/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 07:06:25,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 07:06:25,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 07:06:25,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 07:06:25,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 07:06:25,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 07:06:25,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 07:06:25,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 07:06:25,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 07:06:25,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 07:06:25,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 07:06:25,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 07:06:25,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 07:06:25,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 07:06:25,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 07:06:25,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 07:06:25,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 07:06:25,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 07:06:25,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 07:06:25,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 07:06:25,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 07:06:25,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 07:06:25,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 07:06:25,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 07:06:25,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 07:06:25,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 07:06:25,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 07:06:25,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 07:06:25,618 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.epf [2021-08-13 07:06:25,646 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 07:06:25,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 07:06:25,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 07:06:25,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 07:06:25,649 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 07:06:25,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 07:06:25,650 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 07:06:25,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 07:06:25,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 07:06:25,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 07:06:25,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 07:06:25,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 07:06:25,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 07:06:25,651 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 07:06:25,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 07:06:25,651 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 07:06:25,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 07:06:25,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 07:06:25,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 07:06:25,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 07:06:25,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 07:06:25,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 07:06:25,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 07:06:25,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 07:06:25,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 07:06:25,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 07:06:25,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 07:06:25,652 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 07:06:25,652 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 07:06:25,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 07:06:25,652 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 07:06:25,653 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-13 07:06:25,653 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 07:06:25,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 07:06:25,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 07:06:25,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 07:06:25,899 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 07:06:25,900 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 07:06:25,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2021-08-13 07:06:25,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd1a1a67/eceec892385e4cd4b9001362d351d103/FLAG25deebe70 [2021-08-13 07:06:26,410 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 07:06:26,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2021-08-13 07:06:26,429 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd1a1a67/eceec892385e4cd4b9001362d351d103/FLAG25deebe70 [2021-08-13 07:06:26,711 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd1a1a67/eceec892385e4cd4b9001362d351d103 [2021-08-13 07:06:26,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 07:06:26,714 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 07:06:26,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 07:06:26,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 07:06:26,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 07:06:26,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 07:06:26" (1/1) ... [2021-08-13 07:06:26,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f588864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:26, skipping insertion in model container [2021-08-13 07:06:26,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 07:06:26" (1/1) ... [2021-08-13 07:06:26,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 07:06:26,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 07:06:27,197 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_1-container_of.i[76077,76090] [2021-08-13 07:06:27,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 07:06:27,217 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 07:06:27,244 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_1-container_of.i[76077,76090] [2021-08-13 07:06:27,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 07:06:27,452 INFO L208 MainTranslator]: Completed translation [2021-08-13 07:06:27,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:27 WrapperNode [2021-08-13 07:06:27,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 07:06:27,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 07:06:27,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 07:06:27,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 07:06:27,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:27" (1/1) ... [2021-08-13 07:06:27,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:27" (1/1) ... [2021-08-13 07:06:27,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 07:06:27,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 07:06:27,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 07:06:27,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 07:06:27,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:27" (1/1) ... [2021-08-13 07:06:27,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:27" (1/1) ... [2021-08-13 07:06:27,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:27" (1/1) ... [2021-08-13 07:06:27,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:27" (1/1) ... [2021-08-13 07:06:27,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:27" (1/1) ... [2021-08-13 07:06:27,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:27" (1/1) ... [2021-08-13 07:06:27,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:27" (1/1) ... [2021-08-13 07:06:27,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 07:06:27,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 07:06:27,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 07:06:27,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 07:06:27,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:27" (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 07:06:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 07:06:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-13 07:06:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-13 07:06:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-13 07:06:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 07:06:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 07:06:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-08-13 07:06:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-08-13 07:06:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 07:06:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 07:06:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-13 07:06:27,635 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 07:06:28,108 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 07:06:28,108 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-08-13 07:06:28,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 07:06:28 BoogieIcfgContainer [2021-08-13 07:06:28,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 07:06:28,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 07:06:28,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 07:06:28,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 07:06:28,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 07:06:26" (1/3) ... [2021-08-13 07:06:28,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483266d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 07:06:28, skipping insertion in model container [2021-08-13 07:06:28,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:27" (2/3) ... [2021-08-13 07:06:28,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483266d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 07:06:28, skipping insertion in model container [2021-08-13 07:06:28,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 07:06:28" (3/3) ... [2021-08-13 07:06:28,115 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2021-08-13 07:06:28,120 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 07:06:28,121 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-08-13 07:06:28,122 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 07:06:28,154 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,155 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,155 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,155 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,155 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,156 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,156 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,156 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,156 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,156 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,156 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,156 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,156 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,156 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,156 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,157 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,157 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,157 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,157 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,157 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,157 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,157 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,158 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,158 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,158 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,158 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,158 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,158 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,158 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,158 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,158 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,158 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,159 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,159 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,159 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,159 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,159 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,159 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,159 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,160 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,160 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,160 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,160 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,160 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,160 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,160 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,160 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,160 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,161 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,161 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,161 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,161 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,161 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,161 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,161 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,161 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,161 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,161 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,161 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,161 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,162 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,162 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,162 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,162 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,162 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,162 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,162 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,162 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,163 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,163 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,163 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,163 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,163 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,163 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,163 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,163 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,163 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,163 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,163 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,163 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,164 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,164 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,164 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,164 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,164 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,164 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,164 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,164 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,164 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,164 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,165 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,165 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,165 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,165 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,165 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,165 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,165 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,166 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,166 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,167 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,168 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,169 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,169 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,170 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,174 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,174 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,174 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,174 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,174 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,174 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,174 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,174 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,174 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,175 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,175 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,175 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,175 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,175 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,175 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,175 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,175 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,175 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,175 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,175 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,175 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,176 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,176 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,176 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,176 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,176 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,176 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,176 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,177 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,177 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,177 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,177 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,177 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,177 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,177 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,177 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,179 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,179 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,179 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,180 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,180 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,180 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,180 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,180 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,180 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,180 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,180 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,180 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,185 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,185 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,185 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,185 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,185 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,185 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,185 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,185 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,185 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,185 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,185 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,186 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,195 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-13 07:06:28,210 INFO L255 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-08-13 07:06:28,232 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 07:06:28,233 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 07:06:28,233 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 07:06:28,233 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 07:06:28,233 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 07:06:28,233 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 07:06:28,233 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 07:06:28,233 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 07:06:28,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 171 transitions, 364 flow [2021-08-13 07:06:28,319 INFO L129 PetriNetUnfolder]: 11/211 cut-off events. [2021-08-13 07:06:28,319 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-08-13 07:06:28,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 211 events. 11/211 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 387 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 120. Up to 4 conditions per place. [2021-08-13 07:06:28,329 INFO L82 GeneralOperation]: Start removeDead. Operand has 167 places, 171 transitions, 364 flow [2021-08-13 07:06:28,336 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 157 places, 159 transitions, 336 flow [2021-08-13 07:06:28,347 INFO L129 PetriNetUnfolder]: 0/36 cut-off events. [2021-08-13 07:06:28,347 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 07:06:28,347 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:28,348 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] [2021-08-13 07:06:28,348 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:28,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:28,352 INFO L82 PathProgramCache]: Analyzing trace with hash 4312800, now seen corresponding path program 1 times [2021-08-13 07:06:28,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:28,358 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107795659] [2021-08-13 07:06:28,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:28,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:28,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:28,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:28,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 07:06:28,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:28,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:28,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:28,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:28,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:28,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:28,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:28,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:28,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:28,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:28,675 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 07:06:28,675 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:28,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107795659] [2021-08-13 07:06:28,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107795659] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:28,677 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:28,677 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 07:06:28,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440284818] [2021-08-13 07:06:28,682 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 07:06:28,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:28,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 07:06:28,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 07:06:28,695 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 171 [2021-08-13 07:06:28,699 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 159 transitions, 336 flow. Second operand has 6 states, 6 states have (on average 100.5) internal successors, (603), 6 states have internal predecessors, (603), 0 states have call successors, (0), 0 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 07:06:28,699 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:28,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 171 [2021-08-13 07:06:28,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:28,982 INFO L129 PetriNetUnfolder]: 362/1018 cut-off events. [2021-08-13 07:06:28,982 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-08-13 07:06:28,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1705 conditions, 1018 events. 