/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix044_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 10:10:00,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:10:00,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:10:00,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:10:00,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:10:00,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:10:00,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:10:00,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:10:00,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:10:00,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:10:00,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:10:00,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:10:00,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:10:00,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:10:00,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:10:00,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:10:00,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:10:00,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:10:00,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:10:00,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:10:00,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:10:00,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:10:00,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:10:00,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:10:00,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-26 10:10:00,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-26 10:10:00,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-26 10:10:00,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-26 10:10:00,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-26 10:10:00,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-26 10:10:00,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 10:10:00,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 10:10:00,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 10:10:00,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 10:10:00,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 10:10:00,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 10:10:00,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 10:10:00,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 10:10:00,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:10:00,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:10:00,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:10:00,164 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 10:10:00,192 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:10:00,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:10:00,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:10:00,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:10:00,195 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:10:00,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:10:00,196 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:10:00,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:10:00,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:10:00,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:10:00,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:10:00,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:10:00,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:10:00,197 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:10:00,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:10:00,197 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:10:00,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:10:00,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:10:00,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:10:00,197 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:10:00,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:10:00,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:10:00,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:10:00,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:10:00,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:10:00,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:10:00,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:10:00,198 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:10:00,198 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:10:00,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:10:00,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:10:00,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:10:00,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:10:00,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:10:00,465 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:10:00,465 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:10:00,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix044_rmo.opt.i [2021-03-26 10:10:00,521 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb68e76c3/ed5b980703a34ea5a56f06a76e9f4749/FLAG2973889b4 [2021-03-26 10:10:00,950 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:10:00,950 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix044_rmo.opt.i [2021-03-26 10:10:00,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb68e76c3/ed5b980703a34ea5a56f06a76e9f4749/FLAG2973889b4 [2021-03-26 10:10:00,982 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb68e76c3/ed5b980703a34ea5a56f06a76e9f4749 [2021-03-26 10:10:00,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:10:00,985 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:10:00,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:10:00,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:10:00,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:10:00,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:10:00" (1/1) ... [2021-03-26 10:10:00,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb68e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:10:00, skipping insertion in model container [2021-03-26 10:10:00,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:10:00" (1/1) ... [2021-03-26 10:10:00,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:10:01,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:10:01,187 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/mix044_rmo.opt.i[948,961] [2021-03-26 10:10:01,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:10:01,363 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:10:01,372 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/mix044_rmo.opt.i[948,961] [2021-03-26 10:10:01,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:10:01,463 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:10:01,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:10:01 WrapperNode [2021-03-26 10:10:01,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:10:01,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:10:01,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:10:01,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:10:01,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:10:01" (1/1) ... [2021-03-26 10:10:01,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:10:01" (1/1) ... [2021-03-26 10:10:01,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:10:01,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:10:01,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:10:01,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:10:01,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:10:01" (1/1) ... [2021-03-26 10:10:01,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:10:01" (1/1) ... [2021-03-26 10:10:01,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:10:01" (1/1) ... [2021-03-26 10:10:01,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:10:01" (1/1) ... [2021-03-26 10:10:01,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:10:01" (1/1) ... [2021-03-26 10:10:01,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:10:01" (1/1) ... [2021-03-26 10:10:01,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:10:01" (1/1) ... [2021-03-26 10:10:01,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:10:01,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:10:01,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:10:01,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:10:01,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:10:01" (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 10:10:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:10:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:10:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:10:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:10:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 10:10:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 10:10:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 10:10:01,650 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 10:10:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 10:10:01,650 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 10:10:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-26 10:10:01,650 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-26 10:10:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:10:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:10:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:10:01,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:10:01,654 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 10:10:02,966 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:10:02,966 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 10:10:02,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:10:02 BoogieIcfgContainer [2021-03-26 10:10:02,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:10:02,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:10:02,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:10:02,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:10:02,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:10:00" (1/3) ... [2021-03-26 10:10:02,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3842cf34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:10:02, skipping insertion in model container [2021-03-26 10:10:02,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:10:01" (2/3) ... [2021-03-26 10:10:02,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3842cf34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:10:02, skipping insertion in model container [2021-03-26 10:10:02,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:10:02" (3/3) ... [2021-03-26 10:10:02,971 INFO L111 eAbstractionObserver]: Analyzing ICFG mix044_rmo.opt.i [2021-03-26 10:10:02,976 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:10:02,978 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 10:10:02,979 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:10:03,002 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,002 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,002 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,002 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,002 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,002 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,002 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,002 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,003 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,003 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,003 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,003 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,003 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,003 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,004 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,004 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,004 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,004 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,004 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,004 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,004 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,004 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,004 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,005 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,005 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,005 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,005 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,005 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,005 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,005 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,006 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,006 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,006 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,006 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,006 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,006 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,006 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,006 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,006 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,007 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,007 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,007 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,007 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,007 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,007 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,007 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,009 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,009 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,009 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,009 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,009 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,009 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,009 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,009 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,009 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,010 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,010 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,010 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,010 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,010 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,010 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,010 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,011 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,011 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,011 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,011 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,011 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,011 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,011 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,012 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,012 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,012 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,012 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,012 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,012 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,012 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,013 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,013 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,013 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,013 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,015 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,015 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,015 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,015 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,017 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,017 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,018 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,018 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,019 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,019 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,019 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,020 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,020 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,020 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,020 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,020 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,020 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,020 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,020 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,021 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,021 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,021 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,021 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:10:03,021 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:10:03,033 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-26 10:10:03,046 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:10:03,046 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:10:03,046 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:10:03,047 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:10:03,047 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:10:03,047 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:10:03,047 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:10:03,047 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:10:03,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 254 flow [2021-03-26 10:10:03,088 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-03-26 10:10:03,088 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:10:03,091 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 10:10:03,092 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 117 transitions, 254 flow [2021-03-26 10:10:03,096 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 113 transitions, 238 flow [2021-03-26 10:10:03,097 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:10:03,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 113 transitions, 238 flow [2021-03-26 10:10:03,110 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 113 transitions, 238 flow [2021-03-26 10:10:03,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 238 flow [2021-03-26 10:10:03,140 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-03-26 10:10:03,141 