/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix047_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 14:34:58,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 14:34:58,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 14:34:58,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 14:34:58,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 14:34:58,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 14:34:58,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 14:34:58,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 14:34:58,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 14:34:58,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 14:34:58,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 14:34:58,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 14:34:58,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 14:34:58,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 14:34:58,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 14:34:58,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 14:34:58,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 14:34:58,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 14:34:58,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 14:34:58,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 14:34:58,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 14:34:58,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 14:34:58,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 14:34:58,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 14:34:58,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 14:34:58,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 14:34:58,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 14:34:58,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 14:34:58,538 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2021-03-25 14:34:58,571 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 14:34:58,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 14:34:58,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 14:34:58,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 14:34:58,575 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 14:34:58,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 14:34:58,575 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 14:34:58,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 14:34:58,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 14:34:58,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 14:34:58,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 14:34:58,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 14:34:58,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 14:34:58,577 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 14:34:58,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 14:34:58,578 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 14:34:58,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 14:34:58,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 14:34:58,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 14:34:58,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 14:34:58,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 14:34:58,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 14:34:58,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 14:34:58,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 14:34:58,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 14:34:58,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 14:34:58,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 14:34:58,580 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 14:34:58,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 14:34:58,580 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 14:34:58,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 14:34:58,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 14:34:58,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 14:34:58,903 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 14:34:58,903 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 14:34:58,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix047_power.opt.i [2021-03-25 14:34:58,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f6de5862/14748e8bc9584705b70ccffe7f0580c9/FLAG7323cc312 [2021-03-25 14:34:59,438 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 14:34:59,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_power.opt.i [2021-03-25 14:34:59,466 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f6de5862/14748e8bc9584705b70ccffe7f0580c9/FLAG7323cc312 [2021-03-25 14:34:59,946 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f6de5862/14748e8bc9584705b70ccffe7f0580c9 [2021-03-25 14:34:59,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 14:34:59,949 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 14:34:59,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 14:34:59,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 14:34:59,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 14:34:59,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:34:59" (1/1) ... [2021-03-25 14:34:59,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a7f37e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:34:59, skipping insertion in model container [2021-03-25 14:34:59,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:34:59" (1/1) ... [2021-03-25 14:34:59,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 14:35:00,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 14:35:00,132 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/mix047_power.opt.i[950,963] [2021-03-25 14:35:00,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:35:00,382 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 14:35:00,393 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/mix047_power.opt.i[950,963] [2021-03-25 14:35:00,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:35:00,524 INFO L208 MainTranslator]: Completed translation [2021-03-25 14:35:00,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:35:00 WrapperNode [2021-03-25 14:35:00,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 14:35:00,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 14:35:00,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 14:35:00,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 14:35:00,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:35:00" (1/1) ... [2021-03-25 14:35:00,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:35:00" (1/1) ... [2021-03-25 14:35:00,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 14:35:00,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 14:35:00,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 14:35:00,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 14:35:00,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:35:00" (1/1) ... [2021-03-25 14:35:00,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:35:00" (1/1) ... [2021-03-25 14:35:00,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:35:00" (1/1) ... [2021-03-25 14:35:00,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:35:00" (1/1) ... [2021-03-25 14:35:00,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:35:00" (1/1) ... [2021-03-25 14:35:00,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:35:00" (1/1) ... [2021-03-25 14:35:00,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:35:00" (1/1) ... [2021-03-25 14:35:00,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 14:35:00,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 14:35:00,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 14:35:00,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 14:35:00,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:35:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 14:35:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 14:35:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 14:35:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 14:35:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 14:35:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 14:35:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 14:35:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 14:35:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 14:35:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 14:35:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 14:35:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-25 14:35:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-25 14:35:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 14:35:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 14:35:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 14:35:00,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 14:35:00,703 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 14:35:02,231 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 14:35:02,231 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 14:35:02,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:35:02 BoogieIcfgContainer [2021-03-25 14:35:02,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 14:35:02,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 14:35:02,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 14:35:02,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 14:35:02,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 02:34:59" (1/3) ... [2021-03-25 14:35:02,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150c4c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:35:02, skipping insertion in model container [2021-03-25 14:35:02,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:35:00" (2/3) ... [2021-03-25 14:35:02,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150c4c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:35:02, skipping insertion in model container [2021-03-25 14:35:02,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:35:02" (3/3) ... [2021-03-25 14:35:02,240 INFO L111 eAbstractionObserver]: Analyzing ICFG mix047_power.opt.i [2021-03-25 14:35:02,245 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 14:35:02,248 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 14:35:02,249 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 14:35:02,288 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,288 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,288 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,288 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,288 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,289 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,289 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,289 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,289 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,289 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,289 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,290 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,290 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,290 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,291 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,291 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,291 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,291 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,291 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,291 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,292 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,292 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,293 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,293 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,293 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,293 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,297 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,297 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,297 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,297 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,297 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,298 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,298 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,298 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,298 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,298 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,298 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,300 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,300 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,302 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,302 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,302 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,304 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,305 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,305 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,305 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,306 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,307 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,308 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,309 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,319 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,319 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,319 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,320 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,320 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,320 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,320 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,320 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,320 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,320 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,320 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,320 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:35:02,321 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 14:35:02,337 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 14:35:02,359 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 14:35:02,359 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 14:35:02,359 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 14:35:02,359 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 14:35:02,359 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 14:35:02,359 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 14:35:02,359 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 14:35:02,359 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 14:35:02,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 252 flow [2021-03-25 14:35:02,404 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-03-25 14:35:02,404 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:35:02,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-25 14:35:02,408 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 116 transitions, 252 flow [2021-03-25 14:35:02,412 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 112 transitions, 236 flow [2021-03-25 14:35:02,413 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:35:02,424 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 236 flow [2021-03-25 14:35:02,426 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 236 flow [2021-03-25 14:35:02,428 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 236 flow [2021-03-25 14:35:02,460 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-03-25 14:35:02,460 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:35:02,461 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 92 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-25 14:35:02,465 INFO L142 LiptonReduction]: Number of co-enabled transitions 2598 [2021-03-25 14:35:04,273 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-03-25 14:35:04,602 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-25 14:35:06,010 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-03-25 14:35:06,635 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-25 14:35:07,113 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 14:35:07,521 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-25 14:35:07,658 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 14:35:09,126 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2021-03-25 14:35:09,441 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-25 14:35:10,020 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-03-25 14:35:10,580 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-03-25 14:35:11,180 INFO L154 LiptonReduction]: Checked pairs total: 4306 [2021-03-25 14:35:11,180 INFO L156 LiptonReduction]: Total number of compositions: 75 [2021-03-25 14:35:11,182 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8770 [2021-03-25 14:35:11,191 INFO L129 PetriNetUnfolder]: 0/27 cut-off events. [2021-03-25 14:35:11,191 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:35:11,191 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:35:11,192 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:35:11,192 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:35:11,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:35:11,196 INFO L82 PathProgramCache]: Analyzing trace with hash 316096465, now seen corresponding path program 1 times [2021-03-25 14:35:11,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:35:11,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537383202] [2021-03-25 14:35:11,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:35:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:35:11,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:11,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:35:11,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:11,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:11,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:35:11,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537383202] [2021-03-25 14:35:11,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:35:11,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:35:11,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696585714] [2021-03-25 14:35:11,447 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:35:11,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:35:11,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:35:11,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:35:11,457 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 191 [2021-03-25 14:35:11,460 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:11,460 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:35:11,460 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 191 [2021-03-25 14:35:11,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:35:11,533 INFO L129 PetriNetUnfolder]: 23/109 cut-off events. [2021-03-25 14:35:11,533 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:35:11,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 109 events. 