/usr/bin/java -Xmx8000000000 -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-NoLbe-OGIterative-CovSimpl-Hitting.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 17:17:47,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 17:17:47,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 17:17:47,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-13 17:17:47,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 17:17:47,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 17:17:47,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 17:17:47,786 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-NoLbe-OGIterative-CovSimpl-Hitting.epf [2021-08-13 17:17:47,800 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 17:17:47,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 17:17:47,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 17:17:47,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 17:17:47,802 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 17:17:47,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 17:17:47,802 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 17:17:47,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 17:17:47,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 17:17:47,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 17:17:47,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 17:17:47,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 17:17:47,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 17:17:47,802 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 17:17:47,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 17:17:47,803 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 17:17:47,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 17:17:47,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 17:17:47,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 17:17:47,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 17:17:47,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 17:17:47,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 17:17:47,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 17:17:47,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 17:17:47,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 17:17:47,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 17:17:47,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 17:17:47,804 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 17:17:47,804 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 17:17:47,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 17:17:47,804 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 17:17:47,804 INFO L138 SettingsManager]: * Use hitting sets in computation of OwickiGries annotation=true [2021-08-13 17:17:47,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-13 17:17:47,805 INFO L138 SettingsManager]: * Simplify away covered predicates in OwickiGries annotation=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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 17:17:48,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 17:17:48,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 17:17:48,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 17:17:48,026 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 17:17:48,026 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 17:17:48,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2021-08-13 17:17:48,062 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40e8aa022/0ded458518b64afd98aef0d7190b627f/FLAGa6625468e [2021-08-13 17:17:48,728 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 17:17:48,729 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2021-08-13 17:17:48,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40e8aa022/0ded458518b64afd98aef0d7190b627f/FLAGa6625468e [2021-08-13 17:17:48,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40e8aa022/0ded458518b64afd98aef0d7190b627f [2021-08-13 17:17:48,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 17:17:48,845 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 17:17:48,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 17:17:48,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 17:17:48,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 17:17:48,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 05:17:48" (1/1) ... [2021-08-13 17:17:48,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ace1683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:17:48, skipping insertion in model container [2021-08-13 17:17:48,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 05:17:48" (1/1) ... [2021-08-13 17:17:48,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 17:17:48,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 17:17:48,978 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-13 17:17:49,309 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i[75002,75015] [2021-08-13 17:17:49,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 17:17:49,326 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 17:17:49,333 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-13 17:17:49,349 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i[75002,75015] [2021-08-13 17:17:49,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 17:17:49,522 INFO L208 MainTranslator]: Completed translation [2021-08-13 17:17:49,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:17:49 WrapperNode [2021-08-13 17:17:49,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 17:17:49,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 17:17:49,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 17:17:49,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 17:17:49,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:17:49" (1/1) ... [2021-08-13 17:17:49,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:17:49" (1/1) ... [2021-08-13 17:17:49,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 17:17:49,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 17:17:49,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 17:17:49,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 17:17:49,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:17:49" (1/1) ... [2021-08-13 17:17:49,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:17:49" (1/1) ... [2021-08-13 17:17:49,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:17:49" (1/1) ... [2021-08-13 17:17:49,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:17:49" (1/1) ... [2021-08-13 17:17:49,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:17:49" (1/1) ... [2021-08-13 17:17:49,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:17:49" (1/1) ... [2021-08-13 17:17:49,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:17:49" (1/1) ... [2021-08-13 17:17:49,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 17:17:49,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 17:17:49,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 17:17:49,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 17:17:49,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:17:49" (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 [2021-08-13 17:17:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-13 17:17:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 17:17:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-13 17:17:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-13 17:17:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-13 17:17:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 17:17:49,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 17:17:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-08-13 17:17:49,692 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-08-13 17:17:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 17:17:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 17:17:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-13 17:17:49,694 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 17:17:50,098 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 17:17:50,098 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-08-13 17:17:50,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 05:17:50 BoogieIcfgContainer [2021-08-13 17:17:50,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 17:17:50,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 17:17:50,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 17:17:50,102 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 17:17:50,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 05:17:48" (1/3) ... [2021-08-13 17:17:50,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a6399a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 05:17:50, skipping insertion in model container [2021-08-13 17:17:50,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:17:49" (2/3) ... [2021-08-13 17:17:50,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a6399a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 05:17:50, skipping insertion in model container [2021-08-13 17:17:50,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 05:17:50" (3/3) ... [2021-08-13 17:17:50,104 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2021-08-13 17:17:50,108 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 17:17:50,108 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-08-13 17:17:50,109 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 17:17:50,129 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,129 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,129 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,129 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,130 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,130 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,130 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,130 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,130 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,130 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,130 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,131 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,131 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,131 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,131 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,131 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,131 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,131 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,131 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,131 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,131 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,132 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,132 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,132 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,132 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,132 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,132 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,132 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,132 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,132 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,132 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,133 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,133 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,133 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,133 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,133 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,133 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,133 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,133 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,134 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,134 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,134 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,134 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,134 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,134 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,134 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,134 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,134 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,134 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,135 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,135 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,135 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,135 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,135 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,135 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,135 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,135 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,135 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,136 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,136 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,136 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,136 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,136 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,136 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,136 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,136 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,136 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,136 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,137 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,137 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,137 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,137 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,137 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,137 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,137 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,137 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,137 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,137 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,138 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,138 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,138 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,138 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,138 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,138 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,138 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,138 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,138 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,138 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,138 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,139 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,139 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,139 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,139 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,139 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,139 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,139 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,139 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,139 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,140 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,140 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,140 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,140 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,140 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,140 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,140 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,140 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,140 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,141 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,141 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,141 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,141 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,141 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,141 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,141 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,141 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,141 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,143 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,143 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,143 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,143 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,144 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,144 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,144 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,144 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,144 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,144 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,144 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,144 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,146 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,146 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,146 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,146 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,146 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,147 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,147 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,147 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,147 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,147 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,147 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,147 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:17:50,154 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-13 17:17:50,169 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-13 17:17:50,183 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 17:17:50,183 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 17:17:50,183 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 17:17:50,183 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 17:17:50,183 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 17:17:50,183 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 17:17:50,183 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 17:17:50,183 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 17:17:50,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 143 transitions, 308 flow [2021-08-13 17:17:50,227 INFO L129 PetriNetUnfolder]: 9/183 cut-off events. [2021-08-13 17:17:50,228 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-08-13 17:17:50,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 183 events. 9/183 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 335 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 96. Up to 4 conditions per place. [2021-08-13 17:17:50,231 INFO L82 GeneralOperation]: Start removeDead. Operand has 141 places, 143 transitions, 308 flow [2021-08-13 17:17:50,234 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 131 places, 131 transitions, 280 flow [2021-08-13 17:17:50,246 INFO L129 PetriNetUnfolder]: 0/84 cut-off events. [2021-08-13 17:17:50,246 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 17:17:50,246 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:17:50,247 INFO L266 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:17:50,247 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:17:50,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:17:50,250 INFO L82 PathProgramCache]: Analyzing trace with hash 918719424, now seen corresponding path program 1 times [2021-08-13 17:17:50,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:17:50,256 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360276865] [2021-08-13 17:17:50,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:17:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:17:50,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:50,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:17:50,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:50,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 17:17:50,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:50,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:17:50,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:50,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:17:50,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:50,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:17:50,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:50,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:17:50,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:50,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:17:50,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:17:50,532 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:17:50,533 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360276865] [2021-08-13 17:17:50,533 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360276865] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:17:50,533 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:17:50,533 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 17:17:50,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662131088] [2021-08-13 17:17:50,539 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 17:17:50,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:17:50,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 17:17:50,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 17:17:50,550 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 143 [2021-08-13 17:17:50,553 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 131 transitions, 280 flow. Second operand has 6 states, 6 states have (on average 86.66666666666667) internal successors, (520), 6 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:50,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:17:50,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 143 [2021-08-13 17:17:50,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:17:51,016 INFO L129 PetriNetUnfolder]: 833/1783 cut-off events. [2021-08-13 17:17:51,016 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-08-13 17:17:51,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3264 conditions, 1783 events. 