/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix046_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 00:19:59,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 00:19:59,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 00:19:59,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 00:19:59,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 00:19:59,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 00:19:59,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 00:19:59,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 00:19:59,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 00:19:59,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 00:19:59,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 00:19:59,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 00:19:59,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 00:19:59,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 00:19:59,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 00:19:59,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 00:19:59,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 00:19:59,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 00:19:59,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 00:19:59,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 00:19:59,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 00:19:59,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 00:19:59,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 00:19:59,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 00:19:59,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 00:19:59,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 00:19:59,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 00:19:59,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 00:19:59,949 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-03-26 00:19:59,991 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 00:19:59,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 00:19:59,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 00:19:59,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 00:19:59,994 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 00:19:59,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 00:19:59,995 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 00:19:59,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 00:19:59,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 00:19:59,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 00:19:59,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 00:19:59,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 00:19:59,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 00:19:59,996 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 00:19:59,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 00:19:59,996 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 00:19:59,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 00:19:59,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 00:19:59,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 00:19:59,997 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 00:19:59,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 00:19:59,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 00:19:59,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 00:19:59,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 00:19:59,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 00:19:59,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 00:19:59,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 00:19:59,998 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 00:19:59,998 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 00:19:59,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 00:19:59,998 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 00:20:00,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 00:20:00,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 00:20:00,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 00:20:00,318 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 00:20:00,318 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 00:20:00,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix046_pso.opt.i [2021-03-26 00:20:00,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f39347b/dcf3e895ef5f46d8aa162b3409f716d1/FLAG3a5bd706c [2021-03-26 00:20:00,917 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 00:20:00,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_pso.opt.i [2021-03-26 00:20:00,930 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f39347b/dcf3e895ef5f46d8aa162b3409f716d1/FLAG3a5bd706c [2021-03-26 00:20:01,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f39347b/dcf3e895ef5f46d8aa162b3409f716d1 [2021-03-26 00:20:01,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 00:20:01,397 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 00:20:01,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 00:20:01,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 00:20:01,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 00:20:01,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:20:01" (1/1) ... [2021-03-26 00:20:01,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@228b4fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:01, skipping insertion in model container [2021-03-26 00:20:01,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:20:01" (1/1) ... [2021-03-26 00:20:01,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 00:20:01,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 00:20:01,576 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/mix046_pso.opt.i[948,961] [2021-03-26 00:20:01,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:20:01,783 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 00:20:01,795 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/mix046_pso.opt.i[948,961] [2021-03-26 00:20:01,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:20:01,909 INFO L208 MainTranslator]: Completed translation [2021-03-26 00:20:01,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:01 WrapperNode [2021-03-26 00:20:01,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 00:20:01,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 00:20:01,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 00:20:01,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 00:20:01,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:01" (1/1) ... [2021-03-26 00:20:01,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:01" (1/1) ... [2021-03-26 00:20:01,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 00:20:01,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 00:20:01,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 00:20:01,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 00:20:01,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:01" (1/1) ... [2021-03-26 00:20:01,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:01" (1/1) ... [2021-03-26 00:20:01,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:01" (1/1) ... [2021-03-26 00:20:01,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:01" (1/1) ... [2021-03-26 00:20:01,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:01" (1/1) ... [2021-03-26 00:20:01,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:01" (1/1) ... [2021-03-26 00:20:01,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:01" (1/1) ... [2021-03-26 00:20:01,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 00:20:02,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 00:20:02,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 00:20:02,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 00:20:02,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 00:20:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 00:20:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 00:20:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 00:20:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 00:20:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 00:20:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 00:20:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 00:20:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 00:20:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 00:20:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 00:20:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-26 00:20:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-26 00:20:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 00:20:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 00:20:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 00:20:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 00:20:02,072 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 00:20:03,626 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 00:20:03,627 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 00:20:03,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:20:03 BoogieIcfgContainer [2021-03-26 00:20:03,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 00:20:03,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 00:20:03,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 00:20:03,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 00:20:03,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 12:20:01" (1/3) ... [2021-03-26 00:20:03,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd98251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:20:03, skipping insertion in model container [2021-03-26 00:20:03,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:01" (2/3) ... [2021-03-26 00:20:03,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd98251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:20:03, skipping insertion in model container [2021-03-26 00:20:03,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:20:03" (3/3) ... [2021-03-26 00:20:03,635 INFO L111 eAbstractionObserver]: Analyzing ICFG mix046_pso.opt.i [2021-03-26 00:20:03,641 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 00:20:03,644 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 00:20:03,645 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 00:20:03,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,684 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,684 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,684 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,684 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,687 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,687 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,687 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,687 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,689 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,689 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,690 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,690 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,694 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,694 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,695 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,695 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,695 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,695 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,695 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,695 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,695 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,696 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,696 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,696 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,696 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,696 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,697 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,697 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,697 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,697 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,697 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,697 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,698 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,698 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,698 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,698 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,699 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,699 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,699 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,699 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,699 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,700 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,700 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,700 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,700 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,701 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,703 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,703 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,704 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,704 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,704 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,704 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,705 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,706 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,706 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,707 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,708 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,710 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,710 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,710 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,711 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,716 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,717 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,717 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,717 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,717 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,717 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,718 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,718 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,718 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,718 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,718 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,718 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,718 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:03,719 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 00:20:03,735 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-26 00:20:03,766 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 00:20:03,766 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 00:20:03,766 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 00:20:03,766 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 00:20:03,766 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 00:20:03,767 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 00:20:03,767 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 00:20:03,767 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 00:20:03,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 254 flow [2021-03-26 00:20:03,833 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-03-26 00:20:03,833 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:20:03,843 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 87 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-26 00:20:03,844 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 117 transitions, 254 flow [2021-03-26 00:20:03,853 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 113 transitions, 238 flow [2021-03-26 00:20:03,855 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:03,864 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 113 transitions, 238 flow [2021-03-26 00:20:03,866 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 113 transitions, 238 flow [2021-03-26 00:20:03,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 238 flow [2021-03-26 00:20:03,885 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-03-26 00:20:03,886 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:20:03,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-26 00:20:03,889 INFO L142 LiptonReduction]: Number of co-enabled transitions 2598 [2021-03-26 00:20:05,213 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 00:20:05,649 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 88 [2021-03-26 00:20:05,793 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-26 00:20:06,490 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-03-26 00:20:06,764 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-26 00:20:08,090 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 314 DAG size of output: 269 [2021-03-26 00:20:08,658 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-03-26 00:20:09,984 