362/1018 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 6283 event pairs, 216 based on Foata normal form. 20/995 useless extension candidates. Maximal degree in co-relation 1501. Up to 395 conditions per place. [2021-08-13 07:06:28,992 INFO L132 encePairwiseOnDemand]: 149/171 looper letters, 49 selfloop transitions, 17 changer transitions 1/155 dead transitions. [2021-08-13 07:06:28,992 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 155 transitions, 462 flow [2021-08-13 07:06:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 07:06:28,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 07:06:29,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 954 transitions. [2021-08-13 07:06:29,010 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6198830409356725 [2021-08-13 07:06:29,011 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 954 transitions. [2021-08-13 07:06:29,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 954 transitions. [2021-08-13 07:06:29,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:29,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 954 transitions. [2021-08-13 07:06:29,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 106.0) internal successors, (954), 9 states have internal predecessors, (954), 0 states have call successors, (0), 0 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 07:06:29,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 171.0) internal successors, (1710), 10 states have internal predecessors, (1710), 0 states have call successors, (0), 0 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 07:06:29,027 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 171.0) internal successors, (1710), 10 states have internal predecessors, (1710), 0 states have call successors, (0), 0 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 07:06:29,028 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 1 predicate places. [2021-08-13 07:06:29,028 INFO L482 AbstractCegarLoop]: Abstraction has has 158 places, 155 transitions, 462 flow [2021-08-13 07:06:29,029 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 100.5) internal successors, (603), 6 states have internal predecessors, (603), 0 states have call successors, (0), 0 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 07:06:29,029 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:29,029 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] [2021-08-13 07:06:29,029 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 07:06:29,030 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:29,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:29,031 INFO L82 PathProgramCache]: Analyzing trace with hash -334882016, now seen corresponding path program 1 times [2021-08-13 07:06:29,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:29,031 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010300117] [2021-08-13 07:06:29,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:29,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:29,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:29,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:29,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:29,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:29,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:29,171 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 07:06:29,171 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:29,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010300117] [2021-08-13 07:06:29,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010300117] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:29,171 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:29,171 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 07:06:29,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471723828] [2021-08-13 07:06:29,172 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 07:06:29,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:29,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 07:06:29,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 07:06:29,174 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 171 [2021-08-13 07:06:29,174 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 155 transitions, 462 flow. Second operand has 6 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 0 states have call successors, (0), 0 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 07:06:29,174 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:29,174 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 171 [2021-08-13 07:06:29,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:29,373 INFO L129 PetriNetUnfolder]: 362/957 cut-off events. [2021-08-13 07:06:29,373 INFO L130 PetriNetUnfolder]: For 71/207 co-relation queries the response was YES. [2021-08-13 07:06:29,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2319 conditions, 957 events. 362/957 cut-off events. For 71/207 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 5733 event pairs, 120 based on Foata normal form. 0/916 useless extension candidates. Maximal degree in co-relation 2044. Up to 398 conditions per place. [2021-08-13 07:06:29,379 INFO L132 encePairwiseOnDemand]: 152/171 looper letters, 57 selfloop transitions, 18 changer transitions 1/163 dead transitions. [2021-08-13 07:06:29,379 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 163 transitions, 648 flow [2021-08-13 07:06:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-13 07:06:29,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-08-13 07:06:29,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1057 transitions. [2021-08-13 07:06:29,382 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6181286549707602 [2021-08-13 07:06:29,382 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1057 transitions. [2021-08-13 07:06:29,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1057 transitions. [2021-08-13 07:06:29,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:29,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1057 transitions. [2021-08-13 07:06:29,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 105.7) internal successors, (1057), 10 states have internal predecessors, (1057), 0 states have call successors, (0), 0 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 07:06:29,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 171.0) internal successors, (1881), 11 states have internal predecessors, (1881), 0 states have call successors, (0), 0 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 07:06:29,386 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 171.0) internal successors, (1881), 11 states have internal predecessors, (1881), 0 states have call successors, (0), 0 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 07:06:29,387 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 8 predicate places. [2021-08-13 07:06:29,387 INFO L482 AbstractCegarLoop]: Abstraction has has 165 places, 163 transitions, 648 flow [2021-08-13 07:06:29,387 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 0 states have call successors, (0), 0 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 07:06:29,387 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:29,388 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] [2021-08-13 07:06:29,388 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 07:06:29,388 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:29,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:29,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1888111070, now seen corresponding path program 1 times [2021-08-13 07:06:29,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:29,390 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833942956] [2021-08-13 07:06:29,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:29,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:29,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 07:06:29,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:29,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:29,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:29,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:29,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:29,507 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 07:06:29,507 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:29,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833942956] [2021-08-13 07:06:29,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833942956] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:29,507 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:29,507 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 07:06:29,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865669976] [2021-08-13 07:06:29,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 07:06:29,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:29,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 07:06:29,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 07:06:29,510 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 171 [2021-08-13 07:06:29,511 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 163 transitions, 648 flow. Second operand has 6 states, 6 states have (on average 100.33333333333333) internal successors, (602), 6 states have internal predecessors, (602), 0 states have call successors, (0), 0 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 07:06:29,511 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:29,511 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 171 [2021-08-13 07:06:29,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:29,933 INFO L129 PetriNetUnfolder]: 833/1966 cut-off events. [2021-08-13 07:06:29,933 INFO L130 PetriNetUnfolder]: For 296/336 co-relation queries the response was YES. [2021-08-13 07:06:29,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6280 conditions, 1966 events. 833/1966 cut-off events. For 296/336 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 12923 event pairs, 104 based on Foata normal form. 0/1936 useless extension candidates. Maximal degree in co-relation 5942. Up to 882 conditions per place. [2021-08-13 07:06:29,970 INFO L132 encePairwiseOnDemand]: 150/171 looper letters, 113 selfloop transitions, 59 changer transitions 1/260 dead transitions. [2021-08-13 07:06:29,970 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 260 transitions, 1568 flow [2021-08-13 07:06:29,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 07:06:29,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 07:06:29,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1393 transitions. [2021-08-13 07:06:29,973 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6266306792622582 [2021-08-13 07:06:29,973 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1393 transitions. [2021-08-13 07:06:29,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1393 transitions. [2021-08-13 07:06:29,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:29,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1393 transitions. [2021-08-13 07:06:29,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 107.15384615384616) internal successors, (1393), 13 states have internal predecessors, (1393), 0 states have call successors, (0), 0 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 07:06:29,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 171.0) internal successors, (2394), 14 states have internal predecessors, (2394), 0 states have call successors, (0), 0 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 07:06:29,980 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 171.0) internal successors, (2394), 14 states have internal predecessors, (2394), 0 states have call successors, (0), 0 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 07:06:29,981 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 20 predicate places. [2021-08-13 07:06:29,981 INFO L482 AbstractCegarLoop]: Abstraction has has 177 places, 260 transitions, 1568 flow [2021-08-13 07:06:29,981 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 100.33333333333333) internal successors, (602), 6 states have internal predecessors, (602), 0 states have call successors, (0), 0 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 07:06:29,982 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:29,982 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 07:06:29,982 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 07:06:29,982 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:29,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:29,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1332255701, now seen corresponding path program 1 times [2021-08-13 07:06:29,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:29,983 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131578696] [2021-08-13 07:06:29,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:30,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:30,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:30,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:30,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:30,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:30,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:30,077 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 07:06:30,077 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:30,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131578696] [2021-08-13 07:06:30,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131578696] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:30,077 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:30,077 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 07:06:30,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274927001] [2021-08-13 07:06:30,078 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 07:06:30,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:30,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 07:06:30,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 07:06:30,080 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 171 [2021-08-13 07:06:30,080 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 260 transitions, 1568 flow. Second operand has 6 states, 6 states have (on average 101.16666666666667) internal successors, (607), 6 states have internal predecessors, (607), 0 states have call successors, (0), 0 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 07:06:30,080 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:30,080 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 171 [2021-08-13 07:06:30,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:30,517 INFO L129 PetriNetUnfolder]: 1145/2533 cut-off events. [2021-08-13 07:06:30,517 INFO L130 PetriNetUnfolder]: For 790/856 co-relation queries the response was YES. [2021-08-13 07:06:30,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10413 conditions, 2533 events. 1145/2533 cut-off events. For 790/856 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 17233 event pairs, 109 based on Foata normal form. 47/2535 useless extension candidates. Maximal degree in co-relation 10015. Up to 1195 conditions per place. [2021-08-13 07:06:30,533 INFO L132 encePairwiseOnDemand]: 152/171 looper letters, 123 selfloop transitions, 53 changer transitions 100/363 dead transitions. [2021-08-13 07:06:30,534 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 363 transitions, 2938 flow [2021-08-13 07:06:30,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-13 07:06:30,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-08-13 07:06:30,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1182 transitions. [2021-08-13 07:06:30,536 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6283891547049442 [2021-08-13 07:06:30,536 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1182 transitions. [2021-08-13 07:06:30,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1182 transitions. [2021-08-13 07:06:30,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:30,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1182 transitions. [2021-08-13 07:06:30,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 107.45454545454545) internal successors, (1182), 11 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:30,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 171.0) internal successors, (2052), 12 states have internal predecessors, (2052), 0 states have call successors, (0), 0 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 07:06:30,541 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 171.0) internal successors, (2052), 12 states have internal predecessors, (2052), 0 states have call successors, (0), 0 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 07:06:30,541 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 30 predicate places. [2021-08-13 07:06:30,541 INFO L482 AbstractCegarLoop]: Abstraction has has 187 places, 363 transitions, 2938 flow [2021-08-13 07:06:30,542 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 101.16666666666667) internal successors, (607), 6 states have internal predecessors, (607), 0 states have call successors, (0), 0 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 07:06:30,542 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:30,542 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] [2021-08-13 07:06:30,542 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 07:06:30,542 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:30,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:30,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1322916025, now seen corresponding path program 1 times [2021-08-13 07:06:30,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:30,543 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997023919] [2021-08-13 07:06:30,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:30,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:30,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:30,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:30,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:30,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:30,598 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 07:06:30,598 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:30,598 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997023919] [2021-08-13 07:06:30,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997023919] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:30,599 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:30,599 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 07:06:30,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680733756] [2021-08-13 07:06:30,599 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 07:06:30,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:30,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 07:06:30,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 07:06:30,600 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 171 [2021-08-13 07:06:30,601 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 363 transitions, 2938 flow. Second operand has 5 states, 5 states have (on average 149.8) internal successors, (749), 5 states have internal predecessors, (749), 0 states have call successors, (0), 0 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 07:06:30,601 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:30,601 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 171 [2021-08-13 07:06:30,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:30,659 INFO L129 PetriNetUnfolder]: 73/389 cut-off events. [2021-08-13 07:06:30,659 INFO L130 PetriNetUnfolder]: For 225/273 co-relation queries the response was YES. [2021-08-13 07:06:30,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1188 conditions, 389 events. 