833/1783 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 11035 event pairs, 187 based on Foata normal form. 17/1760 useless extension candidates. Maximal degree in co-relation 3084. Up to 596 conditions per place. [2021-08-13 17:17:51,032 INFO L132 encePairwiseOnDemand]: 123/143 looper letters, 94 selfloop transitions, 44 changer transitions 0/215 dead transitions. [2021-08-13 17:17:51,032 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 215 transitions, 724 flow [2021-08-13 17:17:51,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-13 17:17:51,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-08-13 17:17:51,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1319 transitions. [2021-08-13 17:17:51,046 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6588411588411588 [2021-08-13 17:17:51,047 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1319 transitions. [2021-08-13 17:17:51,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1319 transitions. [2021-08-13 17:17:51,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:17:51,051 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1319 transitions. [2021-08-13 17:17:51,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 94.21428571428571) internal successors, (1319), 14 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:51,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 143.0) internal successors, (2145), 15 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:51,065 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 143.0) internal successors, (2145), 15 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:51,066 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 10 predicate places. [2021-08-13 17:17:51,066 INFO L482 AbstractCegarLoop]: Abstraction has has 141 places, 215 transitions, 724 flow [2021-08-13 17:17:51,067 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 86.66666666666667) internal successors, (520), 6 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:51,067 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:17:51,068 INFO L266 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, 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, 1, 1, 1, 1] [2021-08-13 17:17:51,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 17:17:51,069 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:17:51,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:17:51,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1316640901, now seen corresponding path program 1 times [2021-08-13 17:17:51,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:17:51,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979529163] [2021-08-13 17:17:51,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:17:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:17:51,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:51,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:17:51,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:51,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:17:51,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:51,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:17:51,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:51,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:17:51,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:51,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:17:51,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:51,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:17:51,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:17:51,243 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:17:51,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979529163] [2021-08-13 17:17:51,243 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979529163] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:17:51,244 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:17:51,244 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 17:17:51,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798510937] [2021-08-13 17:17:51,245 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 17:17:51,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:17:51,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 17:17:51,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 17:17:51,246 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 143 [2021-08-13 17:17:51,247 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 215 transitions, 724 flow. Second operand has 6 states, 6 states have (on average 87.5) internal successors, (525), 6 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:51,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:17:51,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 143 [2021-08-13 17:17:51,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:17:51,623 INFO L129 PetriNetUnfolder]: 1145/2342 cut-off events. [2021-08-13 17:17:51,624 INFO L130 PetriNetUnfolder]: For 128/214 co-relation queries the response was YES. [2021-08-13 17:17:51,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6318 conditions, 2342 events. 1145/2342 cut-off events. For 128/214 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 14998 event pairs, 202 based on Foata normal form. 47/2334 useless extension candidates. Maximal degree in co-relation 6085. Up to 935 conditions per place. [2021-08-13 17:17:51,635 INFO L132 encePairwiseOnDemand]: 128/143 looper letters, 113 selfloop transitions, 41 changer transitions 99/330 dead transitions. [2021-08-13 17:17:51,635 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 330 transitions, 1684 flow [2021-08-13 17:17:51,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-13 17:17:51,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-08-13 17:17:51,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1045 transitions. [2021-08-13 17:17:51,668 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6643356643356644 [2021-08-13 17:17:51,668 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1045 transitions. [2021-08-13 17:17:51,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1045 transitions. [2021-08-13 17:17:51,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:17:51,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1045 transitions. [2021-08-13 17:17:51,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 95.0) internal successors, (1045), 11 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:51,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 143.0) internal successors, (1716), 12 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:51,673 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 143.0) internal successors, (1716), 12 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:51,673 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 20 predicate places. [2021-08-13 17:17:51,673 INFO L482 AbstractCegarLoop]: Abstraction has has 151 places, 330 transitions, 1684 flow [2021-08-13 17:17:51,674 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 87.5) internal successors, (525), 6 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:51,674 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:17:51,674 INFO L266 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:17:51,674 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 17:17:51,674 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:17:51,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:17:51,680 INFO L82 PathProgramCache]: Analyzing trace with hash -78594145, now seen corresponding path program 1 times [2021-08-13 17:17:51,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:17:51,681 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948617663] [2021-08-13 17:17:51,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:17:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:17:51,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:51,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:17:51,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:51,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:17:51,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:51,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:17:51,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:51,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:17:51,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:51,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:17:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:17:51,762 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:17:51,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948617663] [2021-08-13 17:17:51,762 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948617663] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:17:51,763 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:17:51,763 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 17:17:51,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198107193] [2021-08-13 17:17:51,764 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 17:17:51,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:17:51,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 17:17:51,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 17:17:51,766 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 143 [2021-08-13 17:17:51,767 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 330 transitions, 1684 flow. Second operand has 5 states, 5 states have (on average 125.8) internal successors, (629), 5 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:51,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:17:51,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 143 [2021-08-13 17:17:51,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:17:51,826 INFO L129 PetriNetUnfolder]: 73/333 cut-off events. [2021-08-13 17:17:51,826 INFO L130 PetriNetUnfolder]: For 53/103 co-relation queries the response was YES. [2021-08-13 17:17:51,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 748 conditions, 333 events. 73/333 cut-off events. For 53/103 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1198 event pairs, 72 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 484. Up to 162 conditions per place. [2021-08-13 17:17:51,828 INFO L132 encePairwiseOnDemand]: 137/143 looper letters, 5 selfloop transitions, 4 changer transitions 27/131 dead transitions. [2021-08-13 17:17:51,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 131 transitions, 514 flow [2021-08-13 17:17:51,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-13 17:17:51,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-08-13 17:17:51,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 885 transitions. [2021-08-13 17:17:51,830 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8841158841158842 [2021-08-13 17:17:51,830 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 885 transitions. [2021-08-13 17:17:51,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 885 transitions. [2021-08-13 17:17:51,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:17:51,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 885 transitions. [2021-08-13 17:17:51,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 126.42857142857143) internal successors, (885), 7 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:51,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 143.0) internal successors, (1144), 8 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:51,833 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 143.0) internal successors, (1144), 8 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:51,834 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 15 predicate places. [2021-08-13 17:17:51,834 INFO L482 AbstractCegarLoop]: Abstraction has has 146 places, 131 transitions, 514 flow [2021-08-13 17:17:51,835 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 125.8) internal successors, (629), 5 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:51,835 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:17:51,835 INFO L266 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:17:51,836 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 17:17:51,836 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:17:51,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:17:51,836 INFO L82 PathProgramCache]: Analyzing trace with hash -960661887, now seen corresponding path program 1 times [2021-08-13 17:17:51,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:17:51,836 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056949891] [2021-08-13 17:17:51,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:17:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:17:52,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:52,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:17:52,072 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 17:17:52,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:17:52,078 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:17:52,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:17:52,087 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:17:52,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:17:52,098 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:17:52,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:17:52,113 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:52,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:52,126 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:52,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:52,145 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:17:52,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:17:52,158 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:17:52,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:17:52,173 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:17:52,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:17:52,188 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:17:52,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:17:52,209 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 17:17:52,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 17:17:52,249 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 17:17:52,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 17:17:52,308 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 17:17:52,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 17:17:52,324 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:17:52,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:17:52,339 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 17:17:52,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 17:17:52,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:52,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:17:52,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:52,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:17:52,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:52,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:17:52,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:52,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:17:52,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:17:52,396 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:17:52,396 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056949891] [2021-08-13 17:17:52,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056949891] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:17:52,396 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:17:52,397 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 17:17:52,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58904946] [2021-08-13 17:17:52,398 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 17:17:52,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:17:52,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 17:17:52,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-08-13 17:17:52,401 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 17:17:52,402 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 131 transitions, 514 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:52,402 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:17:52,402 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 17:17:52,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:17:53,562 INFO L129 PetriNetUnfolder]: 390/1020 cut-off events. [2021-08-13 17:17:53,562 INFO L130 PetriNetUnfolder]: For 870/1010 co-relation queries the response was YES. [2021-08-13 17:17:53,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2950 conditions, 1020 events. 390/1020 cut-off events. For 870/1010 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5381 event pairs, 67 based on Foata normal form. 0/986 useless extension candidates. Maximal degree in co-relation 2281. Up to 506 conditions per place. [2021-08-13 17:17:53,567 INFO L132 encePairwiseOnDemand]: 117/143 looper letters, 101 selfloop transitions, 23 changer transitions 39/213 dead transitions. [2021-08-13 17:17:53,567 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 213 transitions, 1248 flow [2021-08-13 17:17:53,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 17:17:53,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 17:17:53,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1498 transitions. [2021-08-13 17:17:53,571 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4988344988344988 [2021-08-13 17:17:53,571 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1498 transitions. [2021-08-13 17:17:53,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1498 transitions. [2021-08-13 17:17:53,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:17:53,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1498 transitions. [2021-08-13 17:17:53,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 71.33333333333333) internal successors, (1498), 21 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:53,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 143.0) internal successors, (3146), 22 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:53,578 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 143.0) internal successors, (3146), 22 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:53,578 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 35 predicate places. [2021-08-13 17:17:53,578 INFO L482 AbstractCegarLoop]: Abstraction has has 166 places, 213 transitions, 1248 flow [2021-08-13 17:17:53,579 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:53,579 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:17:53,579 INFO L266 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:17:53,579 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 17:17:53,579 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:17:53,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:17:53,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1636432745, now seen corresponding path program 2 times [2021-08-13 17:17:53,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:17:53,580 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540149410] [2021-08-13 17:17:53,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:17:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:17:53,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:53,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:17:53,691 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 17:17:53,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:17:53,696 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:17:53,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:17:53,703 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:17:53,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:17:53,711 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:17:53,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:17:53,723 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:53,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:53,734 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:53,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:53,746 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:53,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:53,758 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:53,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:53,772 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:53,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:53,788 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-08-13 17:17:53,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 17:17:53,818 INFO L142 QuantifierPusher]: treesize reduction 23, result has 66.2 percent of original size [2021-08-13 17:17:53,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 17:17:53,858 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size [2021-08-13 17:17:53,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-13 17:17:53,874 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:53,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:53,889 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:17:53,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:17:53,900 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:17:53,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:17:53,903 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 17:17:53,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 17:17:53,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:53,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:17:53,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:53,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:17:53,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:53,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:17:53,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:53,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:17:53,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:17:53,941 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:17:53,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540149410] [2021-08-13 17:17:53,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540149410] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:17:53,941 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:17:53,941 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 17:17:53,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735984266] [2021-08-13 17:17:53,941 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 17:17:53,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:17:53,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 17:17:53,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-08-13 17:17:53,944 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 17:17:53,945 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 213 transitions, 1248 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:53,945 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:17:53,945 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 17:17:53,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:17:55,244 INFO L129 PetriNetUnfolder]: 438/1213 cut-off events. [2021-08-13 17:17:55,244 INFO L130 PetriNetUnfolder]: For 1284/1740 co-relation queries the response was YES. [2021-08-13 17:17:55,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4472 conditions, 1213 events. 