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:10:03,142 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 10:10:03,145 INFO L142 LiptonReduction]: Number of co-enabled transitions 2598 [2021-03-26 10:10:04,465 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 10:10:04,864 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-26 10:10:04,992 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-26 10:10:05,528 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-03-26 10:10:05,774 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-26 10:10:07,014 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-03-26 10:10:07,647 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-26 10:10:09,140 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2021-03-26 10:10:09,444 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-26 10:10:10,559 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 269 DAG size of output: 268 [2021-03-26 10:10:11,107 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-26 10:10:11,264 INFO L154 LiptonReduction]: Checked pairs total: 4166 [2021-03-26 10:10:11,264 INFO L156 LiptonReduction]: Total number of compositions: 74 [2021-03-26 10:10:11,265 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8168 [2021-03-26 10:10:11,272 INFO L129 PetriNetUnfolder]: 0/32 cut-off events. [2021-03-26 10:10:11,272 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:10:11,272 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:10:11,273 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 10:10:11,273 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 10:10:11,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:10:11,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1459371111, now seen corresponding path program 1 times [2021-03-26 10:10:11,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:10:11,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836220646] [2021-03-26 10:10:11,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:10:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:10:11,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:11,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:10:11,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:11,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:10:11,509 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 10:10:11,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836220646] [2021-03-26 10:10:11,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:10:11,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:10:11,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533358474] [2021-03-26 10:10:11,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:10:11,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:10:11,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:10:11,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:10:11,523 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 191 [2021-03-26 10:10:11,541 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 10:10:11,542 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:10:11,542 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 191 [2021-03-26 10:10:11,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:10:11,610 INFO L129 PetriNetUnfolder]: 23/111 cut-off events. [2021-03-26 10:10:11,610 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:10:11,611 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 10:10:11,612 INFO L132 encePairwiseOnDemand]: 187/191 looper letters, 7 selfloop transitions, 2 changer transitions 5/49 dead transitions. [2021-03-26 10:10:11,612 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 49 transitions, 132 flow [2021-03-26 10:10:11,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:10:11,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:10:11,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 524 transitions. [2021-03-26 10:10:11,628 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9144851657940664 [2021-03-26 10:10:11,628 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 524 transitions. [2021-03-26 10:10:11,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 524 transitions. [2021-03-26 10:10:11,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:10:11,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 524 transitions. [2021-03-26 10:10:11,637 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 10:10:11,643 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 10:10:11,644 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 10:10:11,645 INFO L185 Difference]: Start difference. First operand has 60 places, 48 transitions, 108 flow. Second operand 3 states and 524 transitions. [2021-03-26 10:10:11,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 49 transitions, 132 flow [2021-03-26 10:10:11,647 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 10:10:11,649 INFO L241 Difference]: Finished difference. Result has 56 places, 41 transitions, 94 flow [2021-03-26 10:10:11,650 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 10:10:11,650 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -4 predicate places. [2021-03-26 10:10:11,651 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:10:11,651 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 41 transitions, 94 flow [2021-03-26 10:10:11,652 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 41 transitions, 94 flow [2021-03-26 10:10:11,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 41 transitions, 94 flow [2021-03-26 10:10:11,664 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-03-26 10:10:11,664 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:10:11,664 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 10:10:11,665 INFO L142 LiptonReduction]: Number of co-enabled transitions 392 [2021-03-26 10:10:11,973 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-03-26 10:10:12,255 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-03-26 10:10:13,458 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 270 DAG size of output: 269 [2021-03-26 10:10:14,058 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-03-26 10:10:15,093 INFO L154 LiptonReduction]: Checked pairs total: 1274 [2021-03-26 10:10:15,094 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-26 10:10:15,094 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3444 [2021-03-26 10:10:15,095 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 70 flow [2021-03-26 10:10:15,095 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 10:10:15,095 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:10:15,095 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 10:10:15,095 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:10:15,095 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 10:10:15,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:10:15,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1826671133, now seen corresponding path program 1 times [2021-03-26 10:10:15,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:10:15,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648151161] [2021-03-26 10:10:15,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:10:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:10:15,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:15,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:10:15,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:15,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:10:15,165 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 10:10:15,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:10:15,169 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 10:10:15,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648151161] [2021-03-26 10:10:15,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:10:15,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:10:15,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274016903] [2021-03-26 10:10:15,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:10:15,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:10:15,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:10:15,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:10:15,171 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 203 [2021-03-26 10:10:15,172 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 180.75) internal successors, (723), 4 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:15,172 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:10:15,172 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 203 [2021-03-26 10:10:15,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:10:15,186 INFO L129 PetriNetUnfolder]: 3/39 cut-off events. [2021-03-26 10:10:15,187 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:10:15,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 39 events. 3/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 73 event pairs, 1 based on Foata normal form. 1/37 useless extension candidates. Maximal degree in co-relation 50. Up to 10 conditions per place. [2021-03-26 10:10:15,187 INFO L132 encePairwiseOnDemand]: 199/203 looper letters, 3 selfloop transitions, 3 changer transitions 0/31 dead transitions. [2021-03-26 10:10:15,187 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 31 transitions, 86 flow [2021-03-26 10:10:15,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:10:15,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:10:15,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 547 transitions. [2021-03-26 10:10:15,189 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8981937602627258 [2021-03-26 10:10:15,189 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 547 transitions. [2021-03-26 10:10:15,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 547 transitions. [2021-03-26 10:10:15,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:10:15,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 547 transitions. [2021-03-26 10:10:15,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 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 10:10:15,192 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 10:10:15,192 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 10:10:15,192 INFO L185 Difference]: Start difference. First operand has 40 places, 29 transitions, 70 flow. Second operand 3 states and 547 transitions. [2021-03-26 10:10:15,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 31 transitions, 86 flow [2021-03-26 10:10:15,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 31 transitions, 82 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:10:15,193 INFO L241 Difference]: Finished difference. Result has 41 places, 31 transitions, 85 flow [2021-03-26 10:10:15,193 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=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=85, PETRI_PLACES=41, PETRI_TRANSITIONS=31} [2021-03-26 10:10:15,194 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -19 predicate places. [2021-03-26 10:10:15,194 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:10:15,194 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 31 transitions, 85 flow [2021-03-26 10:10:15,194 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 31 transitions, 85 flow [2021-03-26 10:10:15,194 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 31 transitions, 85 flow [2021-03-26 10:10:15,198 INFO L129 PetriNetUnfolder]: 3/37 cut-off events. [2021-03-26 10:10:15,198 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:10:15,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 37 events. 3/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 71 event pairs, 1 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 49. Up to 10 conditions per place. [2021-03-26 10:10:15,199 INFO L142 LiptonReduction]: Number of co-enabled transitions 388 [2021-03-26 10:10:16,048 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-26 10:10:16,209 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-26 10:10:16,521 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-26 10:10:16,664 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-26 10:10:16,668 INFO L154 LiptonReduction]: Checked pairs total: 1047 [2021-03-26 10:10:16,668 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 10:10:16,669 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1475 [2021-03-26 10:10:16,674 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 28 transitions, 79 flow [2021-03-26 10:10:16,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 180.75) internal successors, (723), 4 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:16,674 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:10:16,674 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:10:16,674 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:10:16,675 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 10:10:16,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:10:16,675 INFO L82 PathProgramCache]: Analyzing trace with hash 2131944862, now seen corresponding path program 1 times [2021-03-26 10:10:16,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:10:16,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352221735] [2021-03-26 10:10:16,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:10:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:10:16,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:16,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:10:16,774 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 10:10:16,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352221735] [2021-03-26 10:10:16,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:10:16,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 10:10:16,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815803547] [2021-03-26 10:10:16,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:10:16,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:10:16,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:10:16,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:10:16,776 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 206 [2021-03-26 10:10:16,777 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 28 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:16,777 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:10:16,777 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 206 [2021-03-26 10:10:16,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:10:16,792 INFO L129 PetriNetUnfolder]: 3/36 cut-off events. [2021-03-26 10:10:16,792 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-26 10:10:16,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 36 events. 3/36 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 73 event pairs, 1 based on Foata normal form. 1/34 useless extension candidates. Maximal degree in co-relation 55. Up to 10 conditions per place. [2021-03-26 10:10:16,793 INFO L132 encePairwiseOnDemand]: 203/206 looper letters, 1 selfloop transitions, 2 changer transitions 0/28 dead transitions. [2021-03-26 10:10:16,793 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 28 transitions, 85 flow [2021-03-26 10:10:16,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:10:16,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:10:16,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 556 transitions. [2021-03-26 10:10:16,795 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8996763754045307 [2021-03-26 10:10:16,795 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 556 transitions. [2021-03-26 10:10:16,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 556 transitions. [2021-03-26 10:10:16,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:10:16,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 556 transitions. [2021-03-26 10:10:16,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:16,797 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 10:10:16,798 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 10:10:16,798 INFO L185 Difference]: Start difference. First operand has 38 places, 28 transitions, 79 flow. Second operand 3 states and 556 transitions. [2021-03-26 10:10:16,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 28 transitions, 85 flow [2021-03-26 10:10:16,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 28 transitions, 82 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:10:16,799 INFO L241 Difference]: Finished difference. Result has 40 places, 28 transitions, 84 flow [2021-03-26 10:10:16,799 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=40, PETRI_TRANSITIONS=28} [2021-03-26 10:10:16,799 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -20 predicate places. [2021-03-26 10:10:16,799 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:10:16,799 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 28 transitions, 84 flow [2021-03-26 10:10:16,799 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 28 transitions, 84 flow [2021-03-26 10:10:16,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 28 transitions, 84 flow [2021-03-26 10:10:16,803 INFO L129 PetriNetUnfolder]: 3/34 cut-off events. [2021-03-26 10:10:16,804 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 10:10:16,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 34 events. 