23/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 410 event pairs, 3 based on Foata normal form. 6/108 useless extension candidates. Maximal degree in co-relation 150. Up to 37 conditions per place. [2021-03-25 14:35:11,535 INFO L132 encePairwiseOnDemand]: 187/191 looper letters, 7 selfloop transitions, 2 changer transitions 6/46 dead transitions. [2021-03-25 14:35:11,536 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 46 transitions, 126 flow [2021-03-25 14:35:11,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:35:11,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:35:11,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 521 transitions. [2021-03-25 14:35:11,553 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9092495636998255 [2021-03-25 14:35:11,553 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 521 transitions. [2021-03-25 14:35:11,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 521 transitions. [2021-03-25 14:35:11,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:35:11,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 521 transitions. [2021-03-25 14:35:11,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:11,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:11,576 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:11,578 INFO L185 Difference]: Start difference. First operand has 57 places, 45 transitions, 102 flow. Second operand 3 states and 521 transitions. [2021-03-25 14:35:11,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 46 transitions, 126 flow [2021-03-25 14:35:11,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 46 transitions, 122 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 14:35:11,582 INFO L241 Difference]: Finished difference. Result has 53 places, 37 transitions, 86 flow [2021-03-25 14:35:11,584 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=53, PETRI_TRANSITIONS=37} [2021-03-25 14:35:11,584 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -4 predicate places. [2021-03-25 14:35:11,585 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:35:11,585 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 37 transitions, 86 flow [2021-03-25 14:35:11,586 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 37 transitions, 86 flow [2021-03-25 14:35:11,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 37 transitions, 86 flow [2021-03-25 14:35:11,594 INFO L129 PetriNetUnfolder]: 0/37 cut-off events. [2021-03-25 14:35:11,595 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:35:11,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 37 events. 0/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 14:35:11,595 INFO L142 LiptonReduction]: Number of co-enabled transitions 392 [2021-03-25 14:35:12,316 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2021-03-25 14:35:12,650 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-03-25 14:35:13,257 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-03-25 14:35:13,891 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-03-25 14:35:15,517 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-03-25 14:35:15,680 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-25 14:35:16,004 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-03-25 14:35:16,150 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-25 14:35:16,156 INFO L154 LiptonReduction]: Checked pairs total: 1982 [2021-03-25 14:35:16,156 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-25 14:35:16,156 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4571 [2021-03-25 14:35:16,157 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 26 transitions, 64 flow [2021-03-25 14:35:16,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:16,157 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:35:16,158 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:35:16,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 14:35:16,158 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:35:16,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:35:16,158 INFO L82 PathProgramCache]: Analyzing trace with hash -2031321782, now seen corresponding path program 1 times [2021-03-25 14:35:16,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:35:16,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739408811] [2021-03-25 14:35:16,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:35:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:35:16,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:16,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:16,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:16,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:16,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:35:16,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739408811] [2021-03-25 14:35:16,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:35:16,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:35:16,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005583393] [2021-03-25 14:35:16,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:35:16,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:35:16,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:35:16,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:35:16,349 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 202 [2021-03-25 14:35:16,350 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 26 transitions, 64 flow. Second operand has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:16,350 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:35:16,350 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 202 [2021-03-25 14:35:16,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:35:16,373 INFO L129 PetriNetUnfolder]: 3/38 cut-off events. [2021-03-25 14:35:16,374 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:35:16,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 38 events. 3/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 79 event pairs, 1 based on Foata normal form. 1/36 useless extension candidates. Maximal degree in co-relation 52. Up to 10 conditions per place. [2021-03-25 14:35:16,374 INFO L132 encePairwiseOnDemand]: 198/202 looper letters, 3 selfloop transitions, 3 changer transitions 0/28 dead transitions. [2021-03-25 14:35:16,374 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 28 transitions, 80 flow [2021-03-25 14:35:16,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:35:16,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:35:16,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 532 transitions. [2021-03-25 14:35:16,377 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8778877887788779 [2021-03-25 14:35:16,377 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 532 transitions. [2021-03-25 14:35:16,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 532 transitions. [2021-03-25 14:35:16,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:35:16,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 532 transitions. [2021-03-25 14:35:16,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:16,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:16,381 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:16,381 INFO L185 Difference]: Start difference. First operand has 37 places, 26 transitions, 64 flow. Second operand 3 states and 532 transitions. [2021-03-25 14:35:16,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 28 transitions, 80 flow [2021-03-25 14:35:16,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 28 transitions, 76 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:35:16,382 INFO L241 Difference]: Finished difference. Result has 38 places, 28 transitions, 79 flow [2021-03-25 14:35:16,382 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=79, PETRI_PLACES=38, PETRI_TRANSITIONS=28} [2021-03-25 14:35:16,383 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -19 predicate places. [2021-03-25 14:35:16,383 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:35:16,383 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 28 transitions, 79 flow [2021-03-25 14:35:16,384 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 28 transitions, 79 flow [2021-03-25 14:35:16,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 28 transitions, 79 flow [2021-03-25 14:35:16,391 INFO L129 PetriNetUnfolder]: 3/34 cut-off events. [2021-03-25 14:35:16,391 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:35:16,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 34 events. 3/34 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 71 event pairs, 1 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 49. Up to 10 conditions per place. [2021-03-25 14:35:16,392 INFO L142 LiptonReduction]: Number of co-enabled transitions 376 [2021-03-25 14:35:16,426 INFO L154 LiptonReduction]: Checked pairs total: 351 [2021-03-25 14:35:16,426 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:35:16,427 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 44 [2021-03-25 14:35:16,428 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 28 transitions, 79 flow [2021-03-25 14:35:16,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:16,429 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:35:16,429 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:35:16,429 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 14:35:16,429 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:35:16,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:35:16,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1761518447, now seen corresponding path program 1 times [2021-03-25 14:35:16,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:35:16,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758042621] [2021-03-25 14:35:16,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:35:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:35:16,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:16,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:16,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:35:16,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758042621] [2021-03-25 14:35:16,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:35:16,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 14:35:16,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229551212] [2021-03-25 14:35:16,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:35:16,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:35:16,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:35:16,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:35:16,516 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 202 [2021-03-25 14:35:16,516 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 28 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:16,517 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:35:16,517 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 202 [2021-03-25 14:35:16,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:35:16,532 INFO L129 PetriNetUnfolder]: 10/59 cut-off events. [2021-03-25 14:35:16,532 INFO L130 PetriNetUnfolder]: For 8/17 co-relation queries the response was YES. [2021-03-25 14:35:16,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 59 events. 10/59 cut-off events. For 8/17 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 176 event pairs, 3 based on Foata normal form. 1/53 useless extension candidates. Maximal degree in co-relation 98. Up to 19 conditions per place. [2021-03-25 14:35:16,533 INFO L132 encePairwiseOnDemand]: 198/202 looper letters, 3 selfloop transitions, 3 changer transitions 0/30 dead transitions. [2021-03-25 14:35:16,533 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 30 transitions, 95 flow [2021-03-25 14:35:16,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:35:16,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:35:16,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 544 transitions. [2021-03-25 14:35:16,535 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8976897689768977 [2021-03-25 14:35:16,535 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 544 transitions. [2021-03-25 14:35:16,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 544 transitions. [2021-03-25 14:35:16,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:35:16,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 544 transitions. [2021-03-25 14:35:16,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:16,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:16,539 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:16,539 INFO L185 Difference]: Start difference. First operand has 38 places, 28 transitions, 79 flow. Second operand 3 states and 544 transitions. [2021-03-25 14:35:16,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 30 transitions, 95 flow [2021-03-25 14:35:16,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 30 transitions, 92 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 14:35:16,540 INFO L241 Difference]: Finished difference. Result has 40 places, 30 transitions, 95 flow [2021-03-25 14:35:16,541 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=95, PETRI_PLACES=40, PETRI_TRANSITIONS=30} [2021-03-25 14:35:16,541 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -17 predicate places. [2021-03-25 14:35:16,541 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:35:16,541 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 30 transitions, 95 flow [2021-03-25 14:35:16,541 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 30 transitions, 95 flow [2021-03-25 14:35:16,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 30 transitions, 95 flow [2021-03-25 14:35:16,548 INFO L129 PetriNetUnfolder]: 7/46 cut-off events. [2021-03-25 14:35:16,548 INFO L130 PetriNetUnfolder]: For 7/9 co-relation queries the response was YES. [2021-03-25 14:35:16,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 46 events. 7/46 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 136 event pairs, 3 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 79. Up to 15 conditions per place. [2021-03-25 14:35:16,549 INFO L142 LiptonReduction]: Number of co-enabled transitions 430 [2021-03-25 14:35:16,574 INFO L154 LiptonReduction]: Checked pairs total: 275 [2021-03-25 14:35:16,574 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:35:16,574 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-03-25 14:35:16,575 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 30 transitions, 95 flow [2021-03-25 14:35:16,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:16,576 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:35:16,576 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:35:16,576 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 14:35:16,576 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:35:16,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:35:16,576 INFO L82 PathProgramCache]: Analyzing trace with hash -655623626, now seen corresponding path program 1 times [2021-03-25 14:35:16,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:35:16,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484091747] [2021-03-25 14:35:16,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:35:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:35:16,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:16,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:35:16,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:16,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:16,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:35:16,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484091747] [2021-03-25 14:35:16,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:35:16,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:35:16,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69286718] [2021-03-25 14:35:16,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:35:16,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:35:16,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:35:16,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:35:16,630 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 202 [2021-03-25 14:35:16,630 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 30 transitions, 95 flow. Second operand has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:16,630 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:35:16,630 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 202 [2021-03-25 14:35:16,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:35:16,647 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-03-25 14:35:16,648 INFO L130 PetriNetUnfolder]: For 26/61 co-relation queries the response was YES. [2021-03-25 14:35:16,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 53 events. 