438/1213 cut-off events. For 1284/1740 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 7037 event pairs, 3 based on Foata normal form. 14/1209 useless extension candidates. Maximal degree in co-relation 3342. Up to 620 conditions per place. [2021-08-13 17:17:55,251 INFO L132 encePairwiseOnDemand]: 114/143 looper letters, 176 selfloop transitions, 42 changer transitions 51/319 dead transitions. [2021-08-13 17:17:55,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 319 transitions, 2562 flow [2021-08-13 17:17:55,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 17:17:55,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 17:17:55,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1511 transitions. [2021-08-13 17:17:55,254 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5031635031635031 [2021-08-13 17:17:55,254 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1511 transitions. [2021-08-13 17:17:55,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1511 transitions. [2021-08-13 17:17:55,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:17:55,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1511 transitions. [2021-08-13 17:17:55,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 71.95238095238095) internal successors, (1511), 21 states have internal predecessors, (1511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:55,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 143.0) internal successors, (3146), 22 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:55,261 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 143.0) internal successors, (3146), 22 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:55,261 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 55 predicate places. [2021-08-13 17:17:55,261 INFO L482 AbstractCegarLoop]: Abstraction has has 186 places, 319 transitions, 2562 flow [2021-08-13 17:17:55,261 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:55,261 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:17:55,262 INFO L266 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:17:55,262 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-13 17:17:55,262 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:17:55,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:17:55,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1627441239, now seen corresponding path program 3 times [2021-08-13 17:17:55,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:17:55,262 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102638728] [2021-08-13 17:17:55,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:17:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:17:55,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:55,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:17:55,367 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 17:17:55,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:17:55,371 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:17:55,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:17:55,379 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:17:55,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:17:55,386 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:17:55,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:17:55,399 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:55,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:55,409 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:55,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:55,421 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:55,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:55,433 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:55,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:55,447 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:55,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:55,462 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-08-13 17:17:55,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 17:17:55,493 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 17:17:55,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 17:17:55,523 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 17:17:55,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 17:17:55,557 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 17:17:55,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 17:17:55,574 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:17:55,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:17:55,586 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:17:55,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:17:55,588 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 17:17:55,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 17:17:55,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:55,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:17:55,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:55,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:17:55,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:55,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:17:55,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:55,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:17:55,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:17:55,633 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:17:55,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102638728] [2021-08-13 17:17:55,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102638728] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:17:55,633 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:17:55,633 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 17:17:55,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143386435] [2021-08-13 17:17:55,634 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 17:17:55,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:17:55,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 17:17:55,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2021-08-13 17:17:55,635 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 17:17:55,636 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 319 transitions, 2562 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:55,636 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:17:55,636 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 17:17:55,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:17:57,074 INFO L129 PetriNetUnfolder]: 492/1447 cut-off events. [2021-08-13 17:17:57,074 INFO L130 PetriNetUnfolder]: For 2198/3262 co-relation queries the response was YES. [2021-08-13 17:17:57,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6437 conditions, 1447 events. 492/1447 cut-off events. For 2198/3262 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 9098 event pairs, 3 based on Foata normal form. 164/1585 useless extension candidates. Maximal degree in co-relation 4615. Up to 756 conditions per place. [2021-08-13 17:17:57,081 INFO L132 encePairwiseOnDemand]: 114/143 looper letters, 215 selfloop transitions, 56 changer transitions 65/386 dead transitions. [2021-08-13 17:17:57,081 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 386 transitions, 3860 flow [2021-08-13 17:17:57,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 17:17:57,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 17:17:57,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1601 transitions. [2021-08-13 17:17:57,085 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5089001907183726 [2021-08-13 17:17:57,085 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1601 transitions. [2021-08-13 17:17:57,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1601 transitions. [2021-08-13 17:17:57,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:17:57,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1601 transitions. [2021-08-13 17:17:57,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 72.77272727272727) internal successors, (1601), 22 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:57,091 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:57,092 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:57,092 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 76 predicate places. [2021-08-13 17:17:57,092 INFO L482 AbstractCegarLoop]: Abstraction has has 207 places, 386 transitions, 3860 flow [2021-08-13 17:17:57,092 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:57,092 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:17:57,092 INFO L266 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:17:57,093 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-13 17:17:57,093 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:17:57,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:17:57,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1095219901, now seen corresponding path program 4 times [2021-08-13 17:17:57,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:17:57,093 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650004454] [2021-08-13 17:17:57,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:17:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:17:57,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:57,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:17:57,190 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 17:17:57,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:17:57,194 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:17:57,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:17:57,200 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:17:57,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:17:57,209 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:17:57,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:17:57,220 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:57,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:57,231 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:57,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:57,242 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:57,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:57,255 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:57,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:57,269 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:57,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:57,285 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:17:57,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:17:57,299 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 17:17:57,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 17:17:57,329 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 17:17:57,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 17:17:57,362 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 17:17:57,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 17:17:57,374 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:17:57,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:17:57,386 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:17:57,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:17:57,387 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 17:17:57,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 17:17:57,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:57,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:17:57,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:57,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:17:57,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:57,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:17:57,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:57,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:17:57,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:17:57,428 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:17:57,428 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650004454] [2021-08-13 17:17:57,428 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650004454] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:17:57,428 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:17:57,428 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 17:17:57,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925381981] [2021-08-13 17:17:57,429 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 17:17:57,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:17:57,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 17:17:57,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2021-08-13 17:17:57,431 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 17:17:57,432 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 386 transitions, 3860 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:57,432 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:17:57,432 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 17:17:57,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:17:58,155 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-08-13 17:17:58,815 INFO L129 PetriNetUnfolder]: 558/1713 cut-off events. [2021-08-13 17:17:58,815 INFO L130 PetriNetUnfolder]: For 3568/4728 co-relation queries the response was YES. [2021-08-13 17:17:58,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8870 conditions, 1713 events. 558/1713 cut-off events. For 3568/4728 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 11543 event pairs, 3 based on Foata normal form. 117/1801 useless extension candidates. Maximal degree in co-relation 6182. Up to 904 conditions per place. [2021-08-13 17:17:58,825 INFO L132 encePairwiseOnDemand]: 116/143 looper letters, 285 selfloop transitions, 46 changer transitions 79/460 dead transitions. [2021-08-13 17:17:58,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 460 transitions, 5520 flow [2021-08-13 17:17:58,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 17:17:58,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 17:17:58,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1593 transitions. [2021-08-13 17:17:58,829 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5063572790845519 [2021-08-13 17:17:58,829 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1593 transitions. [2021-08-13 17:17:58,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1593 transitions. [2021-08-13 17:17:58,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:17:58,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1593 transitions. [2021-08-13 17:17:58,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 72.4090909090909) internal successors, (1593), 22 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:58,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:58,835 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:58,835 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 97 predicate places. [2021-08-13 17:17:58,836 INFO L482 AbstractCegarLoop]: Abstraction has has 228 places, 460 transitions, 5520 flow [2021-08-13 17:17:58,836 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:58,836 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:17:58,836 INFO L266 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:17:58,836 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-13 17:17:58,836 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:17:58,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:17:58,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1673175919, now seen corresponding path program 5 times [2021-08-13 17:17:58,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:17:58,837 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264008998] [2021-08-13 17:17:58,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:17:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:17:58,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:58,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:17:58,935 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 17:17:58,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:17:58,939 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:17:58,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:17:58,945 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:17:58,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:17:59,001 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:17:59,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:17:59,013 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:59,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:59,024 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:59,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:59,035 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:59,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:59,047 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:17:59,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:17:59,060 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:17:59,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:17:59,071 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:17:59,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:17:59,084 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 17:17:59,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 17:17:59,116 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 17:17:59,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 17:17:59,165 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 17:17:59,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 17:17:59,185 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:17:59,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:17:59,197 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:17:59,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:17:59,198 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 17:17:59,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 17:17:59,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:59,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:17:59,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:59,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:17:59,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:59,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:17:59,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:17:59,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:17:59,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:17:59,242 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:17:59,242 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264008998] [2021-08-13 17:17:59,242 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264008998] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:17:59,244 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:17:59,244 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 17:17:59,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751699207] [2021-08-13 17:17:59,245 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 17:17:59,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:17:59,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 17:17:59,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2021-08-13 17:17:59,247 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 17:17:59,247 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 460 transitions, 5520 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:17:59,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:17:59,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 17:17:59,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:18:00,770 INFO L129 PetriNetUnfolder]: 648/2022 cut-off events. [2021-08-13 17:18:00,770 INFO L130 PetriNetUnfolder]: For 5848/7630 co-relation queries the response was YES. [2021-08-13 17:18:00,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11982 conditions, 2022 events. 