. [2021-04-28 18:24:06,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 44 transitions, 132 flow [2021-04-28 18:24:06,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 44 transitions, 128 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:24:06,378 INFO L241 Difference]: Finished difference. Result has 52 places, 41 transitions, 109 flow [2021-04-28 18:24:06,378 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=109, PETRI_PLACES=52, PETRI_TRANSITIONS=41} [2021-04-28 18:24:06,378 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -102 predicate places. [2021-04-28 18:24:06,379 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:24:06,379 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 41 transitions, 109 flow [2021-04-28 18:24:06,379 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 41 transitions, 109 flow [2021-04-28 18:24:06,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 41 transitions, 109 flow [2021-04-28 18:24:06,388 INFO L129 PetriNetUnfolder]: 3/55 cut-off events. [2021-04-28 18:24:06,389 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-28 18:24:06,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 55 events. 3/55 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 167 event pairs, 1 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 74. Up to 10 conditions per place. [2021-04-28 18:24:06,391 INFO L146 LiptonReduction]: Number of co-enabled transitions 994 [2021-04-28 18:24:06,602 INFO L158 LiptonReduction]: Checked pairs total: 1042 [2021-04-28 18:24:06,602 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:24:06,603 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 224 [2021-04-28 18:24:06,604 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 41 transitions, 109 flow [2021-04-28 18:24:06,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 237.0) internal successors, (711), 3 states have internal predecessors, (711), 0 states have call successors, (0), 0 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 18:24:06,605 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:24:06,605 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:24:06,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 18:24:06,605 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:24:06,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:24:06,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1107572924, now seen corresponding path program 1 times [2021-04-28 18:24:06,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:24:06,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219450511] [2021-04-28 18:24:06,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:24:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:24:06,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:06,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-28 18:24:06,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:06,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:24:06,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:06,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:24:06,869 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 18:24:06,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219450511] [2021-04-28 18:24:06,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:24:06,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:24:06,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297922883] [2021-04-28 18:24:06,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:24:06,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:24:06,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:24:06,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:24:06,875 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 394 [2021-04-28 18:24:06,877 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 41 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 0 states have call successors, (0), 0 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 18:24:06,877 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:24:06,877 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 394 [2021-04-28 18:24:06,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:24:07,194 INFO L129 PetriNetUnfolder]: 214/470 cut-off events. [2021-04-28 18:24:07,194 INFO L130 PetriNetUnfolder]: For 100/100 co-relation queries the response was YES. [2021-04-28 18:24:07,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 955 conditions, 470 events. 214/470 cut-off events. For 100/100 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2752 event pairs, 149 based on Foata normal form. 4/376 useless extension candidates. Maximal degree in co-relation 944. Up to 299 conditions per place. [2021-04-28 18:24:07,201 INFO L132 encePairwiseOnDemand]: 387/394 looper letters, 12 selfloop transitions, 7 changer transitions 0/49 dead transitions. [2021-04-28 18:24:07,201 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 49 transitions, 165 flow [2021-04-28 18:24:07,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:24:07,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:24:07,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 928 transitions. [2021-04-28 18:24:07,208 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5888324873096447 [2021-04-28 18:24:07,208 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 928 transitions. [2021-04-28 18:24:07,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 928 transitions. [2021-04-28 18:24:07,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:24:07,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 928 transitions. [2021-04-28 18:24:07,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 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 18:24:07,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 394.0) internal successors, (1970), 5 states have internal predecessors, (1970), 0 states have call successors, (0), 0 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 18:24:07,217 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 394.0) internal successors, (1970), 5 states have internal predecessors, (1970), 0 states have call successors, (0), 0 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 18:24:07,218 INFO L185 Difference]: Start difference. First operand has 52 places, 41 transitions, 109 flow. Second operand 4 states and 928 transitions. [2021-04-28 18:24:07,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 49 transitions, 165 flow [2021-04-28 18:24:07,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 49 transitions, 162 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:24:07,221 INFO L241 Difference]: Finished difference. Result has 55 places, 45 transitions, 145 flow [2021-04-28 18:24:07,221 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=145, PETRI_PLACES=55, PETRI_TRANSITIONS=45} [2021-04-28 18:24:07,221 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -99 predicate places. [2021-04-28 18:24:07,221 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:24:07,221 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 45 transitions, 145 flow [2021-04-28 18:24:07,222 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 45 transitions, 145 flow [2021-04-28 18:24:07,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 45 transitions, 145 flow [2021-04-28 18:24:07,256 INFO L129 PetriNetUnfolder]: 60/204 cut-off events. [2021-04-28 18:24:07,256 INFO L130 PetriNetUnfolder]: For 65/92 co-relation queries the response was YES. [2021-04-28 18:24:07,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 204 events. 60/204 cut-off events. For 65/92 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1112 event pairs, 35 based on Foata normal form. 3/145 useless extension candidates. Maximal degree in co-relation 384. Up to 96 conditions per place. [2021-04-28 18:24:07,262 INFO L146 LiptonReduction]: Number of co-enabled transitions 1098 [2021-04-28 18:24:07,429 INFO L158 LiptonReduction]: Checked pairs total: 625 [2021-04-28 18:24:07,429 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:24:07,430 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 209 [2021-04-28 18:24:07,431 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 45 transitions, 145 flow [2021-04-28 18:24:07,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 0 states have call successors, (0), 0 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 18:24:07,432 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:24:07,433 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:24:07,433 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 18:24:07,433 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:24:07,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:24:07,433 INFO L82 PathProgramCache]: Analyzing trace with hash -905446798, now seen corresponding path program 1 times [2021-04-28 18:24:07,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:24:07,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086048759] [2021-04-28 18:24:07,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:24:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:24:07,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:07,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:24:07,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:07,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 18:24:07,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:07,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 18:24:07,708 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 18:24:07,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086048759] [2021-04-28 18:24:07,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:24:07,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:24:07,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641748832] [2021-04-28 18:24:07,710 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:24:07,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:24:07,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:24:07,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:24:07,713 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 394 [2021-04-28 18:24:07,715 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 45 transitions, 145 flow. Second operand has 5 states, 5 states have (on average 223.8) internal successors, (1119), 5 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:24:07,715 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:24:07,715 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 394 [2021-04-28 18:24:07,715 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:24:08,060 INFO L129 PetriNetUnfolder]: 223/507 cut-off events. [2021-04-28 18:24:08,060 INFO L130 PetriNetUnfolder]: For 270/368 co-relation queries the response was YES. [2021-04-28 18:24:08,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1243 conditions, 507 events. 223/507 cut-off events. For 270/368 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3030 event pairs, 99 based on Foata normal form. 8/397 useless extension candidates. Maximal degree in co-relation 1230. Up to 256 conditions per place. [2021-04-28 18:24:08,067 INFO L132 encePairwiseOnDemand]: 387/394 looper letters, 17 selfloop transitions, 8 changer transitions 0/55 dead transitions. [2021-04-28 18:24:08,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 55 transitions, 231 flow [2021-04-28 18:24:08,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:24:08,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:24:08,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 913 transitions. [2021-04-28 18:24:08,074 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5793147208121827 [2021-04-28 18:24:08,074 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 913 transitions. [2021-04-28 18:24:08,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 913 transitions. [2021-04-28 18:24:08,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:24:08,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 913 transitions. [2021-04-28 18:24:08,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 228.25) internal successors, (913), 4 states have internal predecessors, (913), 0 states have call successors, (0), 0 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 18:24:08,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 394.0) internal successors, (1970), 5 states have internal predecessors, (1970), 0 states have call successors, (0), 0 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 18:24:08,085 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 394.0) internal successors, (1970), 5 states have internal predecessors, (1970), 0 states have call successors, (0), 0 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 18:24:08,085 INFO L185 Difference]: Start difference. First operand has 55 places, 45 transitions, 145 flow. Second operand 4 states and 913 transitions. [2021-04-28 18:24:08,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 55 transitions, 231 flow [2021-04-28 18:24:08,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 55 transitions, 220 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 18:24:08,089 INFO L241 Difference]: Finished difference. Result has 57 places, 49 transitions, 177 flow [2021-04-28 18:24:08,089 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=177, PETRI_PLACES=57, PETRI_TRANSITIONS=49} [2021-04-28 18:24:08,089 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -97 predicate places. [2021-04-28 18:24:08,089 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:24:08,090 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 49 transitions, 177 flow [2021-04-28 18:24:08,090 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 49 transitions, 177 flow [2021-04-28 18:24:08,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 49 transitions, 177 flow [2021-04-28 18:24:08,151 INFO L129 PetriNetUnfolder]: 116/302 cut-off events. [2021-04-28 18:24:08,151 INFO L130 PetriNetUnfolder]: For 250/300 co-relation queries the response was YES. [2021-04-28 18:24:08,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 717 conditions, 302 events. 116/302 cut-off events. For 250/300 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 1735 event pairs, 54 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 705. Up to 142 conditions per place. [2021-04-28 18:24:08,159 INFO L146 LiptonReduction]: Number of co-enabled transitions 1202 [2021-04-28 18:24:08,206 INFO L158 LiptonReduction]: Checked pairs total: 541 [2021-04-28 18:24:08,206 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:24:08,207 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 117 [2021-04-28 18:24:08,208 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 49 transitions, 177 flow [2021-04-28 18:24:08,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 223.8) internal successors, (1119), 5 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:24:08,209 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:24:08,209 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:24:08,209 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 18:24:08,210 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:24:08,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:24:08,210 INFO L82 PathProgramCache]: Analyzing trace with hash 770461323, now seen corresponding path program 1 times [2021-04-28 18:24:08,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:24:08,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53728742] [2021-04-28 18:24:08,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:24:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:24:08,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:08,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 18:24:08,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:08,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:24:08,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:08,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 18:24:08,381 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 18:24:08,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53728742] [2021-04-28 18:24:08,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:24:08,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:24:08,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955340444] [2021-04-28 18:24:08,382 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:24:08,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:24:08,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:24:08,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:24:08,384 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 394 [2021-04-28 18:24:08,387 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 49 transitions, 177 flow. Second operand has 5 states, 5 states have (on average 237.0) internal successors, (1185), 5 states have internal predecessors, (1185), 0 states have call successors, (0), 0 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 18:24:08,387 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:24:08,387 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 394 [2021-04-28 18:24:08,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:24:08,675 INFO L129 PetriNetUnfolder]: 215/518 cut-off events. [2021-04-28 18:24:08,675 INFO L130 PetriNetUnfolder]: For 441/627 co-relation queries the response was YES. [2021-04-28 18:24:08,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1419 conditions, 518 events. 