73/389 cut-off events. For 225/273 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1457 event pairs, 72 based on Foata normal form. 0/378 useless extension candidates. Maximal degree in co-relation 742. Up to 155 conditions per place. [2021-08-13 07:06:30,661 INFO L132 encePairwiseOnDemand]: 165/171 looper letters, 5 selfloop transitions, 4 changer transitions 27/151 dead transitions. [2021-08-13 07:06:30,661 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 151 transitions, 838 flow [2021-08-13 07:06:30,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-13 07:06:30,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-08-13 07:06:30,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1053 transitions. [2021-08-13 07:06:30,663 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8796992481203008 [2021-08-13 07:06:30,663 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1053 transitions. [2021-08-13 07:06:30,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1053 transitions. [2021-08-13 07:06:30,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:30,664 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1053 transitions. [2021-08-13 07:06:30,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 150.42857142857142) internal successors, (1053), 7 states have internal predecessors, (1053), 0 states have call successors, (0), 0 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 07:06:30,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 171.0) internal successors, (1368), 8 states have internal predecessors, (1368), 0 states have call successors, (0), 0 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 07:06:30,667 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 171.0) internal successors, (1368), 8 states have internal predecessors, (1368), 0 states have call successors, (0), 0 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 07:06:30,667 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 25 predicate places. [2021-08-13 07:06:30,667 INFO L482 AbstractCegarLoop]: Abstraction has has 182 places, 151 transitions, 838 flow [2021-08-13 07:06:30,667 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 149.8) internal successors, (749), 5 states have internal predecessors, (749), 0 states have call successors, (0), 0 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 07:06:30,667 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:30,667 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:30,667 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-13 07:06:30,667 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:30,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:30,668 INFO L82 PathProgramCache]: Analyzing trace with hash 455359920, now seen corresponding path program 1 times [2021-08-13 07:06:30,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:30,668 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301217513] [2021-08-13 07:06:30,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:30,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:30,910 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:06:30,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:30,915 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:30,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:30,926 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:30,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:30,937 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:06:30,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:06:30,951 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:30,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:30,967 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:30,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:30,980 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:30,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:30,996 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:30,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:31,010 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:31,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:31,024 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:31,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:31,046 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 07:06:31,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:06:31,082 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 07:06:31,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:06:31,125 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 07:06:31,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:06:31,141 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 07:06:31,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:06:31,143 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:31,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:31,158 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:06:31,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:06:31,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:31,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:31,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:31,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:31,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:31,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:31,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:31,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:31,209 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 07:06:31,209 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:31,211 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301217513] [2021-08-13 07:06:31,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301217513] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:31,212 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:31,212 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:06:31,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119042046] [2021-08-13 07:06:31,212 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:06:31,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:31,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:06:31,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:06:31,215 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 171 [2021-08-13 07:06:31,216 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 151 transitions, 838 flow. Second operand has 19 states, 19 states have (on average 77.10526315789474) internal successors, (1465), 19 states have internal predecessors, (1465), 0 states have call successors, (0), 0 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 07:06:31,216 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:31,216 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 171 [2021-08-13 07:06:31,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:32,413 INFO L129 PetriNetUnfolder]: 483/1274 cut-off events. [2021-08-13 07:06:32,413 INFO L130 PetriNetUnfolder]: For 3402/3422 co-relation queries the response was YES. [2021-08-13 07:06:32,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4712 conditions, 1274 events. 483/1274 cut-off events. For 3402/3422 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 7489 event pairs, 83 based on Foata normal form. 0/1243 useless extension candidates. Maximal degree in co-relation 3647. Up to 576 conditions per place. [2021-08-13 07:06:32,420 INFO L132 encePairwiseOnDemand]: 141/171 looper letters, 113 selfloop transitions, 28 changer transitions 39/238 dead transitions. [2021-08-13 07:06:32,420 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 238 transitions, 1876 flow [2021-08-13 07:06:32,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 07:06:32,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 07:06:32,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1725 transitions. [2021-08-13 07:06:32,424 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4803675856307435 [2021-08-13 07:06:32,424 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1725 transitions. [2021-08-13 07:06:32,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1725 transitions. [2021-08-13 07:06:32,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:32,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1725 transitions. [2021-08-13 07:06:32,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 82.14285714285714) internal successors, (1725), 21 states have internal predecessors, (1725), 0 states have call successors, (0), 0 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 07:06:32,431 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 171.0) internal successors, (3762), 22 states have internal predecessors, (3762), 0 states have call successors, (0), 0 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 07:06:32,431 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 171.0) internal successors, (3762), 22 states have internal predecessors, (3762), 0 states have call successors, (0), 0 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 07:06:32,431 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 45 predicate places. [2021-08-13 07:06:32,432 INFO L482 AbstractCegarLoop]: Abstraction has has 202 places, 238 transitions, 1876 flow [2021-08-13 07:06:32,432 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 77.10526315789474) internal successors, (1465), 19 states have internal predecessors, (1465), 0 states have call successors, (0), 0 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 07:06:32,432 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:32,432 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:32,432 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-13 07:06:32,432 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:32,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:32,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1723094632, now seen corresponding path program 2 times [2021-08-13 07:06:32,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:32,433 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11389957] [2021-08-13 07:06:32,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:32,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:32,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:32,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:32,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:32,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 07:06:32,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:06:32,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 07:06:32,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:32,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:32,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:32,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 07:06:32,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:06:32,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:06:32,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:06:32,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:06:32,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:06:32,746 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:06:32,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:06:32,778 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-08-13 07:06:32,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-08-13 07:06:32,813 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-08-13 07:06:32,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-08-13 07:06:32,847 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-08-13 07:06:32,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-08-13 07:06:32,885 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-08-13 07:06:32,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-08-13 07:06:32,920 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-08-13 07:06:32,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-08-13 07:06:32,960 INFO L142 QuantifierPusher]: treesize reduction 27, result has 67.1 percent of original size [2021-08-13 07:06:32,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-08-13 07:06:33,015 INFO L142 QuantifierPusher]: treesize reduction 27, result has 63.0 percent of original size [2021-08-13 07:06:33,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:06:33,018 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 07:06:33,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:06:33,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:33,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:33,020 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 07:06:33,020 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:33,020 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11389957] [2021-08-13 07:06:33,020 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11389957] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:33,020 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:33,020 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-08-13 07:06:33,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300522224] [2021-08-13 07:06:33,021 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-08-13 07:06:33,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:33,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-08-13 07:06:33,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2021-08-13 07:06:33,023 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 171 [2021-08-13 07:06:33,024 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 238 transitions, 1876 flow. Second operand has 22 states, 22 states have (on average 79.63636363636364) internal successors, (1752), 22 states have internal predecessors, (1752), 0 states have call successors, (0), 0 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 07:06:33,024 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:33,024 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 171 [2021-08-13 07:06:33,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:34,043 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-08-13 07:06:34,189 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-08-13 07:06:34,436 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-08-13 07:06:34,648 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-08-13 07:06:35,135 INFO L129 PetriNetUnfolder]: 1700/3441 cut-off events. [2021-08-13 07:06:35,135 INFO L130 PetriNetUnfolder]: For 13651/14183 co-relation queries the response was YES. [2021-08-13 07:06:35,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14042 conditions, 3441 events. 1700/3441 cut-off events. For 13651/14183 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 22958 event pairs, 101 based on Foata normal form. 39/3355 useless extension candidates. Maximal degree in co-relation 12805. Up to 1370 conditions per place. [2021-08-13 07:06:35,161 INFO L132 encePairwiseOnDemand]: 144/171 looper letters, 394 selfloop transitions, 40 changer transitions 39/538 dead transitions. [2021-08-13 07:06:35,162 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 538 transitions, 5353 flow [2021-08-13 07:06:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-13 07:06:35,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-08-13 07:06:35,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 1980 transitions. [2021-08-13 07:06:35,165 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5034324942791762 [2021-08-13 07:06:35,165 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 1980 transitions. [2021-08-13 07:06:35,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 1980 transitions. [2021-08-13 07:06:35,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:35,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 1980 transitions. [2021-08-13 07:06:35,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 86.08695652173913) internal successors, (1980), 23 states have internal predecessors, (1980), 0 states have call successors, (0), 0 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 07:06:35,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 171.0) internal successors, (4104), 24 states have internal predecessors, (4104), 0 states have call successors, (0), 0 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 07:06:35,173 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 171.0) internal successors, (4104), 24 states have internal predecessors, (4104), 0 states have call successors, (0), 0 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 07:06:35,173 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 67 predicate places. [2021-08-13 07:06:35,173 INFO L482 AbstractCegarLoop]: Abstraction has has 224 places, 538 transitions, 5353 flow [2021-08-13 07:06:35,173 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 79.63636363636364) internal successors, (1752), 22 states have internal predecessors, (1752), 0 states have call successors, (0), 0 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 07:06:35,174 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:35,174 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:35,174 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-13 07:06:35,174 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:35,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:35,174 INFO L82 PathProgramCache]: Analyzing trace with hash 848061300, now seen corresponding path program 3 times [2021-08-13 07:06:35,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:35,174 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184267019] [2021-08-13 07:06:35,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:35,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:35,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:35,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:35,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:35,338 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:06:35,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:35,344 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:35,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:35,351 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:35,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:35,360 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:06:35,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:06:35,370 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:35,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:35,380 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:35,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:35,393 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:35,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:35,404 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:35,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:35,419 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:35,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:35,433 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-08-13 07:06:35,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 07:06:35,489 INFO L142 QuantifierPusher]: treesize reduction 23, result has 66.2 percent of original size [2021-08-13 07:06:35,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 07:06:35,527 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size [2021-08-13 07:06:35,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-13 07:06:35,556 INFO L142 QuantifierPusher]: treesize reduction 23, result has 66.2 percent of original size [2021-08-13 07:06:35,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 07:06:35,557 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:35,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:35,579 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:35,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:35,591 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:35,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:35,594 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:06:35,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:06:35,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:35,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:35,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:35,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:35,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:35,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:35,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:35,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:35,639 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 07:06:35,639 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:35,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184267019] [2021-08-13 07:06:35,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184267019] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:35,640 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:35,640 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:06:35,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008186329] [2021-08-13 07:06:35,640 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:06:35,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:35,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:06:35,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:06:35,642 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 171 [2021-08-13 07:06:35,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 538 transitions, 5353 flow. Second operand has 19 states, 19 states have (on average 77.10526315789474) internal successors, (1465), 19 states have internal predecessors, (1465), 0 states have call successors, (0), 0 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 07:06:35,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:35,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 171 [2021-08-13 07:06:35,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:37,469 INFO L129 PetriNetUnfolder]: 2336/5114 cut-off events. [2021-08-13 07:06:37,469 INFO L130 PetriNetUnfolder]: For 20453/22766 co-relation queries the response was YES. [2021-08-13 07:06:37,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23194 conditions, 5114 events. 