648/2022 cut-off events. For 5848/7630 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 14453 event pairs, 22 based on Foata normal form. 90/2078 useless extension candidates. Maximal degree in co-relation 8208. Up to 1076 conditions per place. [2021-08-13 17:18:00,784 INFO L132 encePairwiseOnDemand]: 116/143 looper letters, 348 selfloop transitions, 51 changer transitions 93/542 dead transitions. [2021-08-13 17:18:00,784 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 542 transitions, 7596 flow [2021-08-13 17:18:00,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 17:18:00,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 17:18:00,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1593 transitions. [2021-08-13 17:18:00,787 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5063572790845519 [2021-08-13 17:18:00,787 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1593 transitions. [2021-08-13 17:18:00,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1593 transitions. [2021-08-13 17:18:00,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:18:00,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1593 transitions. [2021-08-13 17:18:00,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 72.4090909090909) internal successors, (1593), 22 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:00,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:00,796 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:00,796 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 118 predicate places. [2021-08-13 17:18:00,796 INFO L482 AbstractCegarLoop]: Abstraction has has 249 places, 542 transitions, 7596 flow [2021-08-13 17:18:00,797 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:00,797 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:18:00,797 INFO L266 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:18:00,797 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-13 17:18:00,797 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:18:00,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:18:00,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1112396777, now seen corresponding path program 6 times [2021-08-13 17:18:00,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:18:00,798 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108114078] [2021-08-13 17:18:00,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:18:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:18:00,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:00,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:00,975 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 17:18:00,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:18:00,979 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:00,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:00,987 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:00,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:00,998 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:00,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:01,014 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:01,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:01,029 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:01,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:01,043 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:01,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:01,061 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:01,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:01,079 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:01,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:01,101 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:01,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:01,119 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:01,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:01,135 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:01,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:01,153 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:01,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:01,176 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:01,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:01,217 INFO L142 QuantifierPusher]: treesize reduction 49, result has 44.3 percent of original size [2021-08-13 17:18:01,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 17:18:01,270 INFO L142 QuantifierPusher]: treesize reduction 53, result has 50.0 percent of original size [2021-08-13 17:18:01,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-08-13 17:18:01,338 INFO L142 QuantifierPusher]: treesize reduction 53, result has 53.1 percent of original size [2021-08-13 17:18:01,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-08-13 17:18:01,358 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size [2021-08-13 17:18:01,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 17:18:01,391 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:01,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:01,408 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:01,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:01,421 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:01,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:01,421 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 17:18:01,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 17:18:01,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:01,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:18:01,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:01,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:01,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:01,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:01,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:01,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:01,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:18:01,469 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:18:01,469 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108114078] [2021-08-13 17:18:01,469 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108114078] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:18:01,469 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:18:01,470 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-08-13 17:18:01,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963910792] [2021-08-13 17:18:01,470 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-13 17:18:01,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:18:01,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-13 17:18:01,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=524, Unknown=0, NotChecked=0, Total=600 [2021-08-13 17:18:01,474 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 143 [2021-08-13 17:18:01,475 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 542 transitions, 7596 flow. Second operand has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:01,475 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:18:01,475 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 143 [2021-08-13 17:18:01,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:18:02,528 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2021-08-13 17:18:02,728 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2021-08-13 17:18:02,987 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-08-13 17:18:03,217 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2021-08-13 17:18:03,471 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2021-08-13 17:18:04,088 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 79 [2021-08-13 17:18:04,760 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2021-08-13 17:18:05,083 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2021-08-13 17:18:05,338 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 84 [2021-08-13 17:18:05,575 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 82 [2021-08-13 17:18:05,816 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2021-08-13 17:18:06,074 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2021-08-13 17:18:06,128 INFO L129 PetriNetUnfolder]: 2104/5205 cut-off events. [2021-08-13 17:18:06,128 INFO L130 PetriNetUnfolder]: For 34401/39984 co-relation queries the response was YES. [2021-08-13 17:18:06,134 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33251 conditions, 5205 events. 2104/5205 cut-off events. For 34401/39984 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 42358 event pairs, 4 based on Foata normal form. 178/5322 useless extension candidates. Maximal degree in co-relation 26206. Up to 2600 conditions per place. [2021-08-13 17:18:06,160 INFO L132 encePairwiseOnDemand]: 110/143 looper letters, 985 selfloop transitions, 98 changer transitions 117/1245 dead transitions. [2021-08-13 17:18:06,160 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 1245 transitions, 20552 flow [2021-08-13 17:18:06,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-13 17:18:06,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-08-13 17:18:06,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 1786 transitions. [2021-08-13 17:18:06,163 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.48036578805809577 [2021-08-13 17:18:06,163 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 1786 transitions. [2021-08-13 17:18:06,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 1786 transitions. [2021-08-13 17:18:06,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:18:06,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 1786 transitions. [2021-08-13 17:18:06,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 68.6923076923077) internal successors, (1786), 26 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:06,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 143.0) internal successors, (3861), 27 states have internal predecessors, (3861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:06,170 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 143.0) internal successors, (3861), 27 states have internal predecessors, (3861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:06,170 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 143 predicate places. [2021-08-13 17:18:06,170 INFO L482 AbstractCegarLoop]: Abstraction has has 274 places, 1245 transitions, 20552 flow [2021-08-13 17:18:06,171 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:06,171 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:18:06,171 INFO L266 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:18:06,171 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-13 17:18:06,171 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:18:06,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:18:06,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1254632279, now seen corresponding path program 7 times [2021-08-13 17:18:06,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:18:06,172 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054091618] [2021-08-13 17:18:06,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:18:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:18:06,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:06,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:06,277 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 17:18:06,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:18:06,281 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:06,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:06,288 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:06,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:06,296 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:06,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:06,308 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:06,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:06,318 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:06,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:06,331 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:06,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:06,344 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:06,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:06,357 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:06,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:06,449 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-08-13 17:18:06,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 17:18:06,479 INFO L142 QuantifierPusher]: treesize reduction 23, result has 66.2 percent of original size [2021-08-13 17:18:06,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 17:18:06,518 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size [2021-08-13 17:18:06,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-13 17:18:06,535 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:06,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:06,552 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:06,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:06,565 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:06,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:06,566 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 17:18:06,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 17:18:06,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:06,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:18:06,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:06,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:06,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:06,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:06,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:06,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:06,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:18:06,610 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:18:06,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054091618] [2021-08-13 17:18:06,610 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054091618] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:18:06,610 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:18:06,610 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 17:18:06,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489229917] [2021-08-13 17:18:06,611 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 17:18:06,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:18:06,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 17:18:06,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-08-13 17:18:06,613 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 17:18:06,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 1245 transitions, 20552 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:06,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:18:06,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 17:18:06,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:18:09,581 INFO L129 PetriNetUnfolder]: 3215/8127 cut-off events. [2021-08-13 17:18:09,582 INFO L130 PetriNetUnfolder]: For 49896/68018 co-relation queries the response was YES. [2021-08-13 17:18:09,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58764 conditions, 8127 events. 3215/8127 cut-off events. For 49896/68018 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 73987 event pairs, 15 based on Foata normal form. 189/8213 useless extension candidates. Maximal degree in co-relation 46008. Up to 4386 conditions per place. [2021-08-13 17:18:09,635 INFO L132 encePairwiseOnDemand]: 113/143 looper letters, 1362 selfloop transitions, 265 changer transitions 141/1921 dead transitions. [2021-08-13 17:18:09,635 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 1921 transitions, 36107 flow [2021-08-13 17:18:09,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 17:18:09,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 17:18:09,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1518 transitions. [2021-08-13 17:18:09,637 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5054945054945055 [2021-08-13 17:18:09,637 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1518 transitions. [2021-08-13 17:18:09,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1518 transitions. [2021-08-13 17:18:09,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:18:09,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1518 transitions. [2021-08-13 17:18:09,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 72.28571428571429) internal successors, (1518), 21 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:09,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 143.0) internal successors, (3146), 22 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:09,643 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 143.0) internal successors, (3146), 22 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:09,643 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 163 predicate places. [2021-08-13 17:18:09,643 INFO L482 AbstractCegarLoop]: Abstraction has has 294 places, 1921 transitions, 36107 flow [2021-08-13 17:18:09,643 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:09,643 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:18:09,643 INFO L266 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:18:09,643 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-13 17:18:09,644 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:18:09,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:18:09,644 INFO L82 PathProgramCache]: Analyzing trace with hash -968919607, now seen corresponding path program 8 times [2021-08-13 17:18:09,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:18:09,644 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941842042] [2021-08-13 17:18:09,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:18:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:18:09,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:09,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:09,733 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 17:18:09,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:18:09,737 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:09,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:09,744 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:09,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:09,751 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:09,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:09,763 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:09,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:09,773 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:09,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:09,785 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:09,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:09,799 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:09,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:09,809 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:09,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:09,821 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:09,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:09,834 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 17:18:09,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 17:18:09,863 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 17:18:09,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 17:18:10,119 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 23 [2021-08-13 17:18:10,120 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 17:18:10,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 17:18:10,138 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:10,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:10,153 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 17:18:10,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 17:18:10,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:10,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:18:10,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:10,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:10,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:10,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:10,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:10,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:10,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:18:10,201 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:18:10,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941842042] [2021-08-13 17:18:10,201 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941842042] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:18:10,201 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:18:10,201 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 17:18:10,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001527607] [2021-08-13 17:18:10,202 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 17:18:10,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:18:10,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 17:18:10,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-08-13 17:18:10,204 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 17:18:10,204 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 1921 transitions, 36107 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:10,204 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:18:10,204 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 17:18:10,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:18:14,130 INFO L129 PetriNetUnfolder]: 3222/8161 cut-off events. [2021-08-13 17:18:14,131 INFO L130 PetriNetUnfolder]: For 64692/79715 co-relation queries the response was YES. [2021-08-13 17:18:14,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65329 conditions, 8161 events. 