/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi002_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 14:41:42,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 14:41:42,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 14:41:42,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 14:41:42,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 14:41:42,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 14:41:42,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 14:41:42,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 14:41:42,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 14:41:42,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 14:41:42,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 14:41:42,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 14:41:42,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 14:41:42,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 14:41:42,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 14:41:42,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 14:41:42,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 14:41:42,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 14:41:42,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 14:41:42,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 14:41:42,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 14:41:42,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 14:41:42,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 14:41:42,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 14:41:42,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 14:41:42,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 14:41:42,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 14:41:42,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 14:41:42,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 14:41:42,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 14:41:42,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 14:41:42,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 14:41:42,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 14:41:42,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 14:41:42,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 14:41:42,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 14:41:42,887 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2021-03-25 14:41:42,921 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 14:41:42,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 14:41:42,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 14:41:42,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 14:41:42,925 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 14:41:42,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 14:41:42,925 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 14:41:42,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 14:41:42,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 14:41:42,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 14:41:42,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 14:41:42,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 14:41:42,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 14:41:42,927 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 14:41:42,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 14:41:42,927 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 14:41:42,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 14:41:42,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 14:41:42,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 14:41:42,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 14:41:42,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 14:41:42,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 14:41:42,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 14:41:42,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 14:41:42,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 14:41:42,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 14:41:42,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 14:41:42,929 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 14:41:42,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 14:41:42,930 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 14:41:43,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 14:41:43,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 14:41:43,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 14:41:43,298 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 14:41:43,298 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 14:41:43,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_pso.oepc.i [2021-03-25 14:41:43,351 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9457ac05f/277e9d5c12eb4ab4a9b265c7421a4b8a/FLAG22d4b9fa0 [2021-03-25 14:41:43,827 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 14:41:43,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_pso.oepc.i [2021-03-25 14:41:43,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9457ac05f/277e9d5c12eb4ab4a9b265c7421a4b8a/FLAG22d4b9fa0 [2021-03-25 14:41:44,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9457ac05f/277e9d5c12eb4ab4a9b265c7421a4b8a [2021-03-25 14:41:44,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 14:41:44,147 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 14:41:44,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 14:41:44,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 14:41:44,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 14:41:44,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:41:44" (1/1) ... [2021-03-25 14:41:44,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac061eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:44, skipping insertion in model container [2021-03-25 14:41:44,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:41:44" (1/1) ... [2021-03-25 14:41:44,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 14:41:44,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 14:41:44,325 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/rfi002_pso.oepc.i[992,1005] [2021-03-25 14:41:44,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:41:44,604 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 14:41:44,621 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/rfi002_pso.oepc.i[992,1005] [2021-03-25 14:41:44,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:41:44,743 INFO L208 MainTranslator]: Completed translation [2021-03-25 14:41:44,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:44 WrapperNode [2021-03-25 14:41:44,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 14:41:44,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 14:41:44,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 14:41:44,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 14:41:44,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:44" (1/1) ... [2021-03-25 14:41:44,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:44" (1/1) ... [2021-03-25 14:41:44,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 14:41:44,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 14:41:44,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 14:41:44,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 14:41:44,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:44" (1/1) ... [2021-03-25 14:41:44,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:44" (1/1) ... [2021-03-25 14:41:44,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:44" (1/1) ... [2021-03-25 14:41:44,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:44" (1/1) ... [2021-03-25 14:41:44,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:44" (1/1) ... [2021-03-25 14:41:44,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:44" (1/1) ... [2021-03-25 14:41:44,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:44" (1/1) ... [2021-03-25 14:41:44,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 14:41:44,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 14:41:44,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 14:41:44,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 14:41:44,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 14:41:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 14:41:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 14:41:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 14:41:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 14:41:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 14:41:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 14:41:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 14:41:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 14:41:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 14:41:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 14:41:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 14:41:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 14:41:44,963 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 14:41:47,622 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 14:41:47,623 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 14:41:47,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:41:47 BoogieIcfgContainer [2021-03-25 14:41:47,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 14:41:47,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 14:41:47,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 14:41:47,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 14:41:47,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 02:41:44" (1/3) ... [2021-03-25 14:41:47,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13170f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:41:47, skipping insertion in model container [2021-03-25 14:41:47,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:44" (2/3) ... [2021-03-25 14:41:47,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13170f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:41:47, skipping insertion in model container [2021-03-25 14:41:47,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:41:47" (3/3) ... [2021-03-25 14:41:47,632 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi002_pso.oepc.i [2021-03-25 14:41:47,638 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 14:41:47,642 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 14:41:47,643 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 14:41:47,689 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,690 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,690 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,690 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,690 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,690 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,690 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,690 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,690 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,691 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,691 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,691 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,691 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,691 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,691 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,691 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,691 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,692 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,692 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,692 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,692 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,692 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,692 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,692 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,692 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,693 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,693 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,693 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,693 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,694 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,694 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,694 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,694 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,694 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,694 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,694 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,695 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,695 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,695 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,695 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,695 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,695 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,695 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,695 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,695 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,703 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,703 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,703 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,703 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,703 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,709 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,709 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,709 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,710 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,717 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,717 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,717 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,717 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,717 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,717 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,717 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,717 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,718 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,718 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,718 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,718 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,723 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,730 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,730 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,730 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,730 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,732 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,742 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,743 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,749 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,750 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,751 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:47,753 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 14:41:47,769 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-25 14:41:47,789 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 14:41:47,790 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 14:41:47,790 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 14:41:47,790 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 14:41:47,790 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 14:41:47,790 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 14:41:47,790 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 14:41:47,790 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 14:41:47,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 85 transitions, 180 flow [2021-03-25 14:41:47,832 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-25 14:41:47,833 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:41:47,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-03-25 14:41:47,841 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 85 transitions, 180 flow [2021-03-25 14:41:47,847 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 83 transitions, 172 flow [2021-03-25 14:41:47,848 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:41:47,859 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 83 transitions, 172 flow [2021-03-25 14:41:47,863 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 83 transitions, 172 flow [2021-03-25 14:41:47,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 83 transitions, 172 flow [2021-03-25 14:41:47,893 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-25 14:41:47,894 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:41:47,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-03-25 14:41:47,897 INFO L142 LiptonReduction]: Number of co-enabled transitions 1124 [2021-03-25 14:41:48,970 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-03-25 14:41:49,587 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2021-03-25 14:41:51,082 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-25 14:41:51,690 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-25 14:41:51,978 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 14:41:52,348 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 14:41:52,463 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-25 14:41:53,696 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-25 14:41:54,032 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-25 14:41:55,294 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 267 DAG size of output: 266 [2021-03-25 14:41:55,915 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-03-25 14:41:56,748 INFO L154 LiptonReduction]: Checked pairs total: 1858 [2021-03-25 14:41:56,748 INFO L156 LiptonReduction]: Total number of compositions: 57 [2021-03-25 14:41:56,754 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8907 [2021-03-25 14:41:56,764 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-25 14:41:56,765 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:41:56,765 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:41:56,766 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:41:56,766 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:41:56,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:41:56,775 INFO L82 PathProgramCache]: Analyzing trace with hash 985276753, now seen corresponding path program 1 times [2021-03-25 14:41:56,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:41:56,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612449176] [2021-03-25 14:41:56,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:41:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:41:57,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:41:57,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:41:57,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:41:57,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:41:57,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:41:57,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612449176] [2021-03-25 14:41:57,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:41:57,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:41:57,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076244181] [2021-03-25 14:41:57,033 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:41:57,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:41:57,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:41:57,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:41:57,048 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 142 [2021-03-25 14:41:57,052 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:41:57,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:41:57,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 142 [2021-03-25 14:41:57,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:41:57,171 INFO L129 PetriNetUnfolder]: 57/161 cut-off events. [2021-03-25 14:41:57,171 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:41:57,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 161 events. 