3/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 72 event pairs, 1 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 52. Up to 10 conditions per place. [2021-03-26 10:10:16,804 INFO L142 LiptonReduction]: Number of co-enabled transitions 386 [2021-03-26 10:10:16,806 INFO L154 LiptonReduction]: Checked pairs total: 333 [2021-03-26 10:10:16,806 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:10:16,806 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-03-26 10:10:16,807 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 28 transitions, 84 flow [2021-03-26 10:10:16,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:16,808 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:10:16,808 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:10:16,808 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:10:16,808 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 10:10:16,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:10:16,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1719635881, now seen corresponding path program 1 times [2021-03-26 10:10:16,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:10:16,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851511062] [2021-03-26 10:10:16,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:10:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:10:16,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:16,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:10:16,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:16,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:10:16,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:16,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:10:16,896 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 10:10:16,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851511062] [2021-03-26 10:10:16,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:10:16,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:10:16,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361306345] [2021-03-26 10:10:16,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:10:16,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:10:16,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:10:16,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:10:16,898 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 206 [2021-03-26 10:10:16,899 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 28 transitions, 84 flow. Second operand has 5 states, 5 states have (on average 162.8) internal successors, (814), 5 states have internal predecessors, (814), 0 states have call successors, (0), 0 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 10:10:16,899 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:10:16,899 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 206 [2021-03-26 10:10:16,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:10:16,964 INFO L129 PetriNetUnfolder]: 37/112 cut-off events. [2021-03-26 10:10:16,965 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2021-03-26 10:10:16,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 112 events. 37/112 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 377 event pairs, 22 based on Foata normal form. 1/102 useless extension candidates. Maximal degree in co-relation 230. Up to 55 conditions per place. [2021-03-26 10:10:16,966 INFO L132 encePairwiseOnDemand]: 201/206 looper letters, 8 selfloop transitions, 5 changer transitions 0/34 dead transitions. [2021-03-26 10:10:16,967 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 34 transitions, 125 flow [2021-03-26 10:10:16,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:10:16,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:10:16,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 662 transitions. [2021-03-26 10:10:16,969 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8033980582524272 [2021-03-26 10:10:16,969 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 662 transitions. [2021-03-26 10:10:16,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 662 transitions. [2021-03-26 10:10:16,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:10:16,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 662 transitions. [2021-03-26 10:10:16,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 165.5) internal successors, (662), 4 states have internal predecessors, (662), 0 states have call successors, (0), 0 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 10:10:16,972 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 10:10:16,972 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 10:10:16,973 INFO L185 Difference]: Start difference. First operand has 40 places, 28 transitions, 84 flow. Second operand 4 states and 662 transitions. [2021-03-26 10:10:16,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 34 transitions, 125 flow [2021-03-26 10:10:16,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 34 transitions, 119 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:10:16,974 INFO L241 Difference]: Finished difference. Result has 43 places, 32 transitions, 113 flow [2021-03-26 10:10:16,974 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=113, PETRI_PLACES=43, PETRI_TRANSITIONS=32} [2021-03-26 10:10:16,974 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -17 predicate places. [2021-03-26 10:10:16,974 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:10:16,974 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 32 transitions, 113 flow [2021-03-26 10:10:16,975 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 32 transitions, 113 flow [2021-03-26 10:10:16,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 32 transitions, 113 flow [2021-03-26 10:10:16,981 INFO L129 PetriNetUnfolder]: 11/54 cut-off events. [2021-03-26 10:10:16,981 INFO L130 PetriNetUnfolder]: For 34/37 co-relation queries the response was YES. [2021-03-26 10:10:16,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 54 events. 11/54 cut-off events. For 34/37 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 151 event pairs, 5 based on Foata normal form. 1/48 useless extension candidates. Maximal degree in co-relation 110. Up to 20 conditions per place. [2021-03-26 10:10:16,982 INFO L142 LiptonReduction]: Number of co-enabled transitions 468 [2021-03-26 10:10:17,009 INFO L154 LiptonReduction]: Checked pairs total: 349 [2021-03-26 10:10:17,010 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:10:17,010 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-03-26 10:10:17,010 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 32 transitions, 113 flow [2021-03-26 10:10:17,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 162.8) internal successors, (814), 5 states have internal predecessors, (814), 0 states have call successors, (0), 0 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 10:10:17,011 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:10:17,011 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:10:17,011 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:10:17,011 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 10:10:17,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:10:17,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1193190939, now seen corresponding path program 1 times [2021-03-26 10:10:17,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:10:17,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583906364] [2021-03-26 10:10:17,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:10:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:10:17,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:17,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:10:17,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:17,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:10:17,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:17,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:10:17,140 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-03-26 10:10:17,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 10:10:17,157 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 10:10:17,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583906364] [2021-03-26 10:10:17,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:10:17,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:10:17,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674703188] [2021-03-26 10:10:17,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:10:17,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:10:17,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:10:17,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:10:17,160 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 206 [2021-03-26 10:10:17,161 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 32 transitions, 113 flow. Second operand has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 0 states have call successors, (0), 0 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 10:10:17,162 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:10:17,162 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 206 [2021-03-26 10:10:17,162 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:10:17,241 INFO L129 PetriNetUnfolder]: 40/118 cut-off events. [2021-03-26 10:10:17,241 INFO L130 PetriNetUnfolder]: For 73/73 co-relation queries the response was YES. [2021-03-26 10:10:17,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 298 conditions, 118 events. 40/118 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 412 event pairs, 7 based on Foata normal form. 1/108 useless extension candidates. Maximal degree in co-relation 284. Up to 54 conditions per place. [2021-03-26 10:10:17,243 INFO L132 encePairwiseOnDemand]: 200/206 looper letters, 10 selfloop transitions, 8 changer transitions 0/39 dead transitions. [2021-03-26 10:10:17,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 39 transitions, 168 flow [2021-03-26 10:10:17,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:10:17,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:10:17,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 826 transitions. [2021-03-26 10:10:17,245 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8019417475728156 [2021-03-26 10:10:17,245 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 826 transitions. [2021-03-26 10:10:17,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 826 transitions. [2021-03-26 10:10:17,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:10:17,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 826 transitions. [2021-03-26 10:10:17,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 165.2) internal successors, (826), 5 states have internal predecessors, (826), 0 states have call successors, (0), 0 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 10:10:17,248 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 10:10:17,249 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 10:10:17,249 INFO L185 Difference]: Start difference. First operand has 43 places, 32 transitions, 113 flow. Second operand 5 states and 826 transitions. [2021-03-26 10:10:17,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 39 transitions, 168 flow [2021-03-26 10:10:17,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 39 transitions, 168 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 10:10:17,251 INFO L241 Difference]: Finished difference. Result has 48 places, 36 transitions, 151 flow [2021-03-26 10:10:17,251 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=151, PETRI_PLACES=48, PETRI_TRANSITIONS=36} [2021-03-26 10:10:17,251 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -12 predicate places. [2021-03-26 10:10:17,251 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:10:17,251 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 36 transitions, 151 flow [2021-03-26 10:10:17,251 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 36 transitions, 151 flow [2021-03-26 10:10:17,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 36 transitions, 151 flow [2021-03-26 10:10:17,257 INFO L129 PetriNetUnfolder]: 9/56 cut-off events. [2021-03-26 10:10:17,257 INFO L130 PetriNetUnfolder]: For 58/62 co-relation queries the response was YES. [2021-03-26 10:10:17,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 56 events. 9/56 cut-off events. For 58/62 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 164 event pairs, 2 based on Foata normal form. 2/53 useless extension candidates. Maximal degree in co-relation 124. Up to 15 conditions per place. [2021-03-26 10:10:17,258 INFO L142 LiptonReduction]: Number of co-enabled transitions 556 [2021-03-26 10:10:17,407 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-03-26 10:10:17,814 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 83 [2021-03-26 10:10:17,928 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-03-26 10:10:17,936 INFO L154 LiptonReduction]: Checked pairs total: 885 [2021-03-26 10:10:17,936 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:10:17,936 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 685 [2021-03-26 10:10:17,936 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 36 transitions, 154 flow [2021-03-26 10:10:17,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 0 states have call successors, (0), 0 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 10:10:17,937 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:10:17,937 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:10:17,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:10:17,937 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 10:10:17,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:10:17,938 INFO L82 PathProgramCache]: Analyzing trace with hash 565111697, now seen corresponding path program 2 times [2021-03-26 10:10:17,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:10:17,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121540690] [2021-03-26 10:10:17,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:10:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:10:17,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:17,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:10:17,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:17,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 10:10:17,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:17,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 10:10:18,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:18,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 10:10:18,019 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 10:10:18,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121540690] [2021-03-26 10:10:18,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:10:18,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:10:18,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483492055] [2021-03-26 10:10:18,020 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:10:18,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:10:18,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:10:18,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:10:18,021 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 207 [2021-03-26 10:10:18,022 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 36 transitions, 154 flow. Second operand has 5 states, 5 states have (on average 168.0) internal successors, (840), 5 states have internal predecessors, (840), 0 states have call successors, (0), 0 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 10:10:18,022 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:10:18,022 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 207 [2021-03-26 10:10:18,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:10:18,071 INFO L129 PetriNetUnfolder]: 42/125 cut-off events. [2021-03-26 10:10:18,071 INFO L130 PetriNetUnfolder]: For 166/166 co-relation queries the response was YES. [2021-03-26 10:10:18,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 125 events. 42/125 cut-off events. For 166/166 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 466 event pairs, 9 based on Foata normal form. 2/112 useless extension candidates. Maximal degree in co-relation 358. Up to 57 conditions per place. [2021-03-26 10:10:18,073 INFO L132 encePairwiseOnDemand]: 200/207 looper letters, 10 selfloop transitions, 9 changer transitions 0/40 dead transitions. [2021-03-26 10:10:18,073 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 40 transitions, 206 flow [2021-03-26 10:10:18,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:10:18,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:10:18,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 849 transitions. [2021-03-26 10:10:18,075 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8202898550724638 [2021-03-26 10:10:18,075 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 849 transitions. [2021-03-26 10:10:18,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 849 transitions. [2021-03-26 10:10:18,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:10:18,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 849 transitions. [2021-03-26 10:10:18,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 169.8) internal successors, (849), 5 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:18,078 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:18,079 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:18,079 INFO L185 Difference]: Start difference. First operand has 48 places, 36 transitions, 154 flow. Second operand 5 states and 849 transitions. [2021-03-26 10:10:18,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 40 transitions, 206 flow [2021-03-26 10:10:18,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 40 transitions, 200 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-03-26 10:10:18,080 INFO L241 Difference]: Finished difference. Result has 53 places, 39 transitions, 191 flow [2021-03-26 10:10:18,081 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=191, PETRI_PLACES=53, PETRI_TRANSITIONS=39} [2021-03-26 10:10:18,081 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -7 predicate places. [2021-03-26 10:10:18,081 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:10:18,081 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 39 transitions, 191 flow [2021-03-26 10:10:18,081 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 39 transitions, 191 flow [2021-03-26 10:10:18,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 39 transitions, 191 flow [2021-03-26 10:10:18,092 INFO L129 PetriNetUnfolder]: 36/104 cut-off events. [2021-03-26 10:10:18,092 INFO L130 PetriNetUnfolder]: For 199/213 co-relation queries the response was YES. [2021-03-26 10:10:18,093 INFO L84 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 104 events. 