/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 21:20:58,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 21:20:58,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 21:20:58,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-12 21:20:58,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-12 21:20:58,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-12 21:20:58,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-12 21:20:58,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-12 21:20:58,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-12 21:20:58,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-12 21:20:58,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-12 21:20:58,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-12 21:20:58,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-12 21:20:58,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-12 21:20:58,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-12 21:20:58,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-12 21:20:58,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-12 21:20:58,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-12 21:20:58,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-12 21:20:58,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-12 21:20:58,225 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.epf [2021-08-12 21:20:58,273 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 21:20:58,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 21:20:58,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 21:20:58,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 21:20:58,276 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 21:20:58,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 21:20:58,277 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 21:20:58,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 21:20:58,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 21:20:58,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 21:20:58,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 21:20:58,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 21:20:58,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 21:20:58,278 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 21:20:58,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 21:20:58,278 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 21:20:58,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 21:20:58,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 21:20:58,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 21:20:58,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 21:20:58,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 21:20:58,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 21:20:58,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 21:20:58,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 21:20:58,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-12 21:20:58,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 21:20:58,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 21:20:58,280 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 21:20:58,280 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-12 21:20:58,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 21:20:58,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 21:20:58,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 21:20:58,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 21:20:58,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 21:20:58,570 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-12 21:20:58,571 INFO L275 PluginConnector]: CDTParser initialized [2021-08-12 21:20:58,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2021-08-12 21:20:58,610 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5fbf6dcc/3fd5a078aec049048c50ed86cb93d03d/FLAGf9e7c7ba0 [2021-08-12 21:20:59,099 INFO L306 CDTParser]: Found 1 translation units. [2021-08-12 21:20:59,100 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2021-08-12 21:20:59,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5fbf6dcc/3fd5a078aec049048c50ed86cb93d03d/FLAGf9e7c7ba0 [2021-08-12 21:20:59,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5fbf6dcc/3fd5a078aec049048c50ed86cb93d03d [2021-08-12 21:20:59,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 21:20:59,597 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-12 21:20:59,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-12 21:20:59,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-12 21:20:59,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-12 21:20:59,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 09:20:59" (1/1) ... [2021-08-12 21:20:59,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12098ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:20:59, skipping insertion in model container [2021-08-12 21:20:59,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 09:20:59" (1/1) ... [2021-08-12 21:20:59,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-12 21:20:59,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-12 21:20:59,724 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-12 21:21:00,087 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-3_2-container_of-global.i[75009,75022] [2021-08-12 21:21:00,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 21:21:00,130 INFO L203 MainTranslator]: Completed pre-run [2021-08-12 21:21:00,143 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-12 21:21:00,187 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-3_2-container_of-global.i[75009,75022] [2021-08-12 21:21:00,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 21:21:00,447 INFO L208 MainTranslator]: Completed translation [2021-08-12 21:21:00,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:21:00 WrapperNode [2021-08-12 21:21:00,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-12 21:21:00,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 21:21:00,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 21:21:00,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 21:21:00,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:21:00" (1/1) ... [2021-08-12 21:21:00,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:21:00" (1/1) ... [2021-08-12 21:21:00,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 21:21:00,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 21:21:00,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 21:21:00,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 21:21:00,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:21:00" (1/1) ... [2021-08-12 21:21:00,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:21:00" (1/1) ... [2021-08-12 21:21:00,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:21:00" (1/1) ... [2021-08-12 21:21:00,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:21:00" (1/1) ... [2021-08-12 21:21:00,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:21:00" (1/1) ... [2021-08-12 21:21:00,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:21:00" (1/1) ... [2021-08-12 21:21:00,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:21:00" (1/1) ... [2021-08-12 21:21:00,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 21:21:00,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 21:21:00,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 21:21:00,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 21:21:00,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:21:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 21:21:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-12 21:21:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-12 21:21:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-12 21:21:00,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-12 21:21:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-12 21:21:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 21:21:00,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 21:21:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-08-12 21:21:00,641 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-08-12 21:21:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-12 21:21:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-12 21:21:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-12 21:21:00,643 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 21:21:01,034 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 21:21:01,034 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-08-12 21:21:01,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:21:01 BoogieIcfgContainer [2021-08-12 21:21:01,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 21:21:01,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 21:21:01,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 21:21:01,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 21:21:01,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.08 09:20:59" (1/3) ... [2021-08-12 21:21:01,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0c2172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 09:21:01, skipping insertion in model container [2021-08-12 21:21:01,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:21:00" (2/3) ... [2021-08-12 21:21:01,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0c2172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 