/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/safe034_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 16:28:05,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 16:28:05,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 16:28:05,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 16:28:05,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 16:28:05,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 16:28:05,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 16:28:05,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 16:28:05,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 16:28:05,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 16:28:05,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 16:28:05,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 16:28:05,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 16:28:05,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 16:28:05,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 16:28:05,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 16:28:05,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 16:28:05,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 16:28:05,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 16:28:05,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 16:28:05,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 16:28:05,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 16:28:05,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 16:28:05,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 16:28:05,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-11 16:28:05,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 16:28:05,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 16:28:05,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 16:28:05,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 16:28:05,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 16:28:05,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 16:28:05,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 16:28:05,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 16:28:05,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 16:28:05,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 16:28:05,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 16:28:05,160 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 [2021-06-11 16:28:05,186 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 16:28:05,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 16:28:05,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 16:28:05,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 16:28:05,189 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 16:28:05,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 16:28:05,189 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 16:28:05,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 16:28:05,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 16:28:05,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 16:28:05,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 16:28:05,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 16:28:05,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 16:28:05,191 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 16:28:05,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 16:28:05,191 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 16:28:05,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 16:28:05,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 16:28:05,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 16:28:05,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 16:28:05,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 16:28:05,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 16:28:05,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 16:28:05,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 16:28:05,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 16:28:05,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 16:28:05,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 16:28:05,192 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 16:28:05,192 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 16:28:05,192 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 16:28:05,192 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 16:28:05,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 16:28:05,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 16:28:05,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 16:28:05,476 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 16:28:05,477 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 16:28:05,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.opt.i [2021-06-11 16:28:05,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56b3803ec/459be0dd511741ffacb31d9c2e900e32/FLAG65fc27149 [2021-06-11 16:28:05,965 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 16:28:05,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe034_tso.opt.i [2021-06-11 16:28:05,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56b3803ec/459be0dd511741ffacb31d9c2e900e32/FLAG65fc27149 [2021-06-11 16:28:05,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56b3803ec/459be0dd511741ffacb31d9c2e900e32 [2021-06-11 16:28:05,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 16:28:05,998 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 16:28:06,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 16:28:06,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 16:28:06,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 16:28:06,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 04:28:05" (1/1) ... [2021-06-11 16:28:06,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd8fe76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:28:06, skipping insertion in model container [2021-06-11 16:28:06,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 04:28:05" (1/1) ... [2021-06-11 16:28:06,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 16:28:06,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 16:28:06,195 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/safe034_tso.opt.i[949,962] [2021-06-11 16:28:06,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 16:28:06,331 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 16:28:06,339 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/safe034_tso.opt.i[949,962] [2021-06-11 16:28:06,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 16:28:06,420 INFO L208 MainTranslator]: Completed translation [2021-06-11 16:28:06,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:28:06 WrapperNode [2021-06-11 16:28:06,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 16:28:06,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 16:28:06,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 16:28:06,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 16:28:06,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:28:06" (1/1) ... [2021-06-11 16:28:06,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:28:06" (1/1) ... [2021-06-11 16:28:06,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 16:28:06,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 16:28:06,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 16:28:06,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 16:28:06,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:28:06" (1/1) ... [2021-06-11 16:28:06,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:28:06" (1/1) ... [2021-06-11 16:28:06,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:28:06" (1/1) ... [2021-06-11 16:28:06,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:28:06" (1/1) ... [2021-06-11 16:28:06,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:28:06" (1/1) ... [2021-06-11 16:28:06,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:28:06" (1/1) ... [2021-06-11 16:28:06,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:28:06" (1/1) ... [2021-06-11 16:28:06,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 16:28:06,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 16:28:06,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 16:28:06,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 16:28:06,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:28:06" (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 [2021-06-11 16:28:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 16:28:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 16:28:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 16:28:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 16:28:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 16:28:06,552 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 16:28:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 16:28:06,552 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 16:28:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 16:28:06,553 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 16:28:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 16:28:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 16:28:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 16:28:06,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 16:28:06,554 