215/518 cut-off events. For 441/627 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3178 event pairs, 46 based on Foata normal form. 17/409 useless extension candidates. Maximal degree in co-relation 1405. Up to 253 conditions per place. [2021-04-28 18:24:08,684 INFO L132 encePairwiseOnDemand]: 386/394 looper letters, 18 selfloop transitions, 10 changer transitions 0/58 dead transitions. [2021-04-28 18:24:08,684 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 58 transitions, 279 flow [2021-04-28 18:24:08,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:24:08,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:24:08,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 964 transitions. [2021-04-28 18:24:08,691 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6116751269035533 [2021-04-28 18:24:08,691 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 964 transitions. [2021-04-28 18:24:08,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 964 transitions. [2021-04-28 18:24:08,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:24:08,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 964 transitions. [2021-04-28 18:24:08,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 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 18:24:08,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 394.0) internal successors, (1970), 5 states have internal predecessors, (1970), 0 states have call successors, (0), 0 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 18:24:08,702 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 394.0) internal successors, (1970), 5 states have internal predecessors, (1970), 0 states have call successors, (0), 0 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 18:24:08,702 INFO L185 Difference]: Start difference. First operand has 57 places, 49 transitions, 177 flow. Second operand 4 states and 964 transitions. [2021-04-28 18:24:08,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 58 transitions, 279 flow [2021-04-28 18:24:08,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 58 transitions, 262 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-04-28 18:24:08,712 INFO L241 Difference]: Finished difference. Result has 61 places, 54 transitions, 233 flow [2021-04-28 18:24:08,712 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=233, PETRI_PLACES=61, PETRI_TRANSITIONS=54} [2021-04-28 18:24:08,713 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -93 predicate places. [2021-04-28 18:24:08,713 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:24:08,713 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 54 transitions, 233 flow [2021-04-28 18:24:08,713 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 54 transitions, 233 flow [2021-04-28 18:24:08,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 54 transitions, 233 flow [2021-04-28 18:24:08,797 INFO L129 PetriNetUnfolder]: 159/428 cut-off events. [2021-04-28 18:24:08,797 INFO L130 PetriNetUnfolder]: For 501/539 co-relation queries the response was YES. [2021-04-28 18:24:08,800 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1083 conditions, 428 events. 159/428 cut-off events. For 501/539 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2662 event pairs, 56 based on Foata normal form. 2/306 useless extension candidates. Maximal degree in co-relation 1068. Up to 168 conditions per place. [2021-04-28 18:24:08,810 INFO L146 LiptonReduction]: Number of co-enabled transitions 1294 [2021-04-28 18:24:08,860 INFO L158 LiptonReduction]: Checked pairs total: 609 [2021-04-28 18:24:08,860 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:24:08,861 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 148 [2021-04-28 18:24:08,863 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 54 transitions, 233 flow [2021-04-28 18:24:08,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 237.0) internal successors, (1185), 5 states have internal predecessors, (1185), 0 states have call successors, (0), 0 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 18:24:08,864 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:24:08,864 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:24:08,864 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 18:24:08,865 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:24:08,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:24:08,865 INFO L82 PathProgramCache]: Analyzing trace with hash 770525710, now seen corresponding path program 1 times [2021-04-28 18:24:08,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:24:08,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989409137] [2021-04-28 18:24:08,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:24:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:24:08,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:09,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:24:09,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:09,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:24:09,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:09,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 18:24:09,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:09,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 18:24:09,073 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 18:24:09,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989409137] [2021-04-28 18:24:09,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:24:09,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:24:09,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017766278] [2021-04-28 18:24:09,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:24:09,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:24:09,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:24:09,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:24:09,078 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 394 [2021-04-28 18:24:09,080 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 54 transitions, 233 flow. Second operand has 5 states, 5 states have (on average 228.0) internal successors, (1140), 5 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:24:09,080 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:24:09,080 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 394 [2021-04-28 18:24:09,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:24:09,440 INFO L129 PetriNetUnfolder]: 235/530 cut-off events. [2021-04-28 18:24:09,440 INFO L130 PetriNetUnfolder]: For 673/949 co-relation queries the response was YES. [2021-04-28 18:24:09,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1633 conditions, 530 events. 235/530 cut-off events. For 673/949 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3154 event pairs, 77 based on Foata normal form. 30/442 useless extension candidates. Maximal degree in co-relation 1616. Up to 273 conditions per place. [2021-04-28 18:24:09,448 INFO L132 encePairwiseOnDemand]: 385/394 looper letters, 18 selfloop transitions, 15 changer transitions 0/63 dead transitions. [2021-04-28 18:24:09,448 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 63 transitions, 343 flow [2021-04-28 18:24:09,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:24:09,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:24:09,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1160 transitions. [2021-04-28 18:24:09,457 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5888324873096447 [2021-04-28 18:24:09,457 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1160 transitions. [2021-04-28 18:24:09,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1160 transitions. [2021-04-28 18:24:09,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:24:09,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1160 transitions. [2021-04-28 18:24:09,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 232.0) internal successors, (1160), 5 states have internal predecessors, (1160), 0 states have call successors, (0), 0 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 18:24:09,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 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 18:24:09,466 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 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 18:24:09,466 INFO L185 Difference]: Start difference. First operand has 61 places, 54 transitions, 233 flow. Second operand 5 states and 1160 transitions. [2021-04-28 18:24:09,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 63 transitions, 343 flow [2021-04-28 18:24:09,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 63 transitions, 338 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:24:09,473 INFO L241 Difference]: Finished difference. Result has 65 places, 59 transitions, 300 flow [2021-04-28 18:24:09,473 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=300, PETRI_PLACES=65, PETRI_TRANSITIONS=59} [2021-04-28 18:24:09,473 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -89 predicate places. [2021-04-28 18:24:09,473 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:24:09,474 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 59 transitions, 300 flow [2021-04-28 18:24:09,474 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 59 transitions, 300 flow [2021-04-28 18:24:09,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 59 transitions, 300 flow [2021-04-28 18:24:09,582 INFO L129 PetriNetUnfolder]: 219/514 cut-off events. [2021-04-28 18:24:09,582 INFO L130 PetriNetUnfolder]: For 764/870 co-relation queries the response was YES. [2021-04-28 18:24:09,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1527 conditions, 514 events. 219/514 cut-off events. For 764/870 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3268 event pairs, 80 based on Foata normal form. 6/389 useless extension candidates. Maximal degree in co-relation 1510. Up to 240 conditions per place. [2021-04-28 18:24:09,597 INFO L146 LiptonReduction]: Number of co-enabled transitions 1416 [2021-04-28 18:24:09,687 INFO L158 LiptonReduction]: Checked pairs total: 824 [2021-04-28 18:24:09,688 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:24:09,688 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 215 [2021-04-28 18:24:09,689 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 59 transitions, 300 flow [2021-04-28 18:24:09,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 228.0) internal successors, (1140), 5 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:24:09,690 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:24:09,690 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:24:09,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 18:24:09,691 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:24:09,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:24:09,691 INFO L82 PathProgramCache]: Analyzing trace with hash -603050752, now seen corresponding path program 2 times [2021-04-28 18:24:09,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:24:09,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310625140] [2021-04-28 18:24:09,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:24:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:24:09,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:09,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:24:09,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:09,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:24:09,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:09,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 18:24:09,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:09,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-28 18:24:09,907 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 18:24:09,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310625140] [2021-04-28 18:24:09,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:24:09,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:24:09,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659150843] [2021-04-28 18:24:09,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:24:09,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:24:09,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:24:09,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:24:09,912 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 394 [2021-04-28 18:24:09,917 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 59 transitions, 300 flow. Second operand has 5 states, 5 states have (on average 237.0) internal successors, (1185), 5 states have internal predecessors, (1185), 0 states have call successors, (0), 0 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 18:24:09,918 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:24:09,918 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 394 [2021-04-28 18:24:09,918 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:24:10,346 INFO L129 PetriNetUnfolder]: 288/604 cut-off events. [2021-04-28 18:24:10,346 INFO L130 PetriNetUnfolder]: For 1274/1812 co-relation queries the response was YES. [2021-04-28 18:24:10,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2296 conditions, 604 events. 