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-03-26 00:20:10,232 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-03-26 00:20:10,768 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-26 00:20:11,372 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-26 00:20:11,593 INFO L154 LiptonReduction]: Checked pairs total: 4166 [2021-03-26 00:20:11,593 INFO L156 LiptonReduction]: Total number of compositions: 74 [2021-03-26 00:20:11,595 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7741 [2021-03-26 00:20:11,605 INFO L129 PetriNetUnfolder]: 0/32 cut-off events. [2021-03-26 00:20:11,606 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:20:11,606 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:11,606 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:11,607 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:11,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:11,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1459371111, now seen corresponding path program 1 times [2021-03-26 00:20:11,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:11,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596856306] [2021-03-26 00:20:11,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:11,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:11,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:20:11,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:11,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:11,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:11,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596856306] [2021-03-26 00:20:11,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:11,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:20:11,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660029463] [2021-03-26 00:20:11,903 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:20:11,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:11,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:20:11,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:20:11,916 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 191 [2021-03-26 00:20:11,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 48 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:11,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:11,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 191 [2021-03-26 00:20:11,923 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:12,004 INFO L129 PetriNetUnfolder]: 23/111 cut-off events. [2021-03-26 00:20:12,005 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:20:12,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 111 events. 23/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 394 event pairs, 3 based on Foata normal form. 6/110 useless extension candidates. Maximal degree in co-relation 148. Up to 37 conditions per place. [2021-03-26 00:20:12,007 INFO L132 encePairwiseOnDemand]: 187/191 looper letters, 7 selfloop transitions, 2 changer transitions 5/49 dead transitions. [2021-03-26 00:20:12,007 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 49 transitions, 132 flow [2021-03-26 00:20:12,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:20:12,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:20:12,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 524 transitions. [2021-03-26 00:20:12,026 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9144851657940664 [2021-03-26 00:20:12,026 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 524 transitions. [2021-03-26 00:20:12,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 524 transitions. [2021-03-26 00:20:12,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:12,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 524 transitions. [2021-03-26 00:20:12,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:12,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:12,040 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:12,041 INFO L185 Difference]: Start difference. First operand has 60 places, 48 transitions, 108 flow. Second operand 3 states and 524 transitions. [2021-03-26 00:20:12,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 49 transitions, 132 flow [2021-03-26 00:20:12,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 49 transitions, 128 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 00:20:12,046 INFO L241 Difference]: Finished difference. Result has 56 places, 41 transitions, 94 flow [2021-03-26 00:20:12,047 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=56, PETRI_TRANSITIONS=41} [2021-03-26 00:20:12,048 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -4 predicate places. [2021-03-26 00:20:12,048 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:12,048 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 41 transitions, 94 flow [2021-03-26 00:20:12,048 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 41 transitions, 94 flow [2021-03-26 00:20:12,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 41 transitions, 94 flow [2021-03-26 00:20:12,054 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-03-26 00:20:12,054 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:20:12,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 41 events. 0/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 38 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 00:20:12,055 INFO L142 LiptonReduction]: Number of co-enabled transitions 392 [2021-03-26 00:20:12,700 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2021-03-26 00:20:13,020 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-03-26 00:20:13,658 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-03-26 00:20:14,268 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-03-26 00:20:15,399 INFO L154 LiptonReduction]: Checked pairs total: 1274 [2021-03-26 00:20:15,399 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-26 00:20:15,400 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3352 [2021-03-26 00:20:15,401 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 70 flow [2021-03-26 00:20:15,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:15,402 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:15,402 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:15,402 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 00:20:15,402 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:15,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:15,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1826671133, now seen corresponding path program 1 times [2021-03-26 00:20:15,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:15,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266652062] [2021-03-26 00:20:15,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:15,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:15,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:20:15,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:15,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:15,541 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 00:20:15,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 00:20:15,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:15,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266652062] [2021-03-26 00:20:15,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:15,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:20:15,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504355415] [2021-03-26 00:20:15,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:20:15,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:15,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:20:15,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:20:15,548 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 203 [2021-03-26 00:20:15,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 179.75) internal successors, (719), 4 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:15,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:15,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 203 [2021-03-26 00:20:15,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:15,576 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-03-26 00:20:15,576 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 00:20:15,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 29 events. 0/29 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 39 event pairs, 0 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 00:20:15,577 INFO L132 encePairwiseOnDemand]: 200/203 looper letters, 1 selfloop transitions, 2 changer transitions 1/29 dead transitions. [2021-03-26 00:20:15,577 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 29 transitions, 76 flow [2021-03-26 00:20:15,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:20:15,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:20:15,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 541 transitions. [2021-03-26 00:20:15,579 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8883415435139573 [2021-03-26 00:20:15,579 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 541 transitions. [2021-03-26 00:20:15,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 541 transitions. [2021-03-26 00:20:15,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:15,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 541 transitions. [2021-03-26 00:20:15,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:15,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:15,584 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:15,584 INFO L185 Difference]: Start difference. First operand has 40 places, 29 transitions, 70 flow. Second operand 3 states and 541 transitions. [2021-03-26 00:20:15,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 29 transitions, 76 flow [2021-03-26 00:20:15,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 29 transitions, 72 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 00:20:15,585 INFO L241 Difference]: Finished difference. Result has 41 places, 28 transitions, 72 flow [2021-03-26 00:20:15,585 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=41, PETRI_TRANSITIONS=28} [2021-03-26 00:20:15,586 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -19 predicate places. [2021-03-26 00:20:15,586 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:15,586 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 28 transitions, 72 flow [2021-03-26 00:20:15,586 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 28 transitions, 72 flow [2021-03-26 00:20:15,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 28 transitions, 72 flow [2021-03-26 00:20:15,591 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-03-26 00:20:15,591 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:20:15,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 28 events. 0/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 00:20:15,591 INFO L142 LiptonReduction]: Number of co-enabled transitions 304 [2021-03-26 00:20:16,510 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-26 00:20:16,661 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-26 00:20:17,036 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-26 00:20:17,207 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-26 00:20:17,212 INFO L154 LiptonReduction]: Checked pairs total: 1047 [2021-03-26 00:20:17,212 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 00:20:17,212 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1626 [2021-03-26 00:20:17,213 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 25 transitions, 66 flow [2021-03-26 00:20:17,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 179.75) internal successors, (719), 4 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:17,214 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:17,214 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:17,214 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 00:20:17,214 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:17,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:17,214 INFO L82 PathProgramCache]: Analyzing trace with hash 504597834, now seen corresponding path program 1 times [2021-03-26 00:20:17,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:17,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610991939] [2021-03-26 00:20:17,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:17,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:17,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:20:17,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:17,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:20:17,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:17,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:20:17,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:17,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:20:17,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:17,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:20:17,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:17,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610991939] [2021-03-26 00:20:17,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:17,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 00:20:17,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755485699] [2021-03-26 00:20:17,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:20:17,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:17,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:20:17,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:20:17,366 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 206 [2021-03-26 00:20:17,368 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 25 transitions, 66 flow. Second operand has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:17,368 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:17,368 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 206 [2021-03-26 00:20:17,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:17,513 INFO L129 PetriNetUnfolder]: 102/213 cut-off events. [2021-03-26 00:20:17,513 INFO L130 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2021-03-26 00:20:17,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 213 events. 102/213 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 932 event pairs, 51 based on Foata normal form. 2/207 useless extension candidates. Maximal degree in co-relation 433. Up to 165 conditions per place. [2021-03-26 00:20:17,519 INFO L132 encePairwiseOnDemand]: 199/206 looper letters, 9 selfloop transitions, 11 changer transitions 0/36 dead transitions. [2021-03-26 00:20:17,519 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 36 transitions, 131 flow [2021-03-26 00:20:17,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:20:17,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:20:17,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 837 transitions. [2021-03-26 00:20:17,523 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8126213592233009 [2021-03-26 00:20:17,523 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 837 transitions. [2021-03-26 00:20:17,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 837 transitions. [2021-03-26 00:20:17,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:17,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 837 transitions. [2021-03-26 00:20:17,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 167.4) internal successors, (837), 5 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:17,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 206.0) internal successors, (1236), 6 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:17,529 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 206.0) internal successors, (1236), 6 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:17,529 INFO L185 Difference]: Start difference. First operand has 37 places, 25 transitions, 66 flow. Second operand 5 states and 837 transitions. [2021-03-26 00:20:17,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 36 transitions, 131 flow [2021-03-26 00:20:17,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 36 transitions, 125 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 00:20:17,530 INFO L241 Difference]: Finished difference. Result has 42 places, 35 transitions, 134 flow [2021-03-26 00:20:17,530 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=134, PETRI_PLACES=42, PETRI_TRANSITIONS=35} [2021-03-26 00:20:17,531 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -18 predicate places. [2021-03-26 00:20:17,531 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:17,531 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 35 transitions, 134 flow [2021-03-26 00:20:17,532 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 35 transitions, 134 flow [2021-03-26 00:20:17,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 35 transitions, 134 flow [2021-03-26 00:20:17,553 INFO L129 PetriNetUnfolder]: 20/105 cut-off events. [2021-03-26 00:20:17,553 INFO L130 PetriNetUnfolder]: For 20/21 co-relation queries the response was YES. [2021-03-26 00:20:17,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 105 events. 