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 16:28:06,781 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 16:28:06,781 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-11 16:28:06,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 04:28:06 BoogieIcfgContainer [2021-06-11 16:28:06,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 16:28:06,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 16:28:06,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 16:28:06,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 16:28:06,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 04:28:05" (1/3) ... [2021-06-11 16:28:06,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611f4ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 04:28:06, skipping insertion in model container [2021-06-11 16:28:06,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:28:06" (2/3) ... [2021-06-11 16:28:06,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611f4ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 04:28:06, skipping insertion in model container [2021-06-11 16:28:06,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 04:28:06" (3/3) ... [2021-06-11 16:28:06,788 INFO L111 eAbstractionObserver]: Analyzing ICFG safe034_tso.opt.i [2021-06-11 16:28:06,791 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 16:28:06,794 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 16:28:06,794 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 16:28:06,840 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,840 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,840 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,840 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,840 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,841 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,841 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,842 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,842 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,842 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,842 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,843 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,843 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,844 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,844 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,846 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,846 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,846 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,846 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,851 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,851 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,851 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,851 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,853 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,853 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:28:06,856 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 16:28:06,869 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-11 16:28:06,882 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 16:28:06,882 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 16:28:06,882 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 16:28:06,882 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 16:28:06,883 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 16:28:06,883 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 16:28:06,883 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 16:28:06,883 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 16:28:06,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 75 transitions, 165 flow [2021-06-11 16:28:06,932 INFO L129 PetriNetUnfolder]: 2/72 cut-off events. [2021-06-11 16:28:06,932 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:28:06,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 72 events. 2/72 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 53 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-06-11 16:28:06,935 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 75 transitions, 165 flow [2021-06-11 16:28:06,940 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 60 transitions, 129 flow [2021-06-11 16:28:06,941 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:28:06,950 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 60 transitions, 129 flow [2021-06-11 16:28:06,955 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 60 transitions, 129 flow [2021-06-11 16:28:06,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 60 transitions, 129 flow [2021-06-11 16:28:06,975 INFO L129 PetriNetUnfolder]: 1/60 cut-off events. [2021-06-11 16:28:06,975 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:28:06,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 60 events. 1/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2021-06-11 16:28:06,979 INFO L151 LiptonReduction]: Number of co-enabled transitions 864 [2021-06-11 16:28:07,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:07,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:28:07,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:28:07,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:28:07,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:07,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:07,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:07,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:28:07,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:28:07,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:28:07,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:07,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:07,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:07,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:07,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:28:07,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:28:07,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:28:07,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:07,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:28:07,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:28:07,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:28:07,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:07,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:07,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:07,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:07,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:28:07,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 16:28:07,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:28:07,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,780 INFO L147 QuantifierPusher]: treesize reduction 22, result has 4.3 percent of original size 1 [2021-06-11 16:28:07,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:07,829 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 16:28:07,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:07,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:28:07,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:28:07,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:28:07,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:07,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:07,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:07,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:08,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:08,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:08,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:08,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:08,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:08,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:08,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:08,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:28:08,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:08,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:08,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:08,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:08,636 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-06-11 16:28:08,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:08,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:28:08,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:08,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:28:08,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 16:28:08,845 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-06-11 16:28:09,041 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-06-11 16:28:09,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:09,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:28:09,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:09,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:28:09,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:28:09,109 INFO L163 LiptonReduction]: Checked pairs total: 1840 [2021-06-11 16:28:09,109 INFO L165 LiptonReduction]: Total number of compositions: 47 [2021-06-11 16:28:09,110 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2170 [2021-06-11 16:28:09,116 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2021-06-11 16:28:09,116 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:28:09,116 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:28:09,116 