288/604 cut-off events. For 1274/1812 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3506 event pairs, 105 based on Foata normal form. 29/521 useless extension candidates. Maximal degree in co-relation 2277. Up to 384 conditions per place. [2021-04-28 18:24:10,356 INFO L132 encePairwiseOnDemand]: 385/394 looper letters, 16 selfloop transitions, 23 changer transitions 0/69 dead transitions. [2021-04-28 18:24:10,356 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 69 transitions, 454 flow [2021-04-28 18:24:10,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:24:10,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:24:10,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1202 transitions. [2021-04-28 18:24:10,364 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6101522842639594 [2021-04-28 18:24:10,364 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1202 transitions. [2021-04-28 18:24:10,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1202 transitions. [2021-04-28 18:24:10,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:24:10,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1202 transitions. [2021-04-28 18:24:10,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 240.4) internal successors, (1202), 5 states have internal predecessors, (1202), 0 states have call successors, (0), 0 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 18:24:10,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 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 18:24:10,373 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 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 18:24:10,373 INFO L185 Difference]: Start difference. First operand has 65 places, 59 transitions, 300 flow. Second operand 5 states and 1202 transitions. [2021-04-28 18:24:10,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 69 transitions, 454 flow [2021-04-28 18:24:10,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 69 transitions, 416 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-04-28 18:24:10,379 INFO L241 Difference]: Finished difference. Result has 68 places, 69 transitions, 421 flow [2021-04-28 18:24:10,379 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=421, PETRI_PLACES=68, PETRI_TRANSITIONS=69} [2021-04-28 18:24:10,379 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -86 predicate places. [2021-04-28 18:24:10,379 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:24:10,380 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 69 transitions, 421 flow [2021-04-28 18:24:10,380 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 69 transitions, 421 flow [2021-04-28 18:24:10,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 69 transitions, 421 flow [2021-04-28 18:24:10,497 INFO L129 PetriNetUnfolder]: 271/607 cut-off events. [2021-04-28 18:24:10,497 INFO L130 PetriNetUnfolder]: For 1603/1941 co-relation queries the response was YES. [2021-04-28 18:24:10,502 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2230 conditions, 607 events. 271/607 cut-off events. For 1603/1941 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3655 event pairs, 74 based on Foata normal form. 18/489 useless extension candidates. Maximal degree in co-relation 2211. Up to 306 conditions per place. [2021-04-28 18:24:10,516 INFO L146 LiptonReduction]: Number of co-enabled transitions 1674 [2021-04-28 18:24:10,537 INFO L158 LiptonReduction]: Checked pairs total: 1284 [2021-04-28 18:24:10,537 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:24:10,538 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 158 [2021-04-28 18:24:10,539 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 69 transitions, 421 flow [2021-04-28 18:24:10,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 237.0) internal successors, (1185), 5 states have internal predecessors, (1185), 0 states have call successors, (0), 0 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 18:24:10,540 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:24:10,540 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:24:10,540 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 18:24:10,540 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:24:10,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:24:10,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1858973588, now seen corresponding path program 3 times [2021-04-28 18:24:10,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:24:10,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706399463] [2021-04-28 18:24:10,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:24:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:24:10,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:10,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:24:10,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:10,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:24:10,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:10,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 18:24:10,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:10,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 18:24:10,670 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 18:24:10,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706399463] [2021-04-28 18:24:10,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:24:10,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:24:10,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116283311] [2021-04-28 18:24:10,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:24:10,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:24:10,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:24:10,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:24:10,674 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 394 [2021-04-28 18:24:10,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 69 transitions, 421 flow. Second operand has 5 states, 5 states have (on average 228.0) internal successors, (1140), 5 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:24:10,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:24:10,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 394 [2021-04-28 18:24:10,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:24:11,073 INFO L129 PetriNetUnfolder]: 280/639 cut-off events. [2021-04-28 18:24:11,073 INFO L130 PetriNetUnfolder]: For 2060/3068 co-relation queries the response was YES. [2021-04-28 18:24:11,077 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2680 conditions, 639 events. 280/639 cut-off events. For 2060/3068 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 3930 event pairs, 26 based on Foata normal form. 45/545 useless extension candidates. Maximal degree in co-relation 2659. Up to 322 conditions per place. [2021-04-28 18:24:11,084 INFO L132 encePairwiseOnDemand]: 385/394 looper letters, 30 selfloop transitions, 12 changer transitions 0/72 dead transitions. [2021-04-28 18:24:11,085 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 72 transitions, 524 flow [2021-04-28 18:24:11,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:24:11,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:24:11,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1155 transitions. [2021-04-28 18:24:11,091 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5862944162436549 [2021-04-28 18:24:11,091 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1155 transitions. [2021-04-28 18:24:11,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1155 transitions. [2021-04-28 18:24:11,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:24:11,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1155 transitions. [2021-04-28 18:24:11,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 231.0) internal successors, (1155), 5 states have internal predecessors, (1155), 0 states have call successors, (0), 0 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 18:24:11,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 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 18:24:11,102 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 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 18:24:11,102 INFO L185 Difference]: Start difference. First operand has 68 places, 69 transitions, 421 flow. Second operand 5 states and 1155 transitions. [2021-04-28 18:24:11,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 72 transitions, 524 flow [2021-04-28 18:24:11,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 72 transitions, 495 flow, removed 14 selfloop flow, removed 1 redundant places. [2021-04-28 18:24:11,108 INFO L241 Difference]: Finished difference. Result has 71 places, 68 transitions, 399 flow [2021-04-28 18:24:11,108 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=399, PETRI_PLACES=71, PETRI_TRANSITIONS=68} [2021-04-28 18:24:11,109 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -83 predicate places. [2021-04-28 18:24:11,109 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:24:11,109 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 68 transitions, 399 flow [2021-04-28 18:24:11,109 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 68 transitions, 399 flow [2021-04-28 18:24:11,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 68 transitions, 399 flow [2021-04-28 18:24:11,222 INFO L129 PetriNetUnfolder]: 266/618 cut-off events. [2021-04-28 18:24:11,222 INFO L130 PetriNetUnfolder]: For 1564/1761 co-relation queries the response was YES. [2021-04-28 18:24:11,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2197 conditions, 618 events. 266/618 cut-off events. For 1564/1761 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3834 event pairs, 77 based on Foata normal form. 18/486 useless extension candidates. Maximal degree in co-relation 2177. Up to 266 conditions per place. [2021-04-28 18:24:11,239 INFO L146 LiptonReduction]: Number of co-enabled transitions 1646 [2021-04-28 18:24:11,261 INFO L158 LiptonReduction]: Checked pairs total: 1263 [2021-04-28 18:24:11,262 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:24:11,262 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 153 [2021-04-28 18:24:11,263 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 68 transitions, 399 flow [2021-04-28 18:24:11,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 228.0) internal successors, (1140), 5 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:24:11,264 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:24:11,264 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:24:11,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 18:24:11,264 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:24:11,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:24:11,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1851772878, now seen corresponding path program 4 times [2021-04-28 18:24:11,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:24:11,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212390560] [2021-04-28 18:24:11,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:24:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:24:11,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:11,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 18:24:11,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:11,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:24:11,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:11,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 18:24:11,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:11,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 18:24:11,452 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 18:24:11,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212390560] [2021-04-28 18:24:11,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:24:11,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:24:11,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957208208] [2021-04-28 18:24:11,453 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:24:11,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:24:11,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:24:11,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:24:11,456 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 394 [2021-04-28 18:24:11,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 68 transitions, 399 flow. Second operand has 6 states, 6 states have (on average 227.83333333333334) internal successors, (1367), 6 states have internal predecessors, (1367), 0 states have call successors, (0), 0 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 18:24:11,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:24:11,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 394 [2021-04-28 18:24:11,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:24:11,927 INFO L129 PetriNetUnfolder]: 314/635 cut-off events. [2021-04-28 18:24:11,928 INFO L130 PetriNetUnfolder]: For 2019/2800 co-relation queries the response was YES. [2021-04-28 18:24:11,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2921 conditions, 635 events. 314/635 cut-off events. For 2019/2800 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3552 event pairs, 55 based on Foata normal form. 58/596 useless extension candidates. Maximal degree in co-relation 2899. Up to 344 conditions per place. [2021-04-28 18:24:11,940 INFO L132 encePairwiseOnDemand]: 385/394 looper letters, 23 selfloop transitions, 29 changer transitions 0/82 dead transitions. [2021-04-28 18:24:11,940 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 82 transitions, 626 flow [2021-04-28 18:24:11,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:24:11,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:24:11,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1161 transitions. [2021-04-28 18:24:11,948 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5893401015228427 [2021-04-28 18:24:11,948 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1161 transitions. [2021-04-28 18:24:11,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1161 transitions. [2021-04-28 18:24:11,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:24:11,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1161 transitions. [2021-04-28 18:24:11,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 232.2) internal successors, (1161), 5 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:24:11,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 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 18:24:11,958 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 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 18:24:11,958 INFO L185 Difference]: Start difference. First operand has 71 places, 68 transitions, 399 flow. Second operand 5 states and 1161 transitions. [2021-04-28 18:24:11,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 82 transitions, 626 flow [2021-04-28 18:24:11,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 82 transitions, 586 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-04-28 18:24:11,966 INFO L241 Difference]: Finished difference. Result has 73 places, 76 transitions, 531 flow [2021-04-28 18:24:11,966 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=531, PETRI_PLACES=73, PETRI_TRANSITIONS=76} [2021-04-28 18:24:11,966 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -81 predicate places. [2021-04-28 18:24:11,966 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:24:11,967 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 76 transitions, 531 flow [2021-04-28 18:24:11,967 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 76 transitions, 531 flow [2021-04-28 18:24:11,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 76 transitions, 531 flow [2021-04-28 18:24:12,125 INFO L129 PetriNetUnfolder]: 296/654 cut-off events. [2021-04-28 18:24:12,125 INFO L130 PetriNetUnfolder]: For 2131/2358 co-relation queries the response was YES. [2021-04-28 18:24:12,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2774 conditions, 654 events. 