20/105 cut-off events. For 20/21 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 455 event pairs, 6 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 192. Up to 34 conditions per place. [2021-03-26 00:20:17,555 INFO L142 LiptonReduction]: Number of co-enabled transitions 408 [2021-03-26 00:20:17,731 INFO L154 LiptonReduction]: Checked pairs total: 360 [2021-03-26 00:20:17,732 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:20:17,732 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 201 [2021-03-26 00:20:17,732 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 35 transitions, 134 flow [2021-03-26 00:20:17,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:17,733 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:17,733 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:17,733 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 00:20:17,733 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:17,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:17,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1641857895, now seen corresponding path program 1 times [2021-03-26 00:20:17,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:17,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375738777] [2021-03-26 00:20:17,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:17,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:17,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:17,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:17,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375738777] [2021-03-26 00:20:17,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:17,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 00:20:17,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798766027] [2021-03-26 00:20:17,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:20:17,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:17,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:20:17,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:20:17,801 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 206 [2021-03-26 00:20:17,801 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 35 transitions, 134 flow. Second operand has 3 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:17,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:17,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 206 [2021-03-26 00:20:17,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:17,820 INFO L129 PetriNetUnfolder]: 26/104 cut-off events. [2021-03-26 00:20:17,820 INFO L130 PetriNetUnfolder]: For 71/74 co-relation queries the response was YES. [2021-03-26 00:20:17,820 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 104 events. 26/104 cut-off events. For 71/74 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 392 event pairs, 8 based on Foata normal form. 4/101 useless extension candidates. Maximal degree in co-relation 226. Up to 37 conditions per place. [2021-03-26 00:20:17,821 INFO L132 encePairwiseOnDemand]: 202/206 looper letters, 4 selfloop transitions, 7 changer transitions 0/37 dead transitions. [2021-03-26 00:20:17,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 37 transitions, 164 flow [2021-03-26 00:20:17,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:20:17,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:20:17,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 565 transitions. [2021-03-26 00:20:17,823 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9142394822006472 [2021-03-26 00:20:17,823 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 565 transitions. [2021-03-26 00:20:17,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 565 transitions. [2021-03-26 00:20:17,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:17,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 565 transitions. [2021-03-26 00:20:17,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:17,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:17,827 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:17,827 INFO L185 Difference]: Start difference. First operand has 42 places, 35 transitions, 134 flow. Second operand 3 states and 565 transitions. [2021-03-26 00:20:17,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 37 transitions, 164 flow [2021-03-26 00:20:17,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 37 transitions, 164 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 00:20:17,829 INFO L241 Difference]: Finished difference. Result has 45 places, 37 transitions, 169 flow [2021-03-26 00:20:17,829 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=169, PETRI_PLACES=45, PETRI_TRANSITIONS=37} [2021-03-26 00:20:17,829 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -15 predicate places. [2021-03-26 00:20:17,829 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:17,830 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 37 transitions, 169 flow [2021-03-26 00:20:17,830 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 37 transitions, 169 flow [2021-03-26 00:20:17,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 37 transitions, 169 flow [2021-03-26 00:20:17,842 INFO L129 PetriNetUnfolder]: 29/107 cut-off events. [2021-03-26 00:20:17,842 INFO L130 PetriNetUnfolder]: For 88/91 co-relation queries the response was YES. [2021-03-26 00:20:17,843 INFO L84 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 107 events. 29/107 cut-off events. For 88/91 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 422 event pairs, 7 based on Foata normal form. 1/103 useless extension candidates. Maximal degree in co-relation 261. Up to 39 conditions per place. [2021-03-26 00:20:17,844 INFO L142 LiptonReduction]: Number of co-enabled transitions 436 [2021-03-26 00:20:17,883 INFO L154 LiptonReduction]: Checked pairs total: 425 [2021-03-26 00:20:17,883 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:20:17,883 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-03-26 00:20:17,884 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 37 transitions, 169 flow [2021-03-26 00:20:17,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:17,885 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:17,885 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:17,885 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 00:20:17,885 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:17,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:17,886 INFO L82 PathProgramCache]: Analyzing trace with hash -678100871, now seen corresponding path program 1 times [2021-03-26 00:20:17,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:17,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385089829] [2021-03-26 00:20:17,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:17,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:17,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:20:17,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:17,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:20:17,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:17,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:20:17,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:17,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385089829] [2021-03-26 00:20:17,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:17,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:20:17,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908522211] [2021-03-26 00:20:17,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:20:17,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:17,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:20:17,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:20:17,958 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 206 [2021-03-26 00:20:17,959 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 37 transitions, 169 flow. Second operand has 5 states, 5 states have (on average 163.8) internal successors, (819), 5 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:17,959 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:17,959 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 206 [2021-03-26 00:20:17,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:18,024 INFO L129 PetriNetUnfolder]: 72/178 cut-off events. [2021-03-26 00:20:18,024 INFO L130 PetriNetUnfolder]: For 223/230 co-relation queries the response was YES. [2021-03-26 00:20:18,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 521 conditions, 178 events. 72/178 cut-off events. For 223/230 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 754 event pairs, 29 based on Foata normal form. 6/178 useless extension candidates. Maximal degree in co-relation 505. Up to 94 conditions per place. [2021-03-26 00:20:18,026 INFO L132 encePairwiseOnDemand]: 201/206 looper letters, 10 selfloop transitions, 8 changer transitions 0/43 dead transitions. [2021-03-26 00:20:18,026 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 43 transitions, 230 flow [2021-03-26 00:20:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:20:18,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:20:18,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 666 transitions. [2021-03-26 00:20:18,028 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.808252427184466 [2021-03-26 00:20:18,029 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 666 transitions. [2021-03-26 00:20:18,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 666 transitions. [2021-03-26 00:20:18,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:18,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 666 transitions. [2021-03-26 00:20:18,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 166.5) internal successors, (666), 4 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:18,032 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:18,033 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:18,033 INFO L185 Difference]: Start difference. First operand has 45 places, 37 transitions, 169 flow. Second operand 4 states and 666 transitions. [2021-03-26 00:20:18,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 43 transitions, 230 flow [2021-03-26 00:20:18,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 43 transitions, 217 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 00:20:18,037 INFO L241 Difference]: Finished difference. Result has 48 places, 41 transitions, 203 flow [2021-03-26 00:20:18,037 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=203, PETRI_PLACES=48, PETRI_TRANSITIONS=41} [2021-03-26 00:20:18,037 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -12 predicate places. [2021-03-26 00:20:18,037 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:18,037 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 41 transitions, 203 flow [2021-03-26 00:20:18,038 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 41 transitions, 203 flow [2021-03-26 00:20:18,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 41 transitions, 203 flow [2021-03-26 00:20:18,053 INFO L129 PetriNetUnfolder]: 39/129 cut-off events. [2021-03-26 00:20:18,054 INFO L130 PetriNetUnfolder]: For 136/144 co-relation queries the response was YES. [2021-03-26 00:20:18,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 129 events. 39/129 cut-off events. For 136/144 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 586 event pairs, 10 based on Foata normal form. 2/123 useless extension candidates. Maximal degree in co-relation 346. Up to 47 conditions per place. [2021-03-26 00:20:18,056 INFO L142 LiptonReduction]: Number of co-enabled transitions 490 [2021-03-26 00:20:18,184 INFO L154 LiptonReduction]: Checked pairs total: 362 [2021-03-26 00:20:18,184 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:20:18,184 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 147 [2021-03-26 00:20:18,185 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 41 transitions, 203 flow [2021-03-26 00:20:18,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 163.8) internal successors, (819), 5 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:18,185 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:18,185 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:18,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 00:20:18,186 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:18,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:18,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1559987101, now seen corresponding path program 1 times [2021-03-26 00:20:18,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:18,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245852760] [2021-03-26 00:20:18,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:18,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:18,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:20:18,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:18,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:20:18,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:18,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 00:20:18,314 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.8 percent of original size [2021-03-26 00:20:18,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 00:20:18,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:18,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245852760] [2021-03-26 00:20:18,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:18,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:20:18,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130782613] [2021-03-26 00:20:18,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:20:18,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:18,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:20:18,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:20:18,337 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 206 [2021-03-26 00:20:18,338 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 41 transitions, 203 flow. Second operand has 6 states, 6 states have (on average 165.83333333333334) internal successors, (995), 6 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:18,338 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:18,338 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 206 [2021-03-26 00:20:18,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:18,451 INFO L129 PetriNetUnfolder]: 71/185 cut-off events. [2021-03-26 00:20:18,451 INFO L130 PetriNetUnfolder]: For 304/313 co-relation queries the response was YES. [2021-03-26 00:20:18,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 185 events. 71/185 cut-off events. For 304/313 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 852 event pairs, 6 based on Foata normal form. 9/189 useless extension candidates. Maximal degree in co-relation 582. Up to 62 conditions per place. [2021-03-26 00:20:18,454 INFO L132 encePairwiseOnDemand]: 200/206 looper letters, 12 selfloop transitions, 10 changer transitions 0/47 dead transitions. [2021-03-26 00:20:18,454 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 47 transitions, 275 flow [2021-03-26 00:20:18,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:20:18,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:20:18,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 842 transitions. [2021-03-26 00:20:18,457 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8174757281553398 [2021-03-26 00:20:18,457 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 842 transitions. [2021-03-26 00:20:18,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 842 transitions. [2021-03-26 00:20:18,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:18,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 842 transitions. [2021-03-26 00:20:18,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 168.4) internal successors, (842), 5 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:18,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 206.0) internal successors, (1236), 6 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:18,462 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 206.0) internal successors, (1236), 6 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:18,462 INFO L185 Difference]: Start difference. First operand has 48 places, 41 transitions, 203 flow. Second operand 5 states and 842 transitions. [2021-03-26 00:20:18,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 47 transitions, 275 flow [2021-03-26 00:20:18,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 47 transitions, 275 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 00:20:18,466 INFO L241 Difference]: Finished difference. Result has 53 places, 43 transitions, 245 flow [2021-03-26 00:20:18,467 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=245, PETRI_PLACES=53, PETRI_TRANSITIONS=43} [2021-03-26 00:20:18,467 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -7 predicate places. [2021-03-26 00:20:18,467 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:18,467 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 43 transitions, 245 flow [2021-03-26 00:20:18,467 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 43 transitions, 245 flow [2021-03-26 00:20:18,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 43 transitions, 245 flow [2021-03-26 00:20:18,488 INFO L129 PetriNetUnfolder]: 52/155 cut-off events. [2021-03-26 00:20:18,488 INFO L130 PetriNetUnfolder]: For 333/349 co-relation queries the response was YES. [2021-03-26 00:20:18,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 526 conditions, 155 events. 