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:28:09,117 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:28:09,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:28:09,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1374352023, now seen corresponding path program 1 times [2021-06-11 16:28:09,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:28:09,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935307248] [2021-06-11 16:28:09,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:28:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:28:09,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:09,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:09,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:28:09,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935307248] [2021-06-11 16:28:09,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:28:09,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 16:28:09,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848694785] [2021-06-11 16:28:09,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-11 16:28:09,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:28:09,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-11 16:28:09,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-11 16:28:09,225 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 122 [2021-06-11 16:28:09,226 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 18 transitions, 45 flow. Second operand has 2 states, 2 states have (on average 115.5) internal successors, (231), 2 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:28:09,227 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 122 [2021-06-11 16:28:09,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:28:09,231 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2021-06-11 16:28:09,232 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:28:09,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28 conditions, 17 events. 0/17 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 1/18 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-06-11 16:28:09,232 INFO L132 encePairwiseOnDemand]: 121/122 looper letters, 0 selfloop transitions, 0 changer transitions 0/17 dead transitions. [2021-06-11 16:28:09,232 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 17 transitions, 43 flow [2021-06-11 16:28:09,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-11 16:28:09,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-06-11 16:28:09,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 231 transitions. [2021-06-11 16:28:09,240 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9467213114754098 [2021-06-11 16:28:09,240 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 231 transitions. [2021-06-11 16:28:09,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 231 transitions. [2021-06-11 16:28:09,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:28:09,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 231 transitions. [2021-06-11 16:28:09,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 115.5) internal successors, (231), 2 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,247 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,248 INFO L185 Difference]: Start difference. First operand has 27 places, 18 transitions, 45 flow. Second operand 2 states and 231 transitions. [2021-06-11 16:28:09,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 17 transitions, 43 flow [2021-06-11 16:28:09,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 17 transitions, 40 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 16:28:09,250 INFO L241 Difference]: Finished difference. Result has 25 places, 17 transitions, 40 flow [2021-06-11 16:28:09,251 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=40, PETRI_PLACES=25, PETRI_TRANSITIONS=17} [2021-06-11 16:28:09,252 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, -2 predicate places. [2021-06-11 16:28:09,252 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:28:09,252 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 17 transitions, 40 flow [2021-06-11 16:28:09,252 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 25 places, 17 transitions, 40 flow [2021-06-11 16:28:09,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 17 transitions, 40 flow [2021-06-11 16:28:09,255 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2021-06-11 16:28:09,255 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:28:09,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24 conditions, 17 events. 0/17 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 16 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-06-11 16:28:09,255 INFO L151 LiptonReduction]: Number of co-enabled transitions 126 [2021-06-11 16:28:09,263 INFO L163 LiptonReduction]: Checked pairs total: 138 [2021-06-11 16:28:09,263 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:28:09,263 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-06-11 16:28:09,264 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 17 transitions, 40 flow [2021-06-11 16:28:09,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 115.5) internal successors, (231), 2 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,264 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:28:09,264 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:28:09,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 16:28:09,264 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:28:09,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:28:09,264 INFO L82 PathProgramCache]: Analyzing trace with hash -344760304, now seen corresponding path program 1 times [2021-06-11 16:28:09,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:28:09,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646376600] [2021-06-11 16:28:09,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:28:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:28:09,366 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-11 16:28:09,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:28:09,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:28:09,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646376600] [2021-06-11 16:28:09,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:28:09,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 16:28:09,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356652226] [2021-06-11 16:28:09,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 16:28:09,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:28:09,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 16:28:09,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 16:28:09,380 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 122 [2021-06-11 16:28:09,380 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 17 transitions, 40 flow. Second operand has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,381 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:28:09,381 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 122 [2021-06-11 16:28:09,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:28:09,415 INFO L129 PetriNetUnfolder]: 24/86 cut-off events. [2021-06-11 16:28:09,416 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:28:09,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 86 events. 24/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 366 event pairs, 10 based on Foata normal form. 7/86 useless extension candidates. Maximal degree in co-relation 143. Up to 45 conditions per place. [2021-06-11 16:28:09,417 INFO L132 encePairwiseOnDemand]: 116/122 looper letters, 5 selfloop transitions, 5 changer transitions 0/21 dead transitions. [2021-06-11 16:28:09,417 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 21 transitions, 68 flow [2021-06-11 16:28:09,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 16:28:09,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 16:28:09,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 293 transitions. [2021-06-11 16:28:09,421 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8005464480874317 [2021-06-11 16:28:09,422 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 293 transitions. [2021-06-11 16:28:09,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 293 transitions. [2021-06-11 16:28:09,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:28:09,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 293 transitions. [2021-06-11 16:28:09,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,426 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,426 INFO L185 Difference]: Start difference. First operand has 24 places, 17 transitions, 40 flow. Second operand 3 states and 293 transitions. [2021-06-11 16:28:09,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 21 transitions, 68 flow [2021-06-11 16:28:09,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 21 transitions, 68 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 16:28:09,427 INFO L241 Difference]: Finished difference. Result has 28 places, 21 transitions, 78 flow [2021-06-11 16:28:09,427 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=28, PETRI_TRANSITIONS=21} [2021-06-11 16:28:09,427 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 1 predicate places. [2021-06-11 16:28:09,427 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:28:09,428 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 21 transitions, 78 flow [2021-06-11 16:28:09,428 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 21 transitions, 78 flow [2021-06-11 16:28:09,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 21 transitions, 78 flow [2021-06-11 16:28:09,436 INFO L129 PetriNetUnfolder]: 24/85 cut-off events. [2021-06-11 16:28:09,436 INFO L130 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2021-06-11 16:28:09,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 85 events. 