296/654 cut-off events. For 2131/2358 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4071 event pairs, 59 based on Foata normal form. 19/546 useless extension candidates. Maximal degree in co-relation 2753. Up to 314 conditions per place. [2021-04-28 18:24:12,145 INFO L146 LiptonReduction]: Number of co-enabled transitions 1862 [2021-04-28 18:24:12,193 INFO L158 LiptonReduction]: Checked pairs total: 1733 [2021-04-28 18:24:12,193 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:24:12,193 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 227 [2021-04-28 18:24:12,196 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 76 transitions, 531 flow [2021-04-28 18:24:12,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 227.83333333333334) internal successors, (1367), 6 states have internal predecessors, (1367), 0 states have call successors, (0), 0 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 18:24:12,197 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:24:12,197 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:24:12,197 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 18:24:12,197 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:24:12,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:24:12,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1339443157, now seen corresponding path program 1 times [2021-04-28 18:24:12,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:24:12,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246113644] [2021-04-28 18:24:12,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:24:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:24:12,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:12,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:24:12,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:12,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:24:12,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:12,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:24:12,339 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 18:24:12,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246113644] [2021-04-28 18:24:12,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:24:12,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:24:12,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142984111] [2021-04-28 18:24:12,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:24:12,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:24:12,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:24:12,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:24:12,343 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 394 [2021-04-28 18:24:12,354 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 76 transitions, 531 flow. Second operand has 4 states, 4 states have (on average 298.75) internal successors, (1195), 4 states have internal predecessors, (1195), 0 states have call successors, (0), 0 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 18:24:12,355 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:24:12,355 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 394 [2021-04-28 18:24:12,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:24:14,304 INFO L129 PetriNetUnfolder]: 6852/10661 cut-off events. [2021-04-28 18:24:14,304 INFO L130 PetriNetUnfolder]: For 25155/28459 co-relation queries the response was YES. [2021-04-28 18:24:14,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32932 conditions, 10661 events. 6852/10661 cut-off events. For 25155/28459 co-relation queries the response was YES. Maximal size of possible extension queue 1236. Compared 81831 event pairs, 3489 based on Foata normal form. 1030/6487 useless extension candidates. Maximal degree in co-relation 32909. Up to 6979 conditions per place. [2021-04-28 18:24:14,492 INFO L132 encePairwiseOnDemand]: 379/394 looper letters, 29 selfloop transitions, 26 changer transitions 0/113 dead transitions. [2021-04-28 18:24:14,492 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 113 transitions, 715 flow [2021-04-28 18:24:14,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:24:14,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:24:14,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1544 transitions. [2021-04-28 18:24:14,500 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.783756345177665 [2021-04-28 18:24:14,500 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1544 transitions. [2021-04-28 18:24:14,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1544 transitions. [2021-04-28 18:24:14,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:24:14,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1544 transitions. [2021-04-28 18:24:14,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 308.8) internal successors, (1544), 5 states have internal predecessors, (1544), 0 states have call successors, (0), 0 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 18:24:14,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 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 18:24:14,511 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 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 18:24:14,511 INFO L185 Difference]: Start difference. First operand has 73 places, 76 transitions, 531 flow. Second operand 5 states and 1544 transitions. [2021-04-28 18:24:14,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 113 transitions, 715 flow [2021-04-28 18:24:14,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 113 transitions, 663 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-04-28 18:24:14,563 INFO L241 Difference]: Finished difference. Result has 76 places, 101 transitions, 686 flow [2021-04-28 18:24:14,564 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=686, PETRI_PLACES=76, PETRI_TRANSITIONS=101} [2021-04-28 18:24:14,564 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -78 predicate places. [2021-04-28 18:24:14,564 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:24:14,564 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 101 transitions, 686 flow [2021-04-28 18:24:14,565 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 101 transitions, 686 flow [2021-04-28 18:24:14,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 101 transitions, 686 flow [2021-04-28 18:24:16,076 INFO L129 PetriNetUnfolder]: 6951/10744 cut-off events. [2021-04-28 18:24:16,077 INFO L130 PetriNetUnfolder]: For 22595/28437 co-relation queries the response was YES. [2021-04-28 18:24:16,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40193 conditions, 10744 events. 6951/10744 cut-off events. For 22595/28437 co-relation queries the response was YES. Maximal size of possible extension queue 1143. Compared 81663 event pairs, 3125 based on Foata normal form. 160/5750 useless extension candidates. Maximal degree in co-relation 40170. Up to 7885 conditions per place. [2021-04-28 18:24:16,425 INFO L146 LiptonReduction]: Number of co-enabled transitions 2840 [2021-04-28 18:24:16,535 INFO L158 LiptonReduction]: Checked pairs total: 2047 [2021-04-28 18:24:16,536 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:24:16,536 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1972 [2021-04-28 18:24:16,537 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 101 transitions, 686 flow [2021-04-28 18:24:16,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 298.75) internal successors, (1195), 4 states have internal predecessors, (1195), 0 states have call successors, (0), 0 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 18:24:16,538 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:24:16,538 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:24:16,539 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 18:24:16,539 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:24:16,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:24:16,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1942549537, now seen corresponding path program 1 times [2021-04-28 18:24:16,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:24:16,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502791497] [2021-04-28 18:24:16,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:24:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:24:16,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:16,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:24:16,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:16,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:24:16,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:16,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:24:16,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:16,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:24:16,666 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 18:24:16,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502791497] [2021-04-28 18:24:16,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:24:16,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:24:16,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246669193] [2021-04-28 18:24:16,669 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:24:16,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:24:16,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:24:16,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:24:16,672 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 394 [2021-04-28 18:24:16,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 101 transitions, 686 flow. Second operand has 5 states, 5 states have (on average 298.8) internal successors, (1494), 5 states have internal predecessors, (1494), 0 states have call successors, (0), 0 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 18:24:16,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:24:16,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 394 [2021-04-28 18:24:16,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:24:18,693 INFO L129 PetriNetUnfolder]: 6183/10184 cut-off events. [2021-04-28 18:24:18,693 INFO L130 PetriNetUnfolder]: For 30068/84335 co-relation queries the response was YES. [2021-04-28 18:24:18,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45305 conditions, 10184 events. 6183/10184 cut-off events. For 30068/84335 co-relation queries the response was YES. Maximal size of possible extension queue 1692. Compared 85773 event pairs, 1572 based on Foata normal form. 1273/6196 useless extension candidates. Maximal degree in co-relation 45280. Up to 7828 conditions per place. [2021-04-28 18:24:18,815 INFO L132 encePairwiseOnDemand]: 379/394 looper letters, 29 selfloop transitions, 51 changer transitions 0/134 dead transitions. [2021-04-28 18:24:18,815 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 134 transitions, 1036 flow [2021-04-28 18:24:18,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 18:24:18,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 18:24:18,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2165 transitions. [2021-04-28 18:24:18,826 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7849891225525744 [2021-04-28 18:24:18,826 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2165 transitions. [2021-04-28 18:24:18,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2165 transitions. [2021-04-28 18:24:18,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:24:18,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2165 transitions. [2021-04-28 18:24:18,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 309.2857142857143) internal successors, (2165), 7 states have internal predecessors, (2165), 0 states have call successors, (0), 0 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 18:24:18,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 394.0) internal successors, (3152), 8 states have internal predecessors, (3152), 0 states have call successors, (0), 0 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 18:24:18,841 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 394.0) internal successors, (3152), 8 states have internal predecessors, (3152), 0 states have call successors, (0), 0 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 18:24:18,842 INFO L185 Difference]: Start difference. First operand has 76 places, 101 transitions, 686 flow. Second operand 7 states and 2165 transitions. [2021-04-28 18:24:18,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 134 transitions, 1036 flow [2021-04-28 18:24:18,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 134 transitions, 1023 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:24:18,936 INFO L241 Difference]: Finished difference. Result has 84 places, 122 transitions, 1021 flow [2021-04-28 18:24:18,937 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1021, PETRI_PLACES=84, PETRI_TRANSITIONS=122} [2021-04-28 18:24:18,937 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -70 predicate places. [2021-04-28 18:24:18,937 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:24:18,937 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 122 transitions, 1021 flow [2021-04-28 18:24:18,938 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 122 transitions, 1021 flow [2021-04-28 18:24:18,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 122 transitions, 1021 flow [2021-04-28 18:24:20,420 INFO L129 PetriNetUnfolder]: 6190/10110 cut-off events. [2021-04-28 18:24:20,420 INFO L130 PetriNetUnfolder]: For 33919/48122 co-relation queries the response was YES. [2021-04-28 18:24:20,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52714 conditions, 10110 events. 6190/10110 cut-off events. For 33919/48122 co-relation queries the response was YES. Maximal size of possible extension queue 1296. Compared 82612 event pairs, 1241 based on Foata normal form. 211/5281 useless extension candidates. Maximal degree in co-relation 52687. Up to 7720 conditions per place. [2021-04-28 18:24:20,641 INFO L146 LiptonReduction]: Number of co-enabled transitions 3652 [2021-04-28 18:24:20,677 INFO L158 LiptonReduction]: Checked pairs total: 2147 [2021-04-28 18:24:20,677 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:24:20,678 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1741 [2021-04-28 18:24:20,681 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 122 transitions, 1021 flow [2021-04-28 18:24:20,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 298.8) internal successors, (1494), 5 states have internal predecessors, (1494), 0 states have call successors, (0), 0 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 18:24:20,682 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:24:20,682 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:24:20,683 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 18:24:20,683 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:24:20,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:24:20,683 INFO L82 PathProgramCache]: Analyzing trace with hash 2055220827, now seen corresponding path program 1 times [2021-04-28 18:24:20,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:24:20,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892816467] [2021-04-28 18:24:20,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:24:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:24:20,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:20,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:24:20,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:20,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:24:20,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:20,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:24:20,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:20,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:24:20,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:20,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:24:20,908 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 18:24:20,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892816467] [2021-04-28 18:24:20,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:24:20,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:24:20,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154534556] [2021-04-28 18:24:20,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:24:20,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:24:20,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:24:20,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:24:20,914 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 394 [2021-04-28 18:24:20,916 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 122 transitions, 1021 flow. Second operand has 6 states, 6 states have (on average 298.8333333333333) internal successors, (1793), 6 states have internal predecessors, (1793), 0 states have call successors, (0), 0 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 18:24:20,916 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:24:20,917 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 394 [2021-04-28 18:24:20,917 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:24:22,829 INFO L129 PetriNetUnfolder]: 4734/8393 cut-off events. [2021-04-28 18:24:22,830 INFO L130 PetriNetUnfolder]: For 35747/122935 co-relation queries the response was YES. [2021-04-28 18:24:22,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50125 conditions, 8393 events. 