2336/5114 cut-off events. For 20453/22766 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 39073 event pairs, 74 based on Foata normal form. 63/5117 useless extension candidates. Maximal degree in co-relation 20770. Up to 1918 conditions per place. [2021-08-13 07:06:37,499 INFO L132 encePairwiseOnDemand]: 137/171 looper letters, 461 selfloop transitions, 82 changer transitions 51/781 dead transitions. [2021-08-13 07:06:37,500 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 781 transitions, 9615 flow [2021-08-13 07:06:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 07:06:37,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 07:06:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1742 transitions. [2021-08-13 07:06:37,511 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4851016429963798 [2021-08-13 07:06:37,511 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1742 transitions. [2021-08-13 07:06:37,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1742 transitions. [2021-08-13 07:06:37,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:37,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1742 transitions. [2021-08-13 07:06:37,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 82.95238095238095) internal successors, (1742), 21 states have internal predecessors, (1742), 0 states have call successors, (0), 0 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 07:06:37,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 171.0) internal successors, (3762), 22 states have internal predecessors, (3762), 0 states have call successors, (0), 0 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 07:06:37,518 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 171.0) internal successors, (3762), 22 states have internal predecessors, (3762), 0 states have call successors, (0), 0 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 07:06:37,518 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 87 predicate places. [2021-08-13 07:06:37,518 INFO L482 AbstractCegarLoop]: Abstraction has has 244 places, 781 transitions, 9615 flow [2021-08-13 07:06:37,519 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 77.10526315789474) internal successors, (1465), 19 states have internal predecessors, (1465), 0 states have call successors, (0), 0 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 07:06:37,519 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:37,519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:37,519 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-13 07:06:37,519 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:37,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:37,519 INFO L82 PathProgramCache]: Analyzing trace with hash 983930972, now seen corresponding path program 4 times [2021-08-13 07:06:37,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:37,520 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806650844] [2021-08-13 07:06:37,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:37,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:37,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:37,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:37,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:37,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:37,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:37,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:37,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:37,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:37,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:37,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:37,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 07:06:37,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:37,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:06:37,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:37,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:06:37,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:37,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:06:37,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:37,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:06:37,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:37,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:06:37,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:37,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:06:37,772 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:06:37,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:06:37,802 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-08-13 07:06:37,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 07:06:37,837 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-08-13 07:06:37,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 07:06:37,881 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-08-13 07:06:37,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 07:06:37,917 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-08-13 07:06:37,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 07:06:37,959 INFO L142 QuantifierPusher]: treesize reduction 27, result has 66.7 percent of original size [2021-08-13 07:06:37,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-08-13 07:06:38,010 INFO L142 QuantifierPusher]: treesize reduction 27, result has 63.0 percent of original size [2021-08-13 07:06:38,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:06:38,015 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 07:06:38,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:06:38,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:38,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:38,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:38,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:38,048 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 07:06:38,048 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:38,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806650844] [2021-08-13 07:06:38,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806650844] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:38,049 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:38,049 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 07:06:38,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83210371] [2021-08-13 07:06:38,049 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 07:06:38,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:38,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 07:06:38,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-08-13 07:06:38,050 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 171 [2021-08-13 07:06:38,052 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 781 transitions, 9615 flow. Second operand has 18 states, 18 states have (on average 119.94444444444444) internal successors, (2159), 18 states have internal predecessors, (2159), 0 states have call successors, (0), 0 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 07:06:38,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:38,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 171 [2021-08-13 07:06:38,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:39,000 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-08-13 07:06:39,242 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-08-13 07:06:39,463 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-08-13 07:06:40,381 INFO L129 PetriNetUnfolder]: 2602/5699 cut-off events. [2021-08-13 07:06:40,381 INFO L130 PetriNetUnfolder]: For 27180/31579 co-relation queries the response was YES. [2021-08-13 07:06:40,391 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29427 conditions, 5699 events. 2602/5699 cut-off events. For 27180/31579 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 43376 event pairs, 136 based on Foata normal form. 209/5866 useless extension candidates. Maximal degree in co-relation 26410. Up to 2186 conditions per place. [2021-08-13 07:06:40,416 INFO L132 encePairwiseOnDemand]: 153/171 looper letters, 525 selfloop transitions, 146 changer transitions 51/1002 dead transitions. [2021-08-13 07:06:40,417 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 1002 transitions, 13665 flow [2021-08-13 07:06:40,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-13 07:06:40,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-13 07:06:40,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2145 transitions. [2021-08-13 07:06:40,419 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.737874097007224 [2021-08-13 07:06:40,419 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2145 transitions. [2021-08-13 07:06:40,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2145 transitions. [2021-08-13 07:06:40,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:40,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2145 transitions. [2021-08-13 07:06:40,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 126.17647058823529) internal successors, (2145), 17 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 07:06:40,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 171.0) internal successors, (3078), 18 states have internal predecessors, (3078), 0 states have call successors, (0), 0 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 07:06:40,426 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 171.0) internal successors, (3078), 18 states have internal predecessors, (3078), 0 states have call successors, (0), 0 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 07:06:40,426 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 103 predicate places. [2021-08-13 07:06:40,426 INFO L482 AbstractCegarLoop]: Abstraction has has 260 places, 1002 transitions, 13665 flow [2021-08-13 07:06:40,427 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 119.94444444444444) internal successors, (2159), 18 states have internal predecessors, (2159), 0 states have call successors, (0), 0 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 07:06:40,427 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:40,427 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:40,427 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-13 07:06:40,427 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:40,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:40,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1595789224, now seen corresponding path program 5 times [2021-08-13 07:06:40,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:40,428 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422190080] [2021-08-13 07:06:40,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:40,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:40,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:40,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:40,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:40,541 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:06:40,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:40,545 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:40,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:40,551 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:40,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:40,560 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:06:40,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:06:40,571 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:40,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:40,582 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:40,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:40,593 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:40,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:40,605 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:40,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:40,619 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:40,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:40,635 INFO L142 QuantifierPusher]: treesize reduction 25, result has 54.5 percent of original size [2021-08-13 07:06:40,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:06:40,707 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.6 percent of original size [2021-08-13 07:06:40,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 07:06:40,743 INFO L142 QuantifierPusher]: treesize reduction 28, result has 65.0 percent of original size [2021-08-13 07:06:40,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-13 07:06:40,759 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.6 percent of original size [2021-08-13 07:06:40,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 07:06:40,760 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:40,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:40,774 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:40,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:40,785 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:40,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:40,785 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:06:40,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:06:40,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:40,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:40,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:40,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:40,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:40,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:40,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:40,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:40,821 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 07:06:40,821 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:40,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422190080] [2021-08-13 07:06:40,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422190080] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:40,821 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:40,821 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:06:40,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370727621] [2021-08-13 07:06:40,822 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:06:40,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:40,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:06:40,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:06:40,823 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 171 [2021-08-13 07:06:40,824 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 1002 transitions, 13665 flow. Second operand has 19 states, 19 states have (on average 77.10526315789474) internal successors, (1465), 19 states have internal predecessors, (1465), 0 states have call successors, (0), 0 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 07:06:40,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:40,824 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 171 [2021-08-13 07:06:40,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:43,256 INFO L129 PetriNetUnfolder]: 2898/6471 cut-off events. [2021-08-13 07:06:43,256 INFO L130 PetriNetUnfolder]: For 35383/43301 co-relation queries the response was YES. [2021-08-13 07:06:43,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38226 conditions, 6471 events. 2898/6471 cut-off events. For 35383/43301 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 51371 event pairs, 43 based on Foata normal form. 544/6974 useless extension candidates. Maximal degree in co-relation 33604. Up to 2591 conditions per place. [2021-08-13 07:06:43,298 INFO L132 encePairwiseOnDemand]: 138/171 looper letters, 930 selfloop transitions, 212 changer transitions 63/1336 dead transitions. [2021-08-13 07:06:43,298 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 1336 transitions, 20797 flow [2021-08-13 07:06:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 07:06:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 07:06:43,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1735 transitions. [2021-08-13 07:06:43,300 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4831523252575884 [2021-08-13 07:06:43,300 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1735 transitions. [2021-08-13 07:06:43,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1735 transitions. [2021-08-13 07:06:43,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:43,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1735 transitions. [2021-08-13 07:06:43,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 82.61904761904762) internal successors, (1735), 21 states have internal predecessors, (1735), 0 states have call successors, (0), 0 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 07:06:43,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 171.0) internal successors, (3762), 22 states have internal predecessors, (3762), 0 states have call successors, (0), 0 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 07:06:43,306 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 171.0) internal successors, (3762), 22 states have internal predecessors, (3762), 0 states have call successors, (0), 0 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 07:06:43,306 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 123 predicate places. [2021-08-13 07:06:43,306 INFO L482 AbstractCegarLoop]: Abstraction has has 280 places, 1336 transitions, 20797 flow [2021-08-13 07:06:43,307 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 77.10526315789474) internal successors, (1465), 19 states have internal predecessors, (1465), 0 states have call successors, (0), 0 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 07:06:43,307 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:43,307 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:43,307 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-13 07:06:43,307 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:43,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:43,307 INFO L82 PathProgramCache]: Analyzing trace with hash 816533736, now seen corresponding path program 6 times [2021-08-13 07:06:43,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:43,308 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299976604] [2021-08-13 07:06:43,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:43,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:43,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:43,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:43,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:43,419 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:06:43,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:43,423 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:43,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:43,430 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:43,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:43,438 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:06:43,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:06:43,449 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:43,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:43,480 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:43,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:43,491 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:43,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:43,502 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:43,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:43,514 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:43,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:43,528 INFO L142 QuantifierPusher]: treesize reduction 23, result has 56.6 percent of original size [2021-08-13 07:06:43,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:06:43,556 INFO L142 QuantifierPusher]: treesize reduction 23, result has 55.8 percent of original size [2021-08-13 07:06:43,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:06:43,580 INFO L142 QuantifierPusher]: treesize reduction 26, result has 62.9 percent of original size [2021-08-13 07:06:43,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:06:43,656 INFO L142 QuantifierPusher]: treesize reduction 26, result has 66.2 percent of original size [2021-08-13 07:06:43,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:06:43,672 INFO L142 QuantifierPusher]: treesize reduction 26, result has 62.9 percent of original size [2021-08-13 07:06:43,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:06:43,673 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:43,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:43,687 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:43,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:43,688 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:06:43,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:06:43,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:43,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:43,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:43,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:43,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:43,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:43,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:43,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:43,735 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 07:06:43,735 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:43,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299976604] [2021-08-13 07:06:43,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299976604] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:43,735 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:43,735 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:06:43,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769178140] [2021-08-13 07:06:43,736 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:06:43,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:43,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:06:43,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:06:43,738 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 171 [2021-08-13 07:06:43,739 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 1336 transitions, 20797 flow. Second operand has 19 states, 19 states have (on average 77.10526315789474) internal successors, (1465), 19 states have internal predecessors, (1465), 0 states have call successors, (0), 0 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 07:06:43,739 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:43,739 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 171 [2021-08-13 07:06:43,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:46,897 INFO L129 PetriNetUnfolder]: 3312/7648 cut-off events. [2021-08-13 07:06:46,898 INFO L130 PetriNetUnfolder]: For 52353/61131 co-relation queries the response was YES. [2021-08-13 07:06:46,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50380 conditions, 7648 events. 