4/53 cut-off events. For 26/61 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 177 event pairs, 1 based on Foata normal form. 4/52 useless extension candidates. Maximal degree in co-relation 99. Up to 15 conditions per place. [2021-03-25 14:35:16,648 INFO L132 encePairwiseOnDemand]: 199/202 looper letters, 3 selfloop transitions, 3 changer transitions 0/30 dead transitions. [2021-03-25 14:35:16,648 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 30 transitions, 107 flow [2021-03-25 14:35:16,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:35:16,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:35:16,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2021-03-25 14:35:16,651 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8960396039603961 [2021-03-25 14:35:16,651 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 543 transitions. [2021-03-25 14:35:16,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 543 transitions. [2021-03-25 14:35:16,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:35:16,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 543 transitions. [2021-03-25 14:35:16,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:16,654 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:16,654 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:16,654 INFO L185 Difference]: Start difference. First operand has 40 places, 30 transitions, 95 flow. Second operand 3 states and 543 transitions. [2021-03-25 14:35:16,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 30 transitions, 107 flow [2021-03-25 14:35:16,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 30 transitions, 104 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 14:35:16,656 INFO L241 Difference]: Finished difference. Result has 42 places, 30 transitions, 103 flow [2021-03-25 14:35:16,656 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=103, PETRI_PLACES=42, PETRI_TRANSITIONS=30} [2021-03-25 14:35:16,656 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -15 predicate places. [2021-03-25 14:35:16,656 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:35:16,656 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 30 transitions, 103 flow [2021-03-25 14:35:16,656 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 30 transitions, 103 flow [2021-03-25 14:35:16,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 30 transitions, 103 flow [2021-03-25 14:35:16,663 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-03-25 14:35:16,663 INFO L130 PetriNetUnfolder]: For 27/37 co-relation queries the response was YES. [2021-03-25 14:35:16,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 53 events. 4/53 cut-off events. For 27/37 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 189 event pairs, 1 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 98. Up to 15 conditions per place. [2021-03-25 14:35:16,664 INFO L142 LiptonReduction]: Number of co-enabled transitions 430 [2021-03-25 14:35:16,906 INFO L154 LiptonReduction]: Checked pairs total: 382 [2021-03-25 14:35:16,906 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:35:16,906 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 250 [2021-03-25 14:35:16,907 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 30 transitions, 103 flow [2021-03-25 14:35:16,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:16,907 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:35:16,907 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:35:16,908 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 14:35:16,908 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:35:16,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:35:16,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1227503117, now seen corresponding path program 1 times [2021-03-25 14:35:16,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:35:16,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812363542] [2021-03-25 14:35:16,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:35:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:35:16,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:16,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:35:16,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812363542] [2021-03-25 14:35:16,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:35:16,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 14:35:16,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16182323] [2021-03-25 14:35:16,980 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:35:16,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:35:16,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:35:16,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:35:16,981 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 202 [2021-03-25 14:35:16,982 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 30 transitions, 103 flow. Second operand has 3 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:16,982 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:35:16,982 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 202 [2021-03-25 14:35:16,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:35:17,003 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-03-25 14:35:17,003 INFO L130 PetriNetUnfolder]: For 85/105 co-relation queries the response was YES. [2021-03-25 14:35:17,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 53 events. 4/53 cut-off events. For 85/105 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 177 event pairs, 1 based on Foata normal form. 2/50 useless extension candidates. Maximal degree in co-relation 104. Up to 15 conditions per place. [2021-03-25 14:35:17,004 INFO L132 encePairwiseOnDemand]: 199/202 looper letters, 1 selfloop transitions, 2 changer transitions 0/30 dead transitions. [2021-03-25 14:35:17,004 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 30 transitions, 109 flow [2021-03-25 14:35:17,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:35:17,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:35:17,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 541 transitions. [2021-03-25 14:35:17,007 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8927392739273927 [2021-03-25 14:35:17,007 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 541 transitions. [2021-03-25 14:35:17,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 541 transitions. [2021-03-25 14:35:17,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:35:17,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 541 transitions. [2021-03-25 14:35:17,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:17,010 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:17,010 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:17,010 INFO L185 Difference]: Start difference. First operand has 42 places, 30 transitions, 103 flow. Second operand 3 states and 541 transitions. [2021-03-25 14:35:17,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 30 transitions, 109 flow [2021-03-25 14:35:17,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 30 transitions, 104 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-25 14:35:17,012 INFO L241 Difference]: Finished difference. Result has 44 places, 30 transitions, 106 flow [2021-03-25 14:35:17,012 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=44, PETRI_TRANSITIONS=30} [2021-03-25 14:35:17,013 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -13 predicate places. [2021-03-25 14:35:17,013 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:35:17,013 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 30 transitions, 106 flow [2021-03-25 14:35:17,013 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 30 transitions, 106 flow [2021-03-25 14:35:17,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 30 transitions, 106 flow [2021-03-25 14:35:17,025 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-03-25 14:35:17,025 INFO L130 PetriNetUnfolder]: For 31/39 co-relation queries the response was YES. [2021-03-25 14:35:17,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 53 events. 4/53 cut-off events. For 31/39 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 189 event pairs, 1 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 101. Up to 13 conditions per place. [2021-03-25 14:35:17,026 INFO L142 LiptonReduction]: Number of co-enabled transitions 428 [2021-03-25 14:35:17,029 INFO L154 LiptonReduction]: Checked pairs total: 364 [2021-03-25 14:35:17,029 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:35:17,029 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-03-25 14:35:17,030 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 30 transitions, 106 flow [2021-03-25 14:35:17,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:17,031 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:35:17,031 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:35:17,031 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 14:35:17,031 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:35:17,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:35:17,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1856576003, now seen corresponding path program 1 times [2021-03-25 14:35:17,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:35:17,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368779331] [2021-03-25 14:35:17,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:35:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:35:17,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:17,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 14:35:17,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:17,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:35:17,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:17,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:35:17,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:35:17,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368779331] [2021-03-25 14:35:17,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:35:17,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:35:17,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837495182] [2021-03-25 14:35:17,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:35:17,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:35:17,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:35:17,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:35:17,169 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 202 [2021-03-25 14:35:17,170 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 30 transitions, 106 flow. Second operand has 5 states, 5 states have (on average 163.8) internal successors, (819), 5 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:17,170 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:35:17,170 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 202 [2021-03-25 14:35:17,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:35:17,251 INFO L129 PetriNetUnfolder]: 80/225 cut-off events. [2021-03-25 14:35:17,251 INFO L130 PetriNetUnfolder]: For 233/276 co-relation queries the response was YES. [2021-03-25 14:35:17,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 552 conditions, 225 events. 80/225 cut-off events. For 233/276 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1177 event pairs, 48 based on Foata normal form. 3/204 useless extension candidates. Maximal degree in co-relation 537. Up to 127 conditions per place. [2021-03-25 14:35:17,255 INFO L132 encePairwiseOnDemand]: 197/202 looper letters, 8 selfloop transitions, 5 changer transitions 0/36 dead transitions. [2021-03-25 14:35:17,255 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 36 transitions, 147 flow [2021-03-25 14:35:17,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:35:17,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:35:17,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 666 transitions. [2021-03-25 14:35:17,257 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8242574257425742 [2021-03-25 14:35:17,257 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 666 transitions. [2021-03-25 14:35:17,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 666 transitions. [2021-03-25 14:35:17,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:35:17,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 666 transitions. [2021-03-25 14:35:17,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 166.5) internal successors, (666), 4 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:17,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 202.0) internal successors, (1010), 5 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:17,262 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 202.0) internal successors, (1010), 5 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:17,262 INFO L185 Difference]: Start difference. First operand has 44 places, 30 transitions, 106 flow. Second operand 4 states and 666 transitions. [2021-03-25 14:35:17,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 36 transitions, 147 flow [2021-03-25 14:35:17,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 36 transitions, 141 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:35:17,265 INFO L241 Difference]: Finished difference. Result has 47 places, 34 transitions, 135 flow [2021-03-25 14:35:17,265 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=135, PETRI_PLACES=47, PETRI_TRANSITIONS=34} [2021-03-25 14:35:17,265 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -10 predicate places. [2021-03-25 14:35:17,265 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:35:17,265 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 34 transitions, 135 flow [2021-03-25 14:35:17,266 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 34 transitions, 135 flow [2021-03-25 14:35:17,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 34 transitions, 135 flow [2021-03-25 14:35:17,280 INFO L129 PetriNetUnfolder]: 13/94 cut-off events. [2021-03-25 14:35:17,280 INFO L130 PetriNetUnfolder]: For 109/136 co-relation queries the response was YES. [2021-03-25 14:35:17,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 94 events. 