36/104 cut-off events. For 199/213 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 365 event pairs, 9 based on Foata normal form. 5/94 useless extension candidates. Maximal degree in co-relation 320. Up to 48 conditions per place. [2021-03-26 10:10:18,094 INFO L142 LiptonReduction]: Number of co-enabled transitions 606 [2021-03-26 10:10:18,097 INFO L154 LiptonReduction]: Checked pairs total: 397 [2021-03-26 10:10:18,097 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:10:18,097 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-03-26 10:10:18,098 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 39 transitions, 191 flow [2021-03-26 10:10:18,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 168.0) internal successors, (840), 5 states have internal predecessors, (840), 0 states have call successors, (0), 0 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 10:10:18,098 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:10:18,098 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:10:18,098 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:10:18,098 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 10:10:18,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:10:18,099 INFO L82 PathProgramCache]: Analyzing trace with hash 944360969, now seen corresponding path program 1 times [2021-03-26 10:10:18,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:10:18,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114781200] [2021-03-26 10:10:18,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:10:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:10:18,207 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-26 10:10:18,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 10:10:18,233 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-26 10:10:18,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 10:10:18,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:18,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:10:18,246 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-03-26 10:10:18,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 10:10:18,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:10:18,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114781200] [2021-03-26 10:10:18,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:10:18,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:10:18,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074773901] [2021-03-26 10:10:18,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:10:18,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:10:18,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:10:18,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:10:18,264 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 207 [2021-03-26 10:10:18,264 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 39 transitions, 191 flow. Second operand has 5 states, 5 states have (on average 161.0) internal successors, (805), 5 states have internal predecessors, (805), 0 states have call successors, (0), 0 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 10:10:18,265 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:10:18,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 207 [2021-03-26 10:10:18,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:10:18,338 INFO L129 PetriNetUnfolder]: 44/135 cut-off events. [2021-03-26 10:10:18,338 INFO L130 PetriNetUnfolder]: For 260/260 co-relation queries the response was YES. [2021-03-26 10:10:18,339 INFO L84 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 135 events. 44/135 cut-off events. For 260/260 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 529 event pairs, 5 based on Foata normal form. 1/124 useless extension candidates. Maximal degree in co-relation 457. Up to 65 conditions per place. [2021-03-26 10:10:18,340 INFO L132 encePairwiseOnDemand]: 199/207 looper letters, 14 selfloop transitions, 12 changer transitions 0/47 dead transitions. [2021-03-26 10:10:18,340 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 47 transitions, 290 flow [2021-03-26 10:10:18,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:10:18,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:10:18,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 816 transitions. [2021-03-26 10:10:18,342 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7884057971014493 [2021-03-26 10:10:18,342 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 816 transitions. [2021-03-26 10:10:18,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 816 transitions. [2021-03-26 10:10:18,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:10:18,342 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 816 transitions. [2021-03-26 10:10:18,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 163.2) internal successors, (816), 5 states have internal predecessors, (816), 0 states have call successors, (0), 0 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 10:10:18,345 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:18,345 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:18,345 INFO L185 Difference]: Start difference. First operand has 53 places, 39 transitions, 191 flow. Second operand 5 states and 816 transitions. [2021-03-26 10:10:18,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 47 transitions, 290 flow [2021-03-26 10:10:18,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 47 transitions, 277 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-26 10:10:18,350 INFO L241 Difference]: Finished difference. Result has 57 places, 45 transitions, 261 flow [2021-03-26 10:10:18,350 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=261, PETRI_PLACES=57, PETRI_TRANSITIONS=45} [2021-03-26 10:10:18,350 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2021-03-26 10:10:18,350 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:10:18,350 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 45 transitions, 261 flow [2021-03-26 10:10:18,350 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 45 transitions, 261 flow [2021-03-26 10:10:18,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 45 transitions, 261 flow [2021-03-26 10:10:18,364 INFO L129 PetriNetUnfolder]: 41/122 cut-off events. [2021-03-26 10:10:18,364 INFO L130 PetriNetUnfolder]: For 291/298 co-relation queries the response was YES. [2021-03-26 10:10:18,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 122 events. 41/122 cut-off events. For 291/298 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 492 event pairs, 8 based on Foata normal form. 2/111 useless extension candidates. Maximal degree in co-relation 407. Up to 49 conditions per place. [2021-03-26 10:10:18,366 INFO L142 LiptonReduction]: Number of co-enabled transitions 706 [2021-03-26 10:10:18,374 INFO L154 LiptonReduction]: Checked pairs total: 574 [2021-03-26 10:10:18,374 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:10:18,374 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-03-26 10:10:18,375 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 45 transitions, 261 flow [2021-03-26 10:10:18,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 161.0) internal successors, (805), 5 states have internal predecessors, (805), 0 states have call successors, (0), 0 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 10:10:18,376 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:10:18,376 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:10:18,376 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:10:18,376 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 10:10:18,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:10:18,376 INFO L82 PathProgramCache]: Analyzing trace with hash 454044833, now seen corresponding path program 2 times [2021-03-26 10:10:18,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:10:18,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764009569] [2021-03-26 10:10:18,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:10:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:10:18,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:18,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:10:18,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:18,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:10:18,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:18,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 10:10:18,493 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.1 percent of original size [2021-03-26 10:10:18,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 10:10:18,517 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 10:10:18,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764009569] [2021-03-26 10:10:18,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:10:18,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:10:18,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475721934] [2021-03-26 10:10:18,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:10:18,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:10:18,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:10:18,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:10:18,520 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 207 [2021-03-26 10:10:18,520 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 261 flow. Second operand has 6 states, 6 states have (on average 161.83333333333334) internal successors, (971), 6 states have internal predecessors, (971), 0 states have call successors, (0), 0 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 10:10:18,520 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:10:18,520 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 207 [2021-03-26 10:10:18,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:10:18,611 INFO L129 PetriNetUnfolder]: 44/137 cut-off events. [2021-03-26 10:10:18,611 INFO L130 PetriNetUnfolder]: For 354/360 co-relation queries the response was YES. [2021-03-26 10:10:18,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 137 events. 44/137 cut-off events. For 354/360 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 543 event pairs, 5 based on Foata normal form. 3/128 useless extension candidates. Maximal degree in co-relation 518. Up to 64 conditions per place. [2021-03-26 10:10:18,614 INFO L132 encePairwiseOnDemand]: 200/207 looper letters, 13 selfloop transitions, 14 changer transitions 0/48 dead transitions. [2021-03-26 10:10:18,614 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 48 transitions, 337 flow [2021-03-26 10:10:18,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:10:18,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:10:18,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 821 transitions. [2021-03-26 10:10:18,617 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7932367149758454 [2021-03-26 10:10:18,617 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 821 transitions. [2021-03-26 10:10:18,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 821 transitions. [2021-03-26 10:10:18,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:10:18,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 821 transitions. [2021-03-26 10:10:18,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 164.2) internal successors, (821), 5 states have internal predecessors, (821), 0 states have call successors, (0), 0 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 10:10:18,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:18,622 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:18,622 INFO L185 Difference]: Start difference. First operand has 57 places, 45 transitions, 261 flow. Second operand 5 states and 821 transitions. [2021-03-26 10:10:18,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 48 transitions, 337 flow [2021-03-26 10:10:18,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 48 transitions, 324 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-03-26 10:10:18,627 INFO L241 Difference]: Finished difference. Result has 61 places, 46 transitions, 300 flow [2021-03-26 10:10:18,627 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=300, PETRI_PLACES=61, PETRI_TRANSITIONS=46} [2021-03-26 10:10:18,628 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 1 predicate places. [2021-03-26 10:10:18,628 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:10:18,628 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 46 transitions, 300 flow [2021-03-26 10:10:18,628 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 46 transitions, 300 flow [2021-03-26 10:10:18,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 46 transitions, 300 flow [2021-03-26 10:10:18,644 INFO L129 PetriNetUnfolder]: 41/124 cut-off events. [2021-03-26 10:10:18,644 INFO L130 PetriNetUnfolder]: For 409/420 co-relation queries the response was YES. [2021-03-26 10:10:18,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 471 conditions, 124 events. 41/124 cut-off events. For 409/420 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 492 event pairs, 7 based on Foata normal form. 3/114 useless extension candidates. Maximal degree in co-relation 449. Up to 48 conditions per place. [2021-03-26 10:10:18,646 INFO L142 LiptonReduction]: Number of co-enabled transitions 724 [2021-03-26 10:10:18,651 INFO L154 LiptonReduction]: Checked pairs total: 582 [2021-03-26 10:10:18,651 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:10:18,652 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-03-26 10:10:18,652 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 46 transitions, 300 flow [2021-03-26 10:10:18,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 161.83333333333334) internal successors, (971), 6 states have internal predecessors, (971), 0 states have call successors, (0), 0 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 10:10:18,652 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:10:18,652 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:10:18,652 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 10:10:18,653 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 10:10:18,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:10:18,653 INFO L82 PathProgramCache]: Analyzing trace with hash 655960809, now seen corresponding path program 3 times [2021-03-26 10:10:18,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:10:18,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676807285] [2021-03-26 10:10:18,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:10:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:10:18,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:18,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:10:18,723 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-03-26 10:10:18,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 10:10:18,735 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-03-26 10:10:18,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 10:10:18,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:18,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:10:18,750 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 10:10:18,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676807285] [2021-03-26 10:10:18,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:10:18,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:10:18,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290204908] [2021-03-26 10:10:18,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:10:18,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:10:18,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:10:18,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:10:18,755 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 207 [2021-03-26 10:10:18,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 46 transitions, 300 flow. Second operand has 5 states, 5 states have (on average 167.0) internal successors, (835), 5 states have internal predecessors, (835), 0 states have call successors, (0), 0 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 10:10:18,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:10:18,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 207 [2021-03-26 10:10:18,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:10:18,826 INFO L129 PetriNetUnfolder]: 38/127 cut-off events. [2021-03-26 10:10:18,827 INFO L130 PetriNetUnfolder]: For 458/464 co-relation queries the response was YES. [2021-03-26 10:10:18,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 527 conditions, 127 events. 38/127 cut-off events. For 458/464 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 505 event pairs, 4 based on Foata normal form. 4/121 useless extension candidates. Maximal degree in co-relation 503. Up to 49 conditions per place. [2021-03-26 10:10:18,828 INFO L132 encePairwiseOnDemand]: 200/207 looper letters, 9 selfloop transitions, 20 changer transitions 0/50 dead transitions. [2021-03-26 10:10:18,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 50 transitions, 388 flow [2021-03-26 10:10:18,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:10:18,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:10:18,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1012 transitions. [2021-03-26 10:10:18,831 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8148148148148148 [2021-03-26 10:10:18,831 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1012 transitions. [2021-03-26 10:10:18,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1012 transitions. [2021-03-26 10:10:18,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:10:18,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1012 transitions. [2021-03-26 10:10:18,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 168.66666666666666) internal successors, (1012), 6 states have internal predecessors, (1012), 0 states have call successors, (0), 0 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 10:10:18,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:18,834 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:18,834 INFO L185 Difference]: Start difference. First operand has 61 places, 46 transitions, 300 flow. Second operand 6 states and 1012 transitions. [2021-03-26 10:10:18,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 50 transitions, 388 flow [2021-03-26 10:10:18,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 50 transitions, 356 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-03-26 10:10:18,838 INFO L241 Difference]: Finished difference. Result has 64 places, 48 transitions, 348 flow [2021-03-26 10:10:18,838 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=348, PETRI_PLACES=64, PETRI_TRANSITIONS=48} [2021-03-26 10:10:18,838 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 4 predicate places. [2021-03-26 10:10:18,838 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:10:18,838 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 48 transitions, 348 flow [2021-03-26 10:10:18,838 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 48 transitions, 348 flow [2021-03-26 10:10:18,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 48 transitions, 348 flow [2021-03-26 10:10:18,852 INFO L129 PetriNetUnfolder]: 36/121 cut-off events. [2021-03-26 10:10:18,852 INFO L130 PetriNetUnfolder]: For 384/390 co-relation queries the response was YES. [2021-03-26 10:10:18,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 461 conditions, 121 events. 