09:21:01, skipping insertion in model container [2021-08-12 21:21:01,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:21:01" (3/3) ... [2021-08-12 21:21:01,040 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2021-08-12 21:21:01,044 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 21:21:01,044 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-08-12 21:21:01,044 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 21:21:01,064 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,065 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,065 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,065 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,066 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,066 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,066 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,066 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,066 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,066 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,066 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,066 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,067 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,067 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,067 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,067 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,067 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,067 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,070 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,070 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,070 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,070 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,070 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,070 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,070 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,070 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,071 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,071 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,071 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,071 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,071 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,071 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,071 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,071 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,071 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,072 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,072 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,072 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,072 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,072 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,072 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,072 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,072 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,073 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,073 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,073 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,073 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,073 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,073 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,073 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,073 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,073 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,073 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,074 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,074 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,074 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,074 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,074 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,074 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,074 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,074 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,074 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,074 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,075 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,075 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,075 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,075 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,075 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,075 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,075 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,075 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,075 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,076 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,076 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,076 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,076 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,076 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,076 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,076 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,076 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,076 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,076 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,077 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,077 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,077 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,077 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,078 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,079 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,079 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,079 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,079 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,079 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,079 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,079 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,079 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,080 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,081 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,082 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,082 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:21:01,089 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-12 21:21:01,104 INFO L255 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-08-12 21:21:01,116 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 21:21:01,117 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-12 21:21:01,117 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 21:21:01,117 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 21:21:01,117 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 21:21:01,117 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 21:21:01,117 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 21:21:01,117 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 21:21:01,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 158 places, 162 transitions, 346 flow [2021-08-12 21:21:01,166 INFO L129 PetriNetUnfolder]: 11/202 cut-off events. [2021-08-12 21:21:01,166 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-08-12 21:21:01,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 202 events. 11/202 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 337 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 116. Up to 4 conditions per place. [2021-08-12 21:21:01,170 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 162 transitions, 346 flow [2021-08-12 21:21:01,173 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 150 transitions, 318 flow [2021-08-12 21:21:01,179 INFO L129 PetriNetUnfolder]: 1/38 cut-off events. [2021-08-12 21:21:01,179 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:21:01,179 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:01,180 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] [2021-08-12 21:21:01,180 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]=== [2021-08-12 21:21:01,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:01,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1369970770, now seen corresponding path program 1 times [2021-08-12 21:21:01,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:01,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187373696] [2021-08-12 21:21:01,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:01,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:01,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:01,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:01,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:21:01,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:01,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:01,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:01,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:01,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:01,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:01,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:01,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:01,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:01,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:01,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:01,423 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:01,423 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187373696] [2021-08-12 21:21:01,423 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187373696] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:01,424 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:01,424 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-12 21:21:01,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779192592] [2021-08-12 21:21:01,429 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 21:21:01,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:01,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 21:21:01,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-12 21:21:01,441 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 162 [2021-08-12 21:21:01,444 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 150 transitions, 318 flow. Second operand has 6 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:01,444 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:01,444 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 162 [2021-08-12 21:21:01,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:01,675 INFO L129 PetriNetUnfolder]: 362/914 cut-off events. [2021-08-12 21:21:01,676 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-08-12 21:21:01,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1601 conditions, 914 events. 