13/94 cut-off events. For 109/136 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 428 event pairs, 2 based on Foata normal form. 2/86 useless extension candidates. Maximal degree in co-relation 210. Up to 22 conditions per place. [2021-03-25 14:35:17,282 INFO L142 LiptonReduction]: Number of co-enabled transitions 510 [2021-03-25 14:35:17,285 INFO L154 LiptonReduction]: Checked pairs total: 360 [2021-03-25 14:35:17,285 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:35:17,285 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-03-25 14:35:17,289 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 34 transitions, 135 flow [2021-03-25 14:35:17,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 163.8) internal successors, (819), 5 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:17,289 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:35:17,289 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:35:17,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 14:35:17,290 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:35:17,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:35:17,290 INFO L82 PathProgramCache]: Analyzing trace with hash -119427877, now seen corresponding path program 1 times [2021-03-25 14:35:17,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:35:17,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996716061] [2021-03-25 14:35:17,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:35:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:35:17,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:17,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:35:17,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:17,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:35:17,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:17,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:35:17,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:17,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:35:17,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:35:17,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996716061] [2021-03-25 14:35:17,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:35:17,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:35:17,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203698943] [2021-03-25 14:35:17,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:35:17,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:35:17,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:35:17,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:35:17,423 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 202 [2021-03-25 14:35:17,423 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 34 transitions, 135 flow. Second operand has 6 states, 6 states have (on average 161.83333333333334) internal successors, (971), 6 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:17,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:35:17,424 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 202 [2021-03-25 14:35:17,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:35:17,543 INFO L129 PetriNetUnfolder]: 72/221 cut-off events. [2021-03-25 14:35:17,543 INFO L130 PetriNetUnfolder]: For 348/382 co-relation queries the response was YES. [2021-03-25 14:35:17,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 601 conditions, 221 events. 72/221 cut-off events. For 348/382 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1219 event pairs, 7 based on Foata normal form. 12/211 useless extension candidates. Maximal degree in co-relation 584. Up to 81 conditions per place. [2021-03-25 14:35:17,546 INFO L132 encePairwiseOnDemand]: 196/202 looper letters, 9 selfloop transitions, 9 changer transitions 0/41 dead transitions. [2021-03-25 14:35:17,546 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 41 transitions, 190 flow [2021-03-25 14:35:17,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:35:17,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:35:17,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 822 transitions. [2021-03-25 14:35:17,549 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8138613861386138 [2021-03-25 14:35:17,549 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 822 transitions. [2021-03-25 14:35:17,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 822 transitions. [2021-03-25 14:35:17,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:35:17,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 822 transitions. [2021-03-25 14:35:17,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 164.4) internal successors, (822), 5 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:17,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:17,553 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:17,553 INFO L185 Difference]: Start difference. First operand has 47 places, 34 transitions, 135 flow. Second operand 5 states and 822 transitions. [2021-03-25 14:35:17,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 41 transitions, 190 flow [2021-03-25 14:35:17,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 41 transitions, 190 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 14:35:17,556 INFO L241 Difference]: Finished difference. Result has 52 places, 38 transitions, 178 flow [2021-03-25 14:35:17,557 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=178, PETRI_PLACES=52, PETRI_TRANSITIONS=38} [2021-03-25 14:35:17,557 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -5 predicate places. [2021-03-25 14:35:17,557 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:35:17,557 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 38 transitions, 178 flow [2021-03-25 14:35:17,557 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 38 transitions, 178 flow [2021-03-25 14:35:17,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 38 transitions, 178 flow [2021-03-25 14:35:17,571 INFO L129 PetriNetUnfolder]: 26/117 cut-off events. [2021-03-25 14:35:17,571 INFO L130 PetriNetUnfolder]: For 205/223 co-relation queries the response was YES. [2021-03-25 14:35:17,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 353 conditions, 117 events. 26/117 cut-off events. For 205/223 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 558 event pairs, 7 based on Foata normal form. 1/109 useless extension candidates. Maximal degree in co-relation 335. Up to 33 conditions per place. [2021-03-25 14:35:17,573 INFO L142 LiptonReduction]: Number of co-enabled transitions 596 [2021-03-25 14:35:17,581 INFO L154 LiptonReduction]: Checked pairs total: 439 [2021-03-25 14:35:17,581 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:35:17,581 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-03-25 14:35:17,582 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 38 transitions, 178 flow [2021-03-25 14:35:17,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 161.83333333333334) internal successors, (971), 6 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:17,582 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:35:17,583 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:35:17,583 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 14:35:17,583 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:35:17,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:35:17,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1251899768, now seen corresponding path program 1 times [2021-03-25 14:35:17,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:35:17,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111446506] [2021-03-25 14:35:17,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:35:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:35:17,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:17,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:35:17,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:17,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:35:17,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:17,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:35:17,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:17,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 14:35:17,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:17,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:35:17,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:35:17,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111446506] [2021-03-25 14:35:17,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:35:17,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:35:17,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495374726] [2021-03-25 14:35:17,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:35:17,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:35:17,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:35:17,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:35:17,717 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 202 [2021-03-25 14:35:17,718 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 38 transitions, 178 flow. Second operand has 6 states, 6 states have (on average 160.0) internal successors, (960), 6 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:17,718 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:35:17,718 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 202 [2021-03-25 14:35:17,718 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:35:17,811 INFO L129 PetriNetUnfolder]: 87/254 cut-off events. [2021-03-25 14:35:17,811 INFO L130 PetriNetUnfolder]: For 458/492 co-relation queries the response was YES. [2021-03-25 14:35:17,813 INFO L84 FinitePrefix]: Finished finitePrefix Result has 827 conditions, 254 events. 87/254 cut-off events. For 458/492 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1399 event pairs, 7 based on Foata normal form. 11/243 useless extension candidates. Maximal degree in co-relation 807. Up to 123 conditions per place. [2021-03-25 14:35:17,814 INFO L132 encePairwiseOnDemand]: 195/202 looper letters, 12 selfloop transitions, 11 changer transitions 0/46 dead transitions. [2021-03-25 14:35:17,814 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 46 transitions, 260 flow [2021-03-25 14:35:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:35:17,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:35:17,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 812 transitions. [2021-03-25 14:35:17,817 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.803960396039604 [2021-03-25 14:35:17,817 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 812 transitions. [2021-03-25 14:35:17,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 812 transitions. [2021-03-25 14:35:17,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:35:17,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 812 transitions. [2021-03-25 14:35:17,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 162.4) internal successors, (812), 5 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:17,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:17,821 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:17,821 INFO L185 Difference]: Start difference. First operand has 52 places, 38 transitions, 178 flow. Second operand 5 states and 812 transitions. [2021-03-25 14:35:17,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 46 transitions, 260 flow [2021-03-25 14:35:17,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 46 transitions, 250 flow, removed 5 selfloop flow, removed 0 redundant places. [2021-03-25 14:35:17,825 INFO L241 Difference]: Finished difference. Result has 58 places, 44 transitions, 239 flow [2021-03-25 14:35:17,826 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=239, PETRI_PLACES=58, PETRI_TRANSITIONS=44} [2021-03-25 14:35:17,826 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 1 predicate places. [2021-03-25 14:35:17,826 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:35:17,826 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 44 transitions, 239 flow [2021-03-25 14:35:17,826 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 44 transitions, 239 flow [2021-03-25 14:35:17,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 44 transitions, 239 flow [2021-03-25 14:35:17,856 INFO L129 PetriNetUnfolder]: 64/230 cut-off events. [2021-03-25 14:35:17,856 INFO L130 PetriNetUnfolder]: For 583/640 co-relation queries the response was YES. [2021-03-25 14:35:17,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 756 conditions, 230 events. 64/230 cut-off events. For 583/640 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1365 event pairs, 7 based on Foata normal form. 2/207 useless extension candidates. Maximal degree in co-relation 734. Up to 79 conditions per place. [2021-03-25 14:35:17,860 INFO L142 LiptonReduction]: Number of co-enabled transitions 698 [2021-03-25 14:35:17,874 INFO L154 LiptonReduction]: Checked pairs total: 489 [2021-03-25 14:35:17,874 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:35:17,875 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-03-25 14:35:17,875 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 44 transitions, 239 flow [2021-03-25 14:35:17,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 160.0) internal successors, (960), 6 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:17,875 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:35:17,876 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:35:17,876 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 14:35:17,876 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:35:17,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:35:17,876 INFO L82 PathProgramCache]: Analyzing trace with hash 2137059688, now seen corresponding path program 2 times [2021-03-25 14:35:17,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:35:17,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313359099] [2021-03-25 14:35:17,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:35:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:35:17,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:17,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:35:17,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:17,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:35:17,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:17,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 14:35:17,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:17,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 14:35:18,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:18,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:35:18,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:35:18,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313359099] [2021-03-25 14:35:18,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:35:18,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:35:18,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375437329] [2021-03-25 14:35:18,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:35:18,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:35:18,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:35:18,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:35:18,015 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 202 [2021-03-25 14:35:18,016 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 44 transitions, 239 flow. Second operand has 7 states, 7 states have (on average 159.85714285714286) internal successors, (1119), 7 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:18,016 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:35:18,016 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 202 [2021-03-25 14:35:18,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:35:18,151 INFO L129 PetriNetUnfolder]: 90/269 cut-off events. [2021-03-25 14:35:18,151 INFO L130 PetriNetUnfolder]: For 644/690 co-relation queries the response was YES. [2021-03-25 14:35:18,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1004 conditions, 269 events. 90/269 cut-off events. For 644/690 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1548 event pairs, 7 based on Foata normal form. 16/263 useless extension candidates. Maximal degree in co-relation 980. Up to 99 conditions per place. [2021-03-25 14:35:18,154 INFO L132 encePairwiseOnDemand]: 196/202 looper letters, 11 selfloop transitions, 16 changer transitions 0/50 dead transitions. [2021-03-25 14:35:18,155 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 50 transitions, 330 flow [2021-03-25 14:35:18,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:35:18,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:35:18,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 974 transitions. [2021-03-25 14:35:18,158 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8036303630363036 [2021-03-25 14:35:18,159 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 974 transitions. [2021-03-25 14:35:18,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 974 transitions. [2021-03-25 14:35:18,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:35:18,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 974 transitions. [2021-03-25 14:35:18,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 162.33333333333334) internal successors, (974), 6 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:18,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 202.0) internal successors, (1414), 7 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:18,166 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 202.0) internal successors, (1414), 7 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:18,166 INFO L185 Difference]: Start difference. First operand has 58 places, 44 transitions, 239 flow. Second operand 6 states and 974 transitions. [2021-03-25 14:35:18,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 50 transitions, 330 flow [2021-03-25 14:35:18,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 50 transitions, 320 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-25 14:35:18,171 INFO L241 Difference]: Finished difference. Result has 63 places, 47 transitions, 294 flow [2021-03-25 14:35:18,171 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=294, PETRI_PLACES=63, PETRI_TRANSITIONS=47} [2021-03-25 14:35:18,171 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 6 predicate places. [2021-03-25 14:35:18,171 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:35:18,171 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 47 transitions, 294 flow [2021-03-25 14:35:18,172 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 47 transitions, 294 flow [2021-03-25 14:35:18,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 47 transitions, 294 flow [2021-03-25 14:35:18,200 INFO L129 PetriNetUnfolder]: 59/216 cut-off events. [2021-03-25 14:35:18,200 INFO L130 PetriNetUnfolder]: For 697/765 co-relation queries the response was YES. [2021-03-25 14:35:18,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 803 conditions, 216 events. 