4734/8393 cut-off events. For 35747/122935 co-relation queries the response was YES. Maximal size of possible extension queue 1437. Compared 76136 event pairs, 348 based on Foata normal form. 1232/4856 useless extension candidates. Maximal degree in co-relation 50096. Up to 7142 conditions per place. [2021-04-28 18:24:22,974 INFO L132 encePairwiseOnDemand]: 379/394 looper letters, 15 selfloop transitions, 76 changer transitions 12/153 dead transitions. [2021-04-28 18:24:22,975 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 153 transitions, 1533 flow [2021-04-28 18:24:22,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 18:24:22,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 18:24:22,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2786 transitions. [2021-04-28 18:24:22,994 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7856739988719684 [2021-04-28 18:24:22,994 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2786 transitions. [2021-04-28 18:24:22,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2786 transitions. [2021-04-28 18:24:22,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:24:22,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2786 transitions. [2021-04-28 18:24:23,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 309.55555555555554) internal successors, (2786), 9 states have internal predecessors, (2786), 0 states have call successors, (0), 0 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 18:24:23,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 394.0) internal successors, (3940), 10 states have internal predecessors, (3940), 0 states have call successors, (0), 0 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 18:24:23,019 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 394.0) internal successors, (3940), 10 states have internal predecessors, (3940), 0 states have call successors, (0), 0 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 18:24:23,019 INFO L185 Difference]: Start difference. First operand has 84 places, 122 transitions, 1021 flow. Second operand 9 states and 2786 transitions. [2021-04-28 18:24:23,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 153 transitions, 1533 flow [2021-04-28 18:24:23,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 153 transitions, 1371 flow, removed 50 selfloop flow, removed 7 redundant places. [2021-04-28 18:24:23,312 INFO L241 Difference]: Finished difference. Result has 88 places, 141 transitions, 1293 flow [2021-04-28 18:24:23,313 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=799, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1293, PETRI_PLACES=88, PETRI_TRANSITIONS=141} [2021-04-28 18:24:23,313 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -66 predicate places. [2021-04-28 18:24:23,313 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:24:23,313 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 141 transitions, 1293 flow [2021-04-28 18:24:23,314 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 141 transitions, 1293 flow [2021-04-28 18:24:23,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 141 transitions, 1293 flow [2021-04-28 18:24:24,358 INFO L129 PetriNetUnfolder]: 4005/7475 cut-off events. [2021-04-28 18:24:24,358 INFO L130 PetriNetUnfolder]: For 32762/38349 co-relation queries the response was YES. [2021-04-28 18:24:24,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44320 conditions, 7475 events. 4005/7475 cut-off events. For 32762/38349 co-relation queries the response was YES. Maximal size of possible extension queue 1047. Compared 67848 event pairs, 281 based on Foata normal form. 92/3579 useless extension candidates. Maximal degree in co-relation 44292. Up to 5275 conditions per place. [2021-04-28 18:24:24,533 INFO L146 LiptonReduction]: Number of co-enabled transitions 3986 [2021-04-28 18:24:24,555 INFO L158 LiptonReduction]: Checked pairs total: 2279 [2021-04-28 18:24:24,555 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:24:24,555 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1242 [2021-04-28 18:24:24,557 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 141 transitions, 1293 flow [2021-04-28 18:24:24,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 298.8333333333333) internal successors, (1793), 6 states have internal predecessors, (1793), 0 states have call successors, (0), 0 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 18:24:24,558 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:24:24,558 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:24:24,558 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-28 18:24:24,558 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:24:24,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:24:24,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1283590263, now seen corresponding path program 1 times [2021-04-28 18:24:24,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:24:24,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215231426] [2021-04-28 18:24:24,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:24:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:24:24,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:24,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:24:24,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:24,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:24:24,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:24,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:24:24,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:24,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:24:24,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:24,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:24:24,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:24,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:24:24,766 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 18:24:24,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215231426] [2021-04-28 18:24:24,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:24:24,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 18:24:24,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414308020] [2021-04-28 18:24:24,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 18:24:24,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:24:24,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 18:24:24,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 18:24:24,771 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 394 [2021-04-28 18:24:24,773 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 141 transitions, 1293 flow. Second operand has 7 states, 7 states have (on average 298.85714285714283) internal successors, (2092), 7 states have internal predecessors, (2092), 0 states have call successors, (0), 0 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 18:24:24,774 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:24:24,774 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 394 [2021-04-28 18:24:24,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:24:26,636 INFO L129 PetriNetUnfolder]: 3276/6287 cut-off events. [2021-04-28 18:24:26,636 INFO L130 PetriNetUnfolder]: For 31374/60064 co-relation queries the response was YES. [2021-04-28 18:24:26,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41947 conditions, 6287 events. 3276/6287 cut-off events. For 31374/60064 co-relation queries the response was YES. Maximal size of possible extension queue 1134. Compared 58991 event pairs, 18 based on Foata normal form. 782/3254 useless extension candidates. Maximal degree in co-relation 41917. Up to 4741 conditions per place. [2021-04-28 18:24:26,727 INFO L132 encePairwiseOnDemand]: 379/394 looper letters, 2 selfloop transitions, 89 changer transitions 12/153 dead transitions. [2021-04-28 18:24:26,727 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 153 transitions, 1633 flow [2021-04-28 18:24:26,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 18:24:26,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 18:24:26,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3383 transitions. [2021-04-28 18:24:26,743 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7805722196585141 [2021-04-28 18:24:26,743 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3383 transitions. [2021-04-28 18:24:26,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3383 transitions. [2021-04-28 18:24:26,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:24:26,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3383 transitions. [2021-04-28 18:24:26,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 307.54545454545456) internal successors, (3383), 11 states have internal predecessors, (3383), 0 states have call successors, (0), 0 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 18:24:26,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 394.0) internal successors, (4728), 12 states have internal predecessors, (4728), 0 states have call successors, (0), 0 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 18:24:26,769 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 394.0) internal successors, (4728), 12 states have internal predecessors, (4728), 0 states have call successors, (0), 0 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 18:24:26,769 INFO L185 Difference]: Start difference. First operand has 88 places, 141 transitions, 1293 flow. Second operand 11 states and 3383 transitions. [2021-04-28 18:24:26,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 153 transitions, 1633 flow [2021-04-28 18:24:28,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 153 transitions, 1335 flow, removed 106 selfloop flow, removed 6 redundant places. [2021-04-28 18:24:28,088 INFO L241 Difference]: Finished difference. Result has 95 places, 141 transitions, 1207 flow [2021-04-28 18:24:28,089 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=977, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1207, PETRI_PLACES=95, PETRI_TRANSITIONS=141} [2021-04-28 18:24:28,089 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -59 predicate places. [2021-04-28 18:24:28,089 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:24:28,089 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 141 transitions, 1207 flow [2021-04-28 18:24:28,090 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 141 transitions, 1207 flow [2021-04-28 18:24:28,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 141 transitions, 1207 flow [2021-04-28 18:24:28,583 INFO L129 PetriNetUnfolder]: 3033/5963 cut-off events. [2021-04-28 18:24:28,584 INFO L130 PetriNetUnfolder]: For 13683/15771 co-relation queries the response was YES. [2021-04-28 18:24:28,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27206 conditions, 5963 events. 3033/5963 cut-off events. For 13683/15771 co-relation queries the response was YES. Maximal size of possible extension queue 1186. Compared 55165 event pairs, 10 based on Foata normal form. 28/2466 useless extension candidates. Maximal degree in co-relation 27176. Up to 2430 conditions per place. [2021-04-28 18:24:28,775 INFO L146 LiptonReduction]: Number of co-enabled transitions 3926 [2021-04-28 18:24:32,248 INFO L158 LiptonReduction]: Checked pairs total: 2409 [2021-04-28 18:24:32,248 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:24:32,248 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4159 [2021-04-28 18:24:32,250 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 141 transitions, 1207 flow [2021-04-28 18:24:32,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 298.85714285714283) internal successors, (2092), 7 states have internal predecessors, (2092), 0 states have call successors, (0), 0 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 18:24:32,251 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:24:32,251 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:24:32,251 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-28 18:24:32,251 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:24:32,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:24:32,251 INFO L82 PathProgramCache]: Analyzing trace with hash 91944868, now seen corresponding path program 1 times [2021-04-28 18:24:32,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:24:32,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755523048] [2021-04-28 18:24:32,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:24:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:24:32,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:32,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:24:32,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:32,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:24:32,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:32,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:24:32,342 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 18:24:32,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755523048] [2021-04-28 18:24:32,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:24:32,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:24:32,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350180709] [2021-04-28 18:24:32,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:24:32,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:24:32,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:24:32,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:24:32,346 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 394 [2021-04-28 18:24:32,347 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 141 transitions, 1207 flow. Second operand has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 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 18:24:32,347 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:24:32,347 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 394 [2021-04-28 18:24:32,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:24:33,731 INFO L129 PetriNetUnfolder]: 6433/12557 cut-off events. [2021-04-28 18:24:33,731 INFO L130 PetriNetUnfolder]: For 31756/39560 co-relation queries the response was YES. [2021-04-28 18:24:33,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57536 conditions, 12557 events. 