24/85 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 358 event pairs, 6 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 166. Up to 45 conditions per place. [2021-06-11 16:28:09,437 INFO L151 LiptonReduction]: Number of co-enabled transitions 144 [2021-06-11 16:28:09,439 INFO L163 LiptonReduction]: Checked pairs total: 57 [2021-06-11 16:28:09,440 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:28:09,440 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-06-11 16:28:09,441 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 21 transitions, 78 flow [2021-06-11 16:28:09,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,442 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:28:09,442 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:28:09,442 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 16:28:09,442 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:28:09,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:28:09,442 INFO L82 PathProgramCache]: Analyzing trace with hash -722907912, now seen corresponding path program 1 times [2021-06-11 16:28:09,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:28:09,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094118532] [2021-06-11 16:28:09,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:28:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:28:09,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:09,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:28:09,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:09,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 16:28:09,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:28:09,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094118532] [2021-06-11 16:28:09,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:28:09,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:28:09,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329397361] [2021-06-11 16:28:09,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:28:09,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:28:09,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:28:09,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:28:09,518 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 122 [2021-06-11 16:28:09,518 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 21 transitions, 78 flow. Second operand has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,519 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:28:09,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 122 [2021-06-11 16:28:09,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:28:09,565 INFO L129 PetriNetUnfolder]: 95/230 cut-off events. [2021-06-11 16:28:09,565 INFO L130 PetriNetUnfolder]: For 52/78 co-relation queries the response was YES. [2021-06-11 16:28:09,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 511 conditions, 230 events. 95/230 cut-off events. For 52/78 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 1289 event pairs, 37 based on Foata normal form. 33/242 useless extension candidates. Maximal degree in co-relation 500. Up to 137 conditions per place. [2021-06-11 16:28:09,567 INFO L132 encePairwiseOnDemand]: 116/122 looper letters, 8 selfloop transitions, 8 changer transitions 0/31 dead transitions. [2021-06-11 16:28:09,567 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 31 transitions, 130 flow [2021-06-11 16:28:09,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 16:28:09,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 16:28:09,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 468 transitions. [2021-06-11 16:28:09,568 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7672131147540984 [2021-06-11 16:28:09,569 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 468 transitions. [2021-06-11 16:28:09,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 468 transitions. [2021-06-11 16:28:09,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:28:09,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 468 transitions. [2021-06-11 16:28:09,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 93.6) internal successors, (468), 5 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,571 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,571 INFO L185 Difference]: Start difference. First operand has 28 places, 21 transitions, 78 flow. Second operand 5 states and 468 transitions. [2021-06-11 16:28:09,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 31 transitions, 130 flow [2021-06-11 16:28:09,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 31 transitions, 120 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 16:28:09,573 INFO L241 Difference]: Finished difference. Result has 33 places, 28 transitions, 128 flow [2021-06-11 16:28:09,573 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=128, PETRI_PLACES=33, PETRI_TRANSITIONS=28} [2021-06-11 16:28:09,573 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 6 predicate places. [2021-06-11 16:28:09,574 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:28:09,574 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 28 transitions, 128 flow [2021-06-11 16:28:09,574 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 28 transitions, 128 flow [2021-06-11 16:28:09,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 28 transitions, 128 flow [2021-06-11 16:28:09,586 INFO L129 PetriNetUnfolder]: 98/230 cut-off events. [2021-06-11 16:28:09,586 INFO L130 PetriNetUnfolder]: For 174/216 co-relation queries the response was YES. [2021-06-11 16:28:09,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 230 events. 98/230 cut-off events. For 174/216 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 1232 event pairs, 34 based on Foata normal form. 7/216 useless extension candidates. Maximal degree in co-relation 627. Up to 140 conditions per place. [2021-06-11 16:28:09,590 INFO L151 LiptonReduction]: Number of co-enabled transitions 224 [2021-06-11 16:28:09,591 INFO L163 LiptonReduction]: Checked pairs total: 64 [2021-06-11 16:28:09,591 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:28:09,592 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-06-11 16:28:09,592 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 28 transitions, 128 flow [2021-06-11 16:28:09,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,593 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:28:09,593 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:28:09,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-11 16:28:09,593 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:28:09,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:28:09,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1624660718, now seen corresponding path program 1 times [2021-06-11 16:28:09,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:28:09,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10853184] [2021-06-11 16:28:09,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:28:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:28:09,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:09,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:28:09,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:09,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:28:09,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:09,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 16:28:09,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:28:09,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10853184] [2021-06-11 16:28:09,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:28:09,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:28:09,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168949834] [2021-06-11 16:28:09,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 16:28:09,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:28:09,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 16:28:09,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 16:28:09,653 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 122 [2021-06-11 16:28:09,654 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 28 transitions, 128 flow. Second operand has 5 states, 5 states have (on average 90.8) internal successors, (454), 5 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,654 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:28:09,654 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 122 [2021-06-11 16:28:09,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:28:09,712 INFO L129 PetriNetUnfolder]: 63/185 cut-off events. [2021-06-11 16:28:09,713 INFO L130 PetriNetUnfolder]: For 340/594 co-relation queries the response was YES. [2021-06-11 16:28:09,713 INFO L84 FinitePrefix]: Finished finitePrefix Result has 657 conditions, 185 events. 