59/216 cut-off events. For 697/765 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1295 event pairs, 7 based on Foata normal form. 13/206 useless extension candidates. Maximal degree in co-relation 779. Up to 71 conditions per place. [2021-03-25 14:35:18,204 INFO L142 LiptonReduction]: Number of co-enabled transitions 754 [2021-03-25 14:35:18,220 INFO L154 LiptonReduction]: Checked pairs total: 584 [2021-03-25 14:35:18,220 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:35:18,220 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-03-25 14:35:18,221 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 47 transitions, 294 flow [2021-03-25 14:35:18,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 159.85714285714286) internal successors, (1119), 7 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:18,222 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:35:18,222 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:35:18,222 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 14:35:18,222 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:35:18,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:35:18,222 INFO L82 PathProgramCache]: Analyzing trace with hash 558261222, now seen corresponding path program 1 times [2021-03-25 14:35:18,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:35:18,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396507381] [2021-03-25 14:35:18,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:35:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:35:18,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:18,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:18,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:18,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:18,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:18,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:35:18,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:35:18,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396507381] [2021-03-25 14:35:18,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:35:18,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:35:18,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513494826] [2021-03-25 14:35:18,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:35:18,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:35:18,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:35:18,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:35:18,290 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 202 [2021-03-25 14:35:18,291 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 47 transitions, 294 flow. Second operand has 4 states, 4 states have (on average 167.75) internal successors, (671), 4 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:18,291 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:35:18,291 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 202 [2021-03-25 14:35:18,291 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:35:18,526 INFO L129 PetriNetUnfolder]: 834/1516 cut-off events. [2021-03-25 14:35:18,527 INFO L130 PetriNetUnfolder]: For 2320/2949 co-relation queries the response was YES. [2021-03-25 14:35:18,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4311 conditions, 1516 events. 834/1516 cut-off events. For 2320/2949 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 10949 event pairs, 340 based on Foata normal form. 177/1312 useless extension candidates. Maximal degree in co-relation 4285. Up to 983 conditions per place. [2021-03-25 14:35:18,543 INFO L132 encePairwiseOnDemand]: 195/202 looper letters, 14 selfloop transitions, 10 changer transitions 0/61 dead transitions. [2021-03-25 14:35:18,543 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 61 transitions, 370 flow [2021-03-25 14:35:18,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:35:18,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:35:18,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 859 transitions. [2021-03-25 14:35:18,546 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8504950495049505 [2021-03-25 14:35:18,546 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 859 transitions. [2021-03-25 14:35:18,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 859 transitions. [2021-03-25 14:35:18,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:35:18,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 859 transitions. [2021-03-25 14:35:18,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 171.8) internal successors, (859), 5 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:18,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:18,550 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:18,550 INFO L185 Difference]: Start difference. First operand has 63 places, 47 transitions, 294 flow. Second operand 5 states and 859 transitions. [2021-03-25 14:35:18,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 61 transitions, 370 flow [2021-03-25 14:35:18,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 61 transitions, 349 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-25 14:35:18,556 INFO L241 Difference]: Finished difference. Result has 67 places, 56 transitions, 356 flow [2021-03-25 14:35:18,556 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=356, PETRI_PLACES=67, PETRI_TRANSITIONS=56} [2021-03-25 14:35:18,556 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 10 predicate places. [2021-03-25 14:35:18,556 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:35:18,557 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 56 transitions, 356 flow [2021-03-25 14:35:18,557 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 56 transitions, 356 flow [2021-03-25 14:35:18,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 56 transitions, 356 flow [2021-03-25 14:35:18,696 INFO L129 PetriNetUnfolder]: 649/1250 cut-off events. [2021-03-25 14:35:18,696 INFO L130 PetriNetUnfolder]: For 2829/3411 co-relation queries the response was YES. [2021-03-25 14:35:18,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4466 conditions, 1250 events. 649/1250 cut-off events. For 2829/3411 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 9170 event pairs, 219 based on Foata normal form. 48/1082 useless extension candidates. Maximal degree in co-relation 4439. Up to 783 conditions per place. [2021-03-25 14:35:18,719 INFO L142 LiptonReduction]: Number of co-enabled transitions 1026 [2021-03-25 14:35:18,819 INFO L154 LiptonReduction]: Checked pairs total: 263 [2021-03-25 14:35:18,819 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:35:18,819 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 263 [2021-03-25 14:35:18,820 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 56 transitions, 356 flow [2021-03-25 14:35:18,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 167.75) internal successors, (671), 4 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:18,822 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:35:18,822 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:35:18,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 14:35:18,822 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:35:18,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:35:18,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1361197527, now seen corresponding path program 1 times [2021-03-25 14:35:18,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:35:18,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867561092] [2021-03-25 14:35:18,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:35:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:35:18,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:18,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:35:18,902 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-03-25 14:35:18,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 14:35:18,931 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.3 percent of original size [2021-03-25 14:35:18,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 14:35:18,960 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-03-25 14:35:18,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 14:35:18,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:18,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:35:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:35:18,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867561092] [2021-03-25 14:35:18,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:35:18,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:35:18,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132750825] [2021-03-25 14:35:18,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:35:18,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:35:18,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:35:18,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:35:18,996 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 202 [2021-03-25 14:35:18,997 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 56 transitions, 356 flow. Second operand has 7 states, 7 states have (on average 159.85714285714286) internal successors, (1119), 7 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:18,997 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:35:18,998 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 202 [2021-03-25 14:35:18,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:35:19,354 INFO L129 PetriNetUnfolder]: 980/1791 cut-off events. [2021-03-25 14:35:19,354 INFO L130 PetriNetUnfolder]: For 6373/7632 co-relation queries the response was YES. [2021-03-25 14:35:19,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6905 conditions, 1791 events. 980/1791 cut-off events. For 6373/7632 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 13200 event pairs, 346 based on Foata normal form. 81/1561 useless extension candidates. Maximal degree in co-relation 6876. Up to 1193 conditions per place. [2021-03-25 14:35:19,373 INFO L132 encePairwiseOnDemand]: 197/202 looper letters, 14 selfloop transitions, 14 changer transitions 0/60 dead transitions. [2021-03-25 14:35:19,373 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 60 transitions, 446 flow [2021-03-25 14:35:19,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:35:19,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:35:19,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 970 transitions. [2021-03-25 14:35:19,376 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8003300330033003 [2021-03-25 14:35:19,376 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 970 transitions. [2021-03-25 14:35:19,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 970 transitions. [2021-03-25 14:35:19,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:35:19,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 970 transitions. [2021-03-25 14:35:19,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 161.66666666666666) internal successors, (970), 6 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:19,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 202.0) internal successors, (1414), 7 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:19,381 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 202.0) internal successors, (1414), 7 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:19,381 INFO L185 Difference]: Start difference. First operand has 67 places, 56 transitions, 356 flow. Second operand 6 states and 970 transitions. [2021-03-25 14:35:19,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 60 transitions, 446 flow [2021-03-25 14:35:19,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 60 transitions, 441 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 14:35:19,391 INFO L241 Difference]: Finished difference. Result has 72 places, 56 transitions, 392 flow [2021-03-25 14:35:19,391 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=351, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=392, PETRI_PLACES=72, PETRI_TRANSITIONS=56} [2021-03-25 14:35:19,392 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 15 predicate places. [2021-03-25 14:35:19,392 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:35:19,392 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 56 transitions, 392 flow [2021-03-25 14:35:19,392 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 56 transitions, 392 flow [2021-03-25 14:35:19,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 56 transitions, 392 flow [2021-03-25 14:35:19,542 INFO L129 PetriNetUnfolder]: 806/1521 cut-off events. [2021-03-25 14:35:19,542 INFO L130 PetriNetUnfolder]: For 3801/4589 co-relation queries the response was YES. [2021-03-25 14:35:19,551 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5461 conditions, 1521 events. 806/1521 cut-off events. For 3801/4589 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 11103 event pairs, 335 based on Foata normal form. 40/1321 useless extension candidates. Maximal degree in co-relation 5432. Up to 1035 conditions per place. [2021-03-25 14:35:19,568 INFO L142 LiptonReduction]: Number of co-enabled transitions 1022 [2021-03-25 14:35:19,660 INFO L154 LiptonReduction]: Checked pairs total: 328 [2021-03-25 14:35:19,660 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:35:19,660 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 268 [2021-03-25 14:35:19,661 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 56 transitions, 392 flow [2021-03-25 14:35:19,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 159.85714285714286) internal successors, (1119), 7 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:19,662 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:35:19,662 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:35:19,662 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 14:35:19,662 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:35:19,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:35:19,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1451044186, now seen corresponding path program 1 times [2021-03-25 14:35:19,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:35:19,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765198257] [2021-03-25 14:35:19,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:35:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:35:19,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:19,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:19,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:19,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:19,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:19,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:19,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:19,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:35:19,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:35:19,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765198257] [2021-03-25 14:35:19,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:35:19,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:35:19,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079822213] [2021-03-25 14:35:19,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:35:19,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:35:19,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:35:19,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:35:19,726 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 202 [2021-03-25 14:35:19,727 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 56 transitions, 392 flow. Second operand has 5 states, 5 states have (on average 167.8) internal successors, (839), 5 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:19,727 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:35:19,727 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 202 [2021-03-25 14:35:19,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:35:19,952 INFO L129 PetriNetUnfolder]: 826/1559 cut-off events. [2021-03-25 14:35:19,952 INFO L130 PetriNetUnfolder]: For 4639/11071 co-relation queries the response was YES. [2021-03-25 14:35:19,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6297 conditions, 1559 events. 