3312/7648 cut-off events. For 52353/61131 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 64106 event pairs, 35 based on Foata normal form. 547/8143 useless extension candidates. Maximal degree in co-relation 43479. Up to 3166 conditions per place. [2021-08-13 07:06:46,947 INFO L132 encePairwiseOnDemand]: 138/171 looper letters, 1100 selfloop transitions, 257 changer transitions 77/1565 dead transitions. [2021-08-13 07:06:46,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 1565 transitions, 27779 flow [2021-08-13 07:06:46,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 07:06:46,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 07:06:46,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1837 transitions. [2021-08-13 07:06:46,950 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.48830409356725146 [2021-08-13 07:06:46,950 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1837 transitions. [2021-08-13 07:06:46,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1837 transitions. [2021-08-13 07:06:46,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:46,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1837 transitions. [2021-08-13 07:06:46,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 83.5) internal successors, (1837), 22 states have internal predecessors, (1837), 0 states have call successors, (0), 0 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 07:06:46,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 171.0) internal successors, (3933), 23 states have internal predecessors, (3933), 0 states have call successors, (0), 0 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 07:06:46,956 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 171.0) internal successors, (3933), 23 states have internal predecessors, (3933), 0 states have call successors, (0), 0 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 07:06:46,956 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 144 predicate places. [2021-08-13 07:06:46,956 INFO L482 AbstractCegarLoop]: Abstraction has has 301 places, 1565 transitions, 27779 flow [2021-08-13 07:06:46,957 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 77.10526315789474) internal successors, (1465), 19 states have internal predecessors, (1465), 0 states have call successors, (0), 0 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 07:06:46,957 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:46,957 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:46,957 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-13 07:06:46,957 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:46,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:46,957 INFO L82 PathProgramCache]: Analyzing trace with hash 347684362, now seen corresponding path program 7 times [2021-08-13 07:06:46,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:46,958 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960212443] [2021-08-13 07:06:46,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:47,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:47,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:47,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:47,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:47,071 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:06:47,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:47,075 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:47,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:47,081 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:47,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:47,090 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:06:47,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:06:47,100 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:47,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:47,111 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:47,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:47,122 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:47,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:47,133 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:47,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:47,148 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:47,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:47,162 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:47,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:47,173 INFO L142 QuantifierPusher]: treesize reduction 25, result has 53.7 percent of original size [2021-08-13 07:06:47,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:06:47,197 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.1 percent of original size [2021-08-13 07:06:47,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:06:47,229 INFO L142 QuantifierPusher]: treesize reduction 28, result has 64.6 percent of original size [2021-08-13 07:06:47,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:06:47,240 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.1 percent of original size [2021-08-13 07:06:47,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:06:47,241 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:47,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:47,252 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:47,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:47,253 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:06:47,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:06:47,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:47,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:47,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:47,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:47,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:47,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:47,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:47,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:47,294 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 07:06:47,294 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:47,294 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960212443] [2021-08-13 07:06:47,294 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960212443] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:47,294 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:47,294 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:06:47,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748914705] [2021-08-13 07:06:47,295 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:06:47,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:47,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:06:47,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:06:47,296 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 171 [2021-08-13 07:06:47,297 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 1565 transitions, 27779 flow. Second operand has 19 states, 19 states have (on average 77.10526315789474) internal successors, (1465), 19 states have internal predecessors, (1465), 0 states have call successors, (0), 0 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 07:06:47,297 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:47,297 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 171 [2021-08-13 07:06:47,297 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:51,648 INFO L129 PetriNetUnfolder]: 3803/8974 cut-off events. [2021-08-13 07:06:51,648 INFO L130 PetriNetUnfolder]: For 75833/85516 co-relation queries the response was YES. [2021-08-13 07:06:51,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65047 conditions, 8974 events. 3803/8974 cut-off events. For 75833/85516 co-relation queries the response was YES. Maximal size of possible extension queue 326. Compared 78772 event pairs, 28 based on Foata normal form. 446/9363 useless extension candidates. Maximal degree in co-relation 55442. Up to 3796 conditions per place. [2021-08-13 07:06:51,707 INFO L132 encePairwiseOnDemand]: 140/171 looper letters, 1449 selfloop transitions, 160 changer transitions 91/1831 dead transitions. [2021-08-13 07:06:51,708 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 1831 transitions, 36459 flow [2021-08-13 07:06:51,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 07:06:51,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 07:06:51,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1830 transitions. [2021-08-13 07:06:51,710 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4864433811802233 [2021-08-13 07:06:51,710 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1830 transitions. [2021-08-13 07:06:51,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1830 transitions. [2021-08-13 07:06:51,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:51,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1830 transitions. [2021-08-13 07:06:51,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 83.18181818181819) internal successors, (1830), 22 states have internal predecessors, (1830), 0 states have call successors, (0), 0 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 07:06:51,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 171.0) internal successors, (3933), 23 states have internal predecessors, (3933), 0 states have call successors, (0), 0 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 07:06:51,716 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 171.0) internal successors, (3933), 23 states have internal predecessors, (3933), 0 states have call successors, (0), 0 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 07:06:51,716 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 165 predicate places. [2021-08-13 07:06:51,716 INFO L482 AbstractCegarLoop]: Abstraction has has 322 places, 1831 transitions, 36459 flow [2021-08-13 07:06:51,717 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 77.10526315789474) internal successors, (1465), 19 states have internal predecessors, (1465), 0 states have call successors, (0), 0 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 07:06:51,717 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:51,717 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:51,717 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-13 07:06:51,717 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:51,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:51,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1139734980, now seen corresponding path program 8 times [2021-08-13 07:06:51,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:51,718 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603268851] [2021-08-13 07:06:51,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:51,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:51,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:51,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:51,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:51,828 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:06:51,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:51,832 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:51,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:51,838 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:51,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:51,845 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:06:51,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:06:51,855 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:51,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:51,869 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:51,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:51,879 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:51,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:51,890 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:51,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:51,902 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:51,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:51,912 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:51,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:51,936 INFO L142 QuantifierPusher]: treesize reduction 25, result has 53.7 percent of original size [2021-08-13 07:06:51,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:06:51,957 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.1 percent of original size [2021-08-13 07:06:51,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:06:51,988 INFO L142 QuantifierPusher]: treesize reduction 28, result has 64.6 percent of original size [2021-08-13 07:06:51,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:06:52,000 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.1 percent of original size [2021-08-13 07:06:52,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:06:52,001 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:52,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:52,011 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:52,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:52,012 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:06:52,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:06:52,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:52,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:52,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:52,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:52,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:52,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:52,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:52,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:52,080 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 07:06:52,080 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:52,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603268851] [2021-08-13 07:06:52,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603268851] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:52,080 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:52,080 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:06:52,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104252238] [2021-08-13 07:06:52,080 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:06:52,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:52,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:06:52,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:06:52,082 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 171 [2021-08-13 07:06:52,083 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 1831 transitions, 36459 flow. Second operand has 19 states, 19 states have (on average 77.10526315789474) internal successors, (1465), 19 states have internal predecessors, (1465), 0 states have call successors, (0), 0 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 07:06:52,083 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:52,083 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 171 [2021-08-13 07:06:52,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:58,263 INFO L129 PetriNetUnfolder]: 4448/10574 cut-off events. [2021-08-13 07:06:58,263 INFO L130 PetriNetUnfolder]: For 107820/120409 co-relation queries the response was YES. [2021-08-13 07:06:58,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83770 conditions, 10574 events. 4448/10574 cut-off events. For 107820/120409 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 96263 event pairs, 36 based on Foata normal form. 358/10864 useless extension candidates. Maximal degree in co-relation 70923. Up to 4536 conditions per place. [2021-08-13 07:06:58,329 INFO L132 encePairwiseOnDemand]: 140/171 looper letters, 1745 selfloop transitions, 160 changer transitions 105/2141 dead transitions. [2021-08-13 07:06:58,329 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 2141 transitions, 47171 flow [2021-08-13 07:06:58,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 07:06:58,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 07:06:58,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1830 transitions. [2021-08-13 07:06:58,331 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4864433811802233 [2021-08-13 07:06:58,331 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1830 transitions. [2021-08-13 07:06:58,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1830 transitions. [2021-08-13 07:06:58,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:58,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1830 transitions. [2021-08-13 07:06:58,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 83.18181818181819) internal successors, (1830), 22 states have internal predecessors, (1830), 0 states have call successors, (0), 0 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 07:06:58,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 171.0) internal successors, (3933), 23 states have internal predecessors, (3933), 0 states have call successors, (0), 0 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 07:06:58,337 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 171.0) internal successors, (3933), 23 states have internal predecessors, (3933), 0 states have call successors, (0), 0 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 07:06:58,337 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 186 predicate places. [2021-08-13 07:06:58,337 INFO L482 AbstractCegarLoop]: Abstraction has has 343 places, 2141 transitions, 47171 flow [2021-08-13 07:06:58,337 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 77.10526315789474) internal successors, (1465), 19 states have internal predecessors, (1465), 0 states have call successors, (0), 0 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 07:06:58,337 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:58,338 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:58,338 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-13 07:06:58,338 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:58,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:58,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1781849824, now seen corresponding path program 9 times [2021-08-13 07:06:58,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:58,338 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216186630] [2021-08-13 07:06:58,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:58,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:58,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:58,444 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:06:58,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:58,448 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:58,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:58,454 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:58,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:58,464 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:06:58,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:06:58,475 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:58,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:58,487 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:58,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:58,497 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:58,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:58,508 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:58,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:58,518 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:58,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:58,530 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:58,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:58,541 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 07:06:58,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:06:58,565 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 07:06:58,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:06:58,596 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 07:06:58,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:06:58,611 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 07:06:58,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:06:58,612 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:58,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:58,624 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:06:58,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:06:58,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:58,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:58,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:58,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:58,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:58,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:58,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:58,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:58,667 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 07:06:58,667 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:58,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216186630] [2021-08-13 07:06:58,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216186630] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:58,667 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:58,667 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:06:58,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632867024] [2021-08-13 07:06:58,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:06:58,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:58,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:06:58,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:06:58,669 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 171 [2021-08-13 07:06:58,669 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 2141 transitions, 47171 flow. Second operand has 19 states, 19 states have (on average 77.10526315789474) internal successors, (1465), 19 states have internal predecessors, (1465), 0 states have call successors, (0), 0 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 07:06:58,670 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:58,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 171 [2021-08-13 07:06:58,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:07:06,659 INFO L129 PetriNetUnfolder]: 4453/10656 cut-off events. [2021-08-13 07:07:06,659 INFO L130 PetriNetUnfolder]: For 127841/147335 co-relation queries the response was YES. [2021-08-13 07:07:06,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91341 conditions, 10656 events. 