52/155 cut-off events. For 333/349 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 736 event pairs, 12 based on Foata normal form. 6/149 useless extension candidates. Maximal degree in co-relation 507. Up to 56 conditions per place. [2021-03-26 00:20:18,490 INFO L142 LiptonReduction]: Number of co-enabled transitions 516 [2021-03-26 00:20:18,568 INFO L154 LiptonReduction]: Checked pairs total: 332 [2021-03-26 00:20:18,568 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:20:18,568 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 101 [2021-03-26 00:20:18,576 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 43 transitions, 245 flow [2021-03-26 00:20:18,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 165.83333333333334) internal successors, (995), 6 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:18,576 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:18,577 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:18,577 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 00:20:18,577 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:18,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:18,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1114957888, now seen corresponding path program 1 times [2021-03-26 00:20:18,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:18,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646550306] [2021-03-26 00:20:18,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:18,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:18,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 00:20:18,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:18,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 00:20:18,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:18,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:20:18,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:18,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:20:18,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:18,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 00:20:18,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:18,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646550306] [2021-03-26 00:20:18,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:18,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 00:20:18,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429685030] [2021-03-26 00:20:18,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 00:20:18,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:18,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 00:20:18,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-26 00:20:18,746 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 206 [2021-03-26 00:20:18,747 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 43 transitions, 245 flow. Second operand has 7 states, 7 states have (on average 163.85714285714286) internal successors, (1147), 7 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:18,747 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:18,747 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 206 [2021-03-26 00:20:18,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:18,876 INFO L129 PetriNetUnfolder]: 70/184 cut-off events. [2021-03-26 00:20:18,876 INFO L130 PetriNetUnfolder]: For 431/440 co-relation queries the response was YES. [2021-03-26 00:20:18,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 687 conditions, 184 events. 70/184 cut-off events. For 431/440 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 839 event pairs, 4 based on Foata normal form. 8/188 useless extension candidates. Maximal degree in co-relation 666. Up to 53 conditions per place. [2021-03-26 00:20:18,880 INFO L132 encePairwiseOnDemand]: 199/206 looper letters, 12 selfloop transitions, 13 changer transitions 0/50 dead transitions. [2021-03-26 00:20:18,880 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 50 transitions, 337 flow [2021-03-26 00:20:18,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 00:20:18,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 00:20:18,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 997 transitions. [2021-03-26 00:20:18,883 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8066343042071198 [2021-03-26 00:20:18,883 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 997 transitions. [2021-03-26 00:20:18,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 997 transitions. [2021-03-26 00:20:18,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:18,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 997 transitions. [2021-03-26 00:20:18,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 166.16666666666666) internal successors, (997), 6 states have internal predecessors, (997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:18,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 206.0) internal successors, (1442), 7 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:18,888 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 206.0) internal successors, (1442), 7 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:18,888 INFO L185 Difference]: Start difference. First operand has 53 places, 43 transitions, 245 flow. Second operand 6 states and 997 transitions. [2021-03-26 00:20:18,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 50 transitions, 337 flow [2021-03-26 00:20:18,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 50 transitions, 315 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-26 00:20:18,893 INFO L241 Difference]: Finished difference. Result has 57 places, 46 transitions, 288 flow [2021-03-26 00:20:18,893 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=288, PETRI_PLACES=57, PETRI_TRANSITIONS=46} [2021-03-26 00:20:18,893 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2021-03-26 00:20:18,893 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:18,893 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 46 transitions, 288 flow [2021-03-26 00:20:18,894 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 46 transitions, 288 flow [2021-03-26 00:20:18,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 46 transitions, 288 flow [2021-03-26 00:20:18,939 INFO L129 PetriNetUnfolder]: 52/155 cut-off events. [2021-03-26 00:20:18,939 INFO L130 PetriNetUnfolder]: For 407/421 co-relation queries the response was YES. [2021-03-26 00:20:18,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 559 conditions, 155 events. 52/155 cut-off events. For 407/421 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 721 event pairs, 7 based on Foata normal form. 5/146 useless extension candidates. Maximal degree in co-relation 539. Up to 56 conditions per place. [2021-03-26 00:20:18,942 INFO L142 LiptonReduction]: Number of co-enabled transitions 550 [2021-03-26 00:20:18,998 INFO L154 LiptonReduction]: Checked pairs total: 426 [2021-03-26 00:20:18,999 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:20:18,999 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 106 [2021-03-26 00:20:18,999 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 46 transitions, 288 flow [2021-03-26 00:20:19,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 163.85714285714286) internal successors, (1147), 7 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:19,000 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:19,000 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:19,000 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 00:20:19,000 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:19,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:19,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1180037336, now seen corresponding path program 1 times [2021-03-26 00:20:19,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:19,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018289002] [2021-03-26 00:20:19,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:19,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:19,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:19,087 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 00:20:19,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:20:19,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:19,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:20:19,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:19,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018289002] [2021-03-26 00:20:19,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:19,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:20:19,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233663410] [2021-03-26 00:20:19,099 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:20:19,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:19,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:20:19,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:20:19,100 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 206 [2021-03-26 00:20:19,101 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 46 transitions, 288 flow. Second operand has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:19,101 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:19,101 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 206 [2021-03-26 00:20:19,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:19,204 INFO L129 PetriNetUnfolder]: 329/668 cut-off events. [2021-03-26 00:20:19,205 INFO L130 PetriNetUnfolder]: For 1518/1686 co-relation queries the response was YES. [2021-03-26 00:20:19,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2065 conditions, 668 events. 329/668 cut-off events. For 1518/1686 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 4321 event pairs, 134 based on Foata normal form. 87/672 useless extension candidates. Maximal degree in co-relation 2043. Up to 349 conditions per place. [2021-03-26 00:20:19,212 INFO L132 encePairwiseOnDemand]: 199/206 looper letters, 13 selfloop transitions, 10 changer transitions 0/59 dead transitions. [2021-03-26 00:20:19,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 59 transitions, 360 flow [2021-03-26 00:20:19,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:20:19,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:20:19,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 877 transitions. [2021-03-26 00:20:19,215 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8514563106796117 [2021-03-26 00:20:19,215 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 877 transitions. [2021-03-26 00:20:19,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 877 transitions. [2021-03-26 00:20:19,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:19,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 877 transitions. [2021-03-26 00:20:19,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 175.4) internal successors, (877), 5 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:19,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 206.0) internal successors, (1236), 6 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:19,219 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 206.0) internal successors, (1236), 6 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:19,219 INFO L185 Difference]: Start difference. First operand has 57 places, 46 transitions, 288 flow. Second operand 5 states and 877 transitions. [2021-03-26 00:20:19,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 59 transitions, 360 flow [2021-03-26 00:20:19,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 59 transitions, 330 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-26 00:20:19,223 INFO L241 Difference]: Finished difference. Result has 60 places, 55 transitions, 345 flow [2021-03-26 00:20:19,223 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=345, PETRI_PLACES=60, PETRI_TRANSITIONS=55} [2021-03-26 00:20:19,223 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 0 predicate places. [2021-03-26 00:20:19,223 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:19,223 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 55 transitions, 345 flow [2021-03-26 00:20:19,224 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 55 transitions, 345 flow [2021-03-26 00:20:19,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 55 transitions, 345 flow [2021-03-26 00:20:19,288 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([962] L793-->P2EXIT: Formula: (and (= v_~__unbuffered_cnt~0_67 (+ v_~__unbuffered_cnt~0_68 1)) (= |v_P2Thread1of1ForFork2_#res.offset_7| 0) (= |v_P2Thread1of1ForFork2_#res.base_7| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_68} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_7|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_67, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_7|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset][51], [P0Thread1of1ForFork0InUse, P2Thread1of1ForFork2InUse, 323#true, 230#true, 8#P1EXITtrue, 169#true, Black: 325#(= ~__unbuffered_cnt~0 0), Black: 326#(and (< 0 (+ ULTIMATE.start_assume_abort_if_not_~cond 1)) (<= ULTIMATE.start_assume_abort_if_not_~cond 0)), Black: 328#(and (< 0 (+ ULTIMATE.start_assume_abort_if_not_~cond 1)) (<= ULTIMATE.start_assume_abort_if_not_~cond 0) (= ~__unbuffered_cnt~0 0)), Black: 234#(and (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 205#(= ~y~0 0), Black: 294#(and (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 1) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0_used~0 0)), 50#P2EXITtrue, Black: 172#(and (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0~0 ~z~0) (= ~z$w_buff0~0 ~y~0)), Black: 269#(and (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff1_used~0 0) (or (= ~z~0 0) (= ~z~0 1))), Black: 174#(and (not (= ~z$w_buff0~0 ~z~0)) (not (= 2 ~y~0))), 59#P0EXITtrue, Black: 154#(= ~__unbuffered_p3_EAX~0 0), 29#L819true, P3Thread1of1ForFork3InUse, P1Thread1of1ForFork1InUse, 95#L864true]) [2021-03-26 00:20:19,289 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-03-26 00:20:19,289 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-03-26 00:20:19,289 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-03-26 00:20:19,289 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-03-26 00:20:19,301 INFO L129 PetriNetUnfolder]: 418/740 cut-off events. [2021-03-26 00:20:19,301 INFO L130 PetriNetUnfolder]: For 1630/1768 co-relation queries the response was YES. [2021-03-26 00:20:19,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2641 conditions, 740 events. 418/740 cut-off events. For 1630/1768 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 4351 event pairs, 140 based on Foata normal form. 8/643 useless extension candidates. Maximal degree in co-relation 2618. Up to 470 conditions per place. [2021-03-26 00:20:19,313 INFO L142 LiptonReduction]: Number of co-enabled transitions 816 [2021-03-26 00:20:19,337 INFO L154 LiptonReduction]: Checked pairs total: 316 [2021-03-26 00:20:19,337 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:20:19,337 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 114 [2021-03-26 00:20:19,339 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 55 transitions, 345 flow [2021-03-26 00:20:19,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:19,339 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:19,339 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:19,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 00:20:19,340 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:19,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:19,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1405663372, now seen corresponding path program 1 times [2021-03-26 00:20:19,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:19,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146630143] [2021-03-26 00:20:19,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:19,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:19,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:19,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:19,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:19,413 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 00:20:19,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:20:19,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:19,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:20:19,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:19,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146630143] [2021-03-26 00:20:19,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:19,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:20:19,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603651093] [2021-03-26 00:20:19,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:20:19,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:19,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:20:19,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:20:19,422 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 206 [2021-03-26 00:20:19,423 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 55 transitions, 345 flow. Second operand has 5 states, 5 states have (on average 171.8) internal successors, (859), 5 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:19,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:19,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 206 [2021-03-26 00:20:19,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:19,538 INFO L129 PetriNetUnfolder]: 227/509 cut-off events. [2021-03-26 00:20:19,538 INFO L130 PetriNetUnfolder]: For 1963/3315 co-relation queries the response was YES. [2021-03-26 00:20:19,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2080 conditions, 509 events. 