826/1559 cut-off events. For 4639/11071 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 11372 event pairs, 107 based on Foata normal form. 385/1647 useless extension candidates. Maximal degree in co-relation 6266. Up to 1138 conditions per place. [2021-03-25 14:35:19,971 INFO L132 encePairwiseOnDemand]: 195/202 looper letters, 15 selfloop transitions, 19 changer transitions 0/71 dead transitions. [2021-03-25 14:35:19,971 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 71 transitions, 540 flow [2021-03-25 14:35:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:35:19,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:35:19,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1203 transitions. [2021-03-25 14:35:19,974 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8507779349363508 [2021-03-25 14:35:19,974 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1203 transitions. [2021-03-25 14:35:19,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1203 transitions. [2021-03-25 14:35:19,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:35:19,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1203 transitions. [2021-03-25 14:35:19,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 171.85714285714286) internal successors, (1203), 7 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:19,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 202.0) internal successors, (1616), 8 states have internal predecessors, (1616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:19,980 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 202.0) internal successors, (1616), 8 states have internal predecessors, (1616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:19,980 INFO L185 Difference]: Start difference. First operand has 72 places, 56 transitions, 392 flow. Second operand 7 states and 1203 transitions. [2021-03-25 14:35:19,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 71 transitions, 540 flow [2021-03-25 14:35:19,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 71 transitions, 526 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-25 14:35:19,990 INFO L241 Difference]: Finished difference. Result has 77 places, 65 transitions, 520 flow [2021-03-25 14:35:19,990 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=520, PETRI_PLACES=77, PETRI_TRANSITIONS=65} [2021-03-25 14:35:19,990 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 20 predicate places. [2021-03-25 14:35:19,990 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:35:19,990 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 65 transitions, 520 flow [2021-03-25 14:35:19,990 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 65 transitions, 520 flow [2021-03-25 14:35:19,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 65 transitions, 520 flow [2021-03-25 14:35:20,147 INFO L129 PetriNetUnfolder]: 602/1226 cut-off events. [2021-03-25 14:35:20,147 INFO L130 PetriNetUnfolder]: For 5479/9255 co-relation queries the response was YES. [2021-03-25 14:35:20,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6049 conditions, 1226 events. 602/1226 cut-off events. For 5479/9255 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 9081 event pairs, 80 based on Foata normal form. 46/1081 useless extension candidates. Maximal degree in co-relation 6019. Up to 917 conditions per place. [2021-03-25 14:35:20,173 INFO L142 LiptonReduction]: Number of co-enabled transitions 1236 [2021-03-25 14:35:20,199 INFO L154 LiptonReduction]: Checked pairs total: 364 [2021-03-25 14:35:20,199 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:35:20,199 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 209 [2021-03-25 14:35:20,201 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 65 transitions, 520 flow [2021-03-25 14:35:20,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 167.8) internal successors, (839), 5 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:20,202 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:35:20,202 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:35:20,202 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 14:35:20,202 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:35:20,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:35:20,203 INFO L82 PathProgramCache]: Analyzing trace with hash -388667496, now seen corresponding path program 1 times [2021-03-25 14:35:20,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:35:20,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165706212] [2021-03-25 14:35:20,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:35:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:35:20,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:20,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:35:20,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:20,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:20,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:35:20,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165706212] [2021-03-25 14:35:20,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:35:20,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:35:20,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692584814] [2021-03-25 14:35:20,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:35:20,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:35:20,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:35:20,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:35:20,256 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 202 [2021-03-25 14:35:20,257 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 65 transitions, 520 flow. Second operand has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:20,257 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:35:20,257 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 202 [2021-03-25 14:35:20,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:35:20,493 INFO L129 PetriNetUnfolder]: 968/1825 cut-off events. [2021-03-25 14:35:20,493 INFO L130 PetriNetUnfolder]: For 9417/17310 co-relation queries the response was YES. [2021-03-25 14:35:20,504 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9115 conditions, 1825 events. 968/1825 cut-off events. For 9417/17310 co-relation queries the response was YES. Maximal size of possible extension queue 370. Compared 13504 event pairs, 174 based on Foata normal form. 80/1560 useless extension candidates. Maximal degree in co-relation 9083. Up to 1429 conditions per place. [2021-03-25 14:35:20,512 INFO L132 encePairwiseOnDemand]: 199/202 looper letters, 3 selfloop transitions, 3 changer transitions 0/65 dead transitions. [2021-03-25 14:35:20,512 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 65 transitions, 532 flow [2021-03-25 14:35:20,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:35:20,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:35:20,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2021-03-25 14:35:20,514 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8960396039603961 [2021-03-25 14:35:20,514 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 543 transitions. [2021-03-25 14:35:20,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 543 transitions. [2021-03-25 14:35:20,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:35:20,514 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 543 transitions. [2021-03-25 14:35:20,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:20,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:20,517 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:20,517 INFO L185 Difference]: Start difference. First operand has 77 places, 65 transitions, 520 flow. Second operand 3 states and 543 transitions. [2021-03-25 14:35:20,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 65 transitions, 532 flow [2021-03-25 14:35:20,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 65 transitions, 482 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-03-25 14:35:20,546 INFO L241 Difference]: Finished difference. Result has 77 places, 65 transitions, 481 flow [2021-03-25 14:35:20,546 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=481, PETRI_PLACES=77, PETRI_TRANSITIONS=65} [2021-03-25 14:35:20,547 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 20 predicate places. [2021-03-25 14:35:20,547 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:35:20,547 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 65 transitions, 481 flow [2021-03-25 14:35:20,547 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 65 transitions, 481 flow [2021-03-25 14:35:20,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 65 transitions, 481 flow [2021-03-25 14:35:20,715 INFO L129 PetriNetUnfolder]: 960/1816 cut-off events. [2021-03-25 14:35:20,715 INFO L130 PetriNetUnfolder]: For 8259/9524 co-relation queries the response was YES. [2021-03-25 14:35:20,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8156 conditions, 1816 events. 960/1816 cut-off events. For 8259/9524 co-relation queries the response was YES. Maximal size of possible extension queue 359. Compared 14072 event pairs, 150 based on Foata normal form. 58/1563 useless extension candidates. Maximal degree in co-relation 8126. Up to 1264 conditions per place. [2021-03-25 14:35:20,746 INFO L142 LiptonReduction]: Number of co-enabled transitions 1236 [2021-03-25 14:35:20,827 INFO L154 LiptonReduction]: Checked pairs total: 364 [2021-03-25 14:35:20,827 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:35:20,827 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 280 [2021-03-25 14:35:20,827 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 65 transitions, 481 flow [2021-03-25 14:35:20,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:20,828 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:35:20,828 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:35:20,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 14:35:20,828 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:35:20,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:35:20,828 INFO L82 PathProgramCache]: Analyzing trace with hash 899221939, now seen corresponding path program 1 times [2021-03-25 14:35:20,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:35:20,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053436402] [2021-03-25 14:35:20,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:35:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:35:20,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:20,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:20,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:20,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:20,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:20,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:20,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:20,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:20,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:20,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:35:20,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:35:20,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053436402] [2021-03-25 14:35:20,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:35:20,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:35:20,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775131913] [2021-03-25 14:35:20,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:35:20,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:35:20,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:35:20,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:35:20,891 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 202 [2021-03-25 14:35:20,892 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 65 transitions, 481 flow. Second operand has 6 states, 6 states have (on average 167.83333333333334) internal successors, (1007), 6 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:20,892 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:35:20,892 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 202 [2021-03-25 14:35:20,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:35:21,173 INFO L129 PetriNetUnfolder]: 1045/1913 cut-off events. [2021-03-25 14:35:21,173 INFO L130 PetriNetUnfolder]: For 9938/20450 co-relation queries the response was YES. [2021-03-25 14:35:21,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9218 conditions, 1913 events. 1045/1913 cut-off events. For 9938/20450 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 13709 event pairs, 20 based on Foata normal form. 606/2099 useless extension candidates. Maximal degree in co-relation 9186. Up to 1285 conditions per place. [2021-03-25 14:35:21,192 INFO L132 encePairwiseOnDemand]: 195/202 looper letters, 11 selfloop transitions, 28 changer transitions 4/77 dead transitions. [2021-03-25 14:35:21,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 77 transitions, 658 flow [2021-03-25 14:35:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 14:35:21,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 14:35:21,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1547 transitions. [2021-03-25 14:35:21,196 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8509350935093509 [2021-03-25 14:35:21,196 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1547 transitions. [2021-03-25 14:35:21,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1547 transitions. [2021-03-25 14:35:21,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:35:21,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1547 transitions. [2021-03-25 14:35:21,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 171.88888888888889) internal successors, (1547), 9 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:21,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 202.0) internal successors, (2020), 10 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:21,204 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 202.0) internal successors, (2020), 10 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:21,204 INFO L185 Difference]: Start difference. First operand has 77 places, 65 transitions, 481 flow. Second operand 9 states and 1547 transitions. [2021-03-25 14:35:21,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 77 transitions, 658 flow [2021-03-25 14:35:21,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 77 transitions, 645 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-25 14:35:21,224 INFO L241 Difference]: Finished difference. Result has 85 places, 70 transitions, 609 flow [2021-03-25 14:35:21,225 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=609, PETRI_PLACES=85, PETRI_TRANSITIONS=70} [2021-03-25 14:35:21,225 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 28 predicate places. [2021-03-25 14:35:21,225 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:35:21,225 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 70 transitions, 609 flow [2021-03-25 14:35:21,225 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 70 transitions, 609 flow [2021-03-25 14:35:21,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 70 transitions, 609 flow [2021-03-25 14:35:21,360 INFO L129 PetriNetUnfolder]: 656/1358 cut-off events. [2021-03-25 14:35:21,361 INFO L130 PetriNetUnfolder]: For 10615/12895 co-relation queries the response was YES. [2021-03-25 14:35:21,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7522 conditions, 1358 events. 656/1358 cut-off events. For 10615/12895 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 10589 event pairs, 12 based on Foata normal form. 22/1099 useless extension candidates. Maximal degree in co-relation 7489. Up to 940 conditions per place. [2021-03-25 14:35:21,387 INFO L142 LiptonReduction]: Number of co-enabled transitions 1300 [2021-03-25 14:35:21,598 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-03-25 14:35:21,965 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2021-03-25 14:35:22,093 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-25 14:35:22,132 INFO L154 LiptonReduction]: Checked pairs total: 670 [2021-03-25 14:35:22,132 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:35:22,132 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 907 [2021-03-25 14:35:22,133 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 70 transitions, 613 flow [2021-03-25 14:35:22,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 167.83333333333334) internal successors, (1007), 6 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:22,133 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:35:22,133 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:35:22,133 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 14:35:22,134 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:35:22,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:35:22,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1175199639, now seen corresponding path program 1 times [2021-03-25 14:35:22,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:35:22,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979453328] [2021-03-25 14:35:22,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:35:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:35:22,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:22,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:35:22,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:22,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:22,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:22,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:22,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:35:22,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979453328] [2021-03-25 14:35:22,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:35:22,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:35:22,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112155346] [2021-03-25 14:35:22,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:35:22,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:35:22,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:35:22,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:35:22,177 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 203 [2021-03-25 14:35:22,178 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 70 transitions, 613 flow. Second operand has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:22,178 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:35:22,178 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 203 [2021-03-25 14:35:22,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:35:22,463 INFO L129 PetriNetUnfolder]: 1280/2612 cut-off events. [2021-03-25 14:35:22,464 INFO L130 PetriNetUnfolder]: For 20730/25485 co-relation queries the response was YES. [2021-03-25 14:35:22,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14493 conditions, 2612 events. 