57/161 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 699 event pairs, 6 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 256. Up to 88 conditions per place. [2021-03-25 14:41:57,175 INFO L132 encePairwiseOnDemand]: 138/142 looper letters, 12 selfloop transitions, 2 changer transitions 0/35 dead transitions. [2021-03-25 14:41:57,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 35 transitions, 104 flow [2021-03-25 14:41:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:41:57,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:41:57,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2021-03-25 14:41:57,190 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8568075117370892 [2021-03-25 14:41:57,191 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 365 transitions. [2021-03-25 14:41:57,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 365 transitions. [2021-03-25 14:41:57,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:41:57,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 365 transitions. [2021-03-25 14:41:57,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:41:57,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:41:57,202 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:41:57,203 INFO L185 Difference]: Start difference. First operand has 38 places, 32 transitions, 70 flow. Second operand 3 states and 365 transitions. [2021-03-25 14:41:57,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 35 transitions, 104 flow [2021-03-25 14:41:57,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 35 transitions, 102 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:41:57,206 INFO L241 Difference]: Finished difference. Result has 37 places, 30 transitions, 68 flow [2021-03-25 14:41:57,208 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2021-03-25 14:41:57,208 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2021-03-25 14:41:57,209 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:41:57,209 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 30 transitions, 68 flow [2021-03-25 14:41:57,209 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 30 transitions, 68 flow [2021-03-25 14:41:57,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 30 transitions, 68 flow [2021-03-25 14:41:57,214 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-03-25 14:41:57,214 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:41:57,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 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. [2021-03-25 14:41:57,214 INFO L142 LiptonReduction]: Number of co-enabled transitions 210 [2021-03-25 14:41:58,052 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-25 14:41:58,356 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-25 14:41:59,002 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-25 14:41:59,635 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-25 14:42:00,382 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2021-03-25 14:42:00,703 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2021-03-25 14:42:01,416 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2021-03-25 14:42:02,134 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2021-03-25 14:42:03,012 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 173 [2021-03-25 14:42:03,317 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2021-03-25 14:42:04,567 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 298 DAG size of output: 253 [2021-03-25 14:42:05,115 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-03-25 14:42:05,119 INFO L154 LiptonReduction]: Checked pairs total: 754 [2021-03-25 14:42:05,119 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-25 14:42:05,119 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7910 [2021-03-25 14:42:05,120 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 20 transitions, 48 flow [2021-03-25 14:42:05,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:05,121 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:05,121 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:05,121 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 14:42:05,121 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:05,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:05,121 INFO L82 PathProgramCache]: Analyzing trace with hash 575567191, now seen corresponding path program 1 times [2021-03-25 14:42:05,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:05,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444171092] [2021-03-25 14:42:05,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:05,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:05,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:42:05,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:05,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:05,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:05,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 14:42:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:05,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444171092] [2021-03-25 14:42:05,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:05,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:42:05,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614171912] [2021-03-25 14:42:05,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:42:05,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:05,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:42:05,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:42:05,245 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 153 [2021-03-25 14:42:05,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 20 transitions, 48 flow. Second operand has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:05,246 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:05,246 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 153 [2021-03-25 14:42:05,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:05,293 INFO L129 PetriNetUnfolder]: 1/23 cut-off events. [2021-03-25 14:42:05,293 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:42:05,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 23 events. 1/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 36 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 27. Up to 3 conditions per place. [2021-03-25 14:42:05,294 INFO L132 encePairwiseOnDemand]: 149/153 looper letters, 1 selfloop transitions, 2 changer transitions 4/22 dead transitions. [2021-03-25 14:42:05,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 22 transitions, 64 flow [2021-03-25 14:42:05,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:42:05,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:42:05,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 622 transitions. [2021-03-25 14:42:05,299 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8130718954248366 [2021-03-25 14:42:05,300 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 622 transitions. [2021-03-25 14:42:05,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 622 transitions. [2021-03-25 14:42:05,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:05,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 622 transitions. [2021-03-25 14:42:05,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 124.4) internal successors, (622), 5 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:05,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:05,307 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:05,307 INFO L185 Difference]: Start difference. First operand has 27 places, 20 transitions, 48 flow. Second operand 5 states and 622 transitions. [2021-03-25 14:42:05,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 22 transitions, 64 flow [2021-03-25 14:42:05,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 22 transitions, 60 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:42:05,308 INFO L241 Difference]: Finished difference. Result has 30 places, 18 transitions, 48 flow [2021-03-25 14:42:05,308 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=48, PETRI_PLACES=30, PETRI_TRANSITIONS=18} [2021-03-25 14:42:05,308 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -8 predicate places. [2021-03-25 14:42:05,309 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:05,309 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 18 transitions, 48 flow [2021-03-25 14:42:05,309 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 18 transitions, 48 flow [2021-03-25 14:42:05,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 26 places, 18 transitions, 48 flow [2021-03-25 14:42:05,315 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-03-25 14:42:05,316 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:42:05,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 18 events. 0/18 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 14:42:05,316 INFO L142 LiptonReduction]: Number of co-enabled transitions 108 [2021-03-25 14:42:05,906 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-25 14:42:06,049 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-25 14:42:06,309 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-25 14:42:06,436 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-25 14:42:06,443 INFO L154 LiptonReduction]: Checked pairs total: 402 [2021-03-25 14:42:06,443 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:42:06,443 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1134 [2021-03-25 14:42:06,444 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 16 transitions, 44 flow [2021-03-25 14:42:06,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,445 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:06,445 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:06,445 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 14:42:06,445 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:06,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:06,445 INFO L82 PathProgramCache]: Analyzing trace with hash 2023798941, now seen corresponding path program 1 times [2021-03-25 14:42:06,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:06,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283331661] [2021-03-25 14:42:06,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:06,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:06,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:06,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:06,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283331661] [2021-03-25 14:42:06,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:06,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 14:42:06,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870767874] [2021-03-25 14:42:06,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:42:06,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:06,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:42:06,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:42:06,584 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 155 [2021-03-25 14:42:06,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 16 transitions, 44 flow. Second operand has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:06,585 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 155 [2021-03-25 14:42:06,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:06,601 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-03-25 14:42:06,601 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 14:42:06,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 16 events. 0/16 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 1/17 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 14:42:06,601 INFO L132 encePairwiseOnDemand]: 152/155 looper letters, 1 selfloop transitions, 2 changer transitions 0/16 dead transitions. [2021-03-25 14:42:06,601 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 16 transitions, 50 flow [2021-03-25 14:42:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:42:06,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:42:06,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 400 transitions. [2021-03-25 14:42:06,604 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8602150537634409 [2021-03-25 14:42:06,604 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 400 transitions. [2021-03-25 14:42:06,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 400 transitions. [2021-03-25 14:42:06,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:06,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 400 transitions. [2021-03-25 14:42:06,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,607 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,607 INFO L185 Difference]: Start difference. First operand has 24 places, 16 transitions, 44 flow. Second operand 3 states and 400 transitions. [2021-03-25 14:42:06,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 16 transitions, 50 flow [2021-03-25 14:42:06,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 16 transitions, 46 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:42:06,608 INFO L241 Difference]: Finished difference. Result has 25 places, 16 transitions, 48 flow [2021-03-25 14:42:06,608 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=48, PETRI_PLACES=25, PETRI_TRANSITIONS=16} [2021-03-25 14:42:06,608 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -13 predicate places. [2021-03-25 14:42:06,608 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:06,608 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 16 transitions, 48 flow [2021-03-25 14:42:06,608 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 25 places, 16 transitions, 48 flow [2021-03-25 14:42:06,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 16 transitions, 48 flow [2021-03-25 14:42:06,612 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-03-25 14:42:06,612 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 14:42:06,613 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 16 events. 0/16 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 14:42:06,613 INFO L142 LiptonReduction]: Number of co-enabled transitions 104 [2021-03-25 14:42:06,688 INFO L154 LiptonReduction]: Checked pairs total: 124 [2021-03-25 14:42:06,688 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:06,689 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 81 [2021-03-25 14:42:06,692 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 16 transitions, 48 flow [2021-03-25 14:42:06,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,692 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:06,692 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:06,692 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 14:42:06,692 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:06,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:06,693 INFO L82 PathProgramCache]: Analyzing trace with hash -2146702797, now seen corresponding path program 1 times [2021-03-25 14:42:06,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:06,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549170706] [2021-03-25 14:42:06,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:06,834 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-03-25 14:42:06,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:06,842 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-25 14:42:06,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 14:42:06,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:06,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 14:42:06,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:06,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 14:42:06,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:06,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549170706] [2021-03-25 14:42:06,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:06,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:42:06,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135317659] [2021-03-25 14:42:06,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:42:06,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:06,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:42:06,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:42:06,884 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 155 [2021-03-25 14:42:06,885 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 16 transitions, 48 flow. Second operand has 6 states, 6 states have (on average 102.33333333333333) internal successors, (614), 6 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,885 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:06,885 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 155 [2021-03-25 14:42:06,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:07,086 INFO L129 PetriNetUnfolder]: 167/307 cut-off events. [2021-03-25 14:42:07,086 INFO L130 PetriNetUnfolder]: For 62/62 co-relation queries the response was YES. [2021-03-25 14:42:07,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 721 conditions, 307 events. 