227/509 cut-off events. For 1963/3315 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 3167 event pairs, 37 based on Foata normal form. 194/643 useless extension candidates. Maximal degree in co-relation 2055. Up to 321 conditions per place. [2021-03-26 00:20:19,544 INFO L132 encePairwiseOnDemand]: 199/206 looper letters, 12 selfloop transitions, 19 changer transitions 0/67 dead transitions. [2021-03-26 00:20:19,544 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 67 transitions, 474 flow [2021-03-26 00:20:19,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 00:20:19,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 00:20:19,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1228 transitions. [2021-03-26 00:20:19,548 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8515950069348127 [2021-03-26 00:20:19,548 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1228 transitions. [2021-03-26 00:20:19,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1228 transitions. [2021-03-26 00:20:19,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:19,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1228 transitions. [2021-03-26 00:20:19,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 175.42857142857142) internal successors, (1228), 7 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:19,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 206.0) internal successors, (1648), 8 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:19,554 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 206.0) internal successors, (1648), 8 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:19,554 INFO L185 Difference]: Start difference. First operand has 60 places, 55 transitions, 345 flow. Second operand 7 states and 1228 transitions. [2021-03-26 00:20:19,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 67 transitions, 474 flow [2021-03-26 00:20:19,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 67 transitions, 467 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-26 00:20:19,559 INFO L241 Difference]: Finished difference. Result has 68 places, 63 transitions, 471 flow [2021-03-26 00:20:19,559 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=471, PETRI_PLACES=68, PETRI_TRANSITIONS=63} [2021-03-26 00:20:19,559 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 8 predicate places. [2021-03-26 00:20:19,559 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:19,559 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 63 transitions, 471 flow [2021-03-26 00:20:19,560 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 63 transitions, 471 flow [2021-03-26 00:20:19,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 63 transitions, 471 flow [2021-03-26 00:20:19,620 INFO L129 PetriNetUnfolder]: 310/588 cut-off events. [2021-03-26 00:20:19,620 INFO L130 PetriNetUnfolder]: For 2581/3149 co-relation queries the response was YES. [2021-03-26 00:20:19,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2811 conditions, 588 events. 310/588 cut-off events. For 2581/3149 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 3360 event pairs, 49 based on Foata normal form. 18/538 useless extension candidates. Maximal degree in co-relation 2784. Up to 393 conditions per place. [2021-03-26 00:20:19,630 INFO L142 LiptonReduction]: Number of co-enabled transitions 1022 [2021-03-26 00:20:19,803 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-03-26 00:20:20,225 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2021-03-26 00:20:20,335 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-26 00:20:20,350 INFO L154 LiptonReduction]: Checked pairs total: 843 [2021-03-26 00:20:20,351 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:20:20,351 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 792 [2021-03-26 00:20:20,351 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 63 transitions, 473 flow [2021-03-26 00:20:20,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 171.8) internal successors, (859), 5 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:20,352 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:20,352 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:20,352 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 00:20:20,352 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:20,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:20,353 INFO L82 PathProgramCache]: Analyzing trace with hash -702964556, now seen corresponding path program 1 times [2021-03-26 00:20:20,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:20,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457507118] [2021-03-26 00:20:20,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:20,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:20,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:20:20,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:20,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:20,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:20,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457507118] [2021-03-26 00:20:20,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:20,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:20:20,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163299403] [2021-03-26 00:20:20,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:20:20,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:20,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:20:20,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:20:20,391 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 207 [2021-03-26 00:20:20,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 63 transitions, 473 flow. Second operand has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:20,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:20,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 207 [2021-03-26 00:20:20,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:20,492 INFO L129 PetriNetUnfolder]: 365/771 cut-off events. [2021-03-26 00:20:20,492 INFO L130 PetriNetUnfolder]: For 3763/5498 co-relation queries the response was YES. [2021-03-26 00:20:20,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3721 conditions, 771 events. 365/771 cut-off events. For 3763/5498 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 5244 event pairs, 61 based on Foata normal form. 46/720 useless extension candidates. Maximal degree in co-relation 3692. Up to 540 conditions per place. [2021-03-26 00:20:20,501 INFO L132 encePairwiseOnDemand]: 204/207 looper letters, 5 selfloop transitions, 6 changer transitions 0/63 dead transitions. [2021-03-26 00:20:20,501 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 63 transitions, 495 flow [2021-03-26 00:20:20,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:20:20,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:20:20,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 567 transitions. [2021-03-26 00:20:20,504 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9130434782608695 [2021-03-26 00:20:20,504 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 567 transitions. [2021-03-26 00:20:20,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 567 transitions. [2021-03-26 00:20:20,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:20,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 567 transitions. [2021-03-26 00:20:20,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:20,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:20,507 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:20,507 INFO L185 Difference]: Start difference. First operand has 68 places, 63 transitions, 473 flow. Second operand 3 states and 567 transitions. [2021-03-26 00:20:20,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 63 transitions, 495 flow [2021-03-26 00:20:20,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 63 transitions, 445 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-03-26 00:20:20,519 INFO L241 Difference]: Finished difference. Result has 68 places, 63 transitions, 443 flow [2021-03-26 00:20:20,519 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=423, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=443, PETRI_PLACES=68, PETRI_TRANSITIONS=63} [2021-03-26 00:20:20,519 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 8 predicate places. [2021-03-26 00:20:20,519 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:20,519 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 63 transitions, 443 flow [2021-03-26 00:20:20,520 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 63 transitions, 443 flow [2021-03-26 00:20:20,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 63 transitions, 443 flow [2021-03-26 00:20:20,599 INFO L129 PetriNetUnfolder]: 366/761 cut-off events. [2021-03-26 00:20:20,599 INFO L130 PetriNetUnfolder]: For 3359/3706 co-relation queries the response was YES. [2021-03-26 00:20:20,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3261 conditions, 761 events. 366/761 cut-off events. For 3359/3706 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 5110 event pairs, 63 based on Foata normal form. 18/684 useless extension candidates. Maximal degree in co-relation 3234. Up to 448 conditions per place. [2021-03-26 00:20:20,612 INFO L142 LiptonReduction]: Number of co-enabled transitions 1022 [2021-03-26 00:20:20,624 INFO L154 LiptonReduction]: Checked pairs total: 416 [2021-03-26 00:20:20,624 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:20:20,625 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 106 [2021-03-26 00:20:20,626 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 63 transitions, 443 flow [2021-03-26 00:20:20,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:20,627 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:20,627 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:20,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 00:20:20,627 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:20,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:20,627 INFO L82 PathProgramCache]: Analyzing trace with hash 406812684, now seen corresponding path program 1 times [2021-03-26 00:20:20,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:20,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935682670] [2021-03-26 00:20:20,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:20,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:20,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:20,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:20,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:20,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:20,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:20,697 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 00:20:20,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:20:20,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:20,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:20:20,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:20,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935682670] [2021-03-26 00:20:20,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:20,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 00:20:20,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086600728] [2021-03-26 00:20:20,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:20:20,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:20,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:20:20,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:20:20,707 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 207 [2021-03-26 00:20:20,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 63 transitions, 443 flow. Second operand has 6 states, 6 states have (on average 172.83333333333334) internal successors, (1037), 6 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:20,708 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:20,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 207 [2021-03-26 00:20:20,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:20,861 INFO L129 PetriNetUnfolder]: 275/614 cut-off events. [2021-03-26 00:20:20,861 INFO L130 PetriNetUnfolder]: For 3912/5868 co-relation queries the response was YES. [2021-03-26 00:20:20,865 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2965 conditions, 614 events. 275/614 cut-off events. For 3912/5868 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 4056 event pairs, 11 based on Foata normal form. 351/891 useless extension candidates. Maximal degree in co-relation 2936. Up to 369 conditions per place. [2021-03-26 00:20:20,868 INFO L132 encePairwiseOnDemand]: 200/207 looper letters, 6 selfloop transitions, 28 changer transitions 4/74 dead transitions. [2021-03-26 00:20:20,868 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 74 transitions, 619 flow [2021-03-26 00:20:20,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 00:20:20,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 00:20:20,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1588 transitions. [2021-03-26 00:20:20,872 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8523886205045625 [2021-03-26 00:20:20,872 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1588 transitions. [2021-03-26 00:20:20,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1588 transitions. [2021-03-26 00:20:20,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:20,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1588 transitions. [2021-03-26 00:20:20,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 176.44444444444446) internal successors, (1588), 9 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:20,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 207.0) internal successors, (2070), 10 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:20,881 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 207.0) internal successors, (2070), 10 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:20,881 INFO L185 Difference]: Start difference. First operand has 68 places, 63 transitions, 443 flow. Second operand 9 states and 1588 transitions. [2021-03-26 00:20:20,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 74 transitions, 619 flow [2021-03-26 00:20:20,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 74 transitions, 609 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-26 00:20:20,890 INFO L241 Difference]: Finished difference. Result has 78 places, 70 transitions, 585 flow [2021-03-26 00:20:20,891 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=585, PETRI_PLACES=78, PETRI_TRANSITIONS=70} [2021-03-26 00:20:20,891 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 18 predicate places. [2021-03-26 00:20:20,891 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:20,891 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 585 flow [2021-03-26 00:20:20,891 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 70 transitions, 585 flow [2021-03-26 00:20:20,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 585 flow [2021-03-26 00:20:20,953 INFO L129 PetriNetUnfolder]: 266/601 cut-off events. [2021-03-26 00:20:20,953 INFO L130 PetriNetUnfolder]: For 4272/5016 co-relation queries the response was YES. [2021-03-26 00:20:20,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3136 conditions, 601 events. 