1280/2612 cut-off events. For 20730/25485 co-relation queries the response was YES. Maximal size of possible extension queue 605. Compared 22768 event pairs, 39 based on Foata normal form. 36/2125 useless extension candidates. Maximal degree in co-relation 14458. Up to 1833 conditions per place. [2021-03-25 14:35:22,494 INFO L132 encePairwiseOnDemand]: 200/203 looper letters, 4 selfloop transitions, 2 changer transitions 2/72 dead transitions. [2021-03-25 14:35:22,494 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 72 transitions, 647 flow [2021-03-25 14:35:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:35:22,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:35:22,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 719 transitions. [2021-03-25 14:35:22,497 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8854679802955665 [2021-03-25 14:35:22,497 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 719 transitions. [2021-03-25 14:35:22,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 719 transitions. [2021-03-25 14:35:22,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:35:22,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 719 transitions. [2021-03-25 14:35:22,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 179.75) internal successors, (719), 4 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:22,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 203.0) internal successors, (1015), 5 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:22,507 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 203.0) internal successors, (1015), 5 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:22,507 INFO L185 Difference]: Start difference. First operand has 85 places, 70 transitions, 613 flow. Second operand 4 states and 719 transitions. [2021-03-25 14:35:22,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 72 transitions, 647 flow [2021-03-25 14:35:22,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 72 transitions, 546 flow, removed 36 selfloop flow, removed 4 redundant places. [2021-03-25 14:35:22,787 INFO L241 Difference]: Finished difference. Result has 86 places, 69 transitions, 498 flow [2021-03-25 14:35:22,787 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=498, PETRI_PLACES=86, PETRI_TRANSITIONS=69} [2021-03-25 14:35:22,787 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 29 predicate places. [2021-03-25 14:35:22,787 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:35:22,787 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 69 transitions, 498 flow [2021-03-25 14:35:22,787 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 69 transitions, 498 flow [2021-03-25 14:35:22,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 69 transitions, 498 flow [2021-03-25 14:35:23,000 INFO L129 PetriNetUnfolder]: 1272/2596 cut-off events. [2021-03-25 14:35:23,000 INFO L130 PetriNetUnfolder]: For 8227/8667 co-relation queries the response was YES. [2021-03-25 14:35:23,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9862 conditions, 2596 events. 1272/2596 cut-off events. For 8227/8667 co-relation queries the response was YES. Maximal size of possible extension queue 578. Compared 23226 event pairs, 39 based on Foata normal form. 17/2096 useless extension candidates. Maximal degree in co-relation 9827. Up to 877 conditions per place. [2021-03-25 14:35:23,040 INFO L142 LiptonReduction]: Number of co-enabled transitions 1336 [2021-03-25 14:35:23,817 INFO L154 LiptonReduction]: Checked pairs total: 78 [2021-03-25 14:35:23,817 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 14:35:23,818 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1031 [2021-03-25 14:35:23,821 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 66 transitions, 480 flow [2021-03-25 14:35:23,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:23,821 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:35:23,821 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:35:23,821 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 14:35:23,821 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:35:23,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:35:23,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1858143639, now seen corresponding path program 1 times [2021-03-25 14:35:23,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:35:23,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111928933] [2021-03-25 14:35:23,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:35:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:35:23,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:23,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:23,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:23,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:23,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:23,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:23,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:23,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:23,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:23,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:35:23,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:35:23,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:35:23,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:35:23,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111928933] [2021-03-25 14:35:23,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:35:23,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:35:23,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823480861] [2021-03-25 14:35:23,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:35:23,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:35:23,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:35:23,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:35:23,907 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 203 [2021-03-25 14:35:23,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 66 transitions, 480 flow. Second operand has 7 states, 7 states have (on average 168.85714285714286) internal successors, (1182), 7 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:23,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:35:23,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 203 [2021-03-25 14:35:23,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:35:24,151 INFO L129 PetriNetUnfolder]: 1031/1818 cut-off events. [2021-03-25 14:35:24,152 INFO L130 PetriNetUnfolder]: For 6743/9399 co-relation queries the response was YES. [2021-03-25 14:35:24,163 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7499 conditions, 1818 events. 1031/1818 cut-off events. For 6743/9399 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 12253 event pairs, 0 based on Foata normal form. 313/1759 useless extension candidates. Maximal degree in co-relation 7462. Up to 791 conditions per place. [2021-03-25 14:35:24,166 INFO L132 encePairwiseOnDemand]: 196/203 looper letters, 6 selfloop transitions, 18 changer transitions 15/63 dead transitions. [2021-03-25 14:35:24,166 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 63 transitions, 514 flow [2021-03-25 14:35:24,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 14:35:24,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 14:35:24,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1375 transitions. [2021-03-25 14:35:24,169 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8466748768472906 [2021-03-25 14:35:24,169 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1375 transitions. [2021-03-25 14:35:24,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1375 transitions. [2021-03-25 14:35:24,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:35:24,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1375 transitions. [2021-03-25 14:35:24,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 171.875) internal successors, (1375), 8 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:24,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 203.0) internal successors, (1827), 9 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:24,175 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 203.0) internal successors, (1827), 9 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:24,175 INFO L185 Difference]: Start difference. First operand has 86 places, 66 transitions, 480 flow. Second operand 8 states and 1375 transitions. [2021-03-25 14:35:24,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 63 transitions, 514 flow [2021-03-25 14:35:24,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 63 transitions, 451 flow, removed 28 selfloop flow, removed 8 redundant places. [2021-03-25 14:35:24,200 INFO L241 Difference]: Finished difference. Result has 82 places, 45 transitions, 326 flow [2021-03-25 14:35:24,200 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=326, PETRI_PLACES=82, PETRI_TRANSITIONS=45} [2021-03-25 14:35:24,201 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 25 predicate places. [2021-03-25 14:35:24,201 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:35:24,201 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 45 transitions, 326 flow [2021-03-25 14:35:24,201 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 45 transitions, 326 flow [2021-03-25 14:35:24,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 45 transitions, 326 flow [2021-03-25 14:35:24,218 INFO L129 PetriNetUnfolder]: 85/224 cut-off events. [2021-03-25 14:35:24,219 INFO L130 PetriNetUnfolder]: For 553/630 co-relation queries the response was YES. [2021-03-25 14:35:24,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 963 conditions, 224 events. 85/224 cut-off events. For 553/630 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1111 event pairs, 0 based on Foata normal form. 1/201 useless extension candidates. Maximal degree in co-relation 936. Up to 103 conditions per place. [2021-03-25 14:35:24,221 INFO L142 LiptonReduction]: Number of co-enabled transitions 434 [2021-03-25 14:35:24,857 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 184 [2021-03-25 14:35:25,060 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-03-25 14:35:26,995 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 339 DAG size of output: 264 [2021-03-25 14:35:27,508 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-03-25 14:35:27,824 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-03-25 14:35:28,051 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-03-25 14:35:28,595 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-03-25 14:35:29,170 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-03-25 14:35:29,178 INFO L154 LiptonReduction]: Checked pairs total: 74 [2021-03-25 14:35:29,178 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-25 14:35:29,179 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4978 [2021-03-25 14:35:29,179 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 40 transitions, 308 flow [2021-03-25 14:35:29,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 168.85714285714286) internal successors, (1182), 7 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:35:29,179 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:35:29,179 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:35:29,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 14:35:29,180 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:35:29,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:35:29,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1923621145, now seen corresponding path program 1 times [2021-03-25 14:35:29,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:35:29,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149189964] [2021-03-25 14:35:29,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:35:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 14:35:29,226 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 14:35:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 14:35:29,271 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 14:35:29,316 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 14:35:29,316 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 14:35:29,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-25 14:35:29,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 02:35:29 BasicIcfg [2021-03-25 14:35:29,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 14:35:29,424 INFO L168 Benchmark]: Toolchain (without parser) took 29475.32 ms. Allocated memory was 339.7 MB in the beginning and 708.8 MB in the end (delta: 369.1 MB). Free memory was 302.6 MB in the beginning and 364.2 MB in the end (delta: -61.6 MB). Peak memory consumption was 310.6 MB. Max. memory is 16.0 GB. [2021-03-25 14:35:29,427 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 339.7 MB. Free memory was 320.8 MB in the beginning and 320.8 MB in the end (delta: 73.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 14:35:29,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.90 ms. Allocated memory is still 339.7 MB. Free memory was 302.4 MB in the beginning and 299.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-03-25 14:35:29,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.25 ms. Allocated memory is still 339.7 MB. Free memory was 299.2 MB in the beginning and 296.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-25 14:35:29,431 INFO L168 Benchmark]: Boogie Preprocessor took 28.90 ms. Allocated memory is still 339.7 MB. Free memory was 296.1 MB in the beginning and 294.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:35:29,431 INFO L168 Benchmark]: RCFGBuilder took 1599.31 ms. Allocated memory is still 339.7 MB. Free memory was 294.0 MB in the beginning and 259.8 MB in the end (delta: 34.1 MB). Peak memory consumption was 150.5 MB. Max. memory is 16.0 GB. [2021-03-25 14:35:29,431 INFO L168 Benchmark]: TraceAbstraction took 27188.95 ms. Allocated memory was 339.7 MB in the beginning and 708.8 MB in the end (delta: 369.1 MB). Free memory was 258.8 MB in the beginning and 364.2 MB in the end (delta: -105.4 MB). Peak memory consumption was 263.7 MB. Max. memory is 16.0 GB. [2021-03-25 14:35:29,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 339.7 MB. Free memory was 320.8 MB in the beginning and 320.8 MB in the end (delta: 73.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 573.90 ms. Allocated memory is still 339.7 MB. Free memory was 302.4 MB in the beginning and 299.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 77.25 ms. Allocated memory is still 339.7 MB. Free memory was 299.2 MB in the beginning and 296.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.90 ms. Allocated memory is still 339.7 MB. Free memory was 296.1 MB in the beginning and 294.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1599.31 ms. Allocated memory is still 339.7 MB. Free memory was 294.0 MB in the beginning and 259.8 MB in the end (delta: 34.1 MB). Peak memory consumption was 150.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 27188.95 ms. Allocated memory was 339.7 MB in the beginning and 708.8 MB in the end (delta: 369.1 MB). Free memory was 258.8 MB in the beginning and 364.2 MB in the end (delta: -105.4 MB). Peak memory consumption was 263.