167/307 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1255 event pairs, 28 based on Foata normal form. 9/314 useless extension candidates. Maximal degree in co-relation 710. Up to 98 conditions per place. [2021-03-25 14:42:07,092 INFO L132 encePairwiseOnDemand]: 145/155 looper letters, 21 selfloop transitions, 10 changer transitions 20/55 dead transitions. [2021-03-25 14:42:07,092 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 55 transitions, 245 flow [2021-03-25 14:42:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 14:42:07,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 14:42:07,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 862 transitions. [2021-03-25 14:42:07,096 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6951612903225807 [2021-03-25 14:42:07,096 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 862 transitions. [2021-03-25 14:42:07,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 862 transitions. [2021-03-25 14:42:07,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:07,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 862 transitions. [2021-03-25 14:42:07,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 107.75) internal successors, (862), 8 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:07,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:07,102 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:07,102 INFO L185 Difference]: Start difference. First operand has 25 places, 16 transitions, 48 flow. Second operand 8 states and 862 transitions. [2021-03-25 14:42:07,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 55 transitions, 245 flow [2021-03-25 14:42:07,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 55 transitions, 235 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:42:07,106 INFO L241 Difference]: Finished difference. Result has 36 places, 25 transitions, 129 flow [2021-03-25 14:42:07,106 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=129, PETRI_PLACES=36, PETRI_TRANSITIONS=25} [2021-03-25 14:42:07,107 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -2 predicate places. [2021-03-25 14:42:07,107 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:07,107 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 25 transitions, 129 flow [2021-03-25 14:42:07,107 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 25 transitions, 129 flow [2021-03-25 14:42:07,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 25 transitions, 129 flow [2021-03-25 14:42:07,122 INFO L129 PetriNetUnfolder]: 29/94 cut-off events. [2021-03-25 14:42:07,122 INFO L130 PetriNetUnfolder]: For 72/74 co-relation queries the response was YES. [2021-03-25 14:42:07,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 94 events. 29/94 cut-off events. For 72/74 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 376 event pairs, 11 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 264. Up to 49 conditions per place. [2021-03-25 14:42:07,124 INFO L142 LiptonReduction]: Number of co-enabled transitions 102 [2021-03-25 14:42:07,125 INFO L154 LiptonReduction]: Checked pairs total: 33 [2021-03-25 14:42:07,126 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:07,126 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-03-25 14:42:07,131 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 25 transitions, 129 flow [2021-03-25 14:42:07,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 102.33333333333333) internal successors, (614), 6 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:07,131 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:07,132 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:07,132 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 14:42:07,132 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:07,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:07,132 INFO L82 PathProgramCache]: Analyzing trace with hash -2034583339, now seen corresponding path program 2 times [2021-03-25 14:42:07,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:07,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640575646] [2021-03-25 14:42:07,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:07,261 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-25 14:42:07,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:42:07,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:07,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:07,272 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.0 percent of original size [2021-03-25 14:42:07,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 14:42:07,290 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.0 percent of original size [2021-03-25 14:42:07,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 14:42:07,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:07,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 14:42:07,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:07,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640575646] [2021-03-25 14:42:07,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:07,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:42:07,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095191727] [2021-03-25 14:42:07,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:42:07,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:07,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:42:07,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:42:07,311 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 155 [2021-03-25 14:42:07,312 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 25 transitions, 129 flow. Second operand has 6 states, 6 states have (on average 95.5) internal successors, (573), 6 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:07,312 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:07,312 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 155 [2021-03-25 14:42:07,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:07,602 INFO L129 PetriNetUnfolder]: 125/240 cut-off events. [2021-03-25 14:42:07,602 INFO L130 PetriNetUnfolder]: For 291/294 co-relation queries the response was YES. [2021-03-25 14:42:07,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 240 events. 125/240 cut-off events. For 291/294 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 885 event pairs, 6 based on Foata normal form. 3/241 useless extension candidates. Maximal degree in co-relation 822. Up to 104 conditions per place. [2021-03-25 14:42:07,605 INFO L132 encePairwiseOnDemand]: 144/155 looper letters, 38 selfloop transitions, 18 changer transitions 0/59 dead transitions. [2021-03-25 14:42:07,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 59 transitions, 388 flow [2021-03-25 14:42:07,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 14:42:07,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 14:42:07,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 897 transitions. [2021-03-25 14:42:07,608 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6430107526881721 [2021-03-25 14:42:07,608 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 897 transitions. [2021-03-25 14:42:07,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 897 transitions. [2021-03-25 14:42:07,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:07,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 897 transitions. [2021-03-25 14:42:07,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 99.66666666666667) internal successors, (897), 9 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:07,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 155.0) internal successors, (1550), 10 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:07,613 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 155.0) internal successors, (1550), 10 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:07,613 INFO L185 Difference]: Start difference. First operand has 33 places, 25 transitions, 129 flow. Second operand 9 states and 897 transitions. [2021-03-25 14:42:07,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 59 transitions, 388 flow [2021-03-25 14:42:07,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 59 transitions, 378 flow, removed 5 selfloop flow, removed 2 redundant places. [2021-03-25 14:42:07,618 INFO L241 Difference]: Finished difference. Result has 42 places, 37 transitions, 244 flow [2021-03-25 14:42:07,618 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=244, PETRI_PLACES=42, PETRI_TRANSITIONS=37} [2021-03-25 14:42:07,618 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 4 predicate places. [2021-03-25 14:42:07,618 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:07,618 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 37 transitions, 244 flow [2021-03-25 14:42:07,618 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 37 transitions, 244 flow [2021-03-25 14:42:07,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 37 transitions, 244 flow [2021-03-25 14:42:07,637 INFO L129 PetriNetUnfolder]: 53/133 cut-off events. [2021-03-25 14:42:07,637 INFO L130 PetriNetUnfolder]: For 164/169 co-relation queries the response was YES. [2021-03-25 14:42:07,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 487 conditions, 133 events. 53/133 cut-off events. For 164/169 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 571 event pairs, 7 based on Foata normal form. 2/132 useless extension candidates. Maximal degree in co-relation 469. Up to 63 conditions per place. [2021-03-25 14:42:07,639 INFO L142 LiptonReduction]: Number of co-enabled transitions 110 [2021-03-25 14:42:08,392 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 182 [2021-03-25 14:42:08,614 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-03-25 14:42:09,921 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 336 DAG size of output: 258 [2021-03-25 14:42:10,408 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-03-25 14:42:10,413 INFO L154 LiptonReduction]: Checked pairs total: 28 [2021-03-25 14:42:10,413 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:42:10,413 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2795 [2021-03-25 14:42:10,414 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 37 transitions, 254 flow [2021-03-25 14:42:10,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 95.5) internal successors, (573), 6 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:10,414 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:10,414 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:10,414 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 14:42:10,414 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:10,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:10,415 INFO L82 PathProgramCache]: Analyzing trace with hash -606978111, now seen corresponding path program 3 times [2021-03-25 14:42:10,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:10,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760137677] [2021-03-25 14:42:10,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:10,511 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-25 14:42:10,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:42:10,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:10,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:10,524 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-25 14:42:10,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:42:10,534 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-25 14:42:10,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:42:10,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:10,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 14:42:10,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:10,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 14:42:10,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:10,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760137677] [2021-03-25 14:42:10,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:10,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:42:10,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431124579] [2021-03-25 14:42:10,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:42:10,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:10,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:42:10,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:42:10,576 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 156 [2021-03-25 14:42:10,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 37 transitions, 254 flow. Second operand has 7 states, 7 states have (on average 93.28571428571429) internal successors, (653), 7 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:10,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:10,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 156 [2021-03-25 14:42:10,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:10,885 INFO L129 PetriNetUnfolder]: 125/241 cut-off events. [2021-03-25 14:42:10,886 INFO L130 PetriNetUnfolder]: For 418/420 co-relation queries the response was YES. [2021-03-25 14:42:10,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1041 conditions, 241 events. 125/241 cut-off events. For 418/420 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 888 event pairs, 6 based on Foata normal form. 3/244 useless extension candidates. Maximal degree in co-relation 1021. Up to 103 conditions per place. [2021-03-25 14:42:10,888 INFO L132 encePairwiseOnDemand]: 145/156 looper letters, 39 selfloop transitions, 19 changer transitions 1/62 dead transitions. [2021-03-25 14:42:10,888 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 62 transitions, 493 flow [2021-03-25 14:42:10,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 14:42:10,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 14:42:10,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 974 transitions. [2021-03-25 14:42:10,891 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6243589743589744 [2021-03-25 14:42:10,892 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 974 transitions. [2021-03-25 14:42:10,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 974 transitions. [2021-03-25 14:42:10,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:10,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 974 transitions. [2021-03-25 14:42:10,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 97.4) internal successors, (974), 10 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:10,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 156.0) internal successors, (1716), 11 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:10,897 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 156.0) internal successors, (1716), 11 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:10,897 INFO L185 Difference]: Start difference. First operand has 42 places, 37 transitions, 254 flow. Second operand 10 states and 974 transitions. [2021-03-25 14:42:10,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 62 transitions, 493 flow [2021-03-25 14:42:10,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 62 transitions, 490 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-25 14:42:10,903 INFO L241 Difference]: Finished difference. Result has 51 places, 37 transitions, 287 flow [2021-03-25 14:42:10,903 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=287, PETRI_PLACES=51, PETRI_TRANSITIONS=37} [2021-03-25 14:42:10,904 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 13 predicate places. [2021-03-25 14:42:10,904 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:10,904 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 37 transitions, 287 flow [2021-03-25 14:42:10,904 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 37 transitions, 287 flow [2021-03-25 14:42:10,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 37 transitions, 287 flow [2021-03-25 14:42:10,924 INFO L129 PetriNetUnfolder]: 54/130 cut-off events. [2021-03-25 14:42:10,924 INFO L130 PetriNetUnfolder]: For 273/276 co-relation queries the response was YES. [2021-03-25 14:42:10,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 561 conditions, 130 events. 54/130 cut-off events. For 273/276 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 506 event pairs, 9 based on Foata normal form. 1/128 useless extension candidates. Maximal degree in co-relation 541. Up to 63 conditions per place. [2021-03-25 14:42:10,925 INFO L142 LiptonReduction]: Number of co-enabled transitions 114 [2021-03-25 14:42:10,928 INFO L154 LiptonReduction]: Checked pairs total: 26 [2021-03-25 14:42:10,928 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:10,928 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-03-25 14:42:10,930 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 37 transitions, 287 flow [2021-03-25 14:42:10,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 93.28571428571429) internal successors, (653), 7 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:10,931 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:10,931 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:10,931 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 14:42:10,931 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:10,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:10,932 INFO L82 PathProgramCache]: Analyzing trace with hash 723612879, now seen corresponding path program 4 times [2021-03-25 14:42:10,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:10,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272405666] [2021-03-25 14:42:10,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:11,054 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-25 14:42:11,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:42:11,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:11,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:42:11,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:11,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:42:11,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:11,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:42:11,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:11,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 14:42:11,099 INFO L142 QuantifierPusher]: treesize reduction 19, result has 77.6 percent of original size [2021-03-25 14:42:11,102 INFO L147 QuantifierPusher]: treesize reduction 9, result has 86.4 percent of original size 57 [2021-03-25 14:42:11,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:11,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:42:11,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:11,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272405666] [2021-03-25 14:42:11,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:11,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:42:11,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722224557] [2021-03-25 14:42:11,177 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 14:42:11,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:11,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 14:42:11,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 14:42:11,178 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 156 [2021-03-25 14:42:11,179 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 37 transitions, 287 flow. Second operand has 8 states, 8 states have (on average 88.125) internal successors, (705), 8 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:11,179 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:11,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 156 [2021-03-25 14:42:11,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:11,412 INFO L129 PetriNetUnfolder]: 130/250 cut-off events. [2021-03-25 14:42:11,412 INFO L130 PetriNetUnfolder]: For 676/686 co-relation queries the response was YES. [2021-03-25 14:42:11,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1218 conditions, 250 events. 