266/601 cut-off events. For 4272/5016 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 4170 event pairs, 8 based on Foata normal form. 7/528 useless extension candidates. Maximal degree in co-relation 3105. Up to 358 conditions per place. [2021-03-26 00:20:20,965 INFO L142 LiptonReduction]: Number of co-enabled transitions 1098 [2021-03-26 00:20:21,002 INFO L154 LiptonReduction]: Checked pairs total: 1015 [2021-03-26 00:20:21,002 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 00:20:21,002 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 111 [2021-03-26 00:20:21,003 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 67 transitions, 559 flow [2021-03-26 00:20:21,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 172.83333333333334) internal successors, (1037), 6 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:21,004 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:21,004 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:21,004 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 00:20:21,004 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:21,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:21,004 INFO L82 PathProgramCache]: Analyzing trace with hash -807349328, now seen corresponding path program 1 times [2021-03-26 00:20:21,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:21,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849143680] [2021-03-26 00:20:21,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:21,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:21,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:21,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:21,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:21,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:21,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:21,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:21,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:21,089 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 00:20:21,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:20:21,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:21,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:20:21,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:21,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849143680] [2021-03-26 00:20:21,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:21,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 00:20:21,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582057836] [2021-03-26 00:20:21,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 00:20:21,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:21,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 00:20:21,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 00:20:21,100 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 207 [2021-03-26 00:20:21,101 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 67 transitions, 559 flow. Second operand has 7 states, 7 states have (on average 172.85714285714286) internal successors, (1210), 7 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:21,101 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:21,101 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 207 [2021-03-26 00:20:21,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:21,197 INFO L129 PetriNetUnfolder]: 91/226 cut-off events. [2021-03-26 00:20:21,197 INFO L130 PetriNetUnfolder]: For 1675/2029 co-relation queries the response was YES. [2021-03-26 00:20:21,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1171 conditions, 226 events. 91/226 cut-off events. For 1675/2029 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1071 event pairs, 4 based on Foata normal form. 88/293 useless extension candidates. Maximal degree in co-relation 1138. Up to 139 conditions per place. [2021-03-26 00:20:21,200 INFO L132 encePairwiseOnDemand]: 200/207 looper letters, 2 selfloop transitions, 18 changer transitions 7/60 dead transitions. [2021-03-26 00:20:21,200 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 60 transitions, 531 flow [2021-03-26 00:20:21,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 00:20:21,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 00:20:21,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1402 transitions. [2021-03-26 00:20:21,232 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8466183574879227 [2021-03-26 00:20:21,232 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1402 transitions. [2021-03-26 00:20:21,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1402 transitions. [2021-03-26 00:20:21,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:21,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1402 transitions. [2021-03-26 00:20:21,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 175.25) internal successors, (1402), 8 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:21,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 207.0) internal successors, (1863), 9 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:21,239 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 207.0) internal successors, (1863), 9 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:21,239 INFO L185 Difference]: Start difference. First operand has 78 places, 67 transitions, 559 flow. Second operand 8 states and 1402 transitions. [2021-03-26 00:20:21,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 60 transitions, 531 flow [2021-03-26 00:20:21,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 60 transitions, 431 flow, removed 35 selfloop flow, removed 10 redundant places. [2021-03-26 00:20:21,247 INFO L241 Difference]: Finished difference. Result has 70 places, 53 transitions, 374 flow [2021-03-26 00:20:21,247 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=374, PETRI_PLACES=70, PETRI_TRANSITIONS=53} [2021-03-26 00:20:21,247 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 10 predicate places. [2021-03-26 00:20:21,248 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:21,248 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 53 transitions, 374 flow [2021-03-26 00:20:21,248 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 53 transitions, 374 flow [2021-03-26 00:20:21,248 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 53 transitions, 374 flow [2021-03-26 00:20:21,263 INFO L129 PetriNetUnfolder]: 44/123 cut-off events. [2021-03-26 00:20:21,263 INFO L130 PetriNetUnfolder]: For 283/312 co-relation queries the response was YES. [2021-03-26 00:20:21,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 497 conditions, 123 events. 44/123 cut-off events. For 283/312 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 475 event pairs, 0 based on Foata normal form. 2/114 useless extension candidates. Maximal degree in co-relation 471. Up to 46 conditions per place. [2021-03-26 00:20:21,265 INFO L142 LiptonReduction]: Number of co-enabled transitions 520 [2021-03-26 00:20:21,660 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-03-26 00:20:21,863 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-03-26 00:20:22,615 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 196 [2021-03-26 00:20:22,853 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-03-26 00:20:24,343 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 350 DAG size of output: 278 [2021-03-26 00:20:24,932 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-03-26 00:20:24,942 INFO L154 LiptonReduction]: Checked pairs total: 911 [2021-03-26 00:20:24,942 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 00:20:24,942 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3694 [2021-03-26 00:20:24,943 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 50 transitions, 358 flow [2021-03-26 00:20:24,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 172.85714285714286) internal successors, (1210), 7 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:24,944 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:24,944 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:24,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 00:20:24,944 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:24,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:24,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1705536258, now seen corresponding path program 1 times [2021-03-26 00:20:24,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:24,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063329357] [2021-03-26 00:20:24,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:24,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:24,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:20:24,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:24,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:24,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:24,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:24,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:24,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063329357] [2021-03-26 00:20:24,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:24,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:20:24,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643628227] [2021-03-26 00:20:24,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:20:24,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:24,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:20:24,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:20:24,994 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 209 [2021-03-26 00:20:24,995 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 50 transitions, 358 flow. Second operand has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:24,995 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:24,995 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 209 [2021-03-26 00:20:24,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:25,030 INFO L129 PetriNetUnfolder]: 87/206 cut-off events. [2021-03-26 00:20:25,030 INFO L130 PetriNetUnfolder]: For 1306/1461 co-relation queries the response was YES. [2021-03-26 00:20:25,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 206 events. 87/206 cut-off events. For 1306/1461 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 929 event pairs, 2 based on Foata normal form. 23/202 useless extension candidates. Maximal degree in co-relation 786. Up to 72 conditions per place. [2021-03-26 00:20:25,032 INFO L132 encePairwiseOnDemand]: 206/209 looper letters, 3 selfloop transitions, 1 changer transitions 1/51 dead transitions. [2021-03-26 00:20:25,032 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 51 transitions, 370 flow [2021-03-26 00:20:25,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:20:25,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:20:25,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 738 transitions. [2021-03-26 00:20:25,034 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8827751196172249 [2021-03-26 00:20:25,035 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 738 transitions. [2021-03-26 00:20:25,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 738 transitions. [2021-03-26 00:20:25,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:25,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 738 transitions. [2021-03-26 00:20:25,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 184.5) internal successors, (738), 4 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) [2021-03-26 00:20:25,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:25,038 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:25,038 INFO L185 Difference]: Start difference. First operand has 66 places, 50 transitions, 358 flow. Second operand 4 states and 738 transitions. [2021-03-26 00:20:25,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 51 transitions, 370 flow [2021-03-26 00:20:25,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 51 transitions, 296 flow, removed 19 selfloop flow, removed 9 redundant places. [2021-03-26 00:20:25,042 INFO L241 Difference]: Finished difference. Result has 62 places, 50 transitions, 291 flow [2021-03-26 00:20:25,042 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=291, PETRI_PLACES=62, PETRI_TRANSITIONS=50} [2021-03-26 00:20:25,042 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 2 predicate places. [2021-03-26 00:20:25,043 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:25,043 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 50 transitions, 291 flow [2021-03-26 00:20:25,043 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 50 transitions, 291 flow [2021-03-26 00:20:25,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 50 transitions, 291 flow [2021-03-26 00:20:25,057 INFO L129 PetriNetUnfolder]: 61/161 cut-off events. [2021-03-26 00:20:25,057 INFO L130 PetriNetUnfolder]: For 387/423 co-relation queries the response was YES. [2021-03-26 00:20:25,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 501 conditions, 161 events. 61/161 cut-off events. For 387/423 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 745 event pairs, 0 based on Foata normal form. 10/156 useless extension candidates. Maximal degree in co-relation 478. Up to 46 conditions per place. [2021-03-26 00:20:25,059 INFO L142 LiptonReduction]: Number of co-enabled transitions 456 [2021-03-26 00:20:25,146 INFO L154 LiptonReduction]: Checked pairs total: 380 [2021-03-26 00:20:25,146 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 00:20:25,146 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 103 [2021-03-26 00:20:25,147 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 49 transitions, 295 flow [2021-03-26 00:20:25,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:25,147 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:25,147 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:25,147 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 00:20:25,147 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:25,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:25,148 INFO L82 PathProgramCache]: Analyzing trace with hash -2050924175, now seen corresponding path program 1 times [2021-03-26 00:20:25,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:25,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232173691] [2021-03-26 00:20:25,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:25,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:25,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:20:25,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:25,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:25,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:25,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:25,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:25,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232173691] [2021-03-26 00:20:25,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:25,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:20:25,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761156771] [2021-03-26 00:20:25,186 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:20:25,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:25,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:20:25,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:20:25,187 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 212 [2021-03-26 00:20:25,188 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 49 transitions, 295 flow. Second operand has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:25,188 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:25,188 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 212 [2021-03-26 00:20:25,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:25,233 INFO L129 PetriNetUnfolder]: 104/262 cut-off events. [2021-03-26 00:20:25,233 INFO L130 PetriNetUnfolder]: For 1318/1454 co-relation queries the response was YES. [2021-03-26 00:20:25,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 821 conditions, 262 events. 