3222/8161 cut-off events. For 64692/79715 co-relation queries the response was YES. Maximal size of possible extension queue 377. Compared 74573 event pairs, 44 based on Foata normal form. 170/8239 useless extension candidates. Maximal degree in co-relation 50581. Up to 4431 conditions per place. [2021-08-13 17:18:14,185 INFO L132 encePairwiseOnDemand]: 116/143 looper letters, 1627 selfloop transitions, 153 changer transitions 155/1985 dead transitions. [2021-08-13 17:18:14,185 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 1985 transitions, 41217 flow [2021-08-13 17:18:14,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 17:18:14,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 17:18:14,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1593 transitions. [2021-08-13 17:18:14,187 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5063572790845519 [2021-08-13 17:18:14,187 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1593 transitions. [2021-08-13 17:18:14,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1593 transitions. [2021-08-13 17:18:14,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:18:14,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1593 transitions. [2021-08-13 17:18:14,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 72.4090909090909) internal successors, (1593), 22 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:14,192 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:14,192 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:14,192 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 184 predicate places. [2021-08-13 17:18:14,192 INFO L482 AbstractCegarLoop]: Abstraction has has 315 places, 1985 transitions, 41217 flow [2021-08-13 17:18:14,193 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:14,193 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:18:14,193 INFO L266 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:18:14,193 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-13 17:18:14,193 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:18:14,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:18:14,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1941842217, now seen corresponding path program 9 times [2021-08-13 17:18:14,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:18:14,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120102785] [2021-08-13 17:18:14,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:18:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:18:14,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:14,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:14,287 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 17:18:14,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:18:14,291 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:14,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:14,299 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:14,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:14,307 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:14,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:14,319 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:14,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:14,330 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:14,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:14,345 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:14,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:14,361 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:14,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:14,378 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:14,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:14,482 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:14,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:14,502 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:14,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:14,519 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:14,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:14,539 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:14,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:14,559 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:14,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:14,581 INFO L142 QuantifierPusher]: treesize reduction 49, result has 44.3 percent of original size [2021-08-13 17:18:14,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 17:18:14,620 INFO L142 QuantifierPusher]: treesize reduction 49, result has 43.7 percent of original size [2021-08-13 17:18:14,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 17:18:14,654 INFO L142 QuantifierPusher]: treesize reduction 53, result has 52.7 percent of original size [2021-08-13 17:18:14,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-08-13 17:18:14,699 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 17:18:14,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 17:18:14,736 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:14,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:14,752 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:14,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:14,753 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 17:18:14,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 17:18:14,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:14,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:18:14,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:14,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:14,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:14,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:14,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:14,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:14,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:18:14,809 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:18:14,809 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120102785] [2021-08-13 17:18:14,809 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120102785] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:18:14,809 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:18:14,809 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-08-13 17:18:14,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325840087] [2021-08-13 17:18:14,809 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-13 17:18:14,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:18:14,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-13 17:18:14,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2021-08-13 17:18:14,811 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 143 [2021-08-13 17:18:14,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 1985 transitions, 41217 flow. Second operand has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:14,812 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:18:14,812 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 143 [2021-08-13 17:18:14,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:18:15,727 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2021-08-13 17:18:15,881 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2021-08-13 17:18:16,128 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2021-08-13 17:18:16,389 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2021-08-13 17:18:16,673 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2021-08-13 17:18:17,511 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2021-08-13 17:18:17,884 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2021-08-13 17:18:20,348 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2021-08-13 17:18:20,584 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2021-08-13 17:18:20,838 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 84 [2021-08-13 17:18:21,087 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 82 [2021-08-13 17:18:21,332 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2021-08-13 17:18:21,600 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2021-08-13 17:18:21,655 INFO L129 PetriNetUnfolder]: 3221/8276 cut-off events. [2021-08-13 17:18:21,655 INFO L130 PetriNetUnfolder]: For 73324/113219 co-relation queries the response was YES. [2021-08-13 17:18:21,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72354 conditions, 8276 events. 3221/8276 cut-off events. For 73324/113219 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 75439 event pairs, 60 based on Foata normal form. 531/8702 useless extension candidates. Maximal degree in co-relation 55861. Up to 4445 conditions per place. [2021-08-13 17:18:21,861 INFO L132 encePairwiseOnDemand]: 110/143 looper letters, 1656 selfloop transitions, 155 changer transitions 169/2025 dead transitions. [2021-08-13 17:18:21,861 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 2025 transitions, 46021 flow [2021-08-13 17:18:21,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-13 17:18:21,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-08-13 17:18:21,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 1852 transitions. [2021-08-13 17:18:21,863 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.47966847966847964 [2021-08-13 17:18:21,863 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 1852 transitions. [2021-08-13 17:18:21,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 1852 transitions. [2021-08-13 17:18:21,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:18:21,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 1852 transitions. [2021-08-13 17:18:21,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 68.5925925925926) internal successors, (1852), 27 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:21,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:21,870 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:21,870 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 210 predicate places. [2021-08-13 17:18:21,870 INFO L482 AbstractCegarLoop]: Abstraction has has 341 places, 2025 transitions, 46021 flow [2021-08-13 17:18:21,870 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:21,870 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:18:21,871 INFO L266 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:18:21,871 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-13 17:18:21,871 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:18:21,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:18:21,871 INFO L82 PathProgramCache]: Analyzing trace with hash -607753441, now seen corresponding path program 10 times [2021-08-13 17:18:21,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:18:21,871 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493580988] [2021-08-13 17:18:21,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:18:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:18:21,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:21,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:21,957 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 17:18:21,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:18:21,961 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:21,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:21,968 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:21,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:21,975 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:21,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:21,986 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:21,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:21,996 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:21,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:22,010 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:22,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:22,025 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:22,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:22,042 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:22,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:22,062 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:22,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:22,082 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:22,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:22,102 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:22,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:22,122 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:22,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:22,143 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:22,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:22,164 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:22,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:22,182 INFO L142 QuantifierPusher]: treesize reduction 49, result has 43.7 percent of original size [2021-08-13 17:18:22,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 17:18:22,217 INFO L142 QuantifierPusher]: treesize reduction 53, result has 52.7 percent of original size [2021-08-13 17:18:22,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-08-13 17:18:22,261 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 17:18:22,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 17:18:22,299 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:22,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:22,315 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:22,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:22,316 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 17:18:22,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 17:18:22,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:22,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:18:22,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:22,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:22,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:22,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:22,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:22,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:22,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:18:22,370 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:18:22,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493580988] [2021-08-13 17:18:22,371 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493580988] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:18:22,371 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:18:22,371 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-08-13 17:18:22,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413914291] [2021-08-13 17:18:22,371 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-13 17:18:22,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:18:22,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-13 17:18:22,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2021-08-13 17:18:22,372 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 143 [2021-08-13 17:18:22,373 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 2025 transitions, 46021 flow. Second operand has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:22,373 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:18:22,373 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 143 [2021-08-13 17:18:22,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:18:23,220 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2021-08-13 17:18:23,388 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2021-08-13 17:18:23,643 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2021-08-13 17:18:24,518 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-08-13 17:18:24,862 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-08-13 17:18:25,270 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2021-08-13 17:18:27,486 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2021-08-13 17:18:27,698 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2021-08-13 17:18:27,914 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2021-08-13 17:18:28,154 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2021-08-13 17:18:28,360 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-08-13 17:18:28,585 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2021-08-13 17:18:28,905 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2021-08-13 17:18:29,023 INFO L129 PetriNetUnfolder]: 3220/8352 cut-off events. [2021-08-13 17:18:29,023 INFO L130 PetriNetUnfolder]: For 82930/116319 co-relation queries the response was YES. [2021-08-13 17:18:29,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79406 conditions, 8352 events. 3220/8352 cut-off events. For 82930/116319 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 76581 event pairs, 52 based on Foata normal form. 441/8692 useless extension candidates. Maximal degree in co-relation 61052. Up to 4459 conditions per place. [2021-08-13 17:18:29,067 INFO L132 encePairwiseOnDemand]: 112/143 looper letters, 1734 selfloop transitions, 103 changer transitions 183/2065 dead transitions. [2021-08-13 17:18:29,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 2065 transitions, 50985 flow [2021-08-13 17:18:29,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-13 17:18:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-08-13 17:18:29,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 1857 transitions. [2021-08-13 17:18:29,070 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.48096348096348096 [2021-08-13 17:18:29,070 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 1857 transitions. [2021-08-13 17:18:29,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 1857 transitions. [2021-08-13 17:18:29,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:18:29,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 1857 transitions. [2021-08-13 17:18:29,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 68.77777777777777) internal successors, (1857), 27 states have internal predecessors, (1857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:29,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:29,075 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:29,075 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 236 predicate places. [2021-08-13 17:18:29,075 INFO L482 AbstractCegarLoop]: Abstraction has has 367 places, 2065 transitions, 50985 flow [2021-08-13 17:18:29,076 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:29,076 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:18:29,076 INFO L266 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:18:29,076 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-13 17:18:29,076 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:18:29,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:18:29,076 INFO L82 PathProgramCache]: Analyzing trace with hash 625194839, now seen corresponding path program 11 times [2021-08-13 17:18:29,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:18:29,077 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967983856] [2021-08-13 17:18:29,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:18:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:18:29,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:29,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:29,150 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 17:18:29,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:18:29,153 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:29,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:29,160 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:29,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:29,167 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:29,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:29,177 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:29,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:29,187 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:29,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:29,201 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:29,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:29,216 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:29,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:29,233 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:29,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:29,252 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:29,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:29,272 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:29,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:29,291 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:29,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:29,312 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:29,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:29,332 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:29,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:29,349 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:29,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:29,368 INFO L142 QuantifierPusher]: treesize reduction 49, result has 43.7 percent of original size [2021-08-13 17:18:29,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 17:18:29,403 INFO L142 QuantifierPusher]: treesize reduction 53, result has 52.7 percent of original size [2021-08-13 17:18:29,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-08-13 17:18:29,449 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 17:18:29,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 17:18:29,488 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:29,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:29,505 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:29,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:29,505 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 17:18:29,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 17:18:29,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:29,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:18:29,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:29,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:29,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:29,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:29,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:29,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:29,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:18:29,562 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:18:29,562 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967983856] [2021-08-13 17:18:29,562 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967983856] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:18:29,562 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:18:29,562 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-08-13 17:18:29,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352688369] [2021-08-13 17:18:29,563 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-13 17:18:29,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:18:29,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-13 17:18:29,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2021-08-13 17:18:29,564 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 143 [2021-08-13 17:18:29,565 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 2065 transitions, 50985 flow. Second operand has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:29,565 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:18:29,565 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 143 [2021-08-13 17:18:29,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:18:30,611 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2021-08-13 17:18:31,279 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-08-13 17:18:31,754 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-08-13 17:18:32,094 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-08-13 17:18:32,479 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2021-08-13 17:18:34,739 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2021-08-13 17:18:34,926 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2021-08-13 17:18:35,120 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2021-08-13 17:18:35,333 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2021-08-13 17:18:35,503 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-08-13 17:18:35,701 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2021-08-13 17:18:35,935 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2021-08-13 17:18:36,065 INFO L129 PetriNetUnfolder]: 3219/8428 cut-off events. [2021-08-13 17:18:36,065 INFO L130 PetriNetUnfolder]: For 93904/142703 co-relation queries the response was YES. [2021-08-13 17:18:36,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86543 conditions, 8428 events. 