130/250 cut-off events. For 676/686 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 938 event pairs, 8 based on Foata normal form. 4/253 useless extension candidates. Maximal degree in co-relation 1196. Up to 169 conditions per place. [2021-03-25 14:42:11,414 INFO L132 encePairwiseOnDemand]: 146/156 looper letters, 30 selfloop transitions, 23 changer transitions 0/56 dead transitions. [2021-03-25 14:42:11,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 56 transitions, 512 flow [2021-03-25 14:42:11,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:42:11,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:42:11,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 644 transitions. [2021-03-25 14:42:11,417 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5897435897435898 [2021-03-25 14:42:11,417 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 644 transitions. [2021-03-25 14:42:11,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 644 transitions. [2021-03-25 14:42:11,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:11,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 644 transitions. [2021-03-25 14:42:11,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:11,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 156.0) internal successors, (1248), 8 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:11,421 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 156.0) internal successors, (1248), 8 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:11,421 INFO L185 Difference]: Start difference. First operand has 50 places, 37 transitions, 287 flow. Second operand 7 states and 644 transitions. [2021-03-25 14:42:11,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 56 transitions, 512 flow [2021-03-25 14:42:11,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 56 transitions, 446 flow, removed 12 selfloop flow, removed 9 redundant places. [2021-03-25 14:42:11,425 INFO L241 Difference]: Finished difference. Result has 49 places, 46 transitions, 393 flow [2021-03-25 14:42:11,425 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=393, PETRI_PLACES=49, PETRI_TRANSITIONS=46} [2021-03-25 14:42:11,425 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 11 predicate places. [2021-03-25 14:42:11,425 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:11,426 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 46 transitions, 393 flow [2021-03-25 14:42:11,426 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 46 transitions, 393 flow [2021-03-25 14:42:11,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 46 transitions, 393 flow [2021-03-25 14:42:11,444 INFO L129 PetriNetUnfolder]: 52/132 cut-off events. [2021-03-25 14:42:11,444 INFO L130 PetriNetUnfolder]: For 254/254 co-relation queries the response was YES. [2021-03-25 14:42:11,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 132 events. 52/132 cut-off events. For 254/254 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 538 event pairs, 6 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 562. Up to 66 conditions per place. [2021-03-25 14:42:11,446 INFO L142 LiptonReduction]: Number of co-enabled transitions 128 [2021-03-25 14:42:11,462 INFO L154 LiptonReduction]: Checked pairs total: 12 [2021-03-25 14:42:11,462 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:11,462 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-25 14:42:11,463 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 46 transitions, 393 flow [2021-03-25 14:42:11,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 88.125) internal successors, (705), 8 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:11,463 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:11,463 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:11,464 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 14:42:11,464 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:11,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:11,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1250201853, now seen corresponding path program 1 times [2021-03-25 14:42:11,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:11,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001382595] [2021-03-25 14:42:11,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:11,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:11,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:42:11,561 INFO L142 QuantifierPusher]: treesize reduction 29, result has 54.0 percent of original size [2021-03-25 14:42:11,562 INFO L147 QuantifierPusher]: treesize reduction 8, result has 76.5 percent of original size 26 [2021-03-25 14:42:11,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:11,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:42:11,596 INFO L142 QuantifierPusher]: treesize reduction 17, result has 73.0 percent of original size [2021-03-25 14:42:11,598 INFO L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-03-25 14:42:11,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:11,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:42:11,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:11,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:42:11,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:11,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001382595] [2021-03-25 14:42:11,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:11,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:42:11,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550798405] [2021-03-25 14:42:11,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 14:42:11,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:11,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 14:42:11,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-25 14:42:11,655 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 156 [2021-03-25 14:42:11,656 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 46 transitions, 393 flow. Second operand has 8 states, 8 states have (on average 96.125) internal successors, (769), 8 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:11,656 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:11,656 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 156 [2021-03-25 14:42:11,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:11,944 INFO L129 PetriNetUnfolder]: 68/184 cut-off events. [2021-03-25 14:42:11,945 INFO L130 PetriNetUnfolder]: For 666/674 co-relation queries the response was YES. [2021-03-25 14:42:11,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 922 conditions, 184 events. 68/184 cut-off events. For 666/674 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 874 event pairs, 2 based on Foata normal form. 13/196 useless extension candidates. Maximal degree in co-relation 899. Up to 89 conditions per place. [2021-03-25 14:42:11,946 INFO L132 encePairwiseOnDemand]: 148/156 looper letters, 35 selfloop transitions, 27 changer transitions 9/81 dead transitions. [2021-03-25 14:42:11,946 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 81 transitions, 808 flow [2021-03-25 14:42:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 14:42:11,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 14:42:11,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1087 transitions. [2021-03-25 14:42:11,950 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6334498834498834 [2021-03-25 14:42:11,950 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1087 transitions. [2021-03-25 14:42:11,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1087 transitions. [2021-03-25 14:42:11,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:11,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1087 transitions. [2021-03-25 14:42:11,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 98.81818181818181) internal successors, (1087), 11 states have internal predecessors, (1087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:11,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 156.0) internal successors, (1872), 12 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:11,956 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 156.0) internal successors, (1872), 12 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:11,956 INFO L185 Difference]: Start difference. First operand has 49 places, 46 transitions, 393 flow. Second operand 11 states and 1087 transitions. [2021-03-25 14:42:11,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 81 transitions, 808 flow [2021-03-25 14:42:11,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 81 transitions, 782 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-25 14:42:11,961 INFO L241 Difference]: Finished difference. Result has 63 places, 64 transitions, 652 flow [2021-03-25 14:42:11,961 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=652, PETRI_PLACES=63, PETRI_TRANSITIONS=64} [2021-03-25 14:42:11,961 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 25 predicate places. [2021-03-25 14:42:11,961 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:11,962 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 64 transitions, 652 flow [2021-03-25 14:42:11,962 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 64 transitions, 652 flow [2021-03-25 14:42:11,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 64 transitions, 652 flow [2021-03-25 14:42:11,988 INFO L129 PetriNetUnfolder]: 54/148 cut-off events. [2021-03-25 14:42:11,989 INFO L130 PetriNetUnfolder]: For 735/750 co-relation queries the response was YES. [2021-03-25 14:42:11,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 806 conditions, 148 events. 54/148 cut-off events. For 735/750 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 669 event pairs, 1 based on Foata normal form. 4/151 useless extension candidates. Maximal degree in co-relation 778. Up to 74 conditions per place. [2021-03-25 14:42:11,991 INFO L142 LiptonReduction]: Number of co-enabled transitions 136 [2021-03-25 14:42:12,658 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 182 [2021-03-25 14:42:12,934 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-03-25 14:42:14,250 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 336 DAG size of output: 258 [2021-03-25 14:42:14,725 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-03-25 14:42:14,795 INFO L154 LiptonReduction]: Checked pairs total: 308 [2021-03-25 14:42:14,795 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:42:14,795 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2834 [2021-03-25 14:42:14,796 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 63 transitions, 660 flow [2021-03-25 14:42:14,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 96.125) internal successors, (769), 8 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:14,796 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:14,796 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:14,796 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 14:42:14,828 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:14,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:14,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1290765073, now seen corresponding path program 2 times [2021-03-25 14:42:14,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:14,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502892349] [2021-03-25 14:42:14,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:14,933 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-25 14:42:14,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:42:14,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:14,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:14,944 INFO L142 QuantifierPusher]: treesize reduction 6, result has 62.5 percent of original size [2021-03-25 14:42:14,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:42:14,953 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 14:42:14,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 14:42:14,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:14,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 14:42:14,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:14,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502892349] [2021-03-25 14:42:14,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:14,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:42:14,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554382470] [2021-03-25 14:42:14,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:42:14,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:14,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:42:14,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:42:14,986 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 157 [2021-03-25 14:42:14,987 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 63 transitions, 660 flow. Second operand has 7 states, 7 states have (on average 95.42857142857143) internal successors, (668), 7 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:14,987 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:14,987 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 157 [2021-03-25 14:42:14,987 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:15,300 INFO L129 PetriNetUnfolder]: 153/308 cut-off events. [2021-03-25 14:42:15,300 INFO L130 PetriNetUnfolder]: For 1947/1951 co-relation queries the response was YES. [2021-03-25 14:42:15,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1772 conditions, 308 events. 153/308 cut-off events. For 1947/1951 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1297 event pairs, 12 based on Foata normal form. 9/316 useless extension candidates. Maximal degree in co-relation 1742. Up to 166 conditions per place. [2021-03-25 14:42:15,303 INFO L132 encePairwiseOnDemand]: 146/157 looper letters, 46 selfloop transitions, 26 changer transitions 13/88 dead transitions. [2021-03-25 14:42:15,303 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 88 transitions, 1003 flow [2021-03-25 14:42:15,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 14:42:15,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 14:42:15,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 893 transitions. [2021-03-25 14:42:15,307 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6319886765746638 [2021-03-25 14:42:15,307 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 893 transitions. [2021-03-25 14:42:15,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 893 transitions. [2021-03-25 14:42:15,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:15,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 893 transitions. [2021-03-25 14:42:15,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 99.22222222222223) internal successors, (893), 9 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:15,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 157.0) internal successors, (1570), 10 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:15,312 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 157.0) internal successors, (1570), 10 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:15,312 INFO L185 Difference]: Start difference. First operand has 63 places, 63 transitions, 660 flow. Second operand 9 states and 893 transitions. [2021-03-25 14:42:15,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 88 transitions, 1003 flow [2021-03-25 14:42:15,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 88 transitions, 978 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-03-25 14:42:15,321 INFO L241 Difference]: Finished difference. Result has 72 places, 63 transitions, 714 flow [2021-03-25 14:42:15,321 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=714, PETRI_PLACES=72, PETRI_TRANSITIONS=63} [2021-03-25 14:42:15,321 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 34 predicate places. [2021-03-25 14:42:15,321 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:15,321 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 63 transitions, 714 flow [2021-03-25 14:42:15,321 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 63 transitions, 714 flow [2021-03-25 14:42:15,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 63 transitions, 714 flow [2021-03-25 14:42:15,342 INFO L129 PetriNetUnfolder]: 50/133 cut-off events. [2021-03-25 14:42:15,342 INFO L130 PetriNetUnfolder]: For 1089/1095 co-relation queries the response was YES. [2021-03-25 14:42:15,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 825 conditions, 133 events. 