36/121 cut-off events. For 384/390 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 481 event pairs, 9 based on Foata normal form. 1/111 useless extension candidates. Maximal degree in co-relation 439. Up to 43 conditions per place. [2021-03-26 10:10:18,855 INFO L142 LiptonReduction]: Number of co-enabled transitions 758 [2021-03-26 10:10:18,866 INFO L154 LiptonReduction]: Checked pairs total: 753 [2021-03-26 10:10:18,867 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:10:18,867 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-03-26 10:10:18,867 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 48 transitions, 348 flow [2021-03-26 10:10:18,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 167.0) internal successors, (835), 5 states have internal predecessors, (835), 0 states have call successors, (0), 0 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 10:10:18,867 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:10:18,868 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:10:18,868 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 10:10:18,868 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 10:10:18,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:10:18,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1499289564, now seen corresponding path program 1 times [2021-03-26 10:10:18,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:10:18,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308951185] [2021-03-26 10:10:18,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:10:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:10:18,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:18,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:10:18,912 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:10:18,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:10:18,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:18,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:10:18,918 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 10:10:18,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308951185] [2021-03-26 10:10:18,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:10:18,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:10:18,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66438286] [2021-03-26 10:10:18,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:10:18,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:10:18,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:10:18,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:10:18,920 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 207 [2021-03-26 10:10:18,920 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 48 transitions, 348 flow. Second operand has 4 states, 4 states have (on average 172.75) internal successors, (691), 4 states have internal predecessors, (691), 0 states have call successors, (0), 0 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 10:10:18,920 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:10:18,920 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 207 [2021-03-26 10:10:18,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:10:19,084 INFO L129 PetriNetUnfolder]: 438/829 cut-off events. [2021-03-26 10:10:19,085 INFO L130 PetriNetUnfolder]: For 1723/1869 co-relation queries the response was YES. [2021-03-26 10:10:19,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2604 conditions, 829 events. 438/829 cut-off events. For 1723/1869 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 5451 event pairs, 187 based on Foata normal form. 73/725 useless extension candidates. Maximal degree in co-relation 2580. Up to 475 conditions per place. [2021-03-26 10:10:19,091 INFO L132 encePairwiseOnDemand]: 200/207 looper letters, 14 selfloop transitions, 10 changer transitions 0/62 dead transitions. [2021-03-26 10:10:19,091 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 62 transitions, 424 flow [2021-03-26 10:10:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:10:19,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:10:19,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 884 transitions. [2021-03-26 10:10:19,093 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8541062801932368 [2021-03-26 10:10:19,093 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 884 transitions. [2021-03-26 10:10:19,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 884 transitions. [2021-03-26 10:10:19,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:10:19,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 884 transitions. [2021-03-26 10:10:19,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 176.8) internal successors, (884), 5 states have internal predecessors, (884), 0 states have call successors, (0), 0 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 10:10:19,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:19,096 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:19,096 INFO L185 Difference]: Start difference. First operand has 64 places, 48 transitions, 348 flow. Second operand 5 states and 884 transitions. [2021-03-26 10:10:19,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 62 transitions, 424 flow [2021-03-26 10:10:19,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 62 transitions, 397 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-26 10:10:19,101 INFO L241 Difference]: Finished difference. Result has 67 places, 57 transitions, 404 flow [2021-03-26 10:10:19,101 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=404, PETRI_PLACES=67, PETRI_TRANSITIONS=57} [2021-03-26 10:10:19,101 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 7 predicate places. [2021-03-26 10:10:19,101 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:10:19,101 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 57 transitions, 404 flow [2021-03-26 10:10:19,101 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 57 transitions, 404 flow [2021-03-26 10:10:19,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 57 transitions, 404 flow [2021-03-26 10:10:19,165 INFO L129 PetriNetUnfolder]: 378/737 cut-off events. [2021-03-26 10:10:19,165 INFO L130 PetriNetUnfolder]: For 1762/1950 co-relation queries the response was YES. [2021-03-26 10:10:19,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2733 conditions, 737 events. 378/737 cut-off events. For 1762/1950 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 4878 event pairs, 123 based on Foata normal form. 8/623 useless extension candidates. Maximal degree in co-relation 2708. Up to 398 conditions per place. [2021-03-26 10:10:19,175 INFO L142 LiptonReduction]: Number of co-enabled transitions 1008 [2021-03-26 10:10:19,254 INFO L154 LiptonReduction]: Checked pairs total: 429 [2021-03-26 10:10:19,255 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:10:19,255 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 154 [2021-03-26 10:10:19,256 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 57 transitions, 404 flow [2021-03-26 10:10:19,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 172.75) internal successors, (691), 4 states have internal predecessors, (691), 0 states have call successors, (0), 0 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 10:10:19,257 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:10:19,257 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:10:19,257 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 10:10:19,257 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 10:10:19,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:10:19,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1227077792, now seen corresponding path program 1 times [2021-03-26 10:10:19,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:10:19,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89191395] [2021-03-26 10:10:19,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:10:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:10:19,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:19,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:10:19,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:19,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:10:19,296 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:10:19,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:10:19,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:19,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:10:19,302 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 10:10:19,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89191395] [2021-03-26 10:10:19,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:10:19,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:10:19,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995754829] [2021-03-26 10:10:19,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:10:19,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:10:19,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:10:19,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:10:19,304 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 207 [2021-03-26 10:10:19,304 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 57 transitions, 404 flow. Second operand has 5 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 0 states have call successors, (0), 0 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 10:10:19,304 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:10:19,304 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 207 [2021-03-26 10:10:19,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:10:19,412 INFO L129 PetriNetUnfolder]: 315/627 cut-off events. [2021-03-26 10:10:19,412 INFO L130 PetriNetUnfolder]: For 1662/2620 co-relation queries the response was YES. [2021-03-26 10:10:19,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2539 conditions, 627 events. 315/627 cut-off events. For 1662/2620 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 3769 event pairs, 40 based on Foata normal form. 119/643 useless extension candidates. Maximal degree in co-relation 2512. Up to 375 conditions per place. [2021-03-26 10:10:19,418 INFO L132 encePairwiseOnDemand]: 200/207 looper letters, 15 selfloop transitions, 19 changer transitions 0/72 dead transitions. [2021-03-26 10:10:19,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 72 transitions, 552 flow [2021-03-26 10:10:19,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:10:19,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:10:19,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1238 transitions. [2021-03-26 10:10:19,421 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8543823326432022 [2021-03-26 10:10:19,421 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1238 transitions. [2021-03-26 10:10:19,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1238 transitions. [2021-03-26 10:10:19,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:10:19,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1238 transitions. [2021-03-26 10:10:19,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 176.85714285714286) internal successors, (1238), 7 states have internal predecessors, (1238), 0 states have call successors, (0), 0 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 10:10:19,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 207.0) internal successors, (1656), 8 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:19,425 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 207.0) internal successors, (1656), 8 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:19,426 INFO L185 Difference]: Start difference. First operand has 67 places, 57 transitions, 404 flow. Second operand 7 states and 1238 transitions. [2021-03-26 10:10:19,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 72 transitions, 552 flow [2021-03-26 10:10:19,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 72 transitions, 547 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:10:19,431 INFO L241 Difference]: Finished difference. Result has 75 places, 66 transitions, 541 flow [2021-03-26 10:10:19,431 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=541, PETRI_PLACES=75, PETRI_TRANSITIONS=66} [2021-03-26 10:10:19,431 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 15 predicate places. [2021-03-26 10:10:19,431 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:10:19,432 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 66 transitions, 541 flow [2021-03-26 10:10:19,432 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 66 transitions, 541 flow [2021-03-26 10:10:19,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 66 transitions, 541 flow [2021-03-26 10:10:19,475 INFO L129 PetriNetUnfolder]: 239/509 cut-off events. [2021-03-26 10:10:19,475 INFO L130 PetriNetUnfolder]: For 1915/2466 co-relation queries the response was YES. [2021-03-26 10:10:19,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2439 conditions, 509 events. 239/509 cut-off events. For 1915/2466 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 3223 event pairs, 41 based on Foata normal form. 11/440 useless extension candidates. Maximal degree in co-relation 2410. Up to 316 conditions per place. [2021-03-26 10:10:19,482 INFO L142 LiptonReduction]: Number of co-enabled transitions 1194 [2021-03-26 10:10:19,501 INFO L154 LiptonReduction]: Checked pairs total: 632 [2021-03-26 10:10:19,501 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:10:19,501 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 70 [2021-03-26 10:10:19,504 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 66 transitions, 541 flow [2021-03-26 10:10:19,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 0 states have call successors, (0), 0 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 10:10:19,504 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:10:19,504 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 10:10:19,505 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 10:10:19,505 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 10:10:19,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:10:19,505 INFO L82 PathProgramCache]: Analyzing trace with hash -799581348, now seen corresponding path program 1 times [2021-03-26 10:10:19,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:10:19,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416488620] [2021-03-26 10:10:19,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:10:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:10:19,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:19,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:10:19,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:19,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:10:19,550 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 10:10:19,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416488620] [2021-03-26 10:10:19,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:10:19,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:10:19,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163948645] [2021-03-26 10:10:19,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:10:19,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:10:19,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:10:19,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:10:19,552 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 207 [2021-03-26 10:10:19,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 66 transitions, 541 flow. Second operand has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:19,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:10:19,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 207 [2021-03-26 10:10:19,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:10:19,624 INFO L129 PetriNetUnfolder]: 367/744 cut-off events. [2021-03-26 10:10:19,625 INFO L130 PetriNetUnfolder]: For 3283/4445 co-relation queries the response was YES. [2021-03-26 10:10:19,628 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3687 conditions, 744 events. 367/744 cut-off events. For 3283/4445 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 4793 event pairs, 59 based on Foata normal form. 35/653 useless extension candidates. Maximal degree in co-relation 3656. Up to 498 conditions per place. [2021-03-26 10:10:19,631 INFO L132 encePairwiseOnDemand]: 204/207 looper letters, 3 selfloop transitions, 3 changer transitions 0/66 dead transitions. [2021-03-26 10:10:19,631 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 66 transitions, 553 flow [2021-03-26 10:10:19,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:10:19,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:10:19,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 564 transitions. [2021-03-26 10:10:19,633 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9082125603864735 [2021-03-26 10:10:19,633 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 564 transitions. [2021-03-26 10:10:19,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 564 transitions. [2021-03-26 10:10:19,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:10:19,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 564 transitions. [2021-03-26 10:10:19,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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 10:10:19,635 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 10:10:19,635 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 10:10:19,635 INFO L185 Difference]: Start difference. First operand has 75 places, 66 transitions, 541 flow. Second operand 3 states and 564 transitions. [2021-03-26 10:10:19,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 66 transitions, 553 flow [2021-03-26 10:10:19,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 66 transitions, 503 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-03-26 10:10:19,642 INFO L241 Difference]: Finished difference. Result has 75 places, 66 transitions, 502 flow [2021-03-26 10:10:19,642 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=491, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=502, PETRI_PLACES=75, PETRI_TRANSITIONS=66} [2021-03-26 10:10:19,642 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 15 predicate places. [2021-03-26 10:10:19,643 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:10:19,643 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 66 transitions, 502 flow [2021-03-26 10:10:19,643 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 66 transitions, 502 flow [2021-03-26 10:10:19,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 66 transitions, 502 flow [2021-03-26 10:10:19,701 INFO L129 PetriNetUnfolder]: 370/745 cut-off events. [2021-03-26 10:10:19,701 INFO L130 PetriNetUnfolder]: For 3305/3617 co-relation queries the response was YES. [2021-03-26 10:10:19,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3359 conditions, 745 events. 