4453/10656 cut-off events. For 127841/147335 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 97164 event pairs, 41 based on Foata normal form. 205/10790 useless extension candidates. Maximal degree in co-relation 76698. Up to 4567 conditions per place. [2021-08-13 07:07:06,733 INFO L132 encePairwiseOnDemand]: 140/171 looper letters, 1785 selfloop transitions, 159 changer transitions 119/2194 dead transitions. [2021-08-13 07:07:06,734 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 2194 transitions, 52533 flow [2021-08-13 07:07:06,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 07:07:06,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 07:07:06,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1830 transitions. [2021-08-13 07:07:06,738 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4864433811802233 [2021-08-13 07:07:06,738 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1830 transitions. [2021-08-13 07:07:06,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1830 transitions. [2021-08-13 07:07:06,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:07:06,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1830 transitions. [2021-08-13 07:07:06,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 83.18181818181819) internal successors, (1830), 22 states have internal predecessors, (1830), 0 states have call successors, (0), 0 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 07:07:06,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 171.0) internal successors, (3933), 23 states have internal predecessors, (3933), 0 states have call successors, (0), 0 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 07:07:06,744 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 171.0) internal successors, (3933), 23 states have internal predecessors, (3933), 0 states have call successors, (0), 0 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 07:07:06,744 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 207 predicate places. [2021-08-13 07:07:06,744 INFO L482 AbstractCegarLoop]: Abstraction has has 364 places, 2194 transitions, 52533 flow [2021-08-13 07:07:06,744 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 77.10526315789474) internal successors, (1465), 19 states have internal predecessors, (1465), 0 states have call successors, (0), 0 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 07:07:06,744 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:07:06,744 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:07:06,744 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-13 07:07:06,744 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:07:06,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:07:06,745 INFO L82 PathProgramCache]: Analyzing trace with hash -420587690, now seen corresponding path program 10 times [2021-08-13 07:07:06,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:07:06,745 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051058694] [2021-08-13 07:07:06,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:07:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:07:06,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:06,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:07:06,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:06,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:07:06,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:06,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:07:06,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:06,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:07:06,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:06,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:07:06,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:06,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 07:07:06,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:06,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:07:06,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:06,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:07:06,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:06,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:07:06,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:06,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:07:06,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:06,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:07:06,915 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:07:06,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:07:06,940 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:07:06,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:07:06,965 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:07:06,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:07:06,994 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:07:06,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:07:07,023 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-08-13 07:07:07,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 07:07:07,058 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-08-13 07:07:07,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 07:07:07,094 INFO L142 QuantifierPusher]: treesize reduction 27, result has 66.7 percent of original size [2021-08-13 07:07:07,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-08-13 07:07:07,139 INFO L142 QuantifierPusher]: treesize reduction 27, result has 63.0 percent of original size [2021-08-13 07:07:07,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:07:07,141 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-08-13 07:07:07,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:07:07,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:07,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:07:07,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:07,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:07:07,143 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 07:07:07,143 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:07:07,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051058694] [2021-08-13 07:07:07,143 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051058694] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:07:07,143 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:07:07,143 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 07:07:07,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441906191] [2021-08-13 07:07:07,143 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 07:07:07,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:07:07,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 07:07:07,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-08-13 07:07:07,145 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 171 [2021-08-13 07:07:07,146 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 2194 transitions, 52533 flow. Second operand has 18 states, 18 states have (on average 119.94444444444444) internal successors, (2159), 18 states have internal predecessors, (2159), 0 states have call successors, (0), 0 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 07:07:07,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:07:07,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 171 [2021-08-13 07:07:07,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:07:07,996 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-08-13 07:07:08,159 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-08-13 07:07:08,406 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-08-13 07:07:08,638 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-08-13 07:07:23,962 INFO L129 PetriNetUnfolder]: 7728/18886 cut-off events. [2021-08-13 07:07:23,963 INFO L130 PetriNetUnfolder]: For 244119/375620 co-relation queries the response was YES. [2021-08-13 07:07:24,003 INFO L84 FinitePrefix]: Finished finitePrefix Result has 175397 conditions, 18886 events. 7728/18886 cut-off events. For 244119/375620 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 195223 event pairs, 76 based on Foata normal form. 445/19203 useless extension candidates. Maximal degree in co-relation 146386. Up to 8553 conditions per place. [2021-08-13 07:07:24,103 INFO L132 encePairwiseOnDemand]: 153/171 looper letters, 2190 selfloop transitions, 95 changer transitions 152/3217 dead transitions. [2021-08-13 07:07:24,104 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 3217 transitions, 83705 flow [2021-08-13 07:07:24,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-13 07:07:24,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-13 07:07:24,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2158 transitions. [2021-08-13 07:07:24,106 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7423460612315101 [2021-08-13 07:07:24,106 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2158 transitions. [2021-08-13 07:07:24,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2158 transitions. [2021-08-13 07:07:24,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:07:24,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2158 transitions. [2021-08-13 07:07:24,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 126.94117647058823) internal successors, (2158), 17 states have internal predecessors, (2158), 0 states have call successors, (0), 0 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 07:07:24,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 171.0) internal successors, (3078), 18 states have internal predecessors, (3078), 0 states have call successors, (0), 0 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 07:07:24,111 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 171.0) internal successors, (3078), 18 states have internal predecessors, (3078), 0 states have call successors, (0), 0 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 07:07:24,111 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 223 predicate places. [2021-08-13 07:07:24,111 INFO L482 AbstractCegarLoop]: Abstraction has has 380 places, 3217 transitions, 83705 flow [2021-08-13 07:07:24,111 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 119.94444444444444) internal successors, (2159), 18 states have internal predecessors, (2159), 0 states have call successors, (0), 0 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 07:07:24,111 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:07:24,111 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:07:24,112 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-13 07:07:24,112 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:07:24,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:07:24,112 INFO L82 PathProgramCache]: Analyzing trace with hash 591386904, now seen corresponding path program 11 times [2021-08-13 07:07:24,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:07:24,112 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671873760] [2021-08-13 07:07:24,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:07:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:07:24,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:24,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:07:24,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:24,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:07:24,216 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:07:24,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:07:24,219 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:07:24,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:07:24,225 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:07:24,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:07:24,232 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:07:24,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:07:24,244 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:24,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:24,255 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:24,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:24,266 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:24,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:24,278 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:24,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:24,292 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:24,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:24,306 INFO L142 QuantifierPusher]: treesize reduction 23, result has 56.6 percent of original size [2021-08-13 07:07:24,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:07:24,332 INFO L142 QuantifierPusher]: treesize reduction 23, result has 55.8 percent of original size [2021-08-13 07:07:24,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:07:24,356 INFO L142 QuantifierPusher]: treesize reduction 26, result has 62.9 percent of original size [2021-08-13 07:07:24,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:07:24,389 INFO L142 QuantifierPusher]: treesize reduction 26, result has 66.2 percent of original size [2021-08-13 07:07:24,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:07:24,406 INFO L142 QuantifierPusher]: treesize reduction 26, result has 62.9 percent of original size [2021-08-13 07:07:24,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:07:24,407 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:07:24,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:07:24,419 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:07:24,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:07:24,420 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:07:24,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:07:24,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:24,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:07:24,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:24,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:07:24,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:24,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:07:24,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:24,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:07:24,464 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 07:07:24,464 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:07:24,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671873760] [2021-08-13 07:07:24,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671873760] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:07:24,465 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:07:24,465 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:07:24,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639628152] [2021-08-13 07:07:24,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:07:24,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:07:24,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:07:24,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:07:24,466 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 171 [2021-08-13 07:07:24,467 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 3217 transitions, 83705 flow. Second operand has 19 states, 19 states have (on average 77.10526315789474) internal successors, (1465), 19 states have internal predecessors, (1465), 0 states have call successors, (0), 0 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 07:07:24,467 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:07:24,467 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 171 [2021-08-13 07:07:24,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:08:03,418 INFO L129 PetriNetUnfolder]: 9032/23352 cut-off events. [2021-08-13 07:08:03,419 INFO L130 PetriNetUnfolder]: For 365324/475409 co-relation queries the response was YES. [2021-08-13 07:08:03,472 INFO L84 FinitePrefix]: Finished finitePrefix Result has 229701 conditions, 23352 events. 9032/23352 cut-off events. For 365324/475409 co-relation queries the response was YES. Maximal size of possible extension queue 919. Compared 258095 event pairs, 108 based on Foata normal form. 493/23676 useless extension candidates. Maximal degree in co-relation 185056. Up to 10624 conditions per place. [2021-08-13 07:08:03,599 INFO L132 encePairwiseOnDemand]: 137/171 looper letters, 2857 selfloop transitions, 682 changer transitions 237/4216 dead transitions. [2021-08-13 07:08:03,599 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 4216 transitions, 117881 flow [2021-08-13 07:08:03,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 07:08:03,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 07:08:03,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1844 transitions. [2021-08-13 07:08:03,603 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.49016480595427964 [2021-08-13 07:08:03,603 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1844 transitions. [2021-08-13 07:08:03,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1844 transitions. [2021-08-13 07:08:03,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:08:03,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1844 transitions. [2021-08-13 07:08:03,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 83.81818181818181) internal successors, (1844), 22 states have internal predecessors, (1844), 0 states have call successors, (0), 0 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 07:08:03,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 171.0) internal successors, (3933), 23 states have internal predecessors, (3933), 0 states have call successors, (0), 0 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 07:08:03,608 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 171.0) internal successors, (3933), 23 states have internal predecessors, (3933), 0 states have call successors, (0), 0 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 07:08:03,609 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 244 predicate places. [2021-08-13 07:08:03,609 INFO L482 AbstractCegarLoop]: Abstraction has has 401 places, 4216 transitions, 117881 flow [2021-08-13 07:08:03,609 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 77.10526315789474) internal successors, (1465), 19 states have internal predecessors, (1465), 0 states have call successors, (0), 0 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 07:08:03,609 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:08:03,609 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:08:03,609 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-13 07:08:03,609 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:08:03,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:08:03,610 INFO L82 PathProgramCache]: Analyzing trace with hash 683871460, now seen corresponding path program 12 times [2021-08-13 07:08:03,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:08:03,610 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610364507] [2021-08-13 07:08:03,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:08:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:08:03,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:08:03,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:08:03,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:08:03,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:08:03,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:08:03,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:08:03,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:08:03,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:08:03,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:08:03,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:08:03,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:08:03,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 07:08:03,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:08:03,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:08:03,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:08:03,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:08:03,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:08:03,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:08:03,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:08:03,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:08:03,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:08:03,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:08:03,829 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:08:03,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:08:03,854 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:08:03,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:08:03,878 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:08:03,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:08:03,912 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:08:03,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:08:03,939 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:08:03,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:08:03,968 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-08-13 07:08:03,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 07:08:04,001 INFO L142 QuantifierPusher]: treesize reduction 27, result has 66.7 percent of original size [2021-08-13 07:08:04,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-08-13 07:08:04,044 INFO L142 QuantifierPusher]: treesize reduction 27, result has 63.0 percent of original size [2021-08-13 07:08:04,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:08:04,045 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-08-13 07:08:04,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:08:04,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:08:04,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:08:04,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:08:04,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:08:04,047 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 07:08:04,047 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:08:04,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610364507] [2021-08-13 07:08:04,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610364507] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:08:04,047 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:08:04,047 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 07:08:04,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814405801] [2021-08-13 07:08:04,048 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 07:08:04,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:08:04,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 07:08:04,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-08-13 07:08:04,049 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 171 [2021-08-13 07:08:04,050 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 4216 transitions, 117881 flow. Second operand has 18 states, 18 states have (on average 119.94444444444444) internal successors, (2159), 18 states have internal predecessors, (2159), 0 states have call successors, (0), 0 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 07:08:04,050 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:08:04,050 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 171 [2021-08-13 07:08:04,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:08:05,031 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-08-13 07:08:05,363 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-08-13 07:08:05,666 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-08-13 07:08:06,003 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-08-13 07:09:09,731 INFO L129 PetriNetUnfolder]: 9028/23373 cut-off events. [2021-08-13 07:09:09,731 INFO L130 PetriNetUnfolder]: For 378262/479606 co-relation queries the response was YES. [2021-08-13 07:09:09,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 242298 conditions, 23373 events. 