50/133 cut-off events. For 1089/1095 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 574 event pairs, 12 based on Foata normal form. 1/133 useless extension candidates. Maximal degree in co-relation 793. Up to 65 conditions per place. [2021-03-25 14:42:15,344 INFO L142 LiptonReduction]: Number of co-enabled transitions 124 [2021-03-25 14:42:15,570 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-25 14:42:16,023 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2021-03-25 14:42:16,152 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-25 14:42:16,316 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-25 14:42:16,728 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2021-03-25 14:42:16,857 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-25 14:42:16,870 INFO L154 LiptonReduction]: Checked pairs total: 436 [2021-03-25 14:42:16,870 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 14:42:16,871 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1550 [2021-03-25 14:42:16,871 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 61 transitions, 702 flow [2021-03-25 14:42:16,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 95.42857142857143) internal successors, (668), 7 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:16,871 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:16,871 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:16,872 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 14:42:16,872 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:16,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:16,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1668082917, now seen corresponding path program 3 times [2021-03-25 14:42:16,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:16,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020475392] [2021-03-25 14:42:16,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:16,985 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-25 14:42:16,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 14:42:17,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:17,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:42:17,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:17,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 14:42:17,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:17,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 14:42:17,045 INFO L142 QuantifierPusher]: treesize reduction 23, result has 73.9 percent of original size [2021-03-25 14:42:17,047 INFO L147 QuantifierPusher]: treesize reduction 9, result has 86.2 percent of original size 56 [2021-03-25 14:42:17,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:17,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 14:42:17,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:17,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 14:42:17,159 INFO L142 QuantifierPusher]: treesize reduction 3, result has 80.0 percent of original size [2021-03-25 14:42:17,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 14:42:17,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:17,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020475392] [2021-03-25 14:42:17,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:17,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 14:42:17,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449109070] [2021-03-25 14:42:17,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 14:42:17,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:17,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 14:42:17,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-25 14:42:17,180 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 159 [2021-03-25 14:42:17,180 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 61 transitions, 702 flow. Second operand has 10 states, 10 states have (on average 83.0) internal successors, (830), 10 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:17,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:17,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 159 [2021-03-25 14:42:17,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:17,680 INFO L129 PetriNetUnfolder]: 153/326 cut-off events. [2021-03-25 14:42:17,680 INFO L130 PetriNetUnfolder]: For 3147/3151 co-relation queries the response was YES. [2021-03-25 14:42:17,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2138 conditions, 326 events. 153/326 cut-off events. For 3147/3151 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1488 event pairs, 12 based on Foata normal form. 16/342 useless extension candidates. Maximal degree in co-relation 2104. Up to 182 conditions per place. [2021-03-25 14:42:17,684 INFO L132 encePairwiseOnDemand]: 149/159 looper letters, 53 selfloop transitions, 40 changer transitions 22/118 dead transitions. [2021-03-25 14:42:17,684 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 118 transitions, 1513 flow [2021-03-25 14:42:17,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 14:42:17,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 14:42:17,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1215 transitions. [2021-03-25 14:42:17,689 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.545822102425876 [2021-03-25 14:42:17,689 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1215 transitions. [2021-03-25 14:42:17,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1215 transitions. [2021-03-25 14:42:17,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:17,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1215 transitions. [2021-03-25 14:42:17,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 86.78571428571429) internal successors, (1215), 14 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:17,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 159.0) internal successors, (2385), 15 states have internal predecessors, (2385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:17,696 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 159.0) internal successors, (2385), 15 states have internal predecessors, (2385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:17,696 INFO L185 Difference]: Start difference. First operand has 71 places, 61 transitions, 702 flow. Second operand 14 states and 1215 transitions. [2021-03-25 14:42:17,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 118 transitions, 1513 flow [2021-03-25 14:42:17,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 118 transitions, 1384 flow, removed 27 selfloop flow, removed 6 redundant places. [2021-03-25 14:42:17,708 INFO L241 Difference]: Finished difference. Result has 84 places, 80 transitions, 1025 flow [2021-03-25 14:42:17,709 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=621, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1025, PETRI_PLACES=84, PETRI_TRANSITIONS=80} [2021-03-25 14:42:17,709 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 46 predicate places. [2021-03-25 14:42:17,709 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:17,709 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 80 transitions, 1025 flow [2021-03-25 14:42:17,710 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 80 transitions, 1025 flow [2021-03-25 14:42:17,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 80 transitions, 1025 flow [2021-03-25 14:42:17,736 INFO L129 PetriNetUnfolder]: 58/157 cut-off events. [2021-03-25 14:42:17,737 INFO L130 PetriNetUnfolder]: For 1640/1653 co-relation queries the response was YES. [2021-03-25 14:42:17,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1045 conditions, 157 events. 58/157 cut-off events. For 1640/1653 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 781 event pairs, 2 based on Foata normal form. 4/159 useless extension candidates. Maximal degree in co-relation 1009. Up to 72 conditions per place. [2021-03-25 14:42:17,739 INFO L142 LiptonReduction]: Number of co-enabled transitions 130 [2021-03-25 14:42:18,209 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 161 [2021-03-25 14:42:18,359 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-03-25 14:42:19,361 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 228 [2021-03-25 14:42:19,686 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-03-25 14:42:20,384 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 182 [2021-03-25 14:42:20,635 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-03-25 14:42:22,143 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 336 DAG size of output: 258 [2021-03-25 14:42:22,689 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-03-25 14:42:23,387 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 182 [2021-03-25 14:42:23,636 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-03-25 14:42:25,880 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 336 DAG size of output: 262 [2021-03-25 14:42:26,512 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2021-03-25 14:42:27,916 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 270 DAG size of output: 211 [2021-03-25 14:42:28,506 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-03-25 14:42:31,716 WARN L205 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 377 DAG size of output: 319 [2021-03-25 14:42:33,342 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 309 [2021-03-25 14:42:33,394 INFO L154 LiptonReduction]: Checked pairs total: 650 [2021-03-25 14:42:33,394 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 14:42:33,394 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15685 [2021-03-25 14:42:33,395 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 80 transitions, 1085 flow [2021-03-25 14:42:33,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 83.0) internal successors, (830), 10 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:33,395 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:33,395 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:33,396 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 14:42:33,396 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:33,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:33,396 INFO L82 PathProgramCache]: Analyzing trace with hash 23917775, now seen corresponding path program 1 times [2021-03-25 14:42:33,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:33,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781691483] [2021-03-25 14:42:33,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:33,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:33,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:42:33,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:33,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:42:33,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:33,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:42:33,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:33,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:42:33,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:33,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:42:33,505 INFO L142 QuantifierPusher]: treesize reduction 133, result has 63.0 percent of original size [2021-03-25 14:42:33,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 226 [2021-03-25 14:42:33,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:33,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:42:33,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:33,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781691483] [2021-03-25 14:42:33,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:33,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:42:33,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275715787] [2021-03-25 14:42:33,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:42:33,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:33,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:42:33,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:42:33,616 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 163 [2021-03-25 14:42:33,617 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 80 transitions, 1085 flow. Second operand has 6 states, 6 states have (on average 103.33333333333333) internal successors, (620), 6 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:33,617 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:33,617 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 163 [2021-03-25 14:42:33,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:33,929 INFO L129 PetriNetUnfolder]: 57/167 cut-off events. [2021-03-25 14:42:33,929 INFO L130 PetriNetUnfolder]: For 2039/2072 co-relation queries the response was YES. [2021-03-25 14:42:33,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1248 conditions, 167 events. 57/167 cut-off events. For 2039/2072 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 831 event pairs, 4 based on Foata normal form. 19/185 useless extension candidates. Maximal degree in co-relation 1210. Up to 86 conditions per place. [2021-03-25 14:42:33,931 INFO L132 encePairwiseOnDemand]: 152/163 looper letters, 34 selfloop transitions, 37 changer transitions 2/83 dead transitions. [2021-03-25 14:42:33,931 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 83 transitions, 1230 flow [2021-03-25 14:42:33,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:42:33,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:42:33,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 640 transitions. [2021-03-25 14:42:33,935 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.65439672801636 [2021-03-25 14:42:33,935 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 640 transitions. [2021-03-25 14:42:33,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 640 transitions. [2021-03-25 14:42:33,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:33,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 640 transitions. [2021-03-25 14:42:33,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 106.66666666666667) internal successors, (640), 6 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:33,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 163.0) internal successors, (1141), 7 states have internal predecessors, (1141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:33,939 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 163.0) internal successors, (1141), 7 states have internal predecessors, (1141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:33,939 INFO L185 Difference]: Start difference. First operand has 84 places, 80 transitions, 1085 flow. Second operand 6 states and 640 transitions. [2021-03-25 14:42:33,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 83 transitions, 1230 flow [2021-03-25 14:42:33,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 83 transitions, 1132 flow, removed 41 selfloop flow, removed 5 redundant places. [2021-03-25 14:42:33,949 INFO L241 Difference]: Finished difference. Result has 85 places, 81 transitions, 1074 flow [2021-03-25 14:42:33,949 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=926, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1074, PETRI_PLACES=85, PETRI_TRANSITIONS=81} [2021-03-25 14:42:33,949 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 47 predicate places. [2021-03-25 14:42:33,949 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:33,949 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 81 transitions, 1074 flow [2021-03-25 14:42:33,949 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 81 transitions, 1074 flow [2021-03-25 14:42:33,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 81 transitions, 1074 flow [2021-03-25 14:42:33,985 INFO L129 PetriNetUnfolder]: 58/167 cut-off events. [2021-03-25 14:42:33,985 INFO L130 PetriNetUnfolder]: For 1731/1749 co-relation queries the response was YES. [2021-03-25 14:42:33,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1118 conditions, 167 events. 58/167 cut-off events. For 1731/1749 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 842 event pairs, 3 based on Foata normal form. 6/171 useless extension candidates. Maximal degree in co-relation 1081. Up to 72 conditions per place. [2021-03-25 14:42:33,987 INFO L142 LiptonReduction]: Number of co-enabled transitions 130 [2021-03-25 14:42:35,041 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 235 DAG size of output: 182 [2021-03-25 14:42:35,410 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-03-25 14:42:37,578 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 336 DAG size of output: 258 [2021-03-25 14:42:38,388 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-03-25 14:42:39,347 WARN L205 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 182 [2021-03-25 14:42:39,608 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-03-25 14:42:41,146 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 336 DAG size of output: 258 [2021-03-25 14:42:41,826 WARN L205 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-03-25 14:42:41,884 INFO L154 LiptonReduction]: Checked pairs total: 464 [2021-03-25 14:42:41,884 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:42:41,884 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7935 [2021-03-25 14:42:41,885 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 81 transitions, 1116 flow [2021-03-25 14:42:41,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 103.33333333333333) internal successors, (620), 6 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:41,885 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:41,885 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:41,885 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 14:42:41,885 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:41,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:41,886 INFO L82 PathProgramCache]: Analyzing trace with hash 672186563, now seen corresponding path program 1 times [2021-03-25 14:42:41,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:41,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573629218] [2021-03-25 14:42:41,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:41,954 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-25 14:42:41,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:42:41,973 INFO L142 QuantifierPusher]: treesize reduction 23, result has 70.5 percent of original size [2021-03-25 14:42:41,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 14:42:42,028 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.6 percent of original size [2021-03-25 14:42:42,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 14:42:42,084 INFO L142 QuantifierPusher]: treesize reduction 17, result has 78.5 percent of original size [2021-03-25 14:42:42,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 14:42:42,146 INFO L142 QuantifierPusher]: treesize reduction 17, result has 77.3 percent of original size [2021-03-25 14:42:42,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 14:42:42,200 INFO L142 QuantifierPusher]: treesize reduction 7, result has 72.0 percent of original size [2021-03-25 14:42:42,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 14:42:42,229 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-03-25 14:42:42,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 14:42:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:42,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573629218] [2021-03-25 14:42:42,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:42,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 14:42:42,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053063591] [2021-03-25 14:42:42,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 14:42:42,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:42,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 14:42:42,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-25 14:42:42,245 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 165 [2021-03-25 14:42:42,245 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 81 transitions, 1116 flow. Second operand has 9 states, 9 states have (on average 89.0) internal successors, (801), 9 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:42,245 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:42,246 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 165 [2021-03-25 14:42:42,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:42,787 INFO L129 PetriNetUnfolder]: 198/424 cut-off events. [2021-03-25 14:42:42,787 INFO L130 PetriNetUnfolder]: For 4596/4602 co-relation queries the response was YES. [2021-03-25 14:42:42,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2844 conditions, 424 events. 