370/745 cut-off events. For 3305/3617 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 4942 event pairs, 63 based on Foata normal form. 12/625 useless extension candidates. Maximal degree in co-relation 3330. Up to 445 conditions per place. [2021-03-26 10:10:19,711 INFO L142 LiptonReduction]: Number of co-enabled transitions 1194 [2021-03-26 10:10:19,749 INFO L154 LiptonReduction]: Checked pairs total: 781 [2021-03-26 10:10:19,749 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:10:19,749 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 106 [2021-03-26 10:10:19,750 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 66 transitions, 502 flow [2021-03-26 10:10:19,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:19,751 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:10:19,751 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 10:10:19,751 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 10:10:19,751 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 10:10:19,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:10:19,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1736078776, now seen corresponding path program 1 times [2021-03-26 10:10:19,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:10:19,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922691480] [2021-03-26 10:10:19,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:10:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:10:19,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:19,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:10:19,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:19,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:10:19,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:19,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:10:19,793 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:10:19,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:10:19,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:19,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:10:19,801 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 10:10:19,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922691480] [2021-03-26 10:10:19,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:10:19,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:10:19,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143413063] [2021-03-26 10:10:19,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:10:19,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:10:19,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:10:19,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:10:19,803 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 207 [2021-03-26 10:10:19,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 66 transitions, 502 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 10:10:19,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:10:19,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 207 [2021-03-26 10:10:19,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:10:19,961 INFO L129 PetriNetUnfolder]: 346/665 cut-off events. [2021-03-26 10:10:19,961 INFO L130 PetriNetUnfolder]: For 3219/5683 co-relation queries the response was YES. [2021-03-26 10:10:19,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3138 conditions, 665 events. 346/665 cut-off events. For 3219/5683 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 3950 event pairs, 6 based on Foata normal form. 161/680 useless extension candidates. Maximal degree in co-relation 3107. Up to 408 conditions per place. [2021-03-26 10:10:19,966 INFO L132 encePairwiseOnDemand]: 200/207 looper letters, 12 selfloop transitions, 28 changer transitions 4/78 dead transitions. [2021-03-26 10:10:19,966 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 78 transitions, 677 flow [2021-03-26 10:10:19,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 10:10:19,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 10:10:19,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1592 transitions. [2021-03-26 10:10:19,969 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8545356951154053 [2021-03-26 10:10:19,969 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1592 transitions. [2021-03-26 10:10:19,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1592 transitions. [2021-03-26 10:10:19,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:10:19,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1592 transitions. [2021-03-26 10:10:19,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 176.88888888888889) internal successors, (1592), 9 states have internal predecessors, (1592), 0 states have call successors, (0), 0 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 10:10:19,974 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 10:10:19,975 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 10:10:19,975 INFO L185 Difference]: Start difference. First operand has 75 places, 66 transitions, 502 flow. Second operand 9 states and 1592 transitions. [2021-03-26 10:10:19,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 78 transitions, 677 flow [2021-03-26 10:10:19,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 78 transitions, 663 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-03-26 10:10:19,980 INFO L241 Difference]: Finished difference. Result has 84 places, 71 transitions, 629 flow [2021-03-26 10:10:19,981 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=629, PETRI_PLACES=84, PETRI_TRANSITIONS=71} [2021-03-26 10:10:19,981 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 24 predicate places. [2021-03-26 10:10:19,981 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:10:19,981 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 71 transitions, 629 flow [2021-03-26 10:10:19,981 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 71 transitions, 629 flow [2021-03-26 10:10:19,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 71 transitions, 629 flow [2021-03-26 10:10:20,020 INFO L129 PetriNetUnfolder]: 223/488 cut-off events. [2021-03-26 10:10:20,020 INFO L130 PetriNetUnfolder]: For 3038/3320 co-relation queries the response was YES. [2021-03-26 10:10:20,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2626 conditions, 488 events. 223/488 cut-off events. For 3038/3320 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 3057 event pairs, 6 based on Foata normal form. 8/389 useless extension candidates. Maximal degree in co-relation 2594. Up to 308 conditions per place. [2021-03-26 10:10:20,028 INFO L142 LiptonReduction]: Number of co-enabled transitions 1222 [2021-03-26 10:10:20,037 INFO L154 LiptonReduction]: Checked pairs total: 860 [2021-03-26 10:10:20,037 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:10:20,037 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 56 [2021-03-26 10:10:20,038 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 71 transitions, 629 flow [2021-03-26 10:10:20,038 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 10:10:20,039 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:10:20,039 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 10:10:20,039 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 10:10:20,039 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 10:10:20,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:10:20,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1223391024, now seen corresponding path program 1 times [2021-03-26 10:10:20,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:10:20,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857458205] [2021-03-26 10:10:20,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:10:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:10:20,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:20,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:10:20,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:20,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:10:20,084 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-26 10:10:20,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 10:10:20,097 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-26 10:10:20,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 10:10:20,109 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-03-26 10:10:20,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:10:20,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:20,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:10:20,120 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 10:10:20,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857458205] [2021-03-26 10:10:20,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:10:20,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 10:10:20,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689218970] [2021-03-26 10:10:20,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:10:20,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:10:20,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:10:20,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:10:20,123 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 207 [2021-03-26 10:10:20,123 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 71 transitions, 629 flow. Second operand has 7 states, 7 states have (on average 165.0) internal successors, (1155), 7 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:20,123 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:10:20,123 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 207 [2021-03-26 10:10:20,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:10:20,347 INFO L129 PetriNetUnfolder]: 733/1656 cut-off events. [2021-03-26 10:10:20,347 INFO L130 PetriNetUnfolder]: For 11880/12944 co-relation queries the response was YES. [2021-03-26 10:10:20,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8675 conditions, 1656 events. 733/1656 cut-off events. For 11880/12944 co-relation queries the response was YES. Maximal size of possible extension queue 350. Compared 14232 event pairs, 13 based on Foata normal form. 71/1527 useless extension candidates. Maximal degree in co-relation 8641. Up to 990 conditions per place. [2021-03-26 10:10:20,362 INFO L132 encePairwiseOnDemand]: 200/207 looper letters, 39 selfloop transitions, 14 changer transitions 11/113 dead transitions. [2021-03-26 10:10:20,363 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 113 transitions, 1184 flow [2021-03-26 10:10:20,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:10:20,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:10:20,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1177 transitions. [2021-03-26 10:10:20,365 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8122843340234644 [2021-03-26 10:10:20,365 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1177 transitions. [2021-03-26 10:10:20,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1177 transitions. [2021-03-26 10:10:20,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:10:20,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1177 transitions. [2021-03-26 10:10:20,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 168.14285714285714) internal successors, (1177), 7 states have internal predecessors, (1177), 0 states have call successors, (0), 0 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 10:10:20,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 207.0) internal successors, (1656), 8 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:20,379 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 207.0) internal successors, (1656), 8 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:20,379 INFO L185 Difference]: Start difference. First operand has 84 places, 71 transitions, 629 flow. Second operand 7 states and 1177 transitions. [2021-03-26 10:10:20,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 113 transitions, 1184 flow [2021-03-26 10:10:20,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 113 transitions, 1087 flow, removed 34 selfloop flow, removed 4 redundant places. [2021-03-26 10:10:20,506 INFO L241 Difference]: Finished difference. Result has 91 places, 81 transitions, 694 flow [2021-03-26 10:10:20,506 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=694, PETRI_PLACES=91, PETRI_TRANSITIONS=81} [2021-03-26 10:10:20,506 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 31 predicate places. [2021-03-26 10:10:20,506 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:10:20,506 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 81 transitions, 694 flow [2021-03-26 10:10:20,507 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 81 transitions, 694 flow [2021-03-26 10:10:20,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 81 transitions, 694 flow [2021-03-26 10:10:20,602 INFO L129 PetriNetUnfolder]: 674/1432 cut-off events. [2021-03-26 10:10:20,602 INFO L130 PetriNetUnfolder]: For 6264/6531 co-relation queries the response was YES. [2021-03-26 10:10:20,610 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5555 conditions, 1432 events. 674/1432 cut-off events. For 6264/6531 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 11538 event pairs, 16 based on Foata normal form. 22/1185 useless extension candidates. Maximal degree in co-relation 5518. Up to 427 conditions per place. [2021-03-26 10:10:20,623 INFO L142 LiptonReduction]: Number of co-enabled transitions 1662 [2021-03-26 10:10:20,776 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 10:10:21,127 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-26 10:10:21,234 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-26 10:10:21,440 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 10:10:21,843 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-26 10:10:21,977 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-26 10:10:22,013 INFO L154 LiptonReduction]: Checked pairs total: 856 [2021-03-26 10:10:22,013 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 10:10:22,014 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1508 [2021-03-26 10:10:22,014 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 81 transitions, 698 flow [2021-03-26 10:10:22,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 165.0) internal successors, (1155), 7 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:22,014 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:10:22,014 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 10:10:22,015 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 10:10:22,015 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 10:10:22,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:10:22,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1293647696, now seen corresponding path program 2 times [2021-03-26 10:10:22,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:10:22,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123492528] [2021-03-26 10:10:22,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:10:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:10:22,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:22,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:10:22,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:22,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:10:22,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:22,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:10:22,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:22,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:10:22,086 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:10:22,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:10:22,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:22,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:10:22,094 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 10:10:22,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123492528] [2021-03-26 10:10:22,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:10:22,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 10:10:22,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101973925] [2021-03-26 10:10:22,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:10:22,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:10:22,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:10:22,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:10:22,097 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 209 [2021-03-26 10:10:22,097 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 81 transitions, 698 flow. Second operand has 7 states, 7 states have (on average 174.85714285714286) internal successors, (1224), 7 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:22,097 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:10:22,097 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 209 [2021-03-26 10:10:22,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:10:22,356 INFO L129 PetriNetUnfolder]: 987/1867 cut-off events. [2021-03-26 10:10:22,356 INFO L130 PetriNetUnfolder]: For 8230/13098 co-relation queries the response was YES. [2021-03-26 10:10:22,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7826 conditions, 1867 events. 