104/262 cut-off events. For 1318/1454 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1333 event pairs, 3 based on Foata normal form. 41/278 useless extension candidates. Maximal degree in co-relation 796. Up to 76 conditions per place. [2021-03-26 00:20:25,235 INFO L132 encePairwiseOnDemand]: 209/212 looper letters, 3 selfloop transitions, 1 changer transitions 7/50 dead transitions. [2021-03-26 00:20:25,235 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 50 transitions, 307 flow [2021-03-26 00:20:25,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:20:25,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:20:25,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 754 transitions. [2021-03-26 00:20:25,237 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8891509433962265 [2021-03-26 00:20:25,237 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 754 transitions. [2021-03-26 00:20:25,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 754 transitions. [2021-03-26 00:20:25,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:25,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 754 transitions. [2021-03-26 00:20:25,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 188.5) internal successors, (754), 4 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:25,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:25,241 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:25,241 INFO L185 Difference]: Start difference. First operand has 60 places, 49 transitions, 295 flow. Second operand 4 states and 754 transitions. [2021-03-26 00:20:25,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 50 transitions, 307 flow [2021-03-26 00:20:25,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 50 transitions, 302 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 00:20:25,244 INFO L241 Difference]: Finished difference. Result has 63 places, 43 transitions, 256 flow [2021-03-26 00:20:25,244 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=256, PETRI_PLACES=63, PETRI_TRANSITIONS=43} [2021-03-26 00:20:25,245 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 3 predicate places. [2021-03-26 00:20:25,245 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:25,245 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 43 transitions, 256 flow [2021-03-26 00:20:25,245 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 43 transitions, 256 flow [2021-03-26 00:20:25,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 43 transitions, 256 flow [2021-03-26 00:20:25,256 INFO L129 PetriNetUnfolder]: 55/147 cut-off events. [2021-03-26 00:20:25,256 INFO L130 PetriNetUnfolder]: For 305/317 co-relation queries the response was YES. [2021-03-26 00:20:25,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 462 conditions, 147 events. 55/147 cut-off events. For 305/317 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 622 event pairs, 0 based on Foata normal form. 5/143 useless extension candidates. Maximal degree in co-relation 438. Up to 50 conditions per place. [2021-03-26 00:20:25,258 INFO L142 LiptonReduction]: Number of co-enabled transitions 260 [2021-03-26 00:20:25,292 INFO L154 LiptonReduction]: Checked pairs total: 60 [2021-03-26 00:20:25,293 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:20:25,293 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-03-26 00:20:25,293 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 42 transitions, 254 flow [2021-03-26 00:20:25,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:25,294 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:25,294 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:25,294 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 00:20:25,294 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:25,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:25,294 INFO L82 PathProgramCache]: Analyzing trace with hash 508017168, now seen corresponding path program 1 times [2021-03-26 00:20:25,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:25,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191553856] [2021-03-26 00:20:25,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:25,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:25,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:20:25,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:25,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:20:25,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:25,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 00:20:25,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:25,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 00:20:25,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:25,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191553856] [2021-03-26 00:20:25,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:25,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:20:25,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333919358] [2021-03-26 00:20:25,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:20:25,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:25,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:20:25,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:20:25,415 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 213 [2021-03-26 00:20:25,416 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 42 transitions, 254 flow. Second operand has 6 states, 6 states have (on average 167.0) internal successors, (1002), 6 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:25,416 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:25,416 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 213 [2021-03-26 00:20:25,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:25,468 INFO L129 PetriNetUnfolder]: 64/164 cut-off events. [2021-03-26 00:20:25,468 INFO L130 PetriNetUnfolder]: For 937/1032 co-relation queries the response was YES. [2021-03-26 00:20:25,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 164 events. 64/164 cut-off events. For 937/1032 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 670 event pairs, 0 based on Foata normal form. 22/172 useless extension candidates. Maximal degree in co-relation 514. Up to 54 conditions per place. [2021-03-26 00:20:25,470 INFO L132 encePairwiseOnDemand]: 208/213 looper letters, 7 selfloop transitions, 6 changer transitions 0/43 dead transitions. [2021-03-26 00:20:25,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 43 transitions, 286 flow [2021-03-26 00:20:25,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:20:25,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:20:25,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 839 transitions. [2021-03-26 00:20:25,472 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.787793427230047 [2021-03-26 00:20:25,473 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 839 transitions. [2021-03-26 00:20:25,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 839 transitions. [2021-03-26 00:20:25,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:25,473 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 839 transitions. [2021-03-26 00:20:25,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 167.8) internal successors, (839), 5 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:25,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:25,477 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:25,477 INFO L185 Difference]: Start difference. First operand has 59 places, 42 transitions, 254 flow. Second operand 5 states and 839 transitions. [2021-03-26 00:20:25,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 43 transitions, 286 flow [2021-03-26 00:20:25,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 43 transitions, 275 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-26 00:20:25,481 INFO L241 Difference]: Finished difference. Result has 60 places, 42 transitions, 263 flow [2021-03-26 00:20:25,481 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=263, PETRI_PLACES=60, PETRI_TRANSITIONS=42} [2021-03-26 00:20:25,481 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 0 predicate places. [2021-03-26 00:20:25,481 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:25,481 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 42 transitions, 263 flow [2021-03-26 00:20:25,481 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 42 transitions, 263 flow [2021-03-26 00:20:25,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 42 transitions, 263 flow [2021-03-26 00:20:25,494 INFO L129 PetriNetUnfolder]: 69/175 cut-off events. [2021-03-26 00:20:25,495 INFO L130 PetriNetUnfolder]: For 405/431 co-relation queries the response was YES. [2021-03-26 00:20:25,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 555 conditions, 175 events. 69/175 cut-off events. For 405/431 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 805 event pairs, 0 based on Foata normal form. 8/168 useless extension candidates. Maximal degree in co-relation 532. Up to 60 conditions per place. [2021-03-26 00:20:25,496 INFO L142 LiptonReduction]: Number of co-enabled transitions 200 [2021-03-26 00:20:25,498 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 00:20:25,498 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:20:25,498 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-26 00:20:25,501 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 42 transitions, 263 flow [2021-03-26 00:20:25,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 167.0) internal successors, (1002), 6 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:25,501 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:25,501 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:25,501 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 00:20:25,501 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:25,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:25,501 INFO L82 PathProgramCache]: Analyzing trace with hash 730200703, now seen corresponding path program 1 times [2021-03-26 00:20:25,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:25,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471458121] [2021-03-26 00:20:25,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:20:25,531 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:20:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:20:25,565 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:20:25,603 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 00:20:25,605 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 00:20:25,606 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 00:20:25,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 12:20:25 BasicIcfg [2021-03-26 00:20:25,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 00:20:25,708 INFO L168 Benchmark]: Toolchain (without parser) took 24310.85 ms. Allocated memory was 337.6 MB in the beginning and 704.6 MB in the end (delta: 367.0 MB). Free memory was 300.8 MB in the beginning and 294.6 MB in the end (delta: 6.2 MB). Peak memory consumption was 376.2 MB. Max. memory is 16.0 GB. [2021-03-26 00:20:25,708 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 337.6 MB. Free memory was 319.2 MB in the beginning and 319.1 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 00:20:25,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 501.46 ms. Allocated memory is still 337.6 MB. Free memory was 300.6 MB in the beginning and 296.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. [2021-03-26 00:20:25,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.45 ms. Allocated memory is still 337.6 MB. Free memory was 296.6 MB in the beginning and 293.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:20:25,714 INFO L168 Benchmark]: Boogie Preprocessor took 27.20 ms. Allocated memory is still 337.6 MB. Free memory was 293.5 MB in the beginning and 290.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-26 00:20:25,715 INFO L168 Benchmark]: RCFGBuilder took 1629.21 ms. Allocated memory is still 337.6 MB. Free memory was 290.3 MB in the beginning and 246.8 MB in the end (delta: 43.5 MB). Peak memory consumption was 144.2 MB. Max. memory is 16.0 GB. [2021-03-26 00:20:25,715 INFO L168 Benchmark]: TraceAbstraction took 22077.02 ms. Allocated memory was 337.6 MB in the beginning and 704.6 MB in the end (delta: 367.0 MB). Free memory was 246.8 MB in the beginning and 294.6 MB in the end (delta: -47.8 MB). Peak memory consumption was 319.2 MB. Max. memory is 16.0 GB. [2021-03-26 00:20:25,717 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 337.6 MB. Free memory was 319.2 MB in the beginning and 319.1 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 501.46 ms. Allocated memory is still 337.6 MB. Free memory was 300.6 MB in the beginning and 296.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 61.45 ms. Allocated memory is still 337.6 MB. Free memory was 296.6 MB in the beginning and 293.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.20 ms. Allocated memory is still 337.6 MB. Free memory was 293.5 MB in the beginning and 290.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1629.21 ms. Allocated memory is still 337.6 MB. Free memory was 290.3 MB in the beginning and 246.8 MB in the end (delta: 43.5 MB). Peak memory consumption was 144.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 22077.02 ms. Allocated memory was 337.6 MB in the beginning and 704.6 MB in the end (delta: 367.0 MB). Free memory was 246.8 MB in the beginning and 294.6 MB in the end (delta: -47.8 MB). Peak memory consumption was 319.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7726.9ms, 124 PlacesBefore, 60 PlacesAfterwards, 113 TransitionsBefore, 48 TransitionsAfterwards, 2598 CoEnabledTransitionPairs, 5 FixpointIterations, 28 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 74 TotalNumberOfCompositions, 4166 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2239, positive: 2147, positive conditional: 2147, positive unconditional: 0, negative: 92, negative conditional: 92, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1738, positive: 1696, positive conditional: 0, positive unconditional: 1696, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1738, positive: 1696, positive conditional: 0, positive unconditional: 1696, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1738, positive: 1686, positive conditional: 0, positive unconditional: 1686, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 52, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 643, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 614, negative conditional: 0, negative unconditional: 614, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2239, positive: 451, positive conditional: 451, positive unconditional: 0, negative: 50, negative conditional: 50, negative unconditional: 0, unknown: 1738, unknown conditional: 1738, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 86, Positive conditional cache size: 86, Positive unconditional cache size: 0, Negative cache size: 21, Negative conditional cache size: 21, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3351.0ms, 56 PlacesBefore, 40 PlacesAfterwards, 41 TransitionsBefore, 29 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 3 FixpointIterations, 10 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 1274 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 449, positive: 377, positive conditional: 377, positive unconditional: 0, negative: 72, negative conditional: 72, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 118, positive: 102, positive conditional: 13, positive unconditional: 89, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 118, positive: 102, positive conditional: 13, positive unconditional: 89, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 118, positive: 94, positive conditional: 0, positive unconditional: 94, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 325, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 254, negative conditional: 66, negative unconditional: 187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 449, positive: 275, positive conditional: 275, positive unconditional: 0, negative: 56, negative conditional: 56, negative unconditional: 0, unknown: 118, unknown conditional: 118, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 158, Positive cache size: 131, Positive conditional cache size: 131, Positive unconditional cache size: 0, Negative cache size: 27, Negative conditional cache size: 27, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1625.4ms, 41 PlacesBefore, 37 PlacesAfterwards, 28 TransitionsBefore, 25 TransitionsAfterwards, 304 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1047 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 411, positive: 345, positive conditional: 345, positive unconditional: 0, negative: 66, negative conditional: 66, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 21, positive conditional: 9, positive unconditional: 12, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 25, positive: 21, positive conditional: 9, positive unconditional: 12, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 25, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 72, negative conditional: 34, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 411, positive: 324, positive conditional: 324, positive unconditional: 0, negative: 62, negative conditional: 62, negative unconditional: 0, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 183, Positive cache size: 152, Positive conditional cache size: 152, Positive unconditional cache size: 0, Negative cache size: 31, Negative conditional cache size: 31, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 199.8ms, 42 PlacesBefore, 42 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 408 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 360 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 125, positive: 107, positive conditional: 107, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 46, positive conditional: 22, positive unconditional: 24, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 53, positive: 46, positive conditional: 22, positive unconditional: 24, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 53, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 171, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 171, negative conditional: 0, negative unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 125, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 236, Positive cache size: 198, Positive conditional cache size: 198, Positive unconditional cache size: 0, Negative cache size: 38, Negative conditional cache size: 38, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 53.5ms, 45 PlacesBefore, 45 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 436 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 425 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 149, positive: 128, positive conditional: 128, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 30, positive conditional: 22, positive unconditional: 8, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 32, positive: 30, positive conditional: 22, positive unconditional: 8, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 32, positive: 30, positive conditional: 0, positive unconditional: 30, 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: 35, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 149, positive: 98, positive conditional: 98, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 32, unknown conditional: 32, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 268, Positive cache size: 228, Positive conditional cache size: 228, Positive unconditional cache size: 0, Negative cache size: 40, Negative conditional cache size: 40, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 146.3ms, 48 PlacesBefore, 48 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 362 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 141, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38, positive: 34, positive conditional: 24, positive unconditional: 10, 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: 38, positive: 34, positive conditional: 24, positive unconditional: 10, 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: 38, positive: 34, positive conditional: 0, positive unconditional: 34, 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: 122, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 141, positive: 92, positive conditional: 92, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 306, Positive cache size: 262, Positive conditional cache size: 262, Positive unconditional cache size: 0, Negative cache size: 44, Negative conditional cache size: 44, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 100.5ms, 53 PlacesBefore, 53 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 516 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 332 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 115, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 18, positive conditional: 15, positive unconditional: 3, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21, positive: 18, positive conditional: 15, positive unconditional: 3, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 21, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 115, positive: 85, positive conditional: 85, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 280, Positive conditional cache size: 280, Positive unconditional cache size: 0, Negative cache size: 47, Negative conditional cache size: 47, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 105.0ms, 57 PlacesBefore, 57 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 550 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 426 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 152, positive: 137, positive conditional: 137, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 23, positive conditional: 18, 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: 25, positive: 23, positive conditional: 18, 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: 25, positive: 23, positive conditional: 0, positive unconditional: 23, 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: 50, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 152, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 352, Positive cache size: 303, Positive conditional cache size: 303, Positive unconditional cache size: 0, Negative cache size: 49, Negative conditional cache size: 49, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 113.7ms, 60 PlacesBefore, 60 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 816 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 316 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 64, positive: 56, positive conditional: 56, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 11, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 11, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 64, positive: 40, positive conditional: 40, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 368, Positive cache size: 319, Positive conditional cache size: 319, Positive unconditional cache size: 0, Negative cache size: 49, Negative conditional cache size: 49, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 791.0ms, 68 PlacesBefore, 68 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 1022 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 843 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 131, positive: 111, positive conditional: 111, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 25, positive conditional: 25, 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: 25, positive: 25, positive conditional: 25, 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: 25, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 131, positive: 86, positive conditional: 86, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 374, Positive cache size: 331, Positive conditional cache size: 331, Positive unconditional cache size: 0, Negative cache size: 43, Negative conditional cache size: 43, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 104.9ms, 68 PlacesBefore, 68 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 1022 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 416 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 59, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 13, 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: 13, positive: 13, positive conditional: 13, 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: 13, positive: 13, positive conditional: 0, positive unconditional: 13, 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: 59, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 387, Positive cache size: 344, Positive conditional cache size: 344, Positive unconditional cache size: 0, Negative cache size: 43, Negative conditional cache size: 43, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 111.1ms, 78 PlacesBefore, 78 PlacesAfterwards, 70 TransitionsBefore, 67 TransitionsAfterwards, 1098 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1015 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 284, positive: 262, positive conditional: 262, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 107, positive: 107, positive conditional: 105, 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: 107, positive: 107, positive conditional: 105, 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: 107, positive: 107, positive conditional: 0, positive unconditional: 107, 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: 284, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 107, unknown conditional: 107, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 399, Positive cache size: 360, Positive conditional cache size: 360, Positive unconditional cache size: 0, Negative cache size: 39, Negative conditional cache size: 39, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3694.2ms, 70 PlacesBefore, 66 PlacesAfterwards, 53 TransitionsBefore, 50 TransitionsAfterwards, 520 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 911 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 389, positive: 350, positive conditional: 350, positive unconditional: 0, negative: 39, negative conditional: 39, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51, positive: 51, positive conditional: 51, 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: 51, positive: 51, positive conditional: 51, 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: 51, positive: 51, positive conditional: 0, positive unconditional: 51, 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: 389, positive: 299, positive conditional: 299, positive unconditional: 0, negative: 39, negative conditional: 39, negative unconditional: 0, unknown: 51, unknown conditional: 51, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 337, Positive cache size: 326, Positive conditional cache size: 326, Positive unconditional cache size: 0, Negative cache size: 11, Negative conditional cache size: 11, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 102.9ms, 62 PlacesBefore, 60 PlacesAfterwards, 50 TransitionsBefore, 49 TransitionsAfterwards, 456 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 380 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 230, positive: 214, positive conditional: 214, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 28, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 28, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 230, positive: 175, positive conditional: 175, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 284, Positive cache size: 277, Positive conditional cache size: 277, Positive unconditional cache size: 0, Negative cache size: 7, Negative conditional cache size: 7, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.6ms, 63 PlacesBefore, 59 PlacesAfterwards, 43 TransitionsBefore, 42 TransitionsAfterwards, 260 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 60 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 56, positive: 55, positive conditional: 55, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 56, positive: 55, positive conditional: 37, positive unconditional: 18, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 56, positive: 55, positive conditional: 37, positive unconditional: 18, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 56, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 56, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 56, unknown conditional: 56, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 178, Positive cache size: 172, Positive conditional cache size: 172, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.4ms, 60 PlacesBefore, 60 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 200 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): 178, Positive cache size: 172, Positive conditional cache size: 172, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L720] 0 int b = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L726] 0 int y = 0; [L728] 0 int z = 0; [L729] 0 _Bool z$flush_delayed; [L730] 0 int z$mem_tmp; [L731] 0 _Bool z$r_buff0_thd0; [L732] 0 _Bool z$r_buff0_thd1; [L733] 0 _Bool z$r_buff0_thd2; [L734] 0 _Bool z$r_buff0_thd3; [L735] 0 _Bool z$r_buff0_thd4; [L736] 0 _Bool z$r_buff1_thd0; [L737] 0 _Bool z$r_buff1_thd1; [L738] 0 _Bool z$r_buff1_thd2; [L739] 0 _Bool z$r_buff1_thd3; [L740] 0 _Bool z$r_buff1_thd4; [L741] 0 _Bool z$read_delayed; [L742] 0 int *z$read_delayed_var; [L743] 0 int z$w_buff0; [L744] 0 _Bool z$w_buff0_used; [L745] 0 int z$w_buff1; [L746] 0 _Bool z$w_buff1_used; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L846] 0 pthread_t t1229; [L847] FCALL, FORK 0 pthread_create(&t1229, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L848] 0 pthread_t t1230; [L849] FCALL, FORK 0 pthread_create(&t1230, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 pthread_t t1231; [L851] FCALL, FORK 0 pthread_create(&t1231, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L852] 0 pthread_t t1232; [L853] FCALL, FORK 0 pthread_create(&t1232, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L802] 4 z$w_buff1 = z$w_buff0 [L803] 4 z$w_buff0 = 2 [L804] 4 z$w_buff1_used = z$w_buff0_used [L805] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L807] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L808] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L809] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L810] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L811] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L812] 4 z$r_buff0_thd4 = (_Bool)1 [L815] 4 a = 1 [L818] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L821] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L752] 1 b = 1 [L755] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L767] 2 x = 1 [L770] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L785] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L824] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L824] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L825] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L825] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L826] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L827] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L827] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L828] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L828] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L788] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L788] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L789] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L789] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L790] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L790] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L791] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L791] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L792] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L792] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 1 return 0; [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 2 return 0; [L831] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L833] 4 return 0; [L795] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 3 return 0; [L855] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L859] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L859] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L860] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L860] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L861] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L861] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L862] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L862] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L863] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L863] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L866] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L867] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L868] 0 z$flush_delayed = weak$$choice2 [L869] 0 z$mem_tmp = z [L870] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L870] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L871] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L871] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0) [L871] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L871] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L872] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L872] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1) [L872] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L872] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L873] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L873] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used) [L873] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L873] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L874] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L874] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L875] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0) [L875] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L875] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L876] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L876] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L878] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L878] 0 z = z$flush_delayed ? z$mem_tmp : z [L879] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 116 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 21844.8ms, OverallIterations: 16, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1632.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7833.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 58 SDtfs, 26 SDslu, 24 SDs, 0 SdLazy, 343 SolverSat, 112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 374.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 417.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=585occurred in iteration=11, InterpolantAutomatonStates: 74, 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: 50.9ms SsaConstructionTime, 493.0ms SatisfiabilityAnalysisTime, 952.8ms InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 1503 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...