362/914 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4960 event pairs, 216 based on Foata normal form. 20/882 useless extension candidates. Maximal degree in co-relation 1400. Up to 395 conditions per place. [2021-08-12 21:21:01,682 INFO L132 encePairwiseOnDemand]: 140/162 looper letters, 49 selfloop transitions, 17 changer transitions 1/146 dead transitions. [2021-08-12 21:21:01,683 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 146 transitions, 444 flow [2021-08-12 21:21:01,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 21:21:01,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-12 21:21:01,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 873 transitions. [2021-08-12 21:21:01,695 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5987654320987654 [2021-08-12 21:21:01,695 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 873 transitions. [2021-08-12 21:21:01,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 873 transitions. [2021-08-12 21:21:01,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:01,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 873 transitions. [2021-08-12 21:21:01,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 97.0) internal successors, (873), 9 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:01,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 162.0) internal successors, (1620), 10 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:01,708 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 162.0) internal successors, (1620), 10 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:01,709 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 1 predicate places. [2021-08-12 21:21:01,709 INFO L482 AbstractCegarLoop]: Abstraction has has 149 places, 146 transitions, 444 flow [2021-08-12 21:21:01,710 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:01,710 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:01,710 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] [2021-08-12 21:21:01,710 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 21:21:01,710 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]=== [2021-08-12 21:21:01,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:01,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1499060535, now seen corresponding path program 1 times [2021-08-12 21:21:01,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:01,711 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756072857] [2021-08-12 21:21:01,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:01,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:01,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:01,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:01,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:01,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:01,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:01,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:01,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:01,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:01,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:01,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:01,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:01,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:01,791 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:01,791 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756072857] [2021-08-12 21:21:01,791 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756072857] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:01,791 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:01,791 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-12 21:21:01,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707530528] [2021-08-12 21:21:01,792 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 21:21:01,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:01,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 21:21:01,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-12 21:21:01,794 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 162 [2021-08-12 21:21:01,795 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 146 transitions, 444 flow. Second operand has 6 states, 6 states have (on average 92.16666666666667) internal successors, (553), 6 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:01,795 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:01,795 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 162 [2021-08-12 21:21:01,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:01,973 INFO L129 PetriNetUnfolder]: 362/891 cut-off events. [2021-08-12 21:21:01,975 INFO L130 PetriNetUnfolder]: For 81/315 co-relation queries the response was YES. [2021-08-12 21:21:01,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2253 conditions, 891 events. 362/891 cut-off events. For 81/315 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 4893 event pairs, 120 based on Foata normal form. 0/841 useless extension candidates. Maximal degree in co-relation 1981. Up to 398 conditions per place. [2021-08-12 21:21:01,981 INFO L132 encePairwiseOnDemand]: 143/162 looper letters, 57 selfloop transitions, 18 changer transitions 1/154 dead transitions. [2021-08-12 21:21:01,982 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 154 transitions, 630 flow [2021-08-12 21:21:01,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-12 21:21:01,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-08-12 21:21:01,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 967 transitions. [2021-08-12 21:21:01,988 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5969135802469135 [2021-08-12 21:21:01,988 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 967 transitions. [2021-08-12 21:21:01,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 967 transitions. [2021-08-12 21:21:01,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:01,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 967 transitions. [2021-08-12 21:21:01,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 96.7) internal successors, (967), 10 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:01,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 162.0) internal successors, (1782), 11 states have internal predecessors, (1782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:01,993 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 162.0) internal successors, (1782), 11 states have internal predecessors, (1782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:01,993 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 8 predicate places. [2021-08-12 21:21:01,993 INFO L482 AbstractCegarLoop]: Abstraction has has 156 places, 154 transitions, 630 flow [2021-08-12 21:21:01,994 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 92.16666666666667) internal successors, (553), 6 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:01,994 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:01,994 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] [2021-08-12 21:21:01,994 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-12 21:21:01,994 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]=== [2021-08-12 21:21:01,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:01,997 INFO L82 PathProgramCache]: Analyzing trace with hash 709377487, now seen corresponding path program 1 times [2021-08-12 21:21:01,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:01,997 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846732119] [2021-08-12 21:21:01,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:02,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:02,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:21:02,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:02,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:02,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:02,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:02,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:02,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:02,137 