198/424 cut-off events. For 4596/4602 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2144 event pairs, 7 based on Foata normal form. 12/435 useless extension candidates. Maximal degree in co-relation 2805. Up to 142 conditions per place. [2021-03-25 14:42:42,791 INFO L132 encePairwiseOnDemand]: 157/165 looper letters, 69 selfloop transitions, 13 changer transitions 61/146 dead transitions. [2021-03-25 14:42:42,791 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 146 transitions, 2155 flow [2021-03-25 14:42:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 14:42:42,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 14:42:42,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 857 transitions. [2021-03-25 14:42:42,795 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5771043771043771 [2021-03-25 14:42:42,795 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 857 transitions. [2021-03-25 14:42:42,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 857 transitions. [2021-03-25 14:42:42,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:42,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 857 transitions. [2021-03-25 14:42:42,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 95.22222222222223) internal successors, (857), 9 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:42,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 165.0) internal successors, (1650), 10 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:42,800 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 165.0) internal successors, (1650), 10 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:42,800 INFO L185 Difference]: Start difference. First operand has 84 places, 81 transitions, 1116 flow. Second operand 9 states and 857 transitions. [2021-03-25 14:42:42,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 146 transitions, 2155 flow [2021-03-25 14:42:42,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 146 transitions, 2074 flow, removed 33 selfloop flow, removed 4 redundant places. [2021-03-25 14:42:42,817 INFO L241 Difference]: Finished difference. Result has 94 places, 68 transitions, 934 flow [2021-03-25 14:42:42,817 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=934, PETRI_PLACES=94, PETRI_TRANSITIONS=68} [2021-03-25 14:42:42,817 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 56 predicate places. [2021-03-25 14:42:42,818 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:42,818 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 68 transitions, 934 flow [2021-03-25 14:42:42,818 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 68 transitions, 934 flow [2021-03-25 14:42:42,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 68 transitions, 934 flow [2021-03-25 14:42:42,842 INFO L129 PetriNetUnfolder]: 43/139 cut-off events. [2021-03-25 14:42:42,843 INFO L130 PetriNetUnfolder]: For 1866/1874 co-relation queries the response was YES. [2021-03-25 14:42:42,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 993 conditions, 139 events. 43/139 cut-off events. For 1866/1874 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 661 event pairs, 2 based on Foata normal form. 2/140 useless extension candidates. Maximal degree in co-relation 951. Up to 52 conditions per place. [2021-03-25 14:42:42,845 INFO L142 LiptonReduction]: Number of co-enabled transitions 108 [2021-03-25 14:42:43,726 WARN L205 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 160 [2021-03-25 14:42:43,966 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-03-25 14:42:46,709 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 377 DAG size of output: 241 [2021-03-25 14:42:47,496 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-03-25 14:42:47,975 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-03-25 14:42:48,446 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2021-03-25 14:42:49,517 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 228 [2021-03-25 14:42:50,556 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 226 [2021-03-25 14:42:50,562 INFO L154 LiptonReduction]: Checked pairs total: 492 [2021-03-25 14:42:50,562 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:42:50,563 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7745 [2021-03-25 14:42:50,563 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 68 transitions, 934 flow [2021-03-25 14:42:50,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 89.0) internal successors, (801), 9 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:50,564 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:50,564 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:50,564 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 14:42:50,564 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:50,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:50,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1577768571, now seen corresponding path program 1 times [2021-03-25 14:42:50,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:50,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896013744] [2021-03-25 14:42:50,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:50,663 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-25 14:42:50,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:42:50,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:50,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:42:50,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:50,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:42:50,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:50,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:42:50,745 INFO L142 QuantifierPusher]: treesize reduction 35, result has 64.3 percent of original size [2021-03-25 14:42:50,747 INFO L147 QuantifierPusher]: treesize reduction 8, result has 87.3 percent of original size 55 [2021-03-25 14:42:50,812 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.8 percent of original size [2021-03-25 14:42:50,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 14:42:50,928 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-25 14:42:50,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 14:42:50,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:50,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896013744] [2021-03-25 14:42:50,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:50,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 14:42:50,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479228991] [2021-03-25 14:42:50,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 14:42:50,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:50,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 14:42:50,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-25 14:42:50,957 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 167 [2021-03-25 14:42:50,957 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 68 transitions, 934 flow. Second operand has 9 states, 9 states have (on average 94.11111111111111) internal successors, (847), 9 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:50,958 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:50,958 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 167 [2021-03-25 14:42:50,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:51,684 INFO L129 PetriNetUnfolder]: 133/293 cut-off events. [2021-03-25 14:42:51,685 INFO L130 PetriNetUnfolder]: For 3653/3723 co-relation queries the response was YES. [2021-03-25 14:42:51,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2055 conditions, 293 events. 133/293 cut-off events. For 3653/3723 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1300 event pairs, 3 based on Foata normal form. 16/308 useless extension candidates. Maximal degree in co-relation 2011. Up to 175 conditions per place. [2021-03-25 14:42:51,688 INFO L132 encePairwiseOnDemand]: 156/167 looper letters, 44 selfloop transitions, 14 changer transitions 30/91 dead transitions. [2021-03-25 14:42:51,688 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 91 transitions, 1303 flow [2021-03-25 14:42:51,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 14:42:51,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 14:42:51,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 878 transitions. [2021-03-25 14:42:51,692 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.58416500332668 [2021-03-25 14:42:51,693 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 878 transitions. [2021-03-25 14:42:51,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 878 transitions. [2021-03-25 14:42:51,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:51,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 878 transitions. [2021-03-25 14:42:51,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 97.55555555555556) internal successors, (878), 9 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:51,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 167.0) internal successors, (1670), 10 states have internal predecessors, (1670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:51,697 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 167.0) internal successors, (1670), 10 states have internal predecessors, (1670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:51,697 INFO L185 Difference]: Start difference. First operand has 89 places, 68 transitions, 934 flow. Second operand 9 states and 878 transitions. [2021-03-25 14:42:51,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 91 transitions, 1303 flow [2021-03-25 14:42:51,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 91 transitions, 1194 flow, removed 22 selfloop flow, removed 13 redundant places. [2021-03-25 14:42:51,709 INFO L241 Difference]: Finished difference. Result has 86 places, 55 transitions, 718 flow [2021-03-25 14:42:51,709 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=842, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=718, PETRI_PLACES=86, PETRI_TRANSITIONS=55} [2021-03-25 14:42:51,709 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 48 predicate places. [2021-03-25 14:42:51,709 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:51,710 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 55 transitions, 718 flow [2021-03-25 14:42:51,710 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 55 transitions, 718 flow [2021-03-25 14:42:51,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 55 transitions, 718 flow [2021-03-25 14:42:51,731 INFO L129 PetriNetUnfolder]: 40/127 cut-off events. [2021-03-25 14:42:51,731 INFO L130 PetriNetUnfolder]: For 1415/1426 co-relation queries the response was YES. [2021-03-25 14:42:51,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 851 conditions, 127 events. 40/127 cut-off events. For 1415/1426 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 575 event pairs, 4 based on Foata normal form. 2/127 useless extension candidates. Maximal degree in co-relation 815. Up to 46 conditions per place. [2021-03-25 14:42:51,734 INFO L142 LiptonReduction]: Number of co-enabled transitions 96 [2021-03-25 14:42:51,735 INFO L154 LiptonReduction]: Checked pairs total: 94 [2021-03-25 14:42:51,736 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:51,736 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-03-25 14:42:51,736 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 55 transitions, 718 flow [2021-03-25 14:42:51,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 94.11111111111111) internal successors, (847), 9 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:51,737 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:51,737 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:51,737 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 14:42:51,738 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:51,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:51,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1640579097, now seen corresponding path program 4 times [2021-03-25 14:42:51,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:51,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168054530] [2021-03-25 14:42:51,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:51,817 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-25 14:42:51,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:42:51,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:51,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:42:51,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:51,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:42:51,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:51,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:42:51,908 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-25 14:42:51,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 14:42:51,940 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-25 14:42:51,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 14:42:51,966 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-03-25 14:42:51,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 14:42:51,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:51,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168054530] [2021-03-25 14:42:51,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:51,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 14:42:51,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391611743] [2021-03-25 14:42:51,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 14:42:51,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:51,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 14:42:51,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-25 14:42:51,988 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 167 [2021-03-25 14:42:51,989 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 55 transitions, 718 flow. Second operand has 9 states, 9 states have (on average 91.11111111111111) internal successors, (820), 9 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:51,989 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:51,989 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 167 [2021-03-25 14:42:51,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:52,375 INFO L129 PetriNetUnfolder]: 104/235 cut-off events. [2021-03-25 14:42:52,375 INFO L130 PetriNetUnfolder]: For 2675/2678 co-relation queries the response was YES. [2021-03-25 14:42:52,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1598 conditions, 235 events. 104/235 cut-off events. For 2675/2678 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 989 event pairs, 11 based on Foata normal form. 9/244 useless extension candidates. Maximal degree in co-relation 1560. Up to 178 conditions per place. [2021-03-25 14:42:52,378 INFO L132 encePairwiseOnDemand]: 159/167 looper letters, 43 selfloop transitions, 9 changer transitions 19/74 dead transitions. [2021-03-25 14:42:52,378 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 74 transitions, 1060 flow [2021-03-25 14:42:52,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:42:52,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:42:52,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 571 transitions. [2021-03-25 14:42:52,383 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5698602794411177 [2021-03-25 14:42:52,383 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 571 transitions. [2021-03-25 14:42:52,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 571 transitions. [2021-03-25 14:42:52,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:52,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 571 transitions. [2021-03-25 14:42:52,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 95.16666666666667) internal successors, (571), 6 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:52,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 167.0) internal successors, (1169), 7 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:52,386 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 167.0) internal successors, (1169), 7 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:52,386 INFO L185 Difference]: Start difference. First operand has 76 places, 55 transitions, 718 flow. Second operand 6 states and 571 transitions. [2021-03-25 14:42:52,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 74 transitions, 1060 flow [2021-03-25 14:42:52,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 74 transitions, 975 flow, removed 24 selfloop flow, removed 10 redundant places. [2021-03-25 14:42:52,396 INFO L241 Difference]: Finished difference. Result has 73 places, 52 transitions, 634 flow [2021-03-25 14:42:52,396 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=634, PETRI_PLACES=73, PETRI_TRANSITIONS=52} [2021-03-25 14:42:52,396 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 35 predicate places. [2021-03-25 14:42:52,396 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:52,396 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 52 transitions, 634 flow [2021-03-25 14:42:52,396 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 52 transitions, 634 flow [2021-03-25 14:42:52,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 52 transitions, 634 flow [2021-03-25 14:42:52,415 INFO L129 PetriNetUnfolder]: 33/105 cut-off events. [2021-03-25 14:42:52,415 INFO L130 PetriNetUnfolder]: For 1089/1099 co-relation queries the response was YES. [2021-03-25 14:42:52,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 662 conditions, 105 events. 33/105 cut-off events. For 1089/1099 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 402 event pairs, 4 based on Foata normal form. 1/104 useless extension candidates. Maximal degree in co-relation 630. Up to 34 conditions per place. [2021-03-25 14:42:52,417 INFO L142 LiptonReduction]: Number of co-enabled transitions 94 [2021-03-25 14:42:52,418 INFO L154 LiptonReduction]: Checked pairs total: 73 [2021-03-25 14:42:52,418 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:52,419 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-03-25 14:42:52,419 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 52 transitions, 634 flow [2021-03-25 14:42:52,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 91.11111111111111) internal successors, (820), 9 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:52,419 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:52,420 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:52,420 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 14:42:52,420 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:52,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:52,420 INFO L82 PathProgramCache]: Analyzing trace with hash 48440637, now seen corresponding path program 5 times [2021-03-25 14:42:52,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:52,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240586566] [2021-03-25 14:42:52,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:52,494 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-25 14:42:52,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:42:52,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:52,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:42:52,527 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-03-25 14:42:52,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 14:42:52,555 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-25 14:42:52,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 14:42:52,598 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 14:42:52,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 14:42:52,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:52,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 14:42:52,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:52,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240586566] [2021-03-25 14:42:52,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:52,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:42:52,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889490298] [2021-03-25 14:42:52,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 14:42:52,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:52,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 14:42:52,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-25 14:42:52,665 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 167 [2021-03-25 14:42:52,665 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 52 transitions, 634 flow. Second operand has 8 states, 8 states have (on average 92.25) internal successors, (738), 8 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:52,665 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:52,665 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 167 [2021-03-25 14:42:52,666 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:53,175 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2021-03-25 14:42:53,268 INFO L129 PetriNetUnfolder]: 94/215 cut-off events. [2021-03-25 14:42:53,268 INFO L130 PetriNetUnfolder]: For 2293/2296 co-relation queries the response was YES. [2021-03-25 14:42:53,269 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1343 conditions, 215 events. 