6433/12557 cut-off events. For 31756/39560 co-relation queries the response was YES. Maximal size of possible extension queue 2412. Compared 130763 event pairs, 39 based on Foata normal form. 134/5107 useless extension candidates. Maximal degree in co-relation 57504. Up to 5130 conditions per place. [2021-04-28 18:24:33,814 INFO L132 encePairwiseOnDemand]: 390/394 looper letters, 3 selfloop transitions, 3 changer transitions 0/142 dead transitions. [2021-04-28 18:24:33,814 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 142 transitions, 1221 flow [2021-04-28 18:24:33,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:24:33,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:24:33,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 995 transitions. [2021-04-28 18:24:33,820 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6313451776649747 [2021-04-28 18:24:33,821 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 995 transitions. [2021-04-28 18:24:33,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 995 transitions. [2021-04-28 18:24:33,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:24:33,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 995 transitions. [2021-04-28 18:24:33,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 248.75) internal successors, (995), 4 states have internal predecessors, (995), 0 states have call successors, (0), 0 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 18:24:33,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 394.0) internal successors, (1970), 5 states have internal predecessors, (1970), 0 states have call successors, (0), 0 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 18:24:33,828 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 394.0) internal successors, (1970), 5 states have internal predecessors, (1970), 0 states have call successors, (0), 0 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 18:24:33,828 INFO L185 Difference]: Start difference. First operand has 94 places, 141 transitions, 1207 flow. Second operand 4 states and 995 transitions. [2021-04-28 18:24:33,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 142 transitions, 1221 flow [2021-04-28 18:24:39,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 142 transitions, 913 flow, removed 69 selfloop flow, removed 11 redundant places. [2021-04-28 18:24:39,198 INFO L241 Difference]: Finished difference. Result has 88 places, 142 transitions, 915 flow [2021-04-28 18:24:39,198 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=899, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=915, PETRI_PLACES=88, PETRI_TRANSITIONS=142} [2021-04-28 18:24:39,199 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -66 predicate places. [2021-04-28 18:24:39,199 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:24:39,199 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 142 transitions, 915 flow [2021-04-28 18:24:39,199 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 142 transitions, 915 flow [2021-04-28 18:24:39,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 142 transitions, 915 flow [2021-04-28 18:24:40,135 INFO L129 PetriNetUnfolder]: 6433/12557 cut-off events. [2021-04-28 18:24:40,135 INFO L130 PetriNetUnfolder]: For 13968/15240 co-relation queries the response was YES. [2021-04-28 18:24:40,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45659 conditions, 12557 events. 6433/12557 cut-off events. For 13968/15240 co-relation queries the response was YES. Maximal size of possible extension queue 2454. Compared 132572 event pairs, 24 based on Foata normal form. 60/5154 useless extension candidates. Maximal degree in co-relation 45632. Up to 5130 conditions per place. [2021-04-28 18:24:40,394 INFO L146 LiptonReduction]: Number of co-enabled transitions 4016 [2021-04-28 18:24:51,070 INFO L158 LiptonReduction]: Checked pairs total: 1684 [2021-04-28 18:24:51,071 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:24:51,071 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11872 [2021-04-28 18:24:51,072 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 142 transitions, 915 flow [2021-04-28 18:24:51,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 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 18:24:51,073 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:24:51,073 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:24:51,073 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-28 18:24:51,073 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:24:51,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:24:51,074 INFO L82 PathProgramCache]: Analyzing trace with hash -630560871, now seen corresponding path program 1 times [2021-04-28 18:24:51,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:24:51,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158929392] [2021-04-28 18:24:51,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:24:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:24:51,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:51,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:24:51,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:51,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:24:51,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:24:51,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:24:51,172 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 18:24:51,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158929392] [2021-04-28 18:24:51,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:24:51,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:24:51,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608765293] [2021-04-28 18:24:51,173 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:24:51,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:24:51,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:24:51,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:24:51,176 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 394 [2021-04-28 18:24:51,177 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 142 transitions, 915 flow. Second operand has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 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 18:24:51,177 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:24:51,177 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 394 [2021-04-28 18:24:51,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:24:53,154 INFO L129 PetriNetUnfolder]: 11961/23028 cut-off events. [2021-04-28 18:24:53,155 INFO L130 PetriNetUnfolder]: For 26965/30336 co-relation queries the response was YES. [2021-04-28 18:24:53,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84006 conditions, 23028 events. 11961/23028 cut-off events. For 26965/30336 co-relation queries the response was YES. Maximal size of possible extension queue 4560. Compared 258864 event pairs, 50 based on Foata normal form. 185/9121 useless extension candidates. Maximal degree in co-relation 83977. Up to 9720 conditions per place. [2021-04-28 18:24:53,352 INFO L132 encePairwiseOnDemand]: 391/394 looper letters, 3 selfloop transitions, 2 changer transitions 4/143 dead transitions. [2021-04-28 18:24:53,352 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 143 transitions, 927 flow [2021-04-28 18:24:53,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:24:53,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:24:53,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 998 transitions. [2021-04-28 18:24:53,359 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.633248730964467 [2021-04-28 18:24:53,360 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 998 transitions. [2021-04-28 18:24:53,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 998 transitions. [2021-04-28 18:24:53,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:24:53,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 998 transitions. [2021-04-28 18:24:53,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 249.5) internal successors, (998), 4 states have internal predecessors, (998), 0 states have call successors, (0), 0 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 18:24:53,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 394.0) internal successors, (1970), 5 states have internal predecessors, (1970), 0 states have call successors, (0), 0 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 18:24:53,367 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 394.0) internal successors, (1970), 5 states have internal predecessors, (1970), 0 states have call successors, (0), 0 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 18:24:53,367 INFO L185 Difference]: Start difference. First operand has 88 places, 142 transitions, 915 flow. Second operand 4 states and 998 transitions. [2021-04-28 18:24:53,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 143 transitions, 927 flow [2021-04-28 18:25:20,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 143 transitions, 925 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:25:20,076 INFO L241 Difference]: Finished difference. Result has 92 places, 139 transitions, 904 flow [2021-04-28 18:25:20,076 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=913, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=904, PETRI_PLACES=92, PETRI_TRANSITIONS=139} [2021-04-28 18:25:20,077 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -62 predicate places. [2021-04-28 18:25:20,077 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:25:20,077 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 139 transitions, 904 flow [2021-04-28 18:25:20,077 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 139 transitions, 904 flow [2021-04-28 18:25:20,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 139 transitions, 904 flow [2021-04-28 18:25:21,979 INFO L129 PetriNetUnfolder]: 11874/22781 cut-off events. [2021-04-28 18:25:21,979 INFO L130 PetriNetUnfolder]: For 25584/26864 co-relation queries the response was YES. [2021-04-28 18:25:22,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83143 conditions, 22781 events. 11874/22781 cut-off events. For 25584/26864 co-relation queries the response was YES. Maximal size of possible extension queue 3808. Compared 253356 event pairs, 52 based on Foata normal form. 99/9298 useless extension candidates. Maximal degree in co-relation 83114. Up to 9720 conditions per place. [2021-04-28 18:25:22,450 INFO L146 LiptonReduction]: Number of co-enabled transitions 3828 [2021-04-28 18:26:02,461 INFO L158 LiptonReduction]: Checked pairs total: 856 [2021-04-28 18:26:02,461 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:26:02,462 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42385 [2021-04-28 18:26:02,463 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 139 transitions, 904 flow [2021-04-28 18:26:02,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 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 18:26:02,463 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:26:02,463 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:26:02,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-28 18:26:02,464 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:26:02,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:26:02,464 INFO L82 PathProgramCache]: Analyzing trace with hash 452953210, now seen corresponding path program 1 times [2021-04-28 18:26:02,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:26:02,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532057720] [2021-04-28 18:26:02,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:26:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:26:02,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:02,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:26:02,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:02,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:26:02,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:02,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:26:02,545 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 18:26:02,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532057720] [2021-04-28 18:26:02,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:26:02,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:26:02,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311698773] [2021-04-28 18:26:02,546 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:26:02,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:26:02,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:26:02,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:26:02,549 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 394 [2021-04-28 18:26:02,550 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 139 transitions, 904 flow. Second operand has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 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 18:26:02,550 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:26:02,550 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 394 [2021-04-28 18:26:02,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:26:06,279 INFO L129 PetriNetUnfolder]: 22933/43695 cut-off events. [2021-04-28 18:26:06,279 INFO L130 PetriNetUnfolder]: For 50675/55226 co-relation queries the response was YES. [2021-04-28 18:26:06,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 159691 conditions, 43695 events. 22933/43695 cut-off events. For 50675/55226 co-relation queries the response was YES. Maximal size of possible extension queue 8070. Compared 517628 event pairs, 95 based on Foata normal form. 266/17357 useless extension candidates. Maximal degree in co-relation 159660. Up to 18900 conditions per place. [2021-04-28 18:26:06,626 INFO L132 encePairwiseOnDemand]: 391/394 looper letters, 3 selfloop transitions, 2 changer transitions 14/140 dead transitions. [2021-04-28 18:26:06,626 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 140 transitions, 916 flow [2021-04-28 18:26:06,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:26:06,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:26:06,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1110 transitions. [2021-04-28 18:26:06,633 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7043147208121827 [2021-04-28 18:26:06,633 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1110 transitions. [2021-04-28 18:26:06,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1110 transitions. [2021-04-28 18:26:06,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:26:06,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1110 transitions. [2021-04-28 18:26:06,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 277.5) internal successors, (1110), 4 states have internal predecessors, (1110), 0 states have call successors, (0), 0 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 18:26:06,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 394.0) internal successors, (1970), 5 states have internal predecessors, (1970), 0 states have call successors, (0), 0 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 18:26:06,640 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 394.0) internal successors, (1970), 5 states have internal predecessors, (1970), 0 states have call successors, (0), 0 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 18:26:06,640 INFO L185 Difference]: Start difference. First operand has 91 places, 139 transitions, 904 flow. Second operand 4 states and 1110 transitions. [2021-04-28 18:26:06,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 140 transitions, 916 flow [2021-04-28 18:27:09,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 140 transitions, 915 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:27:09,851 INFO L241 Difference]: Finished difference. Result has 95 places, 126 transitions, 813 flow [2021-04-28 18:27:09,851 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=903, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=813, PETRI_PLACES=95, PETRI_TRANSITIONS=126} [2021-04-28 18:27:09,851 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -59 predicate places. [2021-04-28 18:27:09,852 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:27:09,852 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 126 transitions, 813 flow [2021-04-28 18:27:09,852 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 126 transitions, 813 flow [2021-04-28 18:27:09,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 126 transitions, 813 flow [2021-04-28 18:27:10,828 INFO L129 PetriNetUnfolder]: 6781/13386 cut-off events. [2021-04-28 18:27:10,828 INFO L130 PetriNetUnfolder]: For 14539/15309 co-relation queries the response was YES. [2021-04-28 18:27:10,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48834 conditions, 13386 events. 