987/1867 cut-off events. For 8230/13098 co-relation queries the response was YES. Maximal size of possible extension queue 396. Compared 14282 event pairs, 0 based on Foata normal form. 530/2031 useless extension candidates. Maximal degree in co-relation 7787. Up to 468 conditions per place. [2021-03-26 10:10:22,372 INFO L132 encePairwiseOnDemand]: 202/209 looper letters, 6 selfloop transitions, 33 changer transitions 5/88 dead transitions. [2021-03-26 10:10:22,372 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 88 transitions, 825 flow [2021-03-26 10:10:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 10:10:22,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 10:10:22,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1960 transitions. [2021-03-26 10:10:22,376 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8525445846020009 [2021-03-26 10:10:22,376 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1960 transitions. [2021-03-26 10:10:22,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1960 transitions. [2021-03-26 10:10:22,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:10:22,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1960 transitions. [2021-03-26 10:10:22,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 178.1818181818182) internal successors, (1960), 11 states have internal predecessors, (1960), 0 states have call successors, (0), 0 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 10:10:22,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 209.0) internal successors, (2508), 12 states have internal predecessors, (2508), 0 states have call successors, (0), 0 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 10:10:22,381 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 209.0) internal successors, (2508), 12 states have internal predecessors, (2508), 0 states have call successors, (0), 0 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 10:10:22,382 INFO L185 Difference]: Start difference. First operand has 91 places, 81 transitions, 698 flow. Second operand 11 states and 1960 transitions. [2021-03-26 10:10:22,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 88 transitions, 825 flow [2021-03-26 10:10:22,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 88 transitions, 749 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-26 10:10:22,412 INFO L241 Difference]: Finished difference. Result has 98 places, 80 transitions, 691 flow [2021-03-26 10:10:22,413 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=691, PETRI_PLACES=98, PETRI_TRANSITIONS=80} [2021-03-26 10:10:22,413 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 38 predicate places. [2021-03-26 10:10:22,413 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:10:22,413 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 80 transitions, 691 flow [2021-03-26 10:10:22,413 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 80 transitions, 691 flow [2021-03-26 10:10:22,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 80 transitions, 691 flow [2021-03-26 10:10:22,492 INFO L129 PetriNetUnfolder]: 597/1284 cut-off events. [2021-03-26 10:10:22,492 INFO L130 PetriNetUnfolder]: For 5018/5614 co-relation queries the response was YES. [2021-03-26 10:10:22,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5676 conditions, 1284 events. 597/1284 cut-off events. For 5018/5614 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 10390 event pairs, 0 based on Foata normal form. 17/1041 useless extension candidates. Maximal degree in co-relation 5637. Up to 409 conditions per place. [2021-03-26 10:10:22,511 INFO L142 LiptonReduction]: Number of co-enabled transitions 1636 [2021-03-26 10:10:22,676 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 10:10:23,034 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-26 10:10:23,158 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-26 10:10:23,394 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 10:10:23,780 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-26 10:10:23,911 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-26 10:10:24,232 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-03-26 10:10:24,373 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-03-26 10:10:25,084 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 196 [2021-03-26 10:10:25,315 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-03-26 10:10:26,775 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 350 DAG size of output: 274 [2021-03-26 10:10:27,309 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-03-26 10:10:27,343 INFO L154 LiptonReduction]: Checked pairs total: 1594 [2021-03-26 10:10:27,343 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-26 10:10:27,343 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4930 [2021-03-26 10:10:27,344 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 74 transitions, 655 flow [2021-03-26 10:10:27,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 174.85714285714286) internal successors, (1224), 7 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:10:27,344 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:10:27,344 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 10:10:27,344 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 10:10:27,344 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 10:10:27,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:10:27,345 INFO L82 PathProgramCache]: Analyzing trace with hash 732120510, now seen corresponding path program 1 times [2021-03-26 10:10:27,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:10:27,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859046135] [2021-03-26 10:10:27,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:10:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:10:27,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:27,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:10:27,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:27,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:10:27,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:10:27,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:10:27,385 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 10:10:27,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859046135] [2021-03-26 10:10:27,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:10:27,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:10:27,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886526682] [2021-03-26 10:10:27,386 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:10:27,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:10:27,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:10:27,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:10:27,387 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 213 [2021-03-26 10:10:27,387 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 74 transitions, 655 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 10:10:27,387 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:10:27,387 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 213 [2021-03-26 10:10:27,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:10:27,458 INFO L129 PetriNetUnfolder]: 379/805 cut-off events. [2021-03-26 10:10:27,458 INFO L130 PetriNetUnfolder]: For 4638/5077 co-relation queries the response was YES. [2021-03-26 10:10:27,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3447 conditions, 805 events. 379/805 cut-off events. For 4638/5077 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 5548 event pairs, 0 based on Foata normal form. 58/741 useless extension candidates. Maximal degree in co-relation 3406. Up to 320 conditions per place. [2021-03-26 10:10:27,464 INFO L132 encePairwiseOnDemand]: 210/213 looper letters, 3 selfloop transitions, 2 changer transitions 22/63 dead transitions. [2021-03-26 10:10:27,464 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 63 transitions, 551 flow [2021-03-26 10:10:27,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:10:27,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:10:27,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 754 transitions. [2021-03-26 10:10:27,466 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8849765258215962 [2021-03-26 10:10:27,466 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 754 transitions. [2021-03-26 10:10:27,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 754 transitions. [2021-03-26 10:10:27,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:10:27,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 754 transitions. [2021-03-26 10:10:27,470 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 10:10:27,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 0 states have call successors, (0), 0 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 10:10:27,471 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 0 states have call successors, (0), 0 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 10:10:27,471 INFO L185 Difference]: Start difference. First operand has 95 places, 74 transitions, 655 flow. Second operand 4 states and 754 transitions. [2021-03-26 10:10:27,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 63 transitions, 551 flow [2021-03-26 10:10:27,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 63 transitions, 460 flow, removed 30 selfloop flow, removed 13 redundant places. [2021-03-26 10:10:27,484 INFO L241 Difference]: Finished difference. Result has 77 places, 41 transitions, 250 flow [2021-03-26 10:10:27,484 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=250, PETRI_PLACES=77, PETRI_TRANSITIONS=41} [2021-03-26 10:10:27,484 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 17 predicate places. [2021-03-26 10:10:27,484 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:10:27,484 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 41 transitions, 250 flow [2021-03-26 10:10:27,485 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 41 transitions, 250 flow [2021-03-26 10:10:27,485 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 41 transitions, 250 flow [2021-03-26 10:10:27,495 INFO L129 PetriNetUnfolder]: 65/169 cut-off events. [2021-03-26 10:10:27,495 INFO L130 PetriNetUnfolder]: For 304/341 co-relation queries the response was YES. [2021-03-26 10:10:27,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 169 events. 65/169 cut-off events. For 304/341 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 755 event pairs, 0 based on Foata normal form. 10/161 useless extension candidates. Maximal degree in co-relation 510. Up to 56 conditions per place. [2021-03-26 10:10:27,496 INFO L142 LiptonReduction]: Number of co-enabled transitions 396 [2021-03-26 10:10:27,851 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 74 [2021-03-26 10:10:28,130 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 93 [2021-03-26 10:10:28,204 INFO L154 LiptonReduction]: Checked pairs total: 143 [2021-03-26 10:10:28,204 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 10:10:28,204 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 720 [2021-03-26 10:10:28,204 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 38 transitions, 254 flow [2021-03-26 10:10:28,204 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 10:10:28,204 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:10:28,205 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:10:28,205 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 10:10:28,205 INFO L428 AbstractCegarLoop]: === Iteration 17 === [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 10:10:28,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:10:28,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1554937046, now seen corresponding path program 1 times [2021-03-26 10:10:28,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:10:28,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354403998] [2021-03-26 10:10:28,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:10:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:10:28,223 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:10:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:10:28,249 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:10:28,280 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 10:10:28,280 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 10:10:28,281 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 10:10:28,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 10:10:28 BasicIcfg [2021-03-26 10:10:28,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 10:10:28,379 INFO L168 Benchmark]: Toolchain (without parser) took 27394.06 ms. Allocated memory was 320.9 MB in the beginning and 838.9 MB in the end (delta: 518.0 MB). Free memory was 283.0 MB in the beginning and 348.9 MB in the end (delta: -65.9 MB). Peak memory consumption was 452.7 MB. Max. memory is 16.0 GB. [2021-03-26 10:10:28,380 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 320.9 MB. Free memory was 301.6 MB in the beginning and 301.5 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:10:28,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.06 ms. Allocated memory is still 320.9 MB. Free memory was 282.8 MB in the beginning and 279.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:10:28,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.62 ms. Allocated memory is still 320.9 MB. Free memory was 279.6 MB in the beginning and 275.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-26 10:10:28,380 INFO L168 Benchmark]: Boogie Preprocessor took 26.90 ms. Allocated memory is still 320.9 MB. Free memory was 275.8 MB in the beginning and 273.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:10:28,380 INFO L168 Benchmark]: RCFGBuilder took 1401.58 ms. Allocated memory is still 320.9 MB. Free memory was 273.3 MB in the beginning and 238.2 MB in the end (delta: 35.1 MB). Peak memory consumption was 148.4 MB. Max. memory is 16.0 GB. [2021-03-26 10:10:28,380 INFO L168 Benchmark]: TraceAbstraction took 25410.99 ms. Allocated memory was 320.9 MB in the beginning and 838.9 MB in the end (delta: 518.0 MB). Free memory was 238.2 MB in the beginning and 348.9 MB in the end (delta: -110.7 MB). Peak memory consumption was 406.2 MB. Max. memory is 16.0 GB. [2021-03-26 10:10:28,381 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 320.9 MB. Free memory was 301.6 MB in the beginning and 301.5 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 476.06 ms. Allocated memory is still 320.9 MB. Free memory was 282.8 MB in the beginning and 279.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 72.62 ms. Allocated memory is still 320.9 MB. Free memory was 279.6 MB in the beginning and 275.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.90 ms. Allocated memory is still 320.9 MB. Free memory was 275.8 MB in the beginning and 273.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1401.58 ms. Allocated memory is still 320.9 MB. Free memory was 273.3 MB in the beginning and 238.2 MB in the end (delta: 35.1 MB). Peak memory consumption was 148.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 25410.99 ms. Allocated memory was 320.9 MB in the beginning and 838.9 MB in the end (delta: 518.0 MB). Free memory was 238.2 MB in the beginning and 348.9 MB in the end (delta: -110.7 MB). Peak memory consumption was 406.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8154.3ms, 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: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2227, positive: 2135, positive conditional: 2135, positive unconditional: 0, negative: 92, negative conditional: 92, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2227, positive: 2135, positive conditional: 0, positive unconditional: 2135, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2227, positive: 2135, positive conditional: 0, positive unconditional: 2135, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1725, positive: 1684, positive conditional: 0, positive unconditional: 1684, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1725, positive: 1674, positive conditional: 0, positive unconditional: 1674, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 527, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 501, negative conditional: 0, negative unconditional: 501, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2227, positive: 451, positive conditional: 0, positive unconditional: 451, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 1725, unknown conditional: 0, unknown unconditional: 1725] , Statistics on independence cache: Total cache size (in pairs): 1725, Positive cache size: 1684, Positive conditional cache size: 0, Positive unconditional cache size: 1684, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3441.5ms, 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: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 467, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 72, negative conditional: 72, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 467, positive: 395, positive conditional: 20, positive unconditional: 375, negative: 72, negative conditional: 5, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 467, positive: 395, positive conditional: 20, positive unconditional: 375, negative: 72, negative conditional: 5, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 119, positive: 102, positive conditional: 12, positive unconditional: 90, negative: 17, negative conditional: 4, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 119, positive: 94, positive conditional: 0, positive unconditional: 94, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 17, negative conditional: 4, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 270, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 212, negative conditional: 70, negative unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 467, positive: 293, positive conditional: 8, positive unconditional: 285, negative: 55, negative conditional: 1, negative unconditional: 54, unknown: 119, unknown conditional: 16, unknown unconditional: 103] , Statistics on independence cache: Total cache size (in pairs): 1844, Positive cache size: 1786, Positive conditional cache size: 12, Positive unconditional cache size: 1774, Negative cache size: 58, Negative conditional cache size: 4, Negative unconditional cache size: 54, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1474.4ms, 41 PlacesBefore, 38 PlacesAfterwards, 31 TransitionsBefore, 28 TransitionsAfterwards, 388 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1047 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 358, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 60, negative conditional: 60, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 358, positive: 298, positive conditional: 0, positive unconditional: 298, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 358, positive: 298, positive conditional: 0, positive unconditional: 298, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 11, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 25, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 358, positive: 289, positive conditional: 0, positive unconditional: 289, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 1855, Positive cache size: 1795, Positive conditional cache size: 12, Positive unconditional cache size: 1783, Negative cache size: 60, Negative conditional cache size: 4, Negative unconditional cache size: 56, Eliminated conditions: 33 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.0ms, 40 PlacesBefore, 40 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 386 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 333 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 126, positive: 107, positive conditional: 107, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 126, positive: 107, positive conditional: 0, positive unconditional: 107, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 126, positive: 107, positive conditional: 0, positive unconditional: 107, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.