63/185 cut-off events. For 340/594 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1053 event pairs, 7 based on Foata normal form. 102/272 useless extension candidates. Maximal degree in co-relation 643. Up to 128 conditions per place. [2021-06-11 16:28:09,714 INFO L132 encePairwiseOnDemand]: 116/122 looper letters, 5 selfloop transitions, 15 changer transitions 3/38 dead transitions. [2021-06-11 16:28:09,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 38 transitions, 232 flow [2021-06-11 16:28:09,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 16:28:09,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 16:28:09,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 655 transitions. [2021-06-11 16:28:09,716 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7669789227166276 [2021-06-11 16:28:09,716 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 655 transitions. [2021-06-11 16:28:09,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 655 transitions. [2021-06-11 16:28:09,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:28:09,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 655 transitions. [2021-06-11 16:28:09,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 93.57142857142857) internal successors, (655), 7 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 122.0) internal successors, (976), 8 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,719 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 122.0) internal successors, (976), 8 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,719 INFO L185 Difference]: Start difference. First operand has 33 places, 28 transitions, 128 flow. Second operand 7 states and 655 transitions. [2021-06-11 16:28:09,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 38 transitions, 232 flow [2021-06-11 16:28:09,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 38 transitions, 228 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 16:28:09,722 INFO L241 Difference]: Finished difference. Result has 41 places, 35 transitions, 223 flow [2021-06-11 16:28:09,722 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=223, PETRI_PLACES=41, PETRI_TRANSITIONS=35} [2021-06-11 16:28:09,722 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 14 predicate places. [2021-06-11 16:28:09,722 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:28:09,722 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 35 transitions, 223 flow [2021-06-11 16:28:09,723 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 35 transitions, 223 flow [2021-06-11 16:28:09,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 35 transitions, 223 flow [2021-06-11 16:28:09,733 INFO L129 PetriNetUnfolder]: 55/170 cut-off events. [2021-06-11 16:28:09,734 INFO L130 PetriNetUnfolder]: For 511/642 co-relation queries the response was YES. [2021-06-11 16:28:09,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 668 conditions, 170 events. 55/170 cut-off events. For 511/642 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 953 event pairs, 5 based on Foata normal form. 8/166 useless extension candidates. Maximal degree in co-relation 652. Up to 114 conditions per place. [2021-06-11 16:28:09,735 INFO L151 LiptonReduction]: Number of co-enabled transitions 278 [2021-06-11 16:28:09,737 INFO L163 LiptonReduction]: Checked pairs total: 76 [2021-06-11 16:28:09,738 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:28:09,738 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-06-11 16:28:09,738 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 35 transitions, 223 flow [2021-06-11 16:28:09,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 90.8) internal successors, (454), 5 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,739 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:28:09,739 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:28:09,739 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-11 16:28:09,739 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:28:09,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:28:09,739 INFO L82 PathProgramCache]: Analyzing trace with hash 603327006, now seen corresponding path program 1 times [2021-06-11 16:28:09,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:28:09,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594159524] [2021-06-11 16:28:09,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:28:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:28:09,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:09,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:09,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:09,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:28:09,773 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-11 16:28:09,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:28:09,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:28:09,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594159524] [2021-06-11 16:28:09,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:28:09,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:28:09,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716667651] [2021-06-11 16:28:09,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:28:09,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:28:09,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:28:09,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:28:09,781 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 122 [2021-06-11 16:28:09,781 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 35 transitions, 223 flow. Second operand has 4 states, 4 states have (on average 90.5) internal successors, (362), 4 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,781 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:28:09,781 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 122 [2021-06-11 16:28:09,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:28:09,826 INFO L129 PetriNetUnfolder]: 86/265 cut-off events. [2021-06-11 16:28:09,826 INFO L130 PetriNetUnfolder]: For 903/1108 co-relation queries the response was YES. [2021-06-11 16:28:09,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1084 conditions, 265 events. 86/265 cut-off events. For 903/1108 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 1726 event pairs, 4 based on Foata normal form. 23/272 useless extension candidates. Maximal degree in co-relation 1066. Up to 180 conditions per place. [2021-06-11 16:28:09,828 INFO L132 encePairwiseOnDemand]: 115/122 looper letters, 9 selfloop transitions, 11 changer transitions 0/44 dead transitions. [2021-06-11 16:28:09,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 44 transitions, 305 flow [2021-06-11 16:28:09,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 16:28:09,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 16:28:09,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 464 transitions. [2021-06-11 16:28:09,830 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.760655737704918 [2021-06-11 16:28:09,830 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 464 transitions. [2021-06-11 16:28:09,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 464 transitions. [2021-06-11 16:28:09,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:28:09,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 464 transitions. [2021-06-11 16:28:09,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 92.8) internal successors, (464), 5 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,832 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,832 INFO L185 Difference]: Start difference. First operand has 41 places, 35 transitions, 223 flow. Second operand 5 states and 464 transitions. [2021-06-11 16:28:09,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 44 transitions, 305 flow [2021-06-11 16:28:09,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 44 transitions, 270 flow, removed 13 selfloop flow, removed 2 redundant places. [2021-06-11 16:28:09,837 INFO L241 Difference]: Finished difference. Result has 46 places, 42 transitions, 263 flow [2021-06-11 16:28:09,837 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=263, PETRI_PLACES=46, PETRI_TRANSITIONS=42} [2021-06-11 16:28:09,837 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 19 predicate places. [2021-06-11 16:28:09,837 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:28:09,837 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 42 transitions, 263 flow [2021-06-11 16:28:09,837 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 42 transitions, 263 flow [2021-06-11 16:28:09,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 42 transitions, 263 flow [2021-06-11 16:28:09,850 INFO L129 PetriNetUnfolder]: 81/245 cut-off events. [2021-06-11 16:28:09,850 INFO L130 PetriNetUnfolder]: For 462/504 co-relation queries the response was YES. [2021-06-11 16:28:09,851 INFO L84 FinitePrefix]: Finished finitePrefix Result has 830 conditions, 245 events. 