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8753.9ms, 123 PlacesBefore, 57 PlacesAfterwards, 112 TransitionsBefore, 45 TransitionsAfterwards, 2598 CoEnabledTransitionPairs, 6 FixpointIterations, 31 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 75 TotalNumberOfCompositions, 4306 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2431, positive: 2328, positive conditional: 0, positive unconditional: 2328, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1653, positive: 1613, positive conditional: 0, positive unconditional: 1613, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1653, positive: 1613, positive conditional: 0, positive unconditional: 1613, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1653, positive: 1600, positive conditional: 0, positive unconditional: 1600, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 668, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 631, negative conditional: 0, negative unconditional: 631, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2431, positive: 715, positive conditional: 0, positive unconditional: 715, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 1653, unknown conditional: 0, unknown unconditional: 1653] , Statistics on independence cache: Total cache size (in pairs): 255, Positive cache size: 232, Positive conditional cache size: 0, Positive unconditional cache size: 232, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4570.0ms, 53 PlacesBefore, 37 PlacesAfterwards, 37 TransitionsBefore, 26 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 5 FixpointIterations, 9 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 1982 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 592, positive: 478, positive conditional: 0, positive unconditional: 478, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 60, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 60, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 282, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 216, negative conditional: 0, negative unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 592, positive: 431, positive conditional: 0, positive unconditional: 431, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 60, unknown conditional: 0, unknown unconditional: 60] , Statistics on independence cache: Total cache size (in pairs): 250, Positive cache size: 222, Positive conditional cache size: 0, Positive unconditional cache size: 222, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42.8ms, 38 PlacesBefore, 38 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 376 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 351 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 99, positive: 79, positive conditional: 0, positive unconditional: 79, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 99, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 254, Positive cache size: 224, Positive conditional cache size: 0, Positive unconditional cache size: 224, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.9ms, 40 PlacesBefore, 40 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 275 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 51, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 23, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 51, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 256, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 249.6ms, 42 PlacesBefore, 42 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 382 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 94, positive: 74, positive conditional: 0, positive unconditional: 74, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 239, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 239, negative conditional: 0, negative unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 94, positive: 74, positive conditional: 0, positive unconditional: 74, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 263, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 38, Negative conditional cache size: 0, Negative unconditional cache size: 38 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.5ms, 44 PlacesBefore, 44 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 428 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 364 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 80, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 80, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 263, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 38, Negative conditional cache size: 0, Negative unconditional cache size: 38 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.4ms, 47 PlacesBefore, 47 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 510 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 360 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 121, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 121, positive: 99, positive conditional: 0, positive unconditional: 99, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 268, Positive cache size: 230, Positive conditional cache size: 0, Positive unconditional cache size: 230, Negative cache size: 38, Negative conditional cache size: 0, Negative unconditional cache size: 38 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.5ms, 52 PlacesBefore, 52 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 596 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 439 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 162, positive: 142, positive conditional: 0, positive unconditional: 142, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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.Query Time [ms]: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 162, positive: 137, positive conditional: 0, positive unconditional: 137, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 273, Positive cache size: 235, Positive conditional cache size: 0, Positive unconditional cache size: 235, Negative cache size: 38, Negative conditional cache size: 0, Negative unconditional cache size: 38 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.1ms, 58 PlacesBefore, 58 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 489 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 163, positive: 143, positive conditional: 0, positive unconditional: 143, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 163, positive: 143, positive conditional: 0, positive unconditional: 143, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 273, Positive cache size: 235, Positive conditional cache size: 0, Positive unconditional cache size: 235, Negative cache size: 38, Negative conditional cache size: 0, Negative unconditional cache size: 38 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.6ms, 63 PlacesBefore, 63 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 754 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 584 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 197, positive: 173, positive conditional: 0, positive unconditional: 173, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 197, positive: 173, positive conditional: 0, positive unconditional: 173, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 273, Positive cache size: 235, Positive conditional cache size: 0, Positive unconditional cache size: 235, Negative cache size: 38, Negative conditional cache size: 0, Negative unconditional cache size: 38 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 262.1ms, 67 PlacesBefore, 67 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 1026 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 263 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 102, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 102, positive: 92, positive conditional: 0, positive unconditional: 92, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 274, Positive cache size: 236, Positive conditional cache size: 0, Positive unconditional cache size: 236, Negative cache size: 38, Negative conditional cache size: 0, Negative unconditional cache size: 38 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 268.2ms, 72 PlacesBefore, 72 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 1022 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 328 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 157, positive: 146, positive conditional: 0, positive unconditional: 146, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 157, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 275, Positive cache size: 237, Positive conditional cache size: 0, Positive unconditional cache size: 237, Negative cache size: 38, Negative conditional cache size: 0, Negative unconditional cache size: 38 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 208.6ms, 77 PlacesBefore, 77 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 1236 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 364 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 162, positive: 152, positive conditional: 0, positive unconditional: 152, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 162, positive: 152, positive conditional: 0, positive unconditional: 152, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 275, Positive cache size: 237, Positive conditional cache size: 0, Positive unconditional cache size: 237, Negative cache size: 38, Negative conditional cache size: 0, Negative unconditional cache size: 38 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 279.8ms, 77 PlacesBefore, 77 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 1236 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 364 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 164, positive: 154, positive conditional: 0, positive unconditional: 154, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 164, positive: 154, positive conditional: 0, positive unconditional: 154, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 275, Positive cache size: 237, Positive conditional cache size: 0, Positive unconditional cache size: 237, Negative cache size: 38, Negative conditional cache size: 0, Negative unconditional cache size: 38 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 906.8ms, 85 PlacesBefore, 85 PlacesAfterwards, 70 TransitionsBefore, 70 TransitionsAfterwards, 1300 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 670 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 338, positive: 322, positive conditional: 0, positive unconditional: 322, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 338, positive: 316, positive conditional: 0, positive unconditional: 316, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 270, Positive cache size: 242, Positive conditional cache size: 0, Positive unconditional cache size: 242, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1030.1ms, 86 PlacesBefore, 86 PlacesAfterwards, 69 TransitionsBefore, 66 TransitionsAfterwards, 1336 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 78 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 78, positive: 78, positive conditional: 0, positive unconditional: 78, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 78, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 255, Positive cache size: 228, Positive conditional cache size: 0, Positive unconditional cache size: 228, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4977.3ms, 82 PlacesBefore, 71 PlacesAfterwards, 45 TransitionsBefore, 40 TransitionsAfterwards, 434 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 74 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 74, positive: 74, positive conditional: 0, positive unconditional: 74, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 0, positive unconditional: 12, 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: 12, positive: 12, positive conditional: 0, positive unconditional: 12, 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: 74, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , Statistics on independence cache: Total cache size (in pairs): 155, Positive cache size: 148, Positive conditional cache size: 0, Positive unconditional cache size: 148, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p3_EAX = 0; [L714] 0 int __unbuffered_p3_EBX = 0; [L716] 0 int a = 0; [L718] 0 int b = 0; [L719] 0 _Bool main$tmp_guard0; [L720] 0 _Bool main$tmp_guard1; [L722] 0 int x = 0; [L724] 0 int y = 0; [L726] 0 int z = 0; [L727] 0 _Bool z$flush_delayed; [L728] 0 int z$mem_tmp; [L729] 0 _Bool z$r_buff0_thd0; [L730] 0 _Bool z$r_buff0_thd1; [L731] 0 _Bool z$r_buff0_thd2; [L732] 0 _Bool z$r_buff0_thd3; [L733] 0 _Bool z$r_buff0_thd4; [L734] 0 _Bool z$r_buff1_thd0; [L735] 0 _Bool z$r_buff1_thd1; [L736] 0 _Bool z$r_buff1_thd2; [L737] 0 _Bool z$r_buff1_thd3; [L738] 0 _Bool z$r_buff1_thd4; [L739] 0 _Bool z$read_delayed; [L740] 0 int *z$read_delayed_var; [L741] 0 int z$w_buff0; [L742] 0 _Bool z$w_buff0_used; [L743] 0 int z$w_buff1; [L744] 0 _Bool z$w_buff1_used; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L844] 0 pthread_t t1253; [L845] FCALL, FORK 0 pthread_create(&t1253, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L846] 0 pthread_t t1254; [L847] FCALL, FORK 0 pthread_create(&t1254, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L848] 0 pthread_t t1255; [L849] FCALL, FORK 0 pthread_create(&t1255, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 pthread_t t1256; [L851] FCALL, FORK 0 pthread_create(&t1256, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L800] 4 z$w_buff1 = z$w_buff0 [L801] 4 z$w_buff0 = 2 [L802] 4 z$w_buff1_used = z$w_buff0_used [L803] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L805] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L806] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L807] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L808] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L809] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L810] 4 z$r_buff0_thd4 = (_Bool)1 [L813] 4 a = 1 [L816] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L819] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L750] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L753] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L765] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L768] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L780] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L783] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L822] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L822] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L823] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L823] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L824] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L824] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L825] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L825] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L826] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L760] 1 return 0; [L773] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L775] 2 return 0; [L786] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L786] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L786] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L786] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L787] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L787] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L788] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L789] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L789] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L790] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L790] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L793] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L795] 3 return 0; [L829] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L831] 4 return 0; [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L857] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L857] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L858] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L858] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L859] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L860] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L860] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L861] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L861] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L864] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L865] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L866] 0 z$flush_delayed = weak$$choice2 [L867] 0 z$mem_tmp = z [L868] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L868] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L869] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L869] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L870] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L870] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L871] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L871] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L872] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L873] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L873] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L874] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L876] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L876] 0 z = z$flush_delayed ? z$mem_tmp : z [L877] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 115 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 26961.5ms, OverallIterations: 17, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 3213.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8827.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 57 SDtfs, 37 SDslu, 25 SDs, 0 SdLazy, 389 SolverSat, 109 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 400.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 401.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=613occurred in iteration=14, InterpolantAutomatonStates: 77, 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: 56.2ms SsaConstructionTime, 488.5ms SatisfiabilityAnalysisTime, 1020.6ms InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 1318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...