9028/23373 cut-off events. For 378262/479606 co-relation queries the response was YES. Maximal size of possible extension queue 922. Compared 258781 event pairs, 88 based on Foata normal form. 664/23864 useless extension candidates. Maximal degree in co-relation 196398. Up to 10649 conditions per place. [2021-08-13 07:09:09,914 INFO L132 encePairwiseOnDemand]: 153/171 looper letters, 2686 selfloop transitions, 110 changer transitions 237/4232 dead transitions. [2021-08-13 07:09:09,914 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 4232 transitions, 124129 flow [2021-08-13 07:09:09,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-13 07:09:09,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-13 07:09:09,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2156 transitions. [2021-08-13 07:09:09,916 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7416580667354661 [2021-08-13 07:09:09,916 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2156 transitions. [2021-08-13 07:09:09,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2156 transitions. [2021-08-13 07:09:09,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:09:09,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2156 transitions. [2021-08-13 07:09:09,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 126.82352941176471) internal successors, (2156), 17 states have internal predecessors, (2156), 0 states have call successors, (0), 0 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 07:09:09,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 171.0) internal successors, (3078), 18 states have internal predecessors, (3078), 0 states have call successors, (0), 0 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 07:09:09,920 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 171.0) internal successors, (3078), 18 states have internal predecessors, (3078), 0 states have call successors, (0), 0 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 07:09:09,920 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 260 predicate places. [2021-08-13 07:09:09,921 INFO L482 AbstractCegarLoop]: Abstraction has has 417 places, 4232 transitions, 124129 flow [2021-08-13 07:09:09,921 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 119.94444444444444) internal successors, (2159), 18 states have internal predecessors, (2159), 0 states have call successors, (0), 0 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 07:09:09,921 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:09:09,921 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:09:09,921 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-13 07:09:09,921 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:09:09,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:09:09,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1515858920, now seen corresponding path program 13 times [2021-08-13 07:09:09,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:09:09,922 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703715825] [2021-08-13 07:09:09,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:09:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:09:10,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:09:10,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:09:10,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:09:10,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:09:10,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:09:10,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:09:10,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:09:10,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:09:10,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:09:10,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:09:10,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:09:10,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 07:09:10,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:09:10,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:09:10,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:09:10,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:09:10,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:09:10,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:09:10,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:09:10,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:09:10,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:09:10,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:09:10,072 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:09:10,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:09:10,101 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:09:10,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:09:10,130 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:09:10,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:09:10,160 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-08-13 07:09:10,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 07:09:10,194 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-08-13 07:09:10,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 07:09:10,227 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-08-13 07:09:10,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 07:09:10,260 INFO L142 QuantifierPusher]: treesize reduction 27, result has 66.7 percent of original size [2021-08-13 07:09:10,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-08-13 07:09:10,305 INFO L142 QuantifierPusher]: treesize reduction 27, result has 63.0 percent of original size [2021-08-13 07:09:10,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:09:10,307 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-08-13 07:09:10,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:09:10,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:09:10,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:09:10,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:09:10,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:09:10,309 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 07:09:10,309 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:09:10,309 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703715825] [2021-08-13 07:09:10,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703715825] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:09:10,309 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:09:10,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 07:09:10,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109835064] [2021-08-13 07:09:10,310 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 07:09:10,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:09:10,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 07:09:10,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-08-13 07:09:10,311 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 171 [2021-08-13 07:09:10,312 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 4232 transitions, 124129 flow. Second operand has 18 states, 18 states have (on average 119.94444444444444) internal successors, (2159), 18 states have internal predecessors, (2159), 0 states have call successors, (0), 0 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 07:09:10,312 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:09:10,312 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 171 [2021-08-13 07:09:10,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:09:11,580 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-08-13 07:09:11,978 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-08-13 07:09:12,334 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-08-13 07:10:14,606 INFO L129 PetriNetUnfolder]: 9384/24013 cut-off events. [2021-08-13 07:10:14,606 INFO L130 PetriNetUnfolder]: For 418241/520273 co-relation queries the response was YES. [2021-08-13 07:10:14,672 INFO L84 FinitePrefix]: Finished finitePrefix Result has 263044 conditions, 24013 events. 9384/24013 cut-off events. For 418241/520273 co-relation queries the response was YES. Maximal size of possible extension queue 927. Compared 264957 event pairs, 78 based on Foata normal form. 526/24367 useless extension candidates. Maximal degree in co-relation 215871. Up to 10968 conditions per place. [2021-08-13 07:10:14,817 INFO L132 encePairwiseOnDemand]: 153/171 looper letters, 2789 selfloop transitions, 117 changer transitions 237/4342 dead transitions. [2021-08-13 07:10:14,817 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 4342 transitions, 133429 flow [2021-08-13 07:10:14,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-13 07:10:14,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-13 07:10:14,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2160 transitions. [2021-08-13 07:10:14,822 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7430340557275542 [2021-08-13 07:10:14,822 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2160 transitions. [2021-08-13 07:10:14,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2160 transitions. [2021-08-13 07:10:14,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:10:14,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2160 transitions. [2021-08-13 07:10:14,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 127.05882352941177) internal successors, (2160), 17 states have internal predecessors, (2160), 0 states have call successors, (0), 0 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 07:10:14,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 171.0) internal successors, (3078), 18 states have internal predecessors, (3078), 0 states have call successors, (0), 0 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 07:10:14,826 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 171.0) internal successors, (3078), 18 states have internal predecessors, (3078), 0 states have call successors, (0), 0 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 07:10:14,826 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 276 predicate places. [2021-08-13 07:10:14,826 INFO L482 AbstractCegarLoop]: Abstraction has has 433 places, 4342 transitions, 133429 flow [2021-08-13 07:10:14,827 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 119.94444444444444) internal successors, (2159), 18 states have internal predecessors, (2159), 0 states have call successors, (0), 0 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 07:10:14,827 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:10:14,827 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:10:14,827 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-13 07:10:14,827 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:10:14,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:10:14,827 INFO L82 PathProgramCache]: Analyzing trace with hash -2065731536, now seen corresponding path program 14 times [2021-08-13 07:10:14,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:10:14,827 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783014357] [2021-08-13 07:10:14,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:10:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:10:14,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:10:14,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:10:14,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:10:14,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:10:14,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:10:14,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:10:14,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:10:14,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:10:14,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:10:14,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:10:14,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:10:14,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 07:10:14,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:10:14,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:10:14,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:10:14,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:10:14,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:10:14,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:10:14,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:10:14,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:10:14,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:10:14,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:10:14,988 INFO L142 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-08-13 07:10:14,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:10:15,015 INFO L142 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-08-13 07:10:15,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:10:15,042 INFO L142 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-08-13 07:10:15,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:10:15,070 INFO L142 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-08-13 07:10:15,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:10:15,098 INFO L142 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-08-13 07:10:15,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:10:15,125 INFO L142 QuantifierPusher]: treesize reduction 25, result has 62.1 percent of original size [2021-08-13 07:10:15,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-13 07:10:15,164 INFO L142 QuantifierPusher]: treesize reduction 25, result has 68.4 percent of original size [2021-08-13 07:10:15,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-08-13 07:10:15,209 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.8 percent of original size [2021-08-13 07:10:15,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:10:15,211 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 07:10:15,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:10:15,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:10:15,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:10:15,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:10:15,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:10:15,213 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 07:10:15,213 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:10:15,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783014357] [2021-08-13 07:10:15,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783014357] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:10:15,213 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:10:15,213 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 07:10:15,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715284835] [2021-08-13 07:10:15,213 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 07:10:15,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:10:15,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 07:10:15,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-08-13 07:10:15,215 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 171 [2021-08-13 07:10:15,215 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 4342 transitions, 133429 flow. Second operand has 18 states, 18 states have (on average 119.94444444444444) internal successors, (2159), 18 states have internal predecessors, (2159), 0 states have call successors, (0), 0 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 07:10:15,216 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:10:15,216 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 171 [2021-08-13 07:10:15,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:10:15,913 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-08-13 07:10:16,366 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-08-13 07:10:16,727 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-08-13 07:10:17,049 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-08-13 07:10:17,439 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-08-13 07:11:23,845 INFO L129 PetriNetUnfolder]: 8710/22856 cut-off events. [2021-08-13 07:11:23,845 INFO L130 PetriNetUnfolder]: For 445715/633412 co-relation queries the response was YES. [2021-08-13 07:11:23,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 260209 conditions, 22856 events. 8710/22856 cut-off events. For 445715/633412 co-relation queries the response was YES. Maximal size of possible extension queue 910. Compared 253840 event pairs, 88 based on Foata normal form. 766/23440 useless extension candidates. Maximal degree in co-relation 211759. Up to 10348 conditions per place. [2021-08-13 07:11:24,042 INFO L132 encePairwiseOnDemand]: 153/171 looper letters, 2602 selfloop transitions, 156 changer transitions 237/4194 dead transitions. [2021-08-13 07:11:24,043 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 4194 transitions, 134213 flow [2021-08-13 07:11:24,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-13 07:11:24,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-13 07:11:24,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2156 transitions. [2021-08-13 07:11:24,045 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7416580667354661 [2021-08-13 07:11:24,045 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2156 transitions. [2021-08-13 07:11:24,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2156 transitions. [2021-08-13 07:11:24,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:11:24,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2156 transitions. [2021-08-13 07:11:24,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 126.82352941176471) internal successors, (2156), 17 states have internal predecessors, (2156), 0 states have call successors, (0), 0 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 07:11:24,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 171.0) internal successors, (3078), 18 states have internal predecessors, (3078), 0 states have call successors, (0), 0 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 07:11:24,049 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 171.0) internal successors, (3078), 18 states have internal predecessors, (3078), 0 states have call successors, (0), 0 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 07:11:24,049 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 292 predicate places. [2021-08-13 07:11:24,049 INFO L482 AbstractCegarLoop]: Abstraction has has 449 places, 4194 transitions, 134213 flow [2021-08-13 07:11:24,049 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 119.94444444444444) internal successors, (2159), 18 states have internal predecessors, (2159), 0 states have call successors, (0), 0 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 07:11:24,049 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:11:24,049 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:11:24,049 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-13 07:11:24,050 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:11:24,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:11:24,050 INFO L82 PathProgramCache]: Analyzing trace with hash -453886910, now seen corresponding path program 15 times [2021-08-13 07:11:24,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:11:24,050 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647891705] [2021-08-13 07:11:24,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:11:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:11:24,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:11:24,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:11:24,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:11:24,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:11:24,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:11:24,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:11:24,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:11:24,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:11:24,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:11:24,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:11:24,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:11:24,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 07:11:24,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:11:24,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:11:24,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:11:24,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:11:24,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:11:24,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:11:24,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:11:24,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:11:24,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:11:24,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:11:24,212 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:11:24,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:11:24,244 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:11:24,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:11:24,268 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-08-13 07:11:24,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 07:11:24,297 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-08-13 07:11:24,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 07:11:24,334 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-08-13 07:11:24,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 07:11:24,365 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-08-13 07:11:24,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 07:11:24,398 INFO L142 QuantifierPusher]: treesize reduction 27, result has 66.7 percent of original size [2021-08-13 07:11:24,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-08-13 07:11:24,442 INFO L142 QuantifierPusher]: treesize reduction 27, result has 63.0 percent of original size [2021-08-13 07:11:24,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:11:24,443 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-08-13 07:11:24,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:11:24,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:11:24,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:11:24,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:11:24,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:11:24,445 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 07:11:24,446 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:11:24,446 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647891705] [2021-08-13 07:11:24,446 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647891705] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:11:24,446 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:11:24,446 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 07:11:24,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952780061] [2021-08-13 07:11:24,446 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 07:11:24,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:11:24,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 07:11:24,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-08-13 07:11:24,447 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 171 [2021-08-13 07:11:24,448 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 4194 transitions, 134213 flow. Second operand has 18 states, 18 states have (on average 119.94444444444444) internal successors, (2159), 18 states have internal predecessors, (2159), 0 states have call successors, (0), 0 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 07:11:24,448 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:11:24,449 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 171 [2021-08-13 07:11:24,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:11:24,698 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2021-08-13 07:11:25,739 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-08-13 07:11:26,168 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-08-13 07:11:26,540 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-08-13 07:12:14,720 INFO L129 PetriNetUnfolder]: 7489/19373 cut-off events. [2021-08-13 07:12:14,721 INFO L130 PetriNetUnfolder]: For 414064/533267 co-relation queries the response was YES. [2021-08-13 07:12:14,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 232703 conditions, 19373 events. 