81/245 cut-off events. For 462/504 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 1603 event pairs, 4 based on Foata normal form. 8/239 useless extension candidates. Maximal degree in co-relation 810. Up to 69 conditions per place. [2021-06-11 16:28:09,852 INFO L151 LiptonReduction]: Number of co-enabled transitions 392 [2021-06-11 16:28:09,855 INFO L163 LiptonReduction]: Checked pairs total: 88 [2021-06-11 16:28:09,855 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:28:09,855 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-06-11 16:28:09,855 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 42 transitions, 263 flow [2021-06-11 16:28:09,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 90.5) internal successors, (362), 4 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,856 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:28:09,856 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:28:09,856 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 16:28:09,856 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:28:09,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:28:09,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1889558070, now seen corresponding path program 2 times [2021-06-11 16:28:09,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:28:09,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281805074] [2021-06-11 16:28:09,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:28:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:28:09,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:09,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:28:09,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:09,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:28:09,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:09,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:28:09,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:09,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 16:28:09,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:28:09,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281805074] [2021-06-11 16:28:09,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:28:09,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 16:28:09,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955076520] [2021-06-11 16:28:09,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 16:28:09,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:28:09,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 16:28:09,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 16:28:09,890 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 122 [2021-06-11 16:28:09,891 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 263 flow. Second operand has 6 states, 6 states have (on average 90.83333333333333) internal successors, (545), 6 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:28:09,891 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 122 [2021-06-11 16:28:09,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:28:09,959 INFO L129 PetriNetUnfolder]: 76/245 cut-off events. [2021-06-11 16:28:09,959 INFO L130 PetriNetUnfolder]: For 745/1050 co-relation queries the response was YES. [2021-06-11 16:28:09,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 996 conditions, 245 events. 76/245 cut-off events. For 745/1050 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 1645 event pairs, 0 based on Foata normal form. 155/383 useless extension candidates. Maximal degree in co-relation 974. Up to 80 conditions per place. [2021-06-11 16:28:09,961 INFO L132 encePairwiseOnDemand]: 116/122 looper letters, 2 selfloop transitions, 17 changer transitions 6/46 dead transitions. [2021-06-11 16:28:09,961 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 46 transitions, 341 flow [2021-06-11 16:28:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 16:28:09,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 16:28:09,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 836 transitions. [2021-06-11 16:28:09,962 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.761384335154827 [2021-06-11 16:28:09,962 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 836 transitions. [2021-06-11 16:28:09,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 836 transitions. [2021-06-11 16:28:09,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:28:09,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 836 transitions. [2021-06-11 16:28:09,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 92.88888888888889) internal successors, (836), 9 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 122.0) internal successors, (1220), 10 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,965 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 122.0) internal successors, (1220), 10 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,965 INFO L185 Difference]: Start difference. First operand has 46 places, 42 transitions, 263 flow. Second operand 9 states and 836 transitions. [2021-06-11 16:28:09,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 46 transitions, 341 flow [2021-06-11 16:28:09,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 46 transitions, 341 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 16:28:09,968 INFO L241 Difference]: Finished difference. Result has 57 places, 40 transitions, 301 flow [2021-06-11 16:28:09,969 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=263, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=301, PETRI_PLACES=57, PETRI_TRANSITIONS=40} [2021-06-11 16:28:09,969 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 30 predicate places. [2021-06-11 16:28:09,969 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:28:09,969 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 40 transitions, 301 flow [2021-06-11 16:28:09,969 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 40 transitions, 301 flow [2021-06-11 16:28:09,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 40 transitions, 301 flow [2021-06-11 16:28:09,979 INFO L129 PetriNetUnfolder]: 45/185 cut-off events. [2021-06-11 16:28:09,979 INFO L130 PetriNetUnfolder]: For 572/625 co-relation queries the response was YES. [2021-06-11 16:28:09,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 771 conditions, 185 events. 45/185 cut-off events. For 572/625 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1201 event pairs, 0 based on Foata normal form. 9/184 useless extension candidates. Maximal degree in co-relation 746. Up to 67 conditions per place. [2021-06-11 16:28:09,981 INFO L151 LiptonReduction]: Number of co-enabled transitions 336 [2021-06-11 16:28:09,984 INFO L163 LiptonReduction]: Checked pairs total: 72 [2021-06-11 16:28:09,984 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:28:09,984 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-06-11 16:28:09,984 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 40 transitions, 301 flow [2021-06-11 16:28:09,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 90.83333333333333) internal successors, (545), 6 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:09,985 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:28:09,985 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:28:09,985 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 16:28:09,985 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:28:09,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:28:09,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1858267506, now seen corresponding path program 1 times [2021-06-11 16:28:09,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:28:09,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805207863] [2021-06-11 16:28:09,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:28:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:28:10,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:10,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:10,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:10,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:28:10,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:28:10,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805207863] [2021-06-11 16:28:10,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:28:10,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:28:10,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203637901] [2021-06-11 16:28:10,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 16:28:10,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:28:10,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 16:28:10,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 16:28:10,006 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 122 [2021-06-11 16:28:10,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 40 transitions, 301 flow. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:10,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:28:10,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 122 [2021-06-11 16:28:10,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:28:10,025 INFO L129 PetriNetUnfolder]: 63/260 cut-off events. [2021-06-11 16:28:10,026 INFO L130 PetriNetUnfolder]: For 967/1072 co-relation queries the response was YES. [2021-06-11 16:28:10,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1111 conditions, 260 events. 