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:02,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846732119] [2021-08-12 21:21:02,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846732119] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:02,138 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:02,138 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-12 21:21:02,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449042003] [2021-08-12 21:21:02,138 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 21:21:02,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:02,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 21:21:02,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-12 21:21:02,142 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 162 [2021-08-12 21:21:02,142 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 154 transitions, 630 flow. Second operand has 6 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:02,142 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:02,142 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 162 [2021-08-12 21:21:02,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:02,561 INFO L129 PetriNetUnfolder]: 833/1786 cut-off events. [2021-08-12 21:21:02,561 INFO L130 PetriNetUnfolder]: For 321/513 co-relation queries the response was YES. [2021-08-12 21:21:02,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6100 conditions, 1786 events. 833/1786 cut-off events. For 321/513 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 10760 event pairs, 104 based on Foata normal form. 0/1739 useless extension candidates. Maximal degree in co-relation 5765. Up to 882 conditions per place. [2021-08-12 21:21:02,572 INFO L132 encePairwiseOnDemand]: 141/162 looper letters, 113 selfloop transitions, 59 changer transitions 1/251 dead transitions. [2021-08-12 21:21:02,573 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 251 transitions, 1550 flow [2021-08-12 21:21:02,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 21:21:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-12 21:21:02,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1276 transitions. [2021-08-12 21:21:02,575 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6058879392212726 [2021-08-12 21:21:02,576 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1276 transitions. [2021-08-12 21:21:02,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1276 transitions. [2021-08-12 21:21:02,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:02,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1276 transitions. [2021-08-12 21:21:02,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 98.15384615384616) internal successors, (1276), 13 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:02,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 162.0) internal successors, (2268), 14 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:02,582 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 162.0) internal successors, (2268), 14 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:02,583 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 20 predicate places. [2021-08-12 21:21:02,583 INFO L482 AbstractCegarLoop]: Abstraction has has 168 places, 251 transitions, 1550 flow [2021-08-12 21:21:02,583 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:02,583 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:02,583 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] [2021-08-12 21:21:02,583 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-12 21:21:02,584 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]=== [2021-08-12 21:21:02,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:02,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1924610094, now seen corresponding path program 1 times [2021-08-12 21:21:02,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:02,586 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2522536] [2021-08-12 21:21:02,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:02,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:02,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:02,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:02,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:02,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:02,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:02,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:02,719 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:02,720 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2522536] [2021-08-12 21:21:02,720 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2522536] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:02,720 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:02,720 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-12 21:21:02,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524521151] [2021-08-12 21:21:02,721 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 21:21:02,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:02,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 21:21:02,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-12 21:21:02,722 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 162 [2021-08-12 21:21:02,722 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 251 transitions, 1550 flow. Second operand has 6 states, 6 states have (on average 92.16666666666667) internal successors, (553), 6 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:02,723 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:02,723 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 162 [2021-08-12 21:21:02,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:03,154 INFO L129 PetriNetUnfolder]: 1145/2349 cut-off events. [2021-08-12 21:21:03,154 INFO L130 PetriNetUnfolder]: For 848/1220 co-relation queries the response was YES. [2021-08-12 21:21:03,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10229 conditions, 2349 events. 1145/2349 cut-off events. For 848/1220 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 14780 event pairs, 109 based on Foata normal form. 47/2334 useless extension candidates. Maximal degree in co-relation 9834. Up to 1195 conditions per place. [2021-08-12 21:21:03,167 INFO L132 encePairwiseOnDemand]: 143/162 looper letters, 123 selfloop transitions, 53 changer transitions 100/354 dead transitions. [2021-08-12 21:21:03,168 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 354 transitions, 2920 flow [2021-08-12 21:21:03,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-12 21:21:03,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-08-12 21:21:03,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1083 transitions. [2021-08-12 21:21:03,170 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6077441077441077 [2021-08-12 21:21:03,170 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1083 transitions. [2021-08-12 21:21:03,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1083 transitions. [2021-08-12 21:21:03,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:03,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1083 transitions. [2021-08-12 21:21:03,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 98.45454545454545) internal successors, (1083), 11 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:03,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 162.0) internal successors, (1944), 12 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:03,175 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 162.0) internal successors, (1944), 12 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:03,175 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 30 predicate places. [2021-08-12 21:21:03,175 INFO L482 AbstractCegarLoop]: Abstraction has has 178 places, 354 transitions, 2920 flow [2021-08-12 21:21:03,175 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 92.16666666666667) internal successors, (553), 6 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:03,175 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:03,175 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] [2021-08-12 21:21:03,176 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-12 21:21:03,176 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]=== [2021-08-12 21:21:03,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:03,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1545345035, now seen corresponding path program 1 times [2021-08-12 21:21:03,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:03,176 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235483052] [2021-08-12 21:21:03,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:03,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:03,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:03,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:03,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:03,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:03,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:03,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:03,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:03,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:03,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:03,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:03,232 