6781/13386 cut-off events. For 14539/15309 co-relation queries the response was YES. Maximal size of possible extension queue 2084. Compared 141324 event pairs, 29 based on Foata normal form. 69/5570 useless extension candidates. Maximal degree in co-relation 48803. Up to 5400 conditions per place. [2021-04-28 18:27:11,050 INFO L146 LiptonReduction]: Number of co-enabled transitions 2484 [2021-04-28 18:27:21,559 INFO L158 LiptonReduction]: Checked pairs total: 232 [2021-04-28 18:27:21,560 INFO L160 LiptonReduction]: Total number of compositions: 3 [2021-04-28 18:27:21,560 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11709 [2021-04-28 18:27:21,562 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 126 transitions, 819 flow [2021-04-28 18:27:21,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 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 18:27:21,563 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:27:21,563 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:27:21,563 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-28 18:27:21,563 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:27:21,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:27:21,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1396746328, now seen corresponding path program 2 times [2021-04-28 18:27:21,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:27:21,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581390672] [2021-04-28 18:27:21,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:27:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 18:27:21,635 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 18:27:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 18:27:21,707 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 18:27:21,754 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 18:27:21,754 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 18:27:21,754 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-04-28 18:27:21,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 06:27:21 BasicIcfg [2021-04-28 18:27:21,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 18:27:21,941 INFO L168 Benchmark]: Toolchain (without parser) took 356510.51 ms. Allocated memory was 310.4 MB in the beginning and 8.6 GB in the end (delta: 8.3 GB). Free memory was 285.1 MB in the beginning and 5.8 GB in the end (delta: -5.5 GB). Peak memory consumption was 2.8 GB. Max. memory is 16.0 GB. [2021-04-28 18:27:21,942 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 310.4 MB. Free memory is still 280.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 18:27:21,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 890.04 ms. Allocated memory is still 310.4 MB. Free memory was 281.9 MB in the beginning and 282.6 MB in the end (delta: -716.1 kB). Peak memory consumption was 33.7 MB. Max. memory is 16.0 GB. [2021-04-28 18:27:21,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.34 ms. Allocated memory is still 310.4 MB. Free memory was 282.6 MB in the beginning and 280.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 18:27:21,943 INFO L168 Benchmark]: Boogie Preprocessor took 85.41 ms. Allocated memory is still 310.4 MB. Free memory was 280.5 MB in the beginning and 277.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-04-28 18:27:21,943 INFO L168 Benchmark]: RCFGBuilder took 2513.19 ms. Allocated memory was 310.4 MB in the beginning and 377.5 MB in the end (delta: 67.1 MB). Free memory was 277.3 MB in the beginning and 268.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 167.8 MB. Max. memory is 16.0 GB. [2021-04-28 18:27:21,943 INFO L168 Benchmark]: TraceAbstraction took 352881.02 ms. Allocated memory was 377.5 MB in the beginning and 8.6 GB in the end (delta: 8.2 GB). Free memory was 266.9 MB in the beginning and 5.8 GB in the end (delta: -5.6 GB). Peak memory consumption was 2.7 GB. Max. memory is 16.0 GB. [2021-04-28 18:27:21,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 310.4 MB. Free memory is still 280.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 890.04 ms. Allocated memory is still 310.4 MB. Free memory was 281.9 MB in the beginning and 282.6 MB in the end (delta: -716.1 kB). Peak memory consumption was 33.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 71.34 ms. Allocated memory is still 310.4 MB. Free memory was 282.6 MB in the beginning and 280.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 85.41 ms. Allocated memory is still 310.4 MB. Free memory was 280.5 MB in the beginning and 277.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2513.19 ms. Allocated memory was 310.4 MB in the beginning and 377.5 MB in the end (delta: 67.1 MB). Free memory was 277.3 MB in the beginning and 268.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 167.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 352881.02 ms. Allocated memory was 377.5 MB in the beginning and 8.6 GB in the end (delta: 8.2 GB). Free memory was 266.9 MB in the beginning and 5.8 GB in the end (delta: -5.6 GB). Peak memory consumption was 2.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 153725.1ms, 125 PlacesBefore, 154 PlacesAfterwards, 114 TransitionsBefore, 143 TransitionsAfterwards, 2766 CoEnabledTransitionPairs, 9 FixpointIterations, 183 TrivialSequentialCompositions, 91 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 275 TotalNumberOfCompositions, 27736 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7091, positive: 6706, positive conditional: 6706, positive unconditional: 0, negative: 385, negative conditional: 385, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2908, positive: 2814, positive conditional: 0, positive unconditional: 2814, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2908, positive: 2814, positive conditional: 0, positive unconditional: 2814, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2908, positive: 2770, positive conditional: 0, positive unconditional: 2770, negative: 138, negative conditional: 0, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 138, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2853, positive: 180, positive conditional: 0, positive unconditional: 180, negative: 2674, negative conditional: 0, negative unconditional: 2674, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7091, positive: 3892, positive conditional: 3892, positive unconditional: 0, negative: 291, negative conditional: 291, negative unconditional: 0, unknown: 2908, unknown conditional: 2908, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2908, Positive cache size: 2814, Positive conditional cache size: 2814, 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: 582.4ms, 149 PlacesBefore, 64 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 1634 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1668 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 278, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 44, negative conditional: 44, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 124, positive: 110, positive conditional: 7, positive unconditional: 103, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 124, positive: 110, positive conditional: 7, positive unconditional: 103, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 124, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 558, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 525, negative conditional: 0, negative unconditional: 525, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 278, positive: 124, positive conditional: 124, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 124, unknown conditional: 124, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3032, Positive cache size: 2924, Positive conditional cache size: 2924, Positive unconditional cache size: 0, Negative cache size: 108, Negative conditional cache size: 108, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 639.1ms, 65 PlacesBefore, 51 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 920 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2278 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 586, positive: 503, positive conditional: 503, positive unconditional: 0, negative: 83, negative conditional: 83, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 165, positive: 145, positive conditional: 43, positive unconditional: 102, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 165, positive: 145, positive conditional: 43, positive unconditional: 102, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 165, positive: 129, positive conditional: 0, positive unconditional: 129, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 543, positive: 89, positive conditional: 0, positive unconditional: 89, negative: 454, negative conditional: 0, negative unconditional: 454, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 586, positive: 358, positive conditional: 358, positive unconditional: 0, negative: 63, negative conditional: 63, negative unconditional: 0, unknown: 165, unknown conditional: 165, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3197, Positive cache size: 3069, Positive conditional cache size: 3069, Positive unconditional cache size: 0, Negative cache size: 128, Negative conditional cache size: 128, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 223.2ms, 52 PlacesBefore, 52 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 994 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1042 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 310, positive: 273, positive conditional: 273, positive unconditional: 0, negative: 37, negative conditional: 37, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, positive: 44, positive conditional: 14, positive unconditional: 30, 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: 48, positive: 44, positive conditional: 14, positive unconditional: 30, 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: 48, positive: 44, positive conditional: 0, positive unconditional: 44, 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: 206, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 206, negative conditional: 0, negative unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 310, positive: 229, positive conditional: 229, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3245, Positive cache size: 3113, Positive conditional cache size: 3113, Positive unconditional cache size: 0, Negative cache size: 132, Negative conditional cache size: 132, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 207.8ms, 55 PlacesBefore, 55 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 1098 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 625 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 205, positive: 185, positive conditional: 185, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, positive: 36, positive conditional: 12, positive unconditional: 24, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39, positive: 36, positive conditional: 12, positive unconditional: 24, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 160, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 160, negative conditional: 124, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 205, positive: 149, positive conditional: 149, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3284, Positive cache size: 3149, Positive conditional cache size: 3149, Positive unconditional cache size: 0, Negative cache size: 135, Negative conditional cache size: 135, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 116.4ms, 57 PlacesBefore, 57 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 1202 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 541 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 135, positive: 119, positive conditional: 119, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 16, positive conditional: 12, positive unconditional: 4, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18, positive: 16, positive conditional: 12, positive unconditional: 4, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 135, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3302, Positive cache size: 3165, Positive conditional cache size: 3165, Positive unconditional cache size: 0, Negative cache size: 137, Negative conditional cache size: 137, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 147.0ms, 61 PlacesBefore, 61 PlacesAfterwards, 54 TransitionsBefore, 54 TransitionsAfterwards, 1294 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 609 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 147, positive: 130, positive conditional: 130, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 16, positive conditional: 12, positive unconditional: 4, 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: 17, positive: 16, positive conditional: 12, positive unconditional: 4, 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: 17, positive: 16, positive conditional: 0, positive unconditional: 16, 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: 41, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 147, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3319, Positive cache size: 3181, Positive conditional cache size: 3181, Positive unconditional cache size: 0, Negative cache size: 138, Negative conditional cache size: 138, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 213.8ms, 65 PlacesBefore, 65 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 1416 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 824 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 152, positive: 131, positive conditional: 131, 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: 19, positive: 17, positive conditional: 9, positive unconditional: 8, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, positive: 17, positive conditional: 9, positive unconditional: 8, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 152, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3338, Positive cache size: 3198, Positive conditional cache size: 3198, Positive unconditional cache size: 0, Negative cache size: 140, Negative conditional cache size: 140, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 157.5ms, 68 PlacesBefore, 68 PlacesAfterwards, 69 TransitionsBefore, 69 TransitionsAfterwards, 1674 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1284 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 283, positive: 255, positive conditional: 255, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38, positive: 36, positive conditional: 34, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 38, positive: 36, positive conditional: 34, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 38, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 283, positive: 219, positive conditional: 219, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3376, Positive cache size: 3234, Positive conditional cache size: 3234, Positive unconditional cache size: 0, Negative cache size: 142, Negative conditional cache size: 142, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 152.4ms, 71 PlacesBefore, 71 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 1646 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1263 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 290, positive: 262, positive conditional: 262, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 290, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3392, Positive cache size: 3250, Positive conditional cache size: 3250, Positive unconditional cache size: 0, Negative cache size: 142, Negative conditional cache size: 142, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 226.4ms, 73 PlacesBefore, 73 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 1862 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1733 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 435, positive: 401, positive conditional: 401, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51, positive: 50, positive conditional: 46, positive unconditional: 4, 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: 51, positive: 50, positive conditional: 46, positive unconditional: 4, 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: 