94/215 cut-off events. For 2293/2296 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 852 event pairs, 9 based on Foata normal form. 9/223 useless extension candidates. Maximal degree in co-relation 1309. Up to 136 conditions per place. [2021-03-25 14:42:53,270 INFO L132 encePairwiseOnDemand]: 160/167 looper letters, 35 selfloop transitions, 22 changer transitions 9/69 dead transitions. [2021-03-25 14:42:53,271 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 69 transitions, 896 flow [2021-03-25 14:42:53,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:42:53,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:42:53,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 671 transitions. [2021-03-25 14:42:53,274 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5739948674080411 [2021-03-25 14:42:53,274 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 671 transitions. [2021-03-25 14:42:53,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 671 transitions. [2021-03-25 14:42:53,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:53,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 671 transitions. [2021-03-25 14:42:53,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 95.85714285714286) internal successors, (671), 7 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:53,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 167.0) internal successors, (1336), 8 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:53,277 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 167.0) internal successors, (1336), 8 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:53,277 INFO L185 Difference]: Start difference. First operand has 72 places, 52 transitions, 634 flow. Second operand 7 states and 671 transitions. [2021-03-25 14:42:53,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 69 transitions, 896 flow [2021-03-25 14:42:53,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 69 transitions, 879 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-25 14:42:53,286 INFO L241 Difference]: Finished difference. Result has 76 places, 52 transitions, 681 flow [2021-03-25 14:42:53,286 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=617, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=681, PETRI_PLACES=76, PETRI_TRANSITIONS=52} [2021-03-25 14:42:53,286 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 38 predicate places. [2021-03-25 14:42:53,286 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:53,286 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 52 transitions, 681 flow [2021-03-25 14:42:53,286 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 52 transitions, 681 flow [2021-03-25 14:42:53,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 52 transitions, 681 flow [2021-03-25 14:42:53,305 INFO L129 PetriNetUnfolder]: 32/111 cut-off events. [2021-03-25 14:42:53,305 INFO L130 PetriNetUnfolder]: For 1315/1319 co-relation queries the response was YES. [2021-03-25 14:42:53,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 727 conditions, 111 events. 32/111 cut-off events. For 1315/1319 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 456 event pairs, 2 based on Foata normal form. 1/111 useless extension candidates. Maximal degree in co-relation 694. Up to 34 conditions per place. [2021-03-25 14:42:53,307 INFO L142 LiptonReduction]: Number of co-enabled transitions 94 [2021-03-25 14:42:53,309 INFO L154 LiptonReduction]: Checked pairs total: 71 [2021-03-25 14:42:53,309 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:53,309 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-03-25 14:42:53,311 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 52 transitions, 681 flow [2021-03-25 14:42:53,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 92.25) internal successors, (738), 8 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:53,312 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:53,312 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:53,312 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 14:42:53,312 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:53,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:53,313 INFO L82 PathProgramCache]: Analyzing trace with hash 122846939, now seen corresponding path program 1 times [2021-03-25 14:42:53,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:53,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623999724] [2021-03-25 14:42:53,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:53,372 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-25 14:42:53,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:42:53,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:53,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:53,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:53,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:42:53,415 INFO L142 QuantifierPusher]: treesize reduction 13, result has 79.0 percent of original size [2021-03-25 14:42:53,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 14:42:53,471 INFO L142 QuantifierPusher]: treesize reduction 6, result has 66.7 percent of original size [2021-03-25 14:42:53,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 14:42:53,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:53,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 14:42:53,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:53,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 14:42:53,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:53,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623999724] [2021-03-25 14:42:53,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:53,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 14:42:53,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395765509] [2021-03-25 14:42:53,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 14:42:53,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:53,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 14:42:53,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-25 14:42:53,551 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 167 [2021-03-25 14:42:53,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 52 transitions, 681 flow. Second operand has 9 states, 9 states have (on average 90.11111111111111) internal successors, (811), 9 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:53,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:53,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 167 [2021-03-25 14:42:53,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:54,031 INFO L129 PetriNetUnfolder]: 96/218 cut-off events. [2021-03-25 14:42:54,031 INFO L130 PetriNetUnfolder]: For 2509/2512 co-relation queries the response was YES. [2021-03-25 14:42:54,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1387 conditions, 218 events. 96/218 cut-off events. For 2509/2512 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 867 event pairs, 14 based on Foata normal form. 11/229 useless extension candidates. Maximal degree in co-relation 1352. Up to 95 conditions per place. [2021-03-25 14:42:54,033 INFO L132 encePairwiseOnDemand]: 158/167 looper letters, 34 selfloop transitions, 14 changer transitions 24/75 dead transitions. [2021-03-25 14:42:54,033 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 75 transitions, 992 flow [2021-03-25 14:42:54,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 14:42:54,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 14:42:54,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 843 transitions. [2021-03-25 14:42:54,038 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5608782435129741 [2021-03-25 14:42:54,038 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 843 transitions. [2021-03-25 14:42:54,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 843 transitions. [2021-03-25 14:42:54,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:54,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 843 transitions. [2021-03-25 14:42:54,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 93.66666666666667) internal successors, (843), 9 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:54,054 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 167.0) internal successors, (1670), 10 states have internal predecessors, (1670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:54,055 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 167.0) internal successors, (1670), 10 states have internal predecessors, (1670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:54,055 INFO L185 Difference]: Start difference. First operand has 75 places, 52 transitions, 681 flow. Second operand 9 states and 843 transitions. [2021-03-25 14:42:54,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 75 transitions, 992 flow [2021-03-25 14:42:54,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 75 transitions, 950 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-25 14:42:54,063 INFO L241 Difference]: Finished difference. Result has 81 places, 46 transitions, 579 flow [2021-03-25 14:42:54,063 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=579, PETRI_PLACES=81, PETRI_TRANSITIONS=46} [2021-03-25 14:42:54,063 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 43 predicate places. [2021-03-25 14:42:54,063 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:54,064 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 46 transitions, 579 flow [2021-03-25 14:42:54,064 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 46 transitions, 579 flow [2021-03-25 14:42:54,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 46 transitions, 579 flow [2021-03-25 14:42:54,079 INFO L129 PetriNetUnfolder]: 19/78 cut-off events. [2021-03-25 14:42:54,080 INFO L130 PetriNetUnfolder]: For 944/946 co-relation queries the response was YES. [2021-03-25 14:42:54,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 512 conditions, 78 events. 19/78 cut-off events. For 944/946 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 257 event pairs, 1 based on Foata normal form. 1/79 useless extension candidates. Maximal degree in co-relation 477. Up to 25 conditions per place. [2021-03-25 14:42:54,081 INFO L142 LiptonReduction]: Number of co-enabled transitions 62 [2021-03-25 14:42:56,596 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 269 DAG size of output: 211 [2021-03-25 14:42:58,696 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 204 DAG size of output: 203 [2021-03-25 14:43:02,858 WARN L205 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 377 DAG size of output: 313 [2021-03-25 14:43:04,317 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 305 [2021-03-25 14:43:04,604 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-25 14:43:04,742 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-25 14:43:05,352 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2021-03-25 14:43:05,567 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-25 14:43:05,570 INFO L154 LiptonReduction]: Checked pairs total: 193 [2021-03-25 14:43:05,570 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:43:05,570 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11507 [2021-03-25 14:43:05,571 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 46 transitions, 594 flow [2021-03-25 14:43:05,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 90.11111111111111) internal successors, (811), 9 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:43:05,571 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:43:05,571 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:43:05,571 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 14:43:05,571 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:43:05,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:43:05,571 INFO L82 PathProgramCache]: Analyzing trace with hash 875281419, now seen corresponding path program 6 times [2021-03-25 14:43:05,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:43:05,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130487870] [2021-03-25 14:43:05,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:43:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:43:05,627 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-25 14:43:05,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:43:05,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:43:05,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:43:05,649 INFO L142 QuantifierPusher]: treesize reduction 6, result has 62.5 percent of original size [2021-03-25 14:43:05,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:43:05,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:43:05,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 14:43:05,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:43:05,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 14:43:05,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:43:05,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130487870] [2021-03-25 14:43:05,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:43:05,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:43:05,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945379946] [2021-03-25 14:43:05,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:43:05,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:43:05,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:43:05,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:43:05,710 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 169 [2021-03-25 14:43:05,710 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 46 transitions, 594 flow. Second operand has 7 states, 7 states have (on average 95.42857142857143) internal successors, (668), 7 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:43:05,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:43:05,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 169 [2021-03-25 14:43:05,711 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:43:06,009 INFO L129 PetriNetUnfolder]: 43/114 cut-off events. [2021-03-25 14:43:06,010 INFO L130 PetriNetUnfolder]: For 1662/1691 co-relation queries the response was YES. [2021-03-25 14:43:06,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 758 conditions, 114 events. 43/114 cut-off events. For 1662/1691 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 372 event pairs, 5 based on Foata normal form. 7/118 useless extension candidates. Maximal degree in co-relation 721. Up to 61 conditions per place. [2021-03-25 14:43:06,010 INFO L132 encePairwiseOnDemand]: 161/169 looper letters, 29 selfloop transitions, 14 changer transitions 10/56 dead transitions. [2021-03-25 14:43:06,010 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 56 transitions, 764 flow [2021-03-25 14:43:06,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:43:06,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:43:06,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 594 transitions. [2021-03-25 14:43:06,013 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5857988165680473 [2021-03-25 14:43:06,013 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 594 transitions. [2021-03-25 14:43:06,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 594 transitions. [2021-03-25 14:43:06,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:43:06,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 594 transitions. [2021-03-25 14:43:06,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 99.0) internal successors, (594), 6 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:43:06,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 169.0) internal successors, (1183), 7 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:43:06,016 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 169.0) internal successors, (1183), 7 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:43:06,016 INFO L185 Difference]: Start difference. First operand has 79 places, 46 transitions, 594 flow. Second operand 6 states and 594 transitions. [2021-03-25 14:43:06,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 56 transitions, 764 flow [2021-03-25 14:43:06,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 56 transitions, 684 flow, removed 25 selfloop flow, removed 8 redundant places. [2021-03-25 14:43:06,021 INFO L241 Difference]: Finished difference. Result has 78 places, 42 transitions, 503 flow [2021-03-25 14:43:06,021 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=509, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=503, PETRI_PLACES=78, PETRI_TRANSITIONS=42} [2021-03-25 14:43:06,021 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 40 predicate places. [2021-03-25 14:43:06,022 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:43:06,022 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 42 transitions, 503 flow [2021-03-25 14:43:06,022 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 42 transitions, 503 flow [2021-03-25 14:43:06,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 42 transitions, 503 flow [2021-03-25 14:43:06,032 INFO L129 PetriNetUnfolder]: 16/61 cut-off events. [2021-03-25 14:43:06,032 INFO L130 PetriNetUnfolder]: For 800/804 co-relation queries the response was YES. [2021-03-25 14:43:06,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 61 events. 