63/260 cut-off events. For 967/1072 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 1893 event pairs, 0 based on Foata normal form. 11/256 useless extension candidates. Maximal degree in co-relation 1084. Up to 100 conditions per place. [2021-06-11 16:28:10,027 INFO L132 encePairwiseOnDemand]: 119/122 looper letters, 2 selfloop transitions, 3 changer transitions 8/42 dead transitions. [2021-06-11 16:28:10,027 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 42 transitions, 336 flow [2021-06-11 16:28:10,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 16:28:10,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 16:28:10,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 306 transitions. [2021-06-11 16:28:10,028 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8360655737704918 [2021-06-11 16:28:10,028 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 306 transitions. [2021-06-11 16:28:10,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 306 transitions. [2021-06-11 16:28:10,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:28:10,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 306 transitions. [2021-06-11 16:28:10,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:10,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:10,030 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:10,030 INFO L185 Difference]: Start difference. First operand has 56 places, 40 transitions, 301 flow. Second operand 3 states and 306 transitions. [2021-06-11 16:28:10,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 42 transitions, 336 flow [2021-06-11 16:28:10,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 42 transitions, 280 flow, removed 13 selfloop flow, removed 8 redundant places. [2021-06-11 16:28:10,034 INFO L241 Difference]: Finished difference. Result has 51 places, 34 transitions, 214 flow [2021-06-11 16:28:10,034 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=51, PETRI_TRANSITIONS=34} [2021-06-11 16:28:10,034 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 24 predicate places. [2021-06-11 16:28:10,034 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:28:10,034 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 34 transitions, 214 flow [2021-06-11 16:28:10,035 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 34 transitions, 214 flow [2021-06-11 16:28:10,035 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 34 transitions, 214 flow [2021-06-11 16:28:10,039 INFO L129 PetriNetUnfolder]: 19/82 cut-off events. [2021-06-11 16:28:10,039 INFO L130 PetriNetUnfolder]: For 135/151 co-relation queries the response was YES. [2021-06-11 16:28:10,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 82 events. 19/82 cut-off events. For 135/151 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 368 event pairs, 0 based on Foata normal form. 4/83 useless extension candidates. Maximal degree in co-relation 262. Up to 23 conditions per place. [2021-06-11 16:28:10,040 INFO L151 LiptonReduction]: Number of co-enabled transitions 128 [2021-06-11 16:28:10,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:10,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:10,060 INFO L163 LiptonReduction]: Checked pairs total: 2 [2021-06-11 16:28:10,060 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 16:28:10,060 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-06-11 16:28:10,060 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 33 transitions, 212 flow [2021-06-11 16:28:10,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:10,061 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:28:10,061 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:28:10,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 16:28:10,061 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:28:10,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:28:10,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1278591580, now seen corresponding path program 2 times [2021-06-11 16:28:10,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:28:10,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466402893] [2021-06-11 16:28:10,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:28:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:28:10,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:10,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:28:10,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:28:10,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:28:10,082 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-11 16:28:10,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:28:10,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:28:10,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466402893] [2021-06-11 16:28:10,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:28:10,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:28:10,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44751821] [2021-06-11 16:28:10,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:28:10,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:28:10,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:28:10,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:28:10,089 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 123 [2021-06-11 16:28:10,089 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 33 transitions, 212 flow. Second operand has 4 states, 4 states have (on average 92.75) internal successors, (371), 4 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:10,089 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:28:10,089 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 123 [2021-06-11 16:28:10,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:28:10,105 INFO L129 PetriNetUnfolder]: 19/80 cut-off events. [2021-06-11 16:28:10,105 INFO L130 PetriNetUnfolder]: For 146/162 co-relation queries the response was YES. [2021-06-11 16:28:10,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 286 conditions, 80 events. 19/80 cut-off events. For 146/162 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 332 event pairs, 0 based on Foata normal form. 6/81 useless extension candidates. Maximal degree in co-relation 262. Up to 23 conditions per place. [2021-06-11 16:28:10,106 INFO L132 encePairwiseOnDemand]: 117/123 looper letters, 0 selfloop transitions, 0 changer transitions 33/33 dead transitions. [2021-06-11 16:28:10,106 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 33 transitions, 222 flow [2021-06-11 16:28:10,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 16:28:10,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 16:28:10,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 462 transitions. [2021-06-11 16:28:10,107 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.751219512195122 [2021-06-11 16:28:10,107 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 462 transitions. [2021-06-11 16:28:10,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 462 transitions. [2021-06-11 16:28:10,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:28:10,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 462 transitions. [2021-06-11 16:28:10,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:10,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 123.0) internal successors, (738), 6 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:10,109 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 123.0) internal successors, (738), 6 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:10,109 INFO L185 Difference]: Start difference. First operand has 50 places, 33 transitions, 212 flow. Second operand 5 states and 462 transitions. [2021-06-11 16:28:10,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 33 transitions, 222 flow [2021-06-11 16:28:10,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 33 transitions, 192 flow, removed 1 selfloop flow, removed 9 redundant places. [2021-06-11 16:28:10,110 INFO L241 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2021-06-11 16:28:10,110 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0} [2021-06-11 16:28:10,110 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 17 predicate places. [2021-06-11 16:28:10,111 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:28:10,111 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 0 transitions, 0 flow [2021-06-11 16:28:10,111 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 0 transitions, 0 flow [2021-06-11 16:28:10,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-06-11 16:28:10,111 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-06-11 16:28:10,111 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:28:10,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-06-11 16:28:10,111 INFO L151 LiptonReduction]: Number of co-enabled transitions 0 [2021-06-11 16:28:10,111 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 16:28:10,111 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:28:10,111 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 0 [2021-06-11 16:28:10,112 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-06-11 16:28:10,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 92.75) internal successors, (371), 4 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:28:10,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 16:28:10,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 04:28:10 BasicIcfg [2021-06-11 16:28:10,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 16:28:10,115 INFO L168 Benchmark]: Toolchain (without parser) took 4117.18 ms. Allocated memory was 373.3 MB in the beginning and 448.8 MB in the end (delta: 75.5 MB). Free memory was 335.7 MB in the beginning and 343.6 MB in the end (delta: -7.9 MB). Peak memory consumption was 69.3 MB. Max. memory is 16.0 GB. [2021-06-11 16:28:10,115 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 373.3 MB. Free memory is still 353.