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:03,232 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235483052] [2021-08-12 21:21:03,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235483052] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:03,232 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:03,232 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 21:21:03,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156298397] [2021-08-12 21:21:03,233 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 21:21:03,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:03,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 21:21:03,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 21:21:03,234 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 162 [2021-08-12 21:21:03,235 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 354 transitions, 2920 flow. Second operand has 5 states, 5 states have (on average 140.8) internal successors, (704), 5 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:03,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:03,235 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 162 [2021-08-12 21:21:03,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:03,296 INFO L129 PetriNetUnfolder]: 73/343 cut-off events. [2021-08-12 21:21:03,296 INFO L130 PetriNetUnfolder]: For 231/389 co-relation queries the response was YES. [2021-08-12 21:21:03,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1142 conditions, 343 events. 73/343 cut-off events. For 231/389 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1166 event pairs, 72 based on Foata normal form. 0/322 useless extension candidates. Maximal degree in co-relation 699. Up to 155 conditions per place. [2021-08-12 21:21:03,298 INFO L132 encePairwiseOnDemand]: 156/162 looper letters, 5 selfloop transitions, 4 changer transitions 27/142 dead transitions. [2021-08-12 21:21:03,298 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 142 transitions, 820 flow [2021-08-12 21:21:03,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-12 21:21:03,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-08-12 21:21:03,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 990 transitions. [2021-08-12 21:21:03,300 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.873015873015873 [2021-08-12 21:21:03,300 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 990 transitions. [2021-08-12 21:21:03,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 990 transitions. [2021-08-12 21:21:03,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:03,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 990 transitions. [2021-08-12 21:21:03,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 141.42857142857142) internal successors, (990), 7 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:03,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 162.0) internal successors, (1296), 8 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:03,304 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 162.0) internal successors, (1296), 8 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:03,304 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 25 predicate places. [2021-08-12 21:21:03,304 INFO L482 AbstractCegarLoop]: Abstraction has has 173 places, 142 transitions, 820 flow [2021-08-12 21:21:03,305 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 140.8) internal successors, (704), 5 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:03,305 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:03,305 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] [2021-08-12 21:21:03,305 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-12 21:21:03,305 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]=== [2021-08-12 21:21:03,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:03,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1042037944, now seen corresponding path program 1 times [2021-08-12 21:21:03,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:03,306 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334823469] [2021-08-12 21:21:03,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:03,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:03,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:03,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:03,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:03,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:03,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:03,502 INFO L142 QuantifierPusher]: treesize reduction 20, result has 52.4 percent of original size [2021-08-12 21:21:03,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-12 21:21:03,520 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:21:03,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:03,531 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:21:03,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:03,543 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-08-12 21:21:03,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:03,555 INFO L142 QuantifierPusher]: treesize reduction 15, result has 48.3 percent of original size [2021-08-12 21:21:03,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:21:03,566 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:21:03,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:03,580 INFO L142 QuantifierPusher]: treesize reduction 16, result has 65.2 percent of original size [2021-08-12 21:21:03,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:21:03,588 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:21:03,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:03,597 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:21:03,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:03,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:03,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:03,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:03,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:03,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:03,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:03,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:03,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:03,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:03,629 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:03,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334823469] [2021-08-12 21:21:03,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334823469] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:03,630 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:03,630 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-12 21:21:03,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321993078] [2021-08-12 21:21:03,630 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-12 21:21:03,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:03,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-12 21:21:03,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-08-12 21:21:03,633 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 162 [2021-08-12 21:21:03,634 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 142 transitions, 820 flow. Second operand has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:03,634 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:03,634 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 162 [2021-08-12 21:21:03,635 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:04,422 INFO L129 PetriNetUnfolder]: 362/1045 cut-off events. [2021-08-12 21:21:04,422 INFO L130 PetriNetUnfolder]: For 2160/2668 co-relation queries the response was YES. [2021-08-12 21:21:04,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4001 conditions, 1045 events. 362/1045 cut-off events. For 2160/2668 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 5640 event pairs, 66 based on Foata normal form. 0/1014 useless extension candidates. Maximal degree in co-relation 2914. Up to 480 conditions per place. [2021-08-12 21:21:04,428 INFO L132 encePairwiseOnDemand]: 132/162 looper letters, 111 selfloop transitions, 33 changer transitions 51/247 dead transitions. [2021-08-12 21:21:04,428 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 247 transitions, 2072 flow [2021-08-12 21:21:04,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-12 21:21:04,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-08-12 21:21:04,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1478 transitions. [2021-08-12 21:21:04,431 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4801819363222872 [2021-08-12 21:21:04,431 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1478 transitions. [2021-08-12 21:21:04,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1478 transitions. [2021-08-12 21:21:04,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:04,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1478 transitions. [2021-08-12 21:21:04,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 77.78947368421052) internal successors, (1478), 19 states have internal predecessors, (1478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:04,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 162.0) internal successors, (3240), 20 states have internal predecessors, (3240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:04,438 