7489/19373 cut-off events. For 414064/533267 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 205912 event pairs, 65 based on Foata normal form. 521/19736 useless extension candidates. Maximal degree in co-relation 190430. Up to 8640 conditions per place. [2021-08-13 07:12:14,880 INFO L132 encePairwiseOnDemand]: 154/171 looper letters, 2255 selfloop transitions, 110 changer transitions 232/3796 dead transitions. [2021-08-13 07:12:14,880 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 3796 transitions, 124705 flow [2021-08-13 07:12:14,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-13 07:12:14,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-13 07:12:14,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2156 transitions. [2021-08-13 07:12:14,882 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7416580667354661 [2021-08-13 07:12:14,882 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2156 transitions. [2021-08-13 07:12:14,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2156 transitions. [2021-08-13 07:12:14,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:12:14,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2156 transitions. [2021-08-13 07:12:14,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 126.82352941176471) internal successors, (2156), 17 states have internal predecessors, (2156), 0 states have call successors, (0), 0 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 07:12:14,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 171.0) internal successors, (3078), 18 states have internal predecessors, (3078), 0 states have call successors, (0), 0 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 07:12:14,886 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 171.0) internal successors, (3078), 18 states have internal predecessors, (3078), 0 states have call successors, (0), 0 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 07:12:14,886 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 308 predicate places. [2021-08-13 07:12:14,886 INFO L482 AbstractCegarLoop]: Abstraction has has 465 places, 3796 transitions, 124705 flow [2021-08-13 07:12:14,886 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 119.94444444444444) internal successors, (2159), 18 states have internal predecessors, (2159), 0 states have call successors, (0), 0 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 07:12:14,886 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:12:14,887 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:12:14,887 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-13 07:12:14,887 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:12:14,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:12:14,887 INFO L82 PathProgramCache]: Analyzing trace with hash 82470416, now seen corresponding path program 16 times [2021-08-13 07:12:14,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:12:14,887 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645971578] [2021-08-13 07:12:14,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:12:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:12:14,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:12:14,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:12:14,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:12:14,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:12:14,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:12:14,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:12:14,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:12:14,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:12:14,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:12:14,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:12:14,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:12:14,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 07:12:14,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:12:14,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:12:14,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:12:14,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:12:14,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:12:14,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:12:15,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:12:15,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:12:15,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:12:15,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:12:15,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:12:15,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:12:15,043 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:12:15,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:12:15,069 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:12:15,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:12:15,100 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-08-13 07:12:15,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 07:12:15,136 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-08-13 07:12:15,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 07:12:15,168 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-08-13 07:12:15,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 07:12:15,200 INFO L142 QuantifierPusher]: treesize reduction 27, result has 66.7 percent of original size [2021-08-13 07:12:15,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-08-13 07:12:15,244 INFO L142 QuantifierPusher]: treesize reduction 27, result has 63.0 percent of original size [2021-08-13 07:12:15,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:12:15,246 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-08-13 07:12:15,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:12:15,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:12:15,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:12:15,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:12:15,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:12:15,249 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 07:12:15,249 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:12:15,249 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645971578] [2021-08-13 07:12:15,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645971578] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:12:15,249 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:12:15,249 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 07:12:15,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000843651] [2021-08-13 07:12:15,249 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 07:12:15,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:12:15,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 07:12:15,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-08-13 07:12:15,250 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 171 [2021-08-13 07:12:15,251 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 3796 transitions, 124705 flow. Second operand has 18 states, 18 states have (on average 119.94444444444444) internal successors, (2159), 18 states have internal predecessors, (2159), 0 states have call successors, (0), 0 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 07:12:15,251 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:12:15,251 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 171 [2021-08-13 07:12:15,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:12:16,451 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-08-13 07:12:16,969 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-08-13 07:12:17,479 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-08-13 07:13:48,257 INFO L129 PetriNetUnfolder]: 14708/38854 cut-off events. [2021-08-13 07:13:48,258 INFO L130 PetriNetUnfolder]: For 920228/1780802 co-relation queries the response was YES. [2021-08-13 07:13:48,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 484027 conditions, 38854 events. 14708/38854 cut-off events. For 920228/1780802 co-relation queries the response was YES. Maximal size of possible extension queue 1549. Compared 471071 event pairs, 131 based on Foata normal form. 541/39076 useless extension candidates. Maximal degree in co-relation 394840. Up to 17808 conditions per place. [2021-08-13 07:13:48,615 INFO L132 encePairwiseOnDemand]: 153/171 looper letters, 4533 selfloop transitions, 106 changer transitions 332/6170 dead transitions. [2021-08-13 07:13:48,615 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 6170 transitions, 223777 flow [2021-08-13 07:13:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-13 07:13:48,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-13 07:13:48,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2186 transitions. [2021-08-13 07:13:48,617 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7519779841761266 [2021-08-13 07:13:48,617 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2186 transitions. [2021-08-13 07:13:48,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2186 transitions. [2021-08-13 07:13:48,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:13:48,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2186 transitions. [2021-08-13 07:13:48,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 128.58823529411765) internal successors, (2186), 17 states have internal predecessors, (2186), 0 states have call successors, (0), 0 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 07:13:48,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 171.0) internal successors, (3078), 18 states have internal predecessors, (3078), 0 states have call successors, (0), 0 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 07:13:48,621 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 171.0) internal successors, (3078), 18 states have internal predecessors, (3078), 0 states have call successors, (0), 0 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 07:13:48,621 INFO L348 CegarLoopForPetriNet]: 157 programPoint places, 324 predicate places. [2021-08-13 07:13:48,621 INFO L482 AbstractCegarLoop]: Abstraction has has 481 places, 6170 transitions, 223777 flow [2021-08-13 07:13:48,622 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 119.94444444444444) internal successors, (2159), 18 states have internal predecessors, (2159), 0 states have call successors, (0), 0 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 07:13:48,622 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:13:48,622 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:13:48,622 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-13 07:13:48,622 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:13:48,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:13:48,622 INFO L82 PathProgramCache]: Analyzing trace with hash -951562756, now seen corresponding path program 17 times [2021-08-13 07:13:48,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:13:48,622 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904838911] [2021-08-13 07:13:48,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:13:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:13:48,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:13:48,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:13:48,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:13:48,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:13:48,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:13:48,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:13:48,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:13:48,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:13:48,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:13:48,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:13:48,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:13:48,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 07:13:48,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:13:48,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:13:48,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:13:48,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:13:48,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:13:48,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:13:48,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:13:48,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:13:48,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:13:48,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:13:48,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:13:48,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 07:13:48,780 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:13:48,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:13:48,808 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:13:48,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:13:48,838 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-08-13 07:13:48,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:13:48,959 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-08-13 07:13:48,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 07:13:48,991 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-08-13 07:13:48,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 07:13:49,025 INFO L142 QuantifierPusher]: treesize reduction 27, result has 66.7 percent of original size [2021-08-13 07:13:49,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-08-13 07:13:49,071 INFO L142 QuantifierPusher]: treesize reduction 27, result has 63.0 percent of original size [2021-08-13 07:13:49,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:13:49,073 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-08-13 07:13:49,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:13:49,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:13:49,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:13:49,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:13:49,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:13:49,075 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 07:13:49,075 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:13:49,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904838911] [2021-08-13 07:13:49,075 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904838911] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:13:49,075 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:13:49,075 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 07:13:49,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148684199] [2021-08-13 07:13:49,075 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 07:13:49,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:13:49,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 07:13:49,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-08-13 07:13:49,076 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 171 [2021-08-13 07:13:49,078 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 6170 transitions, 223777 flow. Second operand has 18 states, 18 states have (on average 119.94444444444444) internal successors, (2159), 18 states have internal predecessors, (2159), 0 states have call successors, (0), 0 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 07:13:49,078 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:13:49,078 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 171 [2021-08-13 07:13:49,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:13:50,475 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-08-13 07:13:50,917 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-08-13 07:13:52,189 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-08-13 07:13:53,207 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 Received shutdown request... [2021-08-13 07:15:43,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-13 07:15:43,390 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-13 07:15:43,390 WARN L547 AbstractCegarLoop]: Verification canceled [2021-08-13 07:15:43,392 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 07:15:43,393 WARN L188 ceAbstractionStarter]: Timeout [2021-08-13 07:15:43,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 07:15:43 BasicIcfg [2021-08-13 07:15:43,393 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 07:15:43,394 INFO L168 Benchmark]: Toolchain (without parser) took 556679.64 ms. Allocated memory was 187.7 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 149.3 MB in the beginning and 397.0 MB in the end (delta: -247.7 MB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2021-08-13 07:15:43,394 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 187.7 MB. Free memory was 169.1 MB in the beginning and 168.9 MB in the end (delta: 167.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 07:15:43,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.29 ms. Allocated memory is still 187.7 MB. Free memory was 149.1 MB in the beginning and 142.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 92.5 MB. Max. memory is 8.0 GB. [2021-08-13 07:15:43,394 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.63 ms. Allocated memory is still 187.7 MB. Free memory was 142.3 MB in the beginning and 139.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-13 07:15:43,394 INFO L168 Benchmark]: Boogie Preprocessor took 43.11 ms. Allocated memory is still 187.7 MB. Free memory was 139.2 MB in the beginning and 136.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-13 07:15:43,394 INFO L168 Benchmark]: RCFGBuilder took 540.65 ms. Allocated memory is still 187.7 MB. Free memory was 136.6 MB in the beginning and 87.8 MB in the end (delta: 48.8 MB). Peak memory consumption was 48.2 MB. Max. memory is 8.0 GB. [2021-08-13 07:15:43,394 INFO L168 Benchmark]: TraceAbstraction took 555282.96 ms. Allocated memory was 187.7 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 87.8 MB in the beginning and 397.0 MB in the end (delta: -309.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 8.0 GB. [2021-08-13 07:15:43,395 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 187.7 MB. Free memory was 169.1 MB in the beginning and 168.9 MB in the end (delta: 167.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 736.29 ms. Allocated memory is still 187.7 MB. Free memory was 149.1 MB in the beginning and 142.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 92.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 70.63 ms. Allocated memory is still 187.7 MB. Free memory was 142.3 MB in the beginning and 139.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 43.11 ms. Allocated memory is still 187.7 MB. Free memory was 139.2 MB in the beginning and 136.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 540.65 ms. Allocated memory is still 187.7 MB. Free memory was 136.6 MB in the beginning and 87.8 MB in the end (delta: 48.8 MB). Peak memory consumption was 48.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 555282.96 ms. Allocated memory was 187.7 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 87.8 MB in the beginning and 397.0 MB in the end (delta: -309.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (18states, 118/171 universal loopers) in iteration 22,while PetriNetUnfolder was constructing finite prefix that currently has 224312 conditions, 14914 events (7616/14913 cut-off events. For 399218/1068965 co-relation queries the response was YES. Maximal size of possible extension queue 1249. Compared 149359 event pairs, 16 based on Foata normal form. 655/16491 useless extension candidates. Maximal degree in co-relation 223520. Up to 7237 conditions per place.). - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (18states, 118/171 universal loopers) in iteration 22,while PetriNetUnfolder was constructing finite prefix that currently has 224312 conditions, 14914 events (7616/14913 cut-off events. For 399218/1068965 co-relation queries the response was YES. Maximal size of possible extension queue 1249. Compared 149359 event pairs, 16 based on Foata normal form. 655/16491 useless extension candidates. Maximal degree in co-relation 223520. Up to 7237 conditions per place.). - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (18states, 118/171 universal loopers) in iteration 22,while PetriNetUnfolder was constructing finite prefix that currently has 224312 conditions, 14914 events (7616/14913 cut-off events. For 399218/1068965 co-relation queries the response was YES. Maximal size of possible extension queue 1249. Compared 149359 event pairs, 16 based on Foata normal form. 655/16491 useless extension candidates. Maximal degree in co-relation 223520. Up to 7237 conditions per place.). - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (18states, 118/171 universal loopers) in iteration 22,while PetriNetUnfolder was constructing finite prefix that currently has 224312 conditions, 14914 events (7616/14913 cut-off events. For 399218/1068965 co-relation queries the response was YES. Maximal size of possible extension queue 1249. Compared 149359 event pairs, 16 based on Foata normal form. 655/16491 useless extension candidates. Maximal degree in co-relation 223520. Up to 7237 conditions per place.). - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (18states, 118/171 universal loopers) in iteration 22,while PetriNetUnfolder was constructing finite prefix that currently has 224312 conditions, 14914 events (7616/14913 cut-off events. For 399218/1068965 co-relation queries the response was YES. Maximal size of possible extension queue 1249. Compared 149359 event pairs, 16 based on Foata normal form. 655/16491 useless extension candidates. Maximal degree in co-relation 223520. Up to 7237 conditions per place.). - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (18states, 118/171 universal loopers) in iteration 22,while PetriNetUnfolder was constructing finite prefix that currently has 224312 conditions, 14914 events (7616/14913 cut-off events. For 399218/1068965 co-relation queries the response was YES. Maximal size of possible extension queue 1249. Compared 149359 event pairs, 16 based on Foata normal form. 655/16491 useless extension candidates. Maximal degree in co-relation 223520. Up to 7237 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 178 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 10.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 555161.5ms, OverallIterations: 22, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 547101.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 103.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1571 SDtfs, 8345 SDslu, 8901 SDs, 0 SdLazy, 11265 SolverSat, 586 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5981.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 709 GetRequests, 81 SyntacticMatches, 29 SemanticMatches, 599 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2145 ImplicationChecksByTransitivity, 20223.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=223777occurred in iteration=21, InterpolantAutomatonStates: 365, 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: 54.4ms SsaConstructionTime, 402.9ms SatisfiabilityAnalysisTime, 7097.1ms InterpolantComputationTime, 2222 NumberOfCodeBlocks, 2222 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2200 ConstructedInterpolants, 0 QuantifiedInterpolants, 22053 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