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: 126, positive: 107, positive conditional: 0, positive unconditional: 107, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1855, Positive cache size: 1795, Positive conditional cache size: 12, Positive unconditional cache size: 1783, Negative cache size: 60, Negative conditional cache size: 4, Negative unconditional cache size: 56, Eliminated conditions: 13 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.0ms, 43 PlacesBefore, 43 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 349 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 156, positive: 138, positive conditional: 138, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 156, positive: 138, positive conditional: 17, positive unconditional: 121, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 156, positive: 138, positive conditional: 17, positive unconditional: 121, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 156, positive: 135, positive conditional: 15, positive unconditional: 120, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 3, unknown conditional: 2, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1858, Positive cache size: 1798, Positive conditional cache size: 14, Positive unconditional cache size: 1784, Negative cache size: 60, Negative conditional cache size: 4, Negative unconditional cache size: 56, Eliminated conditions: 17 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 684.5ms, 48 PlacesBefore, 48 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 556 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 885 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 428, positive: 385, positive conditional: 385, positive unconditional: 0, negative: 43, negative conditional: 43, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 428, positive: 385, positive conditional: 45, positive unconditional: 340, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 428, positive: 385, positive conditional: 45, positive unconditional: 340, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 428, positive: 367, positive conditional: 45, positive unconditional: 322, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 19, unknown conditional: 0, unknown unconditional: 19] , Statistics on independence cache: Total cache size (in pairs): 1877, Positive cache size: 1816, Positive conditional cache size: 14, Positive unconditional cache size: 1802, Negative cache size: 61, Negative conditional cache size: 4, Negative unconditional cache size: 57, Eliminated conditions: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.7ms, 53 PlacesBefore, 53 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 606 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 397 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 146, positive: 128, positive conditional: 128, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 146, positive: 128, positive conditional: 24, positive unconditional: 104, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 146, positive: 128, positive conditional: 24, positive unconditional: 104, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.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: 146, positive: 128, positive conditional: 24, positive unconditional: 104, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1877, Positive cache size: 1816, Positive conditional cache size: 14, Positive unconditional cache size: 1802, Negative cache size: 61, Negative conditional cache size: 4, Negative unconditional cache size: 57, Eliminated conditions: 14 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.4ms, 57 PlacesBefore, 57 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 706 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 574 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 284, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 284, positive: 260, positive conditional: 79, positive unconditional: 181, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 284, positive: 260, positive conditional: 79, positive unconditional: 181, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 256, positive conditional: 75, positive unconditional: 181, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1881, Positive cache size: 1820, Positive conditional cache size: 18, Positive unconditional cache size: 1802, Negative cache size: 61, Negative conditional cache size: 4, Negative unconditional cache size: 57, Eliminated conditions: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.4ms, 61 PlacesBefore, 61 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 724 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 582 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 318, positive: 294, positive conditional: 294, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 318, positive: 294, positive conditional: 105, positive unconditional: 189, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 318, positive: 294, positive conditional: 105, positive unconditional: 189, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 318, positive: 290, positive conditional: 101, positive unconditional: 189, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1885, Positive cache size: 1824, Positive conditional cache size: 22, Positive unconditional cache size: 1802, Negative cache size: 61, Negative conditional cache size: 4, Negative unconditional cache size: 57, Eliminated conditions: 32 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.2ms, 64 PlacesBefore, 64 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 758 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 753 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 360, positive: 329, positive conditional: 329, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 360, positive: 329, positive conditional: 106, positive unconditional: 223, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 360, positive: 329, positive conditional: 106, positive unconditional: 223, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 2, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 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] ], Cache Queries: [ total: 360, positive: 322, positive conditional: 104, positive unconditional: 218, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 8, unknown conditional: 2, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 1893, Positive cache size: 1831, Positive conditional cache size: 24, Positive unconditional cache size: 1807, Negative cache size: 62, Negative conditional cache size: 4, Negative unconditional cache size: 58, Eliminated conditions: 26 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 153.3ms, 67 PlacesBefore, 67 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 1008 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 429 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 158, positive: 144, positive conditional: 144, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 158, positive: 144, positive conditional: 73, positive unconditional: 71, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 158, positive: 144, positive conditional: 73, positive unconditional: 71, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.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: 158, positive: 144, positive conditional: 73, positive unconditional: 71, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1893, Positive cache size: 1831, Positive conditional cache size: 24, Positive unconditional cache size: 1807, Negative cache size: 62, Negative conditional cache size: 4, Negative unconditional cache size: 58, Eliminated conditions: 14 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 69.6ms, 75 PlacesBefore, 75 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 1194 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 632 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 290, positive: 273, positive conditional: 273, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 290, positive: 273, positive conditional: 188, positive unconditional: 85, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 290, positive: 273, positive conditional: 188, positive unconditional: 85, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 290, positive: 269, positive conditional: 184, positive unconditional: 85, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1897, Positive cache size: 1835, Positive conditional cache size: 28, Positive unconditional cache size: 1807, Negative cache size: 62, Negative conditional cache size: 4, Negative unconditional cache size: 58, Eliminated conditions: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 106.5ms, 75 PlacesBefore, 75 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 1194 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 781 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 273, positive: 253, positive conditional: 253, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 273, positive: 253, positive conditional: 137, positive unconditional: 116, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 273, positive: 253, positive conditional: 137, positive unconditional: 116, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 4, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 273, positive: 248, positive conditional: 133, positive unconditional: 115, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 5, unknown conditional: 4, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1902, Positive cache size: 1840, Positive conditional cache size: 32, Positive unconditional cache size: 1808, Negative cache size: 62, Negative conditional cache size: 4, Negative unconditional cache size: 58, Eliminated conditions: 39 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.1ms, 84 PlacesBefore, 84 PlacesAfterwards, 71 TransitionsBefore, 71 TransitionsAfterwards, 1222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 860 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 513, positive: 492, positive conditional: 492, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 513, positive: 492, positive conditional: 339, positive unconditional: 153, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 513, positive: 492, positive conditional: 339, positive unconditional: 153, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 3, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 513, positive: 487, positive conditional: 336, positive unconditional: 151, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1907, Positive cache size: 1845, Positive conditional cache size: 35, Positive unconditional cache size: 1810, Negative cache size: 62, Negative conditional cache size: 4, Negative unconditional cache size: 58, Eliminated conditions: 43 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1506.8ms, 91 PlacesBefore, 91 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 1662 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 856 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 252, positive: 236, positive conditional: 236, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 252, positive: 236, positive conditional: 168, positive unconditional: 68, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 252, positive: 236, positive conditional: 168, positive unconditional: 68, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 252, positive: 233, positive conditional: 165, positive unconditional: 68, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1910, Positive cache size: 1848, Positive conditional cache size: 38, Positive unconditional cache size: 1810, Negative cache size: 62, Negative conditional cache size: 4, Negative unconditional cache size: 58, Eliminated conditions: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4929.7ms, 98 PlacesBefore, 95 PlacesAfterwards, 80 TransitionsBefore, 74 TransitionsAfterwards, 1636 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 1594 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 724, positive: 694, positive conditional: 694, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 724, positive: 694, positive conditional: 572, positive unconditional: 122, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 724, positive: 694, positive conditional: 572, positive unconditional: 122, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 31, positive: 31, positive conditional: 29, 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: 31, positive: 31, positive conditional: 0, positive unconditional: 31, 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: 724, positive: 663, positive conditional: 543, positive unconditional: 120, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 31, unknown conditional: 29, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1941, Positive cache size: 1879, Positive conditional cache size: 67, Positive unconditional cache size: 1812, Negative cache size: 62, Negative conditional cache size: 4, Negative unconditional cache size: 58, Eliminated conditions: 56 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 719.0ms, 77 PlacesBefore, 65 PlacesAfterwards, 41 TransitionsBefore, 38 TransitionsAfterwards, 396 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 143 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113, positive: 109, positive conditional: 109, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 117, positive: 109, positive conditional: 40, positive unconditional: 69, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 109, positive conditional: 40, positive unconditional: 69, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23, positive: 21, positive conditional: 6, positive unconditional: 15, 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: 23, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 117, positive: 88, positive conditional: 34, positive unconditional: 54, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 23, unknown conditional: 6, unknown unconditional: 17] , Statistics on independence cache: Total cache size (in pairs): 1964, Positive cache size: 1900, Positive conditional cache size: 73, Positive unconditional cache size: 1827, Negative cache size: 64, Negative conditional cache size: 4, Negative unconditional cache size: 60, Eliminated conditions: 61 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_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 t1181; [L847] FCALL, FORK 0 pthread_create(&t1181, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_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 t1182; [L849] FCALL, FORK 0 pthread_create(&t1182, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_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 t1183; [L851] FCALL, FORK 0 pthread_create(&t1183, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_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 t1184; [L853] FCALL, FORK 0 pthread_create(&t1184, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_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$r_buff0_thd4 = (_Bool)1 [L815] 4 a = 1 [L818] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$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_p1_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 VAL [__unbuffered_cnt=0, __unbuffered_p1_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] [L755] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L767] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=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] [L785] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, 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$r_buff1_thd3 [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 1 return 0; [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 2 return 0; [L795] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 3 return 0; [L831] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L833] 4 return 0; [L855] 0 main$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$w_buff0)) [L871] 0 z$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$w_buff1)) [L872] 0 z$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] 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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 z$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] 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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L878] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L878] 0 z = z$flush_delayed ? z$mem_tmp : z [L879] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=255, x=2, y=1, 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: 3.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 25237.4ms, OverallIterations: 17, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2067.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8221.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 66 SDtfs, 56 SDslu, 44 SDs, 0 SdLazy, 475 SolverSat, 116 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 413.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 420.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=698occurred in iteration=14, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 38.8ms SsaConstructionTime, 390.2ms SatisfiabilityAnalysisTime, 986.7ms InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 267 ConstructedInterpolants, 0 QuantifiedInterpolants, 1553 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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...