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 16:28:10,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.08 ms. Allocated memory is still 373.3 MB. Free memory was 335.4 MB in the beginning and 335.2 MB in the end (delta: 230.3 kB). Peak memory consumption was 7.6 MB. Max. memory is 16.0 GB. [2021-06-11 16:28:10,116 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.11 ms. Allocated memory is still 373.3 MB. Free memory was 335.2 MB in the beginning and 333.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 16:28:10,116 INFO L168 Benchmark]: Boogie Preprocessor took 27.86 ms. Allocated memory is still 373.3 MB. Free memory was 333.1 MB in the beginning and 332.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 16:28:10,116 INFO L168 Benchmark]: RCFGBuilder took 283.45 ms. Allocated memory is still 373.3 MB. Free memory was 332.1 MB in the beginning and 306.9 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-11 16:28:10,116 INFO L168 Benchmark]: TraceAbstraction took 3330.97 ms. Allocated memory was 373.3 MB in the beginning and 448.8 MB in the end (delta: 75.5 MB). Free memory was 306.9 MB in the beginning and 343.6 MB in the end (delta: -36.7 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.0 GB. [2021-06-11 16:28:10,117 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 373.3 MB. Free memory is still 353.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 421.08 ms. Allocated memory is still 373.3 MB. Free memory was 335.4 MB in the beginning and 335.2 MB in the end (delta: 230.3 kB). Peak memory consumption was 7.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 48.11 ms. Allocated memory is still 373.3 MB. Free memory was 335.2 MB in the beginning and 333.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.86 ms. Allocated memory is still 373.3 MB. Free memory was 333.1 MB in the beginning and 332.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 283.45 ms. Allocated memory is still 373.3 MB. Free memory was 332.1 MB in the beginning and 306.9 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3330.97 ms. Allocated memory was 373.3 MB in the beginning and 448.8 MB in the end (delta: 75.5 MB). Free memory was 306.9 MB in the beginning and 343.6 MB in the end (delta: -36.7 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2153.7ms, 69 PlacesBefore, 27 PlacesAfterwards, 60 TransitionsBefore, 18 TransitionsAfterwards, 864 CoEnabledTransitionPairs, 7 FixpointIterations, 18 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 47 TotalNumberOfCompositions, 1840 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1105, positive: 1012, positive conditional: 1012, positive unconditional: 0, negative: 93, negative conditional: 93, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1105, positive: 1012, positive conditional: 0, positive unconditional: 1012, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1105, positive: 1012, positive conditional: 0, positive unconditional: 1012, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 710, positive: 675, positive conditional: 0, positive unconditional: 675, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 710, positive: 664, positive conditional: 0, positive unconditional: 664, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 124, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1105, positive: 337, positive conditional: 0, positive unconditional: 337, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 710, unknown conditional: 0, unknown unconditional: 710] , Statistics on independence cache: Total cache size (in pairs): 710, Positive cache size: 675, Positive conditional cache size: 0, Positive unconditional cache size: 675, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.3ms, 25 PlacesBefore, 24 PlacesAfterwards, 17 TransitionsBefore, 17 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 138 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63, positive: 49, positive conditional: 49, 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: 63, positive: 49, positive conditional: 0, positive unconditional: 49, 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: 63, positive: 49, positive conditional: 0, positive unconditional: 49, 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: 9, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 9, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 63, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 719, Positive cache size: 683, Positive conditional cache size: 0, Positive unconditional cache size: 683, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.1ms, 28 PlacesBefore, 28 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 57 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 720, Positive cache size: 684, Positive conditional cache size: 0, Positive unconditional cache size: 684, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.4ms, 33 PlacesBefore, 33 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 224 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 64 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, positive: 24, positive conditional: 24, 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: 28, positive: 24, positive conditional: 6, positive unconditional: 18, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 24, positive conditional: 6, positive unconditional: 18, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 28, positive: 20, positive conditional: 6, positive unconditional: 14, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 724, Positive cache size: 688, Positive conditional cache size: 0, Positive unconditional cache size: 688, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.9ms, 41 PlacesBefore, 41 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 278 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 76 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 32, positive conditional: 32, 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: 36, positive: 32, positive conditional: 20, positive unconditional: 12, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 32, positive conditional: 20, positive unconditional: 12, negative: 4, negative conditional: 0, negative unconditional: 4, 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: 36, positive: 32, positive conditional: 20, positive unconditional: 12, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 724, Positive cache size: 688, Positive conditional cache size: 0, Positive unconditional cache size: 688, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.4ms, 46 PlacesBefore, 46 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 88 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 12, positive conditional: 12, 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: 16, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, 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: 16, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 724, Positive cache size: 688, Positive conditional cache size: 0, Positive unconditional cache size: 688, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.5ms, 57 PlacesBefore, 56 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 336 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 72 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 4, 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: 8, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, 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: 8, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 724, Positive cache size: 688, Positive conditional cache size: 0, Positive unconditional cache size: 688, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.4ms, 51 PlacesBefore, 50 PlacesAfterwards, 34 TransitionsBefore, 33 TransitionsAfterwards, 128 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 725, Positive cache size: 689, Positive conditional cache size: 0, Positive unconditional cache size: 689, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5ms, 44 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 725, Positive cache size: 689, Positive conditional cache size: 0, Positive unconditional cache size: 689, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 3233.2ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 392.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2231.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 37 SDtfs, 18 SDslu, 13 SDs, 0 SdLazy, 102 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 72.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 89.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=301occurred in iteration=6, InterpolantAutomatonStates: 39, 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: 12.7ms SsaConstructionTime, 76.7ms SatisfiabilityAnalysisTime, 275.5ms InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 405 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...