16/61 cut-off events. For 800/804 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 157 event pairs, 1 based on Foata normal form. 1/61 useless extension candidates. Maximal degree in co-relation 364. Up to 19 conditions per place. [2021-03-25 14:43:06,033 INFO L142 LiptonReduction]: Number of co-enabled transitions 54 [2021-03-25 14:43:07,419 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 269 DAG size of output: 160 [2021-03-25 14:43:07,783 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-03-25 14:43:10,398 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 377 DAG size of output: 236 [2021-03-25 14:43:11,193 WARN L205 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-03-25 14:43:11,196 INFO L154 LiptonReduction]: Checked pairs total: 224 [2021-03-25 14:43:11,196 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:43:11,196 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5174 [2021-03-25 14:43:11,197 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 42 transitions, 515 flow [2021-03-25 14:43:11,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 95.42857142857143) internal successors, (668), 7 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:43:11,197 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:43:11,197 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:43:11,197 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-25 14:43:11,198 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:43:11,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:43:11,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1807689866, now seen corresponding path program 1 times [2021-03-25 14:43:11,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:43:11,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490489255] [2021-03-25 14:43:11,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:43:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:43:11,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:43:11,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:43:11,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:43:11,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:43:11,311 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-25 14:43:11,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 14:43:11,346 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-25 14:43:11,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 14:43:11,350 INFO L142 QuantifierPusher]: treesize reduction 12, result has 84.0 percent of original size [2021-03-25 14:43:11,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 14:43:11,436 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-03-25 14:43:11,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 14:43:11,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:43:11,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 14:43:11,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:43:11,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 14:43:11,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:43:11,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490489255] [2021-03-25 14:43:11,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:43:11,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:43:11,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707670525] [2021-03-25 14:43:11,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 14:43:11,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:43:11,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 14:43:11,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 14:43:11,595 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 170 [2021-03-25 14:43:11,596 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 42 transitions, 515 flow. Second operand has 8 states, 8 states have (on average 92.125) internal successors, (737), 8 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:43:11,596 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:43:11,596 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 170 [2021-03-25 14:43:11,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:43:11,870 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2021-03-25 14:43:12,181 INFO L129 PetriNetUnfolder]: 14/52 cut-off events. [2021-03-25 14:43:12,181 INFO L130 PetriNetUnfolder]: For 977/995 co-relation queries the response was YES. [2021-03-25 14:43:12,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 366 conditions, 52 events. 14/52 cut-off events. For 977/995 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 127 event pairs, 0 based on Foata normal form. 5/56 useless extension candidates. Maximal degree in co-relation 339. Up to 15 conditions per place. [2021-03-25 14:43:12,181 INFO L132 encePairwiseOnDemand]: 164/170 looper letters, 0 selfloop transitions, 0 changer transitions 38/38 dead transitions. [2021-03-25 14:43:12,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 38 transitions, 500 flow [2021-03-25 14:43:12,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:43:12,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:43:12,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 561 transitions. [2021-03-25 14:43:12,184 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.55 [2021-03-25 14:43:12,184 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 561 transitions. [2021-03-25 14:43:12,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 561 transitions. [2021-03-25 14:43:12,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:43:12,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 561 transitions. [2021-03-25 14:43:12,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 93.5) internal successors, (561), 6 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:43:12,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:43:12,187 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:43:12,187 INFO L185 Difference]: Start difference. First operand has 77 places, 42 transitions, 515 flow. Second operand 6 states and 561 transitions. [2021-03-25 14:43:12,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 38 transitions, 500 flow [2021-03-25 14:43:12,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 38 transitions, 388 flow, removed 14 selfloop flow, removed 18 redundant places. [2021-03-25 14:43:12,189 INFO L241 Difference]: Finished difference. Result has 61 places, 0 transitions, 0 flow [2021-03-25 14:43:12,189 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=61, PETRI_TRANSITIONS=0} [2021-03-25 14:43:12,189 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 23 predicate places. [2021-03-25 14:43:12,189 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:43:12,190 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 0 transitions, 0 flow [2021-03-25 14:43:12,190 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 0 transitions, 0 flow [2021-03-25 14:43:12,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-25 14:43:12,190 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-25 14:43:12,190 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:43:12,190 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-25 14:43:12,190 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 14:43:12,190 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 14:43:12,190 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:43:12,190 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-25 14:43:12,191 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-25 14:43:12,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 92.125) internal successors, (737), 8 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:43:12,191 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-25 14:43:12,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 02:43:12 BasicIcfg [2021-03-25 14:43:12,194 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 14:43:12,195 INFO L168 Benchmark]: Toolchain (without parser) took 88062.74 ms. Allocated memory was 255.9 MB in the beginning and 851.4 MB in the end (delta: 595.6 MB). Free memory was 235.0 MB in the beginning and 478.0 MB in the end (delta: -243.0 MB). Peak memory consumption was 351.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:43:12,195 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 14:43:12,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.53 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 234.5 MB in the beginning and 313.9 MB in the end (delta: -79.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-03-25 14:43:12,195 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.51 ms. Allocated memory is still 356.5 MB. Free memory was 313.9 MB in the beginning and 310.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:43:12,195 INFO L168 Benchmark]: Boogie Preprocessor took 48.61 ms. Allocated memory is still 356.5 MB. Free memory was 310.7 MB in the beginning and 307.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-25 14:43:12,196 INFO L168 Benchmark]: RCFGBuilder took 2751.62 ms. Allocated memory is still 356.5 MB. Free memory was 307.8 MB in the beginning and 241.3 MB in the end (delta: 66.4 MB). Peak memory consumption was 119.0 MB. Max. memory is 16.0 GB. [2021-03-25 14:43:12,196 INFO L168 Benchmark]: TraceAbstraction took 84567.45 ms. Allocated memory was 356.5 MB in the beginning and 851.4 MB in the end (delta: 494.9 MB). Free memory was 241.3 MB in the beginning and 478.0 MB in the end (delta: -236.7 MB). Peak memory consumption was 257.2 MB. Max. memory is 16.0 GB. [2021-03-25 14:43:12,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 597.53 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 234.5 MB in the beginning and 313.9 MB in the end (delta: -79.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 77.51 ms. Allocated memory is still 356.5 MB. Free memory was 313.9 MB in the beginning and 310.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 48.61 ms. Allocated memory is still 356.5 MB. Free memory was 310.7 MB in the beginning and 307.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2751.62 ms. Allocated memory is still 356.5 MB. Free memory was 307.8 MB in the beginning and 241.3 MB in the end (delta: 66.4 MB). Peak memory consumption was 119.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 84567.45 ms. Allocated memory was 356.5 MB in the beginning and 851.4 MB in the end (delta: 494.9 MB). Free memory was 241.3 MB in the beginning and 478.0 MB in the end (delta: -236.7 MB). Peak memory consumption was 257.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8887.4ms, 88 PlacesBefore, 38 PlacesAfterwards, 83 TransitionsBefore, 32 TransitionsAfterwards, 1124 CoEnabledTransitionPairs, 4 FixpointIterations, 25 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 57 TotalNumberOfCompositions, 1858 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 939, positive: 879, positive conditional: 0, positive unconditional: 879, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 706, positive: 675, positive conditional: 0, positive unconditional: 675, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 706, positive: 675, positive conditional: 0, positive unconditional: 675, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 706, positive: 666, positive conditional: 0, positive unconditional: 666, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 907, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 891, negative conditional: 0, negative unconditional: 891, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 939, positive: 204, positive conditional: 0, positive unconditional: 204, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 706, unknown conditional: 0, unknown unconditional: 706] , Statistics on independence cache: Total cache size (in pairs): 74, Positive cache size: 53, Positive conditional cache size: 0, Positive unconditional cache size: 53, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7910.1ms, 37 PlacesBefore, 27 PlacesAfterwards, 30 TransitionsBefore, 20 TransitionsAfterwards, 210 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 754 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 164, positive: 99, positive conditional: 0, positive unconditional: 99, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 48, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 48, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 317, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 287, negative conditional: 0, negative unconditional: 287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 164, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 48, unknown conditional: 0, unknown unconditional: 48] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1133.9ms, 30 PlacesBefore, 24 PlacesAfterwards, 18 TransitionsBefore, 16 TransitionsAfterwards, 108 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 402 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 72, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 73, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 72, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 61, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 80.1ms, 25 PlacesBefore, 25 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 104 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 124 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 74, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.4ms, 36 PlacesBefore, 33 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 102 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 33 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2794.7ms, 42 PlacesBefore, 42 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 110 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 28 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.0ms, 51 PlacesBefore, 50 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 114 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 26 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.6ms, 49 PlacesBefore, 49 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 128 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 12 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2833.3ms, 63 PlacesBefore, 63 PlacesAfterwards, 64 TransitionsBefore, 63 TransitionsAfterwards, 136 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 308 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 58, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1549.0ms, 72 PlacesBefore, 71 PlacesAfterwards, 63 TransitionsBefore, 61 TransitionsAfterwards, 124 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 436 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 3, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 3, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 24, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 37, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 48, Positive cache size: 36, Positive conditional cache size: 0, Positive unconditional cache size: 36, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15684.7ms, 84 PlacesBefore, 84 PlacesAfterwards, 80 TransitionsBefore, 80 TransitionsAfterwards, 130 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 650 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 94, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 7, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 7, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 59, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 94, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7934.8ms, 85 PlacesBefore, 84 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 130 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 464 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 113, positive: 92, positive conditional: 0, positive unconditional: 92, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 2, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 2, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 43, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 113, positive: 91, positive conditional: 0, positive unconditional: 91, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7744.5ms, 94 PlacesBefore, 89 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 108 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 492 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 126, positive: 102, positive conditional: 0, positive unconditional: 102, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 126, positive: 95, positive conditional: 0, positive unconditional: 95, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.7ms, 86 PlacesBefore, 76 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 94 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.0ms, 73 PlacesBefore, 72 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 94 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 73 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 31, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 31, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.5ms, 76 PlacesBefore, 75 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 94 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 71 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11505.8ms, 81 PlacesBefore, 79 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 62 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 193 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 67, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 48, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5174.4ms, 78 PlacesBefore, 77 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 54 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 224 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 70, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 70, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.6ms, 61 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 84408.9ms, OverallIterations: 18, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 6653.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8970.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 131 SDtfs, 269 SDslu, 203 SDs, 0 SdLazy, 1418 SolverSat, 372 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2442.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 3728.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1116occurred in iteration=11, InterpolantAutomatonStates: 137, 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: 66.8ms SsaConstructionTime, 655.7ms SatisfiabilityAnalysisTime, 3262.2ms InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 2092 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...