3219/8428 cut-off events. For 93904/142703 co-relation queries the response was YES. Maximal size of possible extension queue 371. Compared 77489 event pairs, 140 based on Foata normal form. 365/8698 useless extension candidates. Maximal degree in co-relation 66290. Up to 4473 conditions per place. [2021-08-13 17:18:36,119 INFO L132 encePairwiseOnDemand]: 112/143 looper letters, 1757 selfloop transitions, 106 changer transitions 197/2105 dead transitions. [2021-08-13 17:18:36,119 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 2105 transitions, 56109 flow [2021-08-13 17:18:36,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-13 17:18:36,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-08-13 17:18:36,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 1857 transitions. [2021-08-13 17:18:36,122 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.48096348096348096 [2021-08-13 17:18:36,122 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 1857 transitions. [2021-08-13 17:18:36,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 1857 transitions. [2021-08-13 17:18:36,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:18:36,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 1857 transitions. [2021-08-13 17:18:36,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 68.77777777777777) internal successors, (1857), 27 states have internal predecessors, (1857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:36,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:36,130 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:36,130 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 262 predicate places. [2021-08-13 17:18:36,130 INFO L482 AbstractCegarLoop]: Abstraction has has 393 places, 2105 transitions, 56109 flow [2021-08-13 17:18:36,131 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:36,131 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:18:36,131 INFO L266 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:18:36,131 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-13 17:18:36,131 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:18:36,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:18:36,131 INFO L82 PathProgramCache]: Analyzing trace with hash -55871417, now seen corresponding path program 12 times [2021-08-13 17:18:36,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:18:36,131 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790046503] [2021-08-13 17:18:36,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:18:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:18:36,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:36,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:36,214 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 17:18:36,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:18:36,218 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:36,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:36,224 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:36,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:36,231 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:36,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:36,242 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:36,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:36,252 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:36,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:36,265 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:36,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:36,280 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:36,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:36,297 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:36,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:36,316 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:36,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:36,336 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:36,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:36,355 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:36,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:36,376 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:36,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:36,392 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:36,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:36,410 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:36,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:36,429 INFO L142 QuantifierPusher]: treesize reduction 49, result has 43.7 percent of original size [2021-08-13 17:18:36,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 17:18:36,465 INFO L142 QuantifierPusher]: treesize reduction 53, result has 52.7 percent of original size [2021-08-13 17:18:36,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-08-13 17:18:36,513 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 17:18:36,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 17:18:36,553 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:36,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:36,573 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:36,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:36,574 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 17:18:36,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 17:18:36,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:36,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:18:36,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:36,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:36,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:36,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:36,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:36,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:36,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:18:36,633 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:18:36,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790046503] [2021-08-13 17:18:36,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790046503] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:18:36,633 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:18:36,633 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-08-13 17:18:36,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105289522] [2021-08-13 17:18:36,633 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-13 17:18:36,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:18:36,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-13 17:18:36,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2021-08-13 17:18:36,635 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 143 [2021-08-13 17:18:36,636 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 2105 transitions, 56109 flow. Second operand has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:36,636 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:18:36,636 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 143 [2021-08-13 17:18:36,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:18:38,219 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2021-08-13 17:18:38,460 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-08-13 17:18:38,840 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-08-13 17:18:39,190 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-08-13 17:18:39,562 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2021-08-13 17:18:41,606 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2021-08-13 17:18:41,769 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2021-08-13 17:18:41,939 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2021-08-13 17:18:42,128 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2021-08-13 17:18:42,273 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2021-08-13 17:18:42,445 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2021-08-13 17:18:42,624 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2021-08-13 17:18:42,778 INFO L129 PetriNetUnfolder]: 3218/8383 cut-off events. [2021-08-13 17:18:42,778 INFO L130 PetriNetUnfolder]: For 108795/178220 co-relation queries the response was YES. [2021-08-13 17:18:42,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93611 conditions, 8383 events. 3218/8383 cut-off events. For 108795/178220 co-relation queries the response was YES. Maximal size of possible extension queue 374. Compared 76318 event pairs, 53 based on Foata normal form. 216/8481 useless extension candidates. Maximal degree in co-relation 71413. Up to 4487 conditions per place. [2021-08-13 17:18:42,833 INFO L132 encePairwiseOnDemand]: 112/143 looper letters, 1779 selfloop transitions, 110 changer transitions 211/2145 dead transitions. [2021-08-13 17:18:42,834 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 2145 transitions, 61393 flow [2021-08-13 17:18:42,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-13 17:18:42,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-08-13 17:18:42,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 1857 transitions. [2021-08-13 17:18:42,836 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.48096348096348096 [2021-08-13 17:18:42,836 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 1857 transitions. [2021-08-13 17:18:42,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 1857 transitions. [2021-08-13 17:18:42,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:18:42,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 1857 transitions. [2021-08-13 17:18:42,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 68.77777777777777) internal successors, (1857), 27 states have internal predecessors, (1857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:42,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:42,842 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:42,842 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 288 predicate places. [2021-08-13 17:18:42,842 INFO L482 AbstractCegarLoop]: Abstraction has has 419 places, 2145 transitions, 61393 flow [2021-08-13 17:18:42,842 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:42,842 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:18:42,842 INFO L266 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:18:42,842 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-13 17:18:42,842 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:18:42,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:18:42,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1772017181, now seen corresponding path program 13 times [2021-08-13 17:18:42,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:18:42,843 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195332321] [2021-08-13 17:18:42,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:18:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:18:42,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:42,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:42,917 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 17:18:42,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:18:42,920 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:42,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:42,927 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:42,934 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:42,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:42,945 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:42,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:42,955 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:42,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:42,969 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:42,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:42,984 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:42,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:43,001 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:18:43,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:18:43,019 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:43,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:43,040 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:18:43,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:18:43,059 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:43,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:43,077 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:43,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:43,304 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:43,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:43,322 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:43,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:43,342 INFO L142 QuantifierPusher]: treesize reduction 49, result has 43.7 percent of original size [2021-08-13 17:18:43,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 17:18:43,379 INFO L142 QuantifierPusher]: treesize reduction 53, result has 52.7 percent of original size [2021-08-13 17:18:43,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-08-13 17:18:43,426 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 17:18:43,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 17:18:43,467 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:43,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:43,484 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:43,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:43,485 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 17:18:43,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 17:18:43,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:43,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:18:43,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:43,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:43,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:43,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:43,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:43,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:43,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:18:43,545 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:18:43,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195332321] [2021-08-13 17:18:43,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195332321] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:18:43,545 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:18:43,545 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-08-13 17:18:43,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258379578] [2021-08-13 17:18:43,546 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-13 17:18:43,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:18:43,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-13 17:18:43,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2021-08-13 17:18:43,547 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 143 [2021-08-13 17:18:43,548 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 2145 transitions, 61393 flow. Second operand has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:43,548 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:18:43,548 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 143 [2021-08-13 17:18:43,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:18:44,962 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2021-08-13 17:18:45,181 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-08-13 17:18:45,590 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-08-13 17:18:46,088 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-08-13 17:18:46,488 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2021-08-13 17:18:48,684 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2021-08-13 17:18:48,839 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2021-08-13 17:18:49,136 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2021-08-13 17:18:49,416 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2021-08-13 17:18:49,576 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2021-08-13 17:18:49,746 INFO L129 PetriNetUnfolder]: 3217/8471 cut-off events. [2021-08-13 17:18:49,746 INFO L130 PetriNetUnfolder]: For 121308/174051 co-relation queries the response was YES. [2021-08-13 17:18:49,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100901 conditions, 8471 events. 3217/8471 cut-off events. For 121308/174051 co-relation queries the response was YES. Maximal size of possible extension queue 376. Compared 77638 event pairs, 69 based on Foata normal form. 231/8593 useless extension candidates. Maximal degree in co-relation 76632. Up to 4501 conditions per place. [2021-08-13 17:18:49,799 INFO L132 encePairwiseOnDemand]: 112/143 looper letters, 1800 selfloop transitions, 115 changer transitions 225/2185 dead transitions. [2021-08-13 17:18:49,799 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 2185 transitions, 66837 flow [2021-08-13 17:18:49,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-13 17:18:49,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-08-13 17:18:49,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 1851 transitions. [2021-08-13 17:18:49,801 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4794094794094794 [2021-08-13 17:18:49,801 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 1851 transitions. [2021-08-13 17:18:49,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 1851 transitions. [2021-08-13 17:18:49,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:18:49,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 1851 transitions. [2021-08-13 17:18:49,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 68.55555555555556) internal successors, (1851), 27 states have internal predecessors, (1851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:49,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:49,807 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:49,807 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 314 predicate places. [2021-08-13 17:18:49,807 INFO L482 AbstractCegarLoop]: Abstraction has has 445 places, 2185 transitions, 66837 flow [2021-08-13 17:18:49,807 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:49,807 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:18:49,807 INFO L266 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:18:49,807 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-13 17:18:49,807 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:18:49,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:18:49,808 INFO L82 PathProgramCache]: Analyzing trace with hash 513691183, now seen corresponding path program 14 times [2021-08-13 17:18:49,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:18:49,808 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129024058] [2021-08-13 17:18:49,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:18:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:18:49,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:49,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:49,874 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 17:18:49,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:18:49,878 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:49,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:49,884 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:49,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:49,891 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:49,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:49,902 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:49,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:49,912 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:49,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:49,922 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:49,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:49,934 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:49,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:49,947 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:49,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:49,958 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:49,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:49,971 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 17:18:49,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 17:18:49,998 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 17:18:49,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 17:18:50,034 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 17:18:50,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 17:18:50,047 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:50,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:50,061 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:50,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:50,061 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 17:18:50,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 17:18:50,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:50,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:18:50,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:50,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:50,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:50,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:50,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:50,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:50,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:18:50,108 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:18:50,108 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129024058] [2021-08-13 17:18:50,108 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129024058] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:18:50,108 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:18:50,108 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 17:18:50,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377928310] [2021-08-13 17:18:50,109 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 17:18:50,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:18:50,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 17:18:50,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2021-08-13 17:18:50,110 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 17:18:50,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 2185 transitions, 66837 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:50,111 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:18:50,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 17:18:50,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:18:56,082 INFO L129 PetriNetUnfolder]: 4654/12873 cut-off events. [2021-08-13 17:18:56,082 INFO L130 PetriNetUnfolder]: For 225587/286958 co-relation queries the response was YES. [2021-08-13 17:18:56,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158519 conditions, 12873 events. 