51, positive: 50, positive conditional: 0, positive unconditional: 50, 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: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 435, positive: 351, positive conditional: 351, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 51, unknown conditional: 51, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3443, Positive cache size: 3300, Positive conditional cache size: 3300, Positive unconditional cache size: 0, Negative cache size: 143, Negative conditional cache size: 143, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1970.9ms, 76 PlacesBefore, 76 PlacesAfterwards, 101 TransitionsBefore, 101 TransitionsAfterwards, 2840 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2047 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 784, positive: 754, positive conditional: 754, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 106, positive: 104, positive conditional: 70, positive unconditional: 34, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 106, positive: 104, positive conditional: 70, positive unconditional: 34, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 106, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 784, positive: 650, positive conditional: 650, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 106, unknown conditional: 106, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3549, Positive cache size: 3404, Positive conditional cache size: 3404, Positive unconditional cache size: 0, Negative cache size: 145, Negative conditional cache size: 145, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1739.7ms, 84 PlacesBefore, 84 PlacesAfterwards, 122 TransitionsBefore, 122 TransitionsAfterwards, 3652 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2147 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 791, positive: 765, positive conditional: 765, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 96, positive: 96, positive conditional: 73, positive unconditional: 23, 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: 96, positive: 96, positive conditional: 73, positive unconditional: 23, 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: 96, positive: 96, positive conditional: 0, positive unconditional: 96, 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: 791, positive: 669, positive conditional: 669, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 96, unknown conditional: 96, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3645, Positive cache size: 3500, Positive conditional cache size: 3500, Positive unconditional cache size: 0, Negative cache size: 145, Negative conditional cache size: 145, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1241.7ms, 88 PlacesBefore, 88 PlacesAfterwards, 141 TransitionsBefore, 141 TransitionsAfterwards, 3986 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2279 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 995, positive: 970, positive conditional: 970, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 167, positive: 167, positive conditional: 160, positive unconditional: 7, 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: 167, positive: 167, positive conditional: 160, positive unconditional: 7, 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: 167, positive: 167, positive conditional: 0, positive unconditional: 167, 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: 995, positive: 803, positive conditional: 803, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 167, unknown conditional: 167, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3812, Positive cache size: 3667, Positive conditional cache size: 3667, Positive unconditional cache size: 0, Negative cache size: 145, Negative conditional cache size: 145, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4158.6ms, 95 PlacesBefore, 94 PlacesAfterwards, 141 TransitionsBefore, 141 TransitionsAfterwards, 3926 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2409 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1011, positive: 984, positive conditional: 984, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 226, positive: 226, positive conditional: 223, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 226, positive: 226, positive conditional: 223, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 226, positive: 226, positive conditional: 0, positive unconditional: 226, 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: 1011, positive: 758, positive conditional: 758, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 226, unknown conditional: 226, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4038, Positive cache size: 3893, Positive conditional cache size: 3893, Positive unconditional cache size: 0, Negative cache size: 145, Negative conditional cache size: 145, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11871.3ms, 88 PlacesBefore, 88 PlacesAfterwards, 142 TransitionsBefore, 142 TransitionsAfterwards, 4016 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1684 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 837, positive: 818, positive conditional: 818, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 133, positive: 133, positive conditional: 128, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 133, positive: 133, positive conditional: 128, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 133, positive: 133, positive conditional: 0, positive unconditional: 133, 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: 837, positive: 685, positive conditional: 685, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 133, unknown conditional: 133, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4171, Positive cache size: 4026, Positive conditional cache size: 4026, Positive unconditional cache size: 0, Negative cache size: 145, Negative conditional cache size: 145, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42384.2ms, 92 PlacesBefore, 91 PlacesAfterwards, 139 TransitionsBefore, 139 TransitionsAfterwards, 3828 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 856 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 410, positive: 400, positive conditional: 400, positive unconditional: 0, negative: 10, negative conditional: 10, 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: 2, 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: 6, positive: 6, positive conditional: 2, 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: 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: 410, positive: 394, positive conditional: 394, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4177, Positive cache size: 4032, Positive conditional cache size: 4032, Positive unconditional cache size: 0, Negative cache size: 145, Negative conditional cache size: 145, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11707.6ms, 95 PlacesBefore, 90 PlacesAfterwards, 126 TransitionsBefore, 126 TransitionsAfterwards, 2484 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 232 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 232, positive: 232, positive conditional: 232, 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: 156, positive: 156, positive conditional: 145, positive unconditional: 11, 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: 156, positive: 156, positive conditional: 145, positive unconditional: 11, 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: 156, positive: 156, positive conditional: 0, positive unconditional: 156, 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: 232, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 156, unknown conditional: 156, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4333, Positive cache size: 4188, Positive conditional cache size: 4188, Positive unconditional cache size: 0, Negative cache size: 145, Negative conditional cache size: 145, 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: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L725] 0 _Bool x$flush_delayed; [L726] 0 int x$mem_tmp; [L727] 0 _Bool x$r_buff0_thd0; [L728] 0 _Bool x$r_buff0_thd1; [L729] 0 _Bool x$r_buff0_thd2; [L730] 0 _Bool x$r_buff0_thd3; [L731] 0 _Bool x$r_buff0_thd4; [L732] 0 _Bool x$r_buff1_thd0; [L733] 0 _Bool x$r_buff1_thd1; [L734] 0 _Bool x$r_buff1_thd2; [L735] 0 _Bool x$r_buff1_thd3; [L736] 0 _Bool x$r_buff1_thd4; [L737] 0 _Bool x$read_delayed; [L738] 0 int *x$read_delayed_var; [L739] 0 int x$w_buff0; [L740] 0 _Bool x$w_buff0_used; [L741] 0 int x$w_buff1; [L742] 0 _Bool x$w_buff1_used; [L744] 0 int y = 0; [L746] 0 int z = 0; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L853] 0 pthread_t t489; [L854] FCALL, FORK 0 pthread_create(&t489, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L855] 0 pthread_t t490; [L856] FCALL, FORK 0 pthread_create(&t490, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L857] 0 pthread_t t491; [L858] FCALL, FORK 0 pthread_create(&t491, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L772] 2 x$w_buff1 = x$w_buff0 [L773] 2 x$w_buff0 = 2 [L774] 2 x$w_buff1_used = x$w_buff0_used [L775] 2 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L777] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L778] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L779] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L780] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L781] 2 x$r_buff1_thd4 = x$r_buff0_thd4 [L782] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L785] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L802] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L805] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L859] 0 pthread_t t492; [L860] FCALL, FORK 0 pthread_create(&t492, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L822] 4 z = 1 [L825] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L828] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L752] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L755] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L788] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L788] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L789] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L789] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L790] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L790] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L791] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L792] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L808] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L808] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L808] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L808] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L809] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L809] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L810] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L810] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L811] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L811] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L812] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L812] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L758] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L758] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L758] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L758] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L759] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L759] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L760] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L760] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L761] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L761] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L762] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L762] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L831] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L831] EXPR 4 x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x [L831] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L831] 4 x = x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L832] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$w_buff0_used [L832] 4 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$w_buff0_used [L833] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$w_buff1_used [L833] 4 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$w_buff1_used [L834] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$r_buff0_thd4 [L834] 4 x$r_buff0_thd4 = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$r_buff0_thd4 [L835] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$r_buff1_thd4 [L835] 4 x$r_buff1_thd4 = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$r_buff1_thd4 [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L767] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 2 return 0; [L815] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L838] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L840] 4 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L862] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L866] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L866] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L866] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L866] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L867] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L867] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L868] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L868] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L869] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L869] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L870] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L870] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L873] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L874] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L875] 0 x$flush_delayed = weak$$choice2 [L876] 0 x$mem_tmp = x [L877] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L877] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L878] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L878] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L879] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L879] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L880] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L880] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L881] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L881] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L882] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L882] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L883] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L883] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L884] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L885] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L885] 0 x = x$flush_delayed ? x$mem_tmp : x [L886] 0 x$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 117 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 14.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 352535.4ms, OverallIterations: 18, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 117433.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 153891.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 81 SDtfs, 77 SDslu, 24 SDs, 0 SdLazy, 772 SolverSat, 276 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2057.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1305.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1293occurred in iteration=13, InterpolantAutomatonStates: 85, 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: 67.4ms SsaConstructionTime, 800.4ms SatisfiabilityAnalysisTime, 2034.2ms InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 1513 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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...