4654/12873 cut-off events. For 225587/286958 co-relation queries the response was YES. Maximal size of possible extension queue 587. Compared 132115 event pairs, 40 based on Foata normal form. 170/12891 useless extension candidates. Maximal degree in co-relation 119442. Up to 6832 conditions per place. [2021-08-13 17:18:56,171 INFO L132 encePairwiseOnDemand]: 116/143 looper letters, 2570 selfloop transitions, 249 changer transitions 305/3277 dead transitions. [2021-08-13 17:18:56,171 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 3277 transitions, 107685 flow [2021-08-13 17:18:56,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 17:18:56,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 17:18:56,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1594 transitions. [2021-08-13 17:18:56,173 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5066751430387794 [2021-08-13 17:18:56,173 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1594 transitions. [2021-08-13 17:18:56,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1594 transitions. [2021-08-13 17:18:56,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:18:56,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1594 transitions. [2021-08-13 17:18:56,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 72.45454545454545) internal successors, (1594), 22 states have internal predecessors, (1594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:56,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:56,177 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:56,177 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 335 predicate places. [2021-08-13 17:18:56,177 INFO L482 AbstractCegarLoop]: Abstraction has has 466 places, 3277 transitions, 107685 flow [2021-08-13 17:18:56,177 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:56,177 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:18:56,177 INFO L266 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:18:56,178 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-13 17:18:56,178 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:18:56,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:18:56,178 INFO L82 PathProgramCache]: Analyzing trace with hash -11149479, now seen corresponding path program 15 times [2021-08-13 17:18:56,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:18:56,178 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748287520] [2021-08-13 17:18:56,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:18:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:18:56,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:56,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:56,245 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 17:18:56,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:18:56,249 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:56,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:56,255 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:18:56,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:18:56,263 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:18:56,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:18:56,274 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:56,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:56,399 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-08-13 17:18:56,399 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:56,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:56,411 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:56,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:56,425 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:56,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:56,439 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:18:56,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:18:56,454 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-08-13 17:18:56,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 17:18:56,483 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 17:18:56,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 17:18:56,509 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 17:18:56,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 17:18:56,541 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 17:18:56,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 17:18:56,552 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:56,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:56,564 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:18:56,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:18:56,564 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 17:18:56,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 17:18:56,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:56,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:18:56,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:56,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:56,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:56,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:18:56,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:18:56,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:18:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:18:56,604 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:18:56,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748287520] [2021-08-13 17:18:56,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748287520] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:18:56,604 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:18:56,604 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 17:18:56,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018244705] [2021-08-13 17:18:56,604 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 17:18:56,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:18:56,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 17:18:56,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2021-08-13 17:18:56,606 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 17:18:56,607 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 3277 transitions, 107685 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:18:56,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:18:56,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 17:18:56,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:19:10,257 INFO L129 PetriNetUnfolder]: 5222/15324 cut-off events. [2021-08-13 17:19:10,257 INFO L130 PetriNetUnfolder]: For 320037/414886 co-relation queries the response was YES. [2021-08-13 17:19:10,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197285 conditions, 15324 events. 5222/15324 cut-off events. For 320037/414886 co-relation queries the response was YES. Maximal size of possible extension queue 697. Compared 167077 event pairs, 46 based on Foata normal form. 525/15662 useless extension candidates. Maximal degree in co-relation 142066. Up to 8134 conditions per place. [2021-08-13 17:19:10,364 INFO L132 encePairwiseOnDemand]: 113/143 looper letters, 2893 selfloop transitions, 634 changer transitions 397/4077 dead transitions. [2021-08-13 17:19:10,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 487 places, 4077 transitions, 142461 flow [2021-08-13 17:19:10,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 17:19:10,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 17:19:10,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1608 transitions. [2021-08-13 17:19:10,366 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5111252383979656 [2021-08-13 17:19:10,366 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1608 transitions. [2021-08-13 17:19:10,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1608 transitions. [2021-08-13 17:19:10,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:19:10,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1608 transitions. [2021-08-13 17:19:10,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 73.0909090909091) internal successors, (1608), 22 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:19:10,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:19:10,370 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:19:10,370 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 356 predicate places. [2021-08-13 17:19:10,370 INFO L482 AbstractCegarLoop]: Abstraction has has 487 places, 4077 transitions, 142461 flow [2021-08-13 17:19:10,370 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:19:10,370 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:19:10,370 INFO L266 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:19:10,370 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-13 17:19:10,370 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:19:10,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:19:10,371 INFO L82 PathProgramCache]: Analyzing trace with hash 145624465, now seen corresponding path program 16 times [2021-08-13 17:19:10,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:19:10,371 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902300537] [2021-08-13 17:19:10,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:19:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:19:10,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:19:10,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:19:10,438 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 17:19:10,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:19:10,442 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:19:10,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:19:10,448 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:19:10,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:19:10,455 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:19:10,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:19:10,465 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:19:10,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:19:10,475 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:19:10,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:19:10,486 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:19:10,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:19:10,497 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:19:10,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:19:10,508 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:19:10,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:19:10,519 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:19:10,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:19:10,532 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 17:19:10,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 17:19:10,560 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 17:19:10,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 17:19:10,596 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 17:19:10,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 17:19:10,609 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:19:10,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:19:10,623 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:19:10,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:19:10,624 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 17:19:10,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 17:19:10,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:19:10,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:19:10,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:19:10,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:19:10,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:19:10,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:19:10,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:19:10,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:19:10,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:19:10,672 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:19:10,672 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902300537] [2021-08-13 17:19:10,672 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902300537] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:19:10,672 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:19:10,672 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 17:19:10,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606987901] [2021-08-13 17:19:10,673 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 17:19:10,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:19:10,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 17:19:10,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-08-13 17:19:10,675 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 17:19:10,675 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 4077 transitions, 142461 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:19:10,675 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:19:10,675 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 17:19:10,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:19:34,437 INFO L129 PetriNetUnfolder]: 6160/18034 cut-off events. [2021-08-13 17:19:34,437 INFO L130 PetriNetUnfolder]: For 422124/489122 co-relation queries the response was YES. [2021-08-13 17:19:34,459 INFO L84 FinitePrefix]: Finished finitePrefix Result has 244746 conditions, 18034 events. 6160/18034 cut-off events. For 422124/489122 co-relation queries the response was YES. Maximal size of possible extension queue 821. Compared 201981 event pairs, 44 based on Foata normal form. 156/17974 useless extension candidates. Maximal degree in co-relation 176683. Up to 9544 conditions per place. [2021-08-13 17:19:34,559 INFO L132 encePairwiseOnDemand]: 116/143 looper letters, 3861 selfloop transitions, 363 changer transitions 477/4854 dead transitions. [2021-08-13 17:19:34,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 4854 transitions, 179571 flow [2021-08-13 17:19:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 17:19:34,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 17:19:34,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1592 transitions. [2021-08-13 17:19:34,561 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5060394151303242 [2021-08-13 17:19:34,561 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1592 transitions. [2021-08-13 17:19:34,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1592 transitions. [2021-08-13 17:19:34,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:19:34,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1592 transitions. [2021-08-13 17:19:34,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 72.36363636363636) internal successors, (1592), 22 states have internal predecessors, (1592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:19:34,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:19:34,565 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:19:34,565 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 377 predicate places. [2021-08-13 17:19:34,565 INFO L482 AbstractCegarLoop]: Abstraction has has 508 places, 4854 transitions, 179571 flow [2021-08-13 17:19:34,565 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:19:34,565 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:19:34,565 INFO L266 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:19:34,565 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-13 17:19:34,565 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:19:34,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:19:34,566 INFO L82 PathProgramCache]: Analyzing trace with hash 2011478289, now seen corresponding path program 17 times [2021-08-13 17:19:34,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:19:34,566 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31435697] [2021-08-13 17:19:34,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:19:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:19:34,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:19:34,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:19:34,638 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 17:19:34,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:19:34,642 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:19:34,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:19:34,648 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:19:34,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:19:34,656 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:19:34,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:19:34,666 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:19:34,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:19:34,677 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:19:34,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:19:34,690 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:19:34,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:19:34,706 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:19:34,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:19:34,723 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:19:34,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:19:34,742 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:19:34,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:19:34,763 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:19:34,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:19:34,785 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:19:34,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:19:34,807 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:19:34,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:19:34,830 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:19:34,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:19:34,855 INFO L142 QuantifierPusher]: treesize reduction 49, result has 44.3 percent of original size [2021-08-13 17:19:34,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 17:19:34,896 INFO L142 QuantifierPusher]: treesize reduction 53, result has 53.1 percent of original size [2021-08-13 17:19:34,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-08-13 17:19:34,948 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size [2021-08-13 17:19:34,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-13 17:19:34,992 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:19:34,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:19:35,014 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:19:35,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:19:35,028 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:19:35,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:19:35,029 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 17:19:35,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 17:19:35,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:19:35,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:19:35,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:19:35,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:19:35,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:19:35,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:19:35,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:19:35,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:19:35,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:19:35,078 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:19:35,078 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31435697] [2021-08-13 17:19:35,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31435697] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:19:35,078 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:19:35,078 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-08-13 17:19:35,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581490964] [2021-08-13 17:19:35,078 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-13 17:19:35,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:19:35,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-13 17:19:35,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2021-08-13 17:19:35,080 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 143 [2021-08-13 17:19:35,080 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 4854 transitions, 179571 flow. Second operand has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:19:35,080 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:19:35,080 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 143 [2021-08-13 17:19:35,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:19:36,443 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2021-08-13 17:19:37,039 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2021-08-13 17:19:37,403 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2021-08-13 17:19:37,741 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2021-08-13 17:19:47,104 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 78 [2021-08-13 17:20:39,818 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2021-08-13 17:20:40,416 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2021-08-13 17:20:41,061 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2021-08-13 17:20:41,601 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2021-08-13 17:20:41,918 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-08-13 17:20:43,098 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2021-08-13 17:20:43,456 INFO L129 PetriNetUnfolder]: 10763/30911 cut-off events. [2021-08-13 17:20:43,457 INFO L130 PetriNetUnfolder]: For 784978/955535 co-relation queries the response was YES. [2021-08-13 17:20:43,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 436247 conditions, 30911 events. 10763/30911 cut-off events. For 784978/955535 co-relation queries the response was YES. Maximal size of possible extension queue 1488. Compared 381579 event pairs, 83 based on Foata normal form. 910/31512 useless extension candidates. Maximal degree in co-relation 331279. Up to 16627 conditions per place. [2021-08-13 17:20:43,714 INFO L132 encePairwiseOnDemand]: 110/143 looper letters, 6617 selfloop transitions, 515 changer transitions 515/7692 dead transitions. [2021-08-13 17:20:43,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 7692 transitions, 300029 flow [2021-08-13 17:20:43,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-13 17:20:43,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-08-13 17:20:43,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 1793 transitions. [2021-08-13 17:20:43,716 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4822485207100592 [2021-08-13 17:20:43,716 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 1793 transitions. [2021-08-13 17:20:43,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 1793 transitions. [2021-08-13 17:20:43,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:20:43,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 1793 transitions. [2021-08-13 17:20:43,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 68.96153846153847) internal successors, (1793), 26 states have internal predecessors, (1793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:20:43,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 143.0) internal successors, (3861), 27 states have internal predecessors, (3861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:20:43,721 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 143.0) internal successors, (3861), 27 states have internal predecessors, (3861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:20:43,721 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 402 predicate places. [2021-08-13 17:20:43,721 INFO L482 AbstractCegarLoop]: Abstraction has has 533 places, 7692 transitions, 300029 flow [2021-08-13 17:20:43,721 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:20:43,721 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:20:43,721 INFO L266 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:20:43,721 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-13 17:20:43,721 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:20:43,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:20:43,722 INFO L82 PathProgramCache]: Analyzing trace with hash 145820251, now seen corresponding path program 18 times [2021-08-13 17:20:43,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:20:43,722 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907854126] [2021-08-13 17:20:43,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:20:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:20:43,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:20:43,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:20:43,789 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 17:20:43,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:20:43,792 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:20:43,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:20:43,799 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:20:43,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:20:43,807 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:20:43,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:20:43,818 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:20:43,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:20:43,828 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:20:43,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:20:43,839 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:20:43,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:20:43,849 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:20:43,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:20:43,859 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:20:43,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:20:43,871 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:20:43,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:20:43,884 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 17:20:43,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 17:20:43,913 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 17:20:43,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 17:20:43,950 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 17:20:43,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 17:20:43,964 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:20:43,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:20:43,979 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:20:43,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:20:43,979 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 17:20:43,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 17:20:43,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:20:43,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:20:44,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:20:44,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:20:44,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:20:44,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:20:44,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:20:44,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:20:44,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:20:44,031 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:20:44,031 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907854126] [2021-08-13 17:20:44,031 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907854126] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:20:44,031 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:20:44,031 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 17:20:44,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165774192] [2021-08-13 17:20:44,032 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 17:20:44,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:20:44,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 17:20:44,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-08-13 17:20:44,033 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 17:20:44,034 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 533 places, 7692 transitions, 300029 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:20:44,034 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:20:44,034 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 17:20:44,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:23:38,218 INFO L129 PetriNetUnfolder]: 10775/31147 cut-off events. [2021-08-13 17:23:38,220 INFO L130 PetriNetUnfolder]: For 856903/1021315 co-relation queries the response was YES. [2021-08-13 17:23:38,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 459490 conditions, 31147 events. 10775/31147 cut-off events. For 856903/1021315 co-relation queries the response was YES. Maximal size of possible extension queue 1497. Compared 385048 event pairs, 85 based on Foata normal form. 236/31093 useless extension candidates. Maximal degree in co-relation 347857. Up to 16713 conditions per place. [2021-08-13 17:23:38,483 INFO L132 encePairwiseOnDemand]: 117/143 looper letters, 6634 selfloop transitions, 436 changer transitions 525/7820 dead transitions. [2021-08-13 17:23:38,483 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 553 places, 7820 transitions, 320179 flow [2021-08-13 17:23:38,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 17:23:38,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 17:23:38,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1495 transitions. [2021-08-13 17:23:38,505 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.49783549783549785 [2021-08-13 17:23:38,505 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1495 transitions. [2021-08-13 17:23:38,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1495 transitions. [2021-08-13 17:23:38,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:23:38,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1495 transitions. [2021-08-13 17:23:38,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 71.19047619047619) internal successors, (1495), 21 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:23:38,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 143.0) internal successors, (3146), 22 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:23:38,510 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 143.0) internal successors, (3146), 22 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:23:38,510 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 422 predicate places. [2021-08-13 17:23:38,510 INFO L482 AbstractCegarLoop]: Abstraction has has 553 places, 7820 transitions, 320179 flow [2021-08-13 17:23:38,510 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:23:38,510 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:23:38,510 INFO L266 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:23:38,510 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-13 17:23:38,510 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 17:23:38,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:23:38,511 INFO L82 PathProgramCache]: Analyzing trace with hash 257084661, now seen corresponding path program 19 times [2021-08-13 17:23:38,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:23:38,511 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116237090] [2021-08-13 17:23:38,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:23:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:23:38,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:23:38,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:23:38,668 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 17:23:38,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 17:23:38,672 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:23:38,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:23:38,695 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 17:23:38,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 17:23:38,702 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 17:23:38,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 17:23:38,713 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:23:38,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:23:38,724 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:23:38,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:23:38,753 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:23:38,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:23:38,769 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:23:38,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:23:38,797 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:23:38,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:23:38,829 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 17:23:38,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 17:23:38,851 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:23:38,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:23:38,890 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:23:38,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:23:38,912 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:23:38,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:23:38,949 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 17:23:38,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 17:23:38,973 INFO L142 QuantifierPusher]: treesize reduction 49, result has 44.3 percent of original size [2021-08-13 17:23:38,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 17:23:39,015 INFO L142 QuantifierPusher]: treesize reduction 53, result has 53.1 percent of original size [2021-08-13 17:23:39,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-08-13 17:23:39,066 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size [2021-08-13 17:23:39,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-13 17:23:39,111 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 17:23:39,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 17:23:39,133 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:23:39,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:23:39,146 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 17:23:39,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 17:23:39,147 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 17:23:39,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 17:23:39,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:23:39,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:23:39,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:23:39,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:23:39,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:23:39,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 17:23:39,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:23:39,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:23:39,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:23:39,196 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:23:39,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116237090] [2021-08-13 17:23:39,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116237090] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:23:39,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:23:39,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-08-13 17:23:39,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216611459] [2021-08-13 17:23:39,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-13 17:23:39,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:23:39,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-13 17:23:39,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2021-08-13 17:23:39,198 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 143 [2021-08-13 17:23:39,199 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 553 places, 7820 transitions, 320179 flow. Second operand has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 17:23:39,199 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:23:39,199 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 143 [2021-08-13 17:23:39,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:23:41,206 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2021-08-13 17:23:42,088 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2021-08-13 17:23:42,679 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2021-08-13 17:23:43,301 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2021-08-13 17:24:14,756 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 78 Received shutdown request... [2021-08-13 17:27:19,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-13 17:27:19,447 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-13 17:27:19,447 WARN L547 AbstractCegarLoop]: Verification canceled [2021-08-13 17:27:19,448 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 17:27:19,450 WARN L188 ceAbstractionStarter]: Timeout [2021-08-13 17:27:19,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 05:27:19 BasicIcfg [2021-08-13 17:27:19,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 17:27:19,450 INFO L168 Benchmark]: Toolchain (without parser) took 570605.87 ms. Allocated memory was 220.2 MB in the beginning and 4.0 GB in the end (delta: 3.7 GB). Free memory was 182.6 MB in the beginning and 784.3 MB in the end (delta: -601.6 MB). Peak memory consumption was 3.4 GB. Max. memory is 8.0 GB. [2021-08-13 17:27:19,451 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 220.2 MB. Free memory is still 202.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 17:27:19,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.01 ms. Allocated memory is still 220.2 MB. Free memory was 182.4 MB in the beginning and 131.8 MB in the end (delta: 50.6 MB). Peak memory consumption was 53.8 MB. Max. memory is 8.0 GB. [2021-08-13 17:27:19,451 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.61 ms. Allocated memory is still 220.2 MB. Free memory was 131.3 MB in the beginning and 128.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-13 17:27:19,451 INFO L168 Benchmark]: Boogie Preprocessor took 35.31 ms. Allocated memory is still 220.2 MB. Free memory was 128.1 MB in the beginning and 125.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-13 17:27:19,451 INFO L168 Benchmark]: RCFGBuilder took 466.48 ms. Allocated memory was 220.2 MB in the beginning and 295.7 MB in the end (delta: 75.5 MB). Free memory was 125.5 MB in the beginning and 226.2 MB in the end (delta: -100.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-13 17:27:19,451 INFO L168 Benchmark]: TraceAbstraction took 569349.84 ms. Allocated memory was 295.7 MB in the beginning and 4.0 GB in the end (delta: 3.7 GB). Free memory was 225.7 MB in the beginning and 784.3 MB in the end (delta: -558.6 MB). Peak memory consumption was 3.4 GB. Max. memory is 8.0 GB. [2021-08-13 17:27:19,451 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 220.2 MB. Free memory is still 202.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 677.01 ms. Allocated memory is still 220.2 MB. Free memory was 182.4 MB in the beginning and 131.8 MB in the end (delta: 50.6 MB). Peak memory consumption was 53.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 66.61 ms. Allocated memory is still 220.2 MB. Free memory was 131.3 MB in the beginning and 128.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 35.31 ms. Allocated memory is still 220.2 MB. Free memory was 128.1 MB in the beginning and 125.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 466.48 ms. Allocated memory was 220.2 MB in the beginning and 295.7 MB in the end (delta: 75.5 MB). Free memory was 125.5 MB in the beginning and 226.2 MB in the end (delta: -100.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 569349.84 ms. Allocated memory was 295.7 MB in the beginning and 4.0 GB in the end (delta: 3.7 GB). Free memory was 225.7 MB in the beginning and 784.3 MB in the end (delta: -558.6 MB). Peak memory consumption was 3.4 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (25states, 59/143 universal loopers) in iteration 22,while PetriNetUnfolder was constructing finite prefix that currently has 489217 conditions, 31355 events (11652/31354 cut-off events. For 915622/1105229 co-relation queries the response was YES. Maximal size of possible extension queue 1719. Compared 399478 event pairs, 114 based on Foata normal form. 1264/32823 useless extension candidates. Maximal degree in co-relation 411469. Up to 17810 conditions per place.). - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (25states, 59/143 universal loopers) in iteration 22,while PetriNetUnfolder was constructing finite prefix that currently has 489217 conditions, 31355 events (11652/31354 cut-off events. For 915622/1105229 co-relation queries the response was YES. Maximal size of possible extension queue 1719. Compared 399478 event pairs, 114 based on Foata normal form. 1264/32823 useless extension candidates. Maximal degree in co-relation 411469. Up to 17810 conditions per place.). - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (25states, 59/143 universal loopers) in iteration 22,while PetriNetUnfolder was constructing finite prefix that currently has 489217 conditions, 31355 events (11652/31354 cut-off events. For 915622/1105229 co-relation queries the response was YES. Maximal size of possible extension queue 1719. Compared 399478 event pairs, 114 based on Foata normal form. 1264/32823 useless extension candidates. Maximal degree in co-relation 411469. Up to 17810 conditions per place.). - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (25states, 59/143 universal loopers) in iteration 22,while PetriNetUnfolder was constructing finite prefix that currently has 489217 conditions, 31355 events (11652/31354 cut-off events. For 915622/1105229 co-relation queries the response was YES. Maximal size of possible extension queue 1719. Compared 399478 event pairs, 114 based on Foata normal form. 1264/32823 useless extension candidates. Maximal degree in co-relation 411469. Up to 17810 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 148 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 11.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 569267.2ms, OverallIterations: 22, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 559548.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 51.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2085 SDtfs, 9985 SDslu, 16228 SDs, 0 SdLazy, 18172 SolverSat, 1030 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8693.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 827 GetRequests, 61 SyntacticMatches, 13 SemanticMatches, 753 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3417 ImplicationChecksByTransitivity, 36158.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=320179occurred in iteration=21, InterpolantAutomatonStates: 457, 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: 48.9ms SsaConstructionTime, 385.6ms SatisfiabilityAnalysisTime, 8886.1ms InterpolantComputationTime, 1954 NumberOfCodeBlocks, 1954 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1932 ConstructedInterpolants, 0 QuantifiedInterpolants, 25840 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 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 could not prove your program: Timeout Completed graceful shutdown