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 162.0) internal successors, (3240), 20 states have internal predecessors, (3240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:04,438 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 43 predicate places. [2021-08-12 21:21:04,438 INFO L482 AbstractCegarLoop]: Abstraction has has 191 places, 247 transitions, 2072 flow [2021-08-12 21:21:04,438 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:04,438 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:04,438 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] [2021-08-12 21:21:04,439 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-12 21:21:04,439 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]=== [2021-08-12 21:21:04,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:04,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1911971290, now seen corresponding path program 2 times [2021-08-12 21:21:04,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:04,439 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321509867] [2021-08-12 21:21:04,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:04,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:04,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:04,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:04,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:04,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:04,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 21:21:04,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:04,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 21:21:04,579 INFO L142 QuantifierPusher]: treesize reduction 25, result has 39.0 percent of original size [2021-08-12 21:21:04,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 21:21:04,606 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-08-12 21:21:04,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-12 21:21:04,615 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-08-12 21:21:04,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 21:21:04,624 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-08-12 21:21:04,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 21:21:04,634 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-08-12 21:21:04,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:21:04,646 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-08-12 21:21:04,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:04,661 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-12 21:21:04,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:21:04,670 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:04,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:04,683 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:21:04,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:04,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:04,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:04,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:04,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:04,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:04,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:04,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:04,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:04,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:04,725 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:04,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321509867] [2021-08-12 21:21:04,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321509867] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:04,725 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:04,725 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-12 21:21:04,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363395285] [2021-08-12 21:21:04,726 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-12 21:21:04,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:04,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-12 21:21:04,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-08-12 21:21:04,727 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 162 [2021-08-12 21:21:04,728 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 247 transitions, 2072 flow. Second operand has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:04,728 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:04,728 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 162 [2021-08-12 21:21:04,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:05,472 INFO L129 PetriNetUnfolder]: 444/1314 cut-off events. [2021-08-12 21:21:05,473 INFO L130 PetriNetUnfolder]: For 3377/4347 co-relation queries the response was YES. [2021-08-12 21:21:05,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6065 conditions, 1314 events. 444/1314 cut-off events. For 3377/4347 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 7848 event pairs, 38 based on Foata normal form. 14/1296 useless extension candidates. Maximal degree in co-relation 4402. Up to 633 conditions per place. [2021-08-12 21:21:05,480 INFO L132 encePairwiseOnDemand]: 135/162 looper letters, 183 selfloop transitions, 37 changer transitions 53/325 dead transitions. [2021-08-12 21:21:05,480 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 325 transitions, 3398 flow [2021-08-12 21:21:05,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-12 21:21:05,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-08-12 21:21:05,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1371 transitions. [2021-08-12 21:21:05,483 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.47016460905349794 [2021-08-12 21:21:05,483 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1371 transitions. [2021-08-12 21:21:05,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1371 transitions. [2021-08-12 21:21:05,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:05,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1371 transitions. [2021-08-12 21:21:05,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 76.16666666666667) internal successors, (1371), 18 states have internal predecessors, (1371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:05,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 162.0) internal successors, (3078), 19 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) [2021-08-12 21:21:05,488 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 162.0) internal successors, (3078), 19 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) [2021-08-12 21:21:05,489 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 60 predicate places. [2021-08-12 21:21:05,489 INFO L482 AbstractCegarLoop]: Abstraction has has 208 places, 325 transitions, 3398 flow [2021-08-12 21:21:05,489 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:05,489 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:05,489 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] [2021-08-12 21:21:05,489 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-12 21:21:05,490 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]=== [2021-08-12 21:21:05,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:05,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1437855584, now seen corresponding path program 3 times [2021-08-12 21:21:05,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:05,490 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914089674] [2021-08-12 21:21:05,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:05,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:05,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:05,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:05,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:05,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:05,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 21:21:05,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:05,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 21:21:05,618 INFO L142 QuantifierPusher]: treesize reduction 25, result has 39.0 percent of original size [2021-08-12 21:21:05,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 21:21:05,625 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-08-12 21:21:05,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-12 21:21:05,634 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-08-12 21:21:05,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-12 21:21:05,644 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-08-12 21:21:05,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 21:21:05,652 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-08-12 21:21:05,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:21:05,661 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-08-12 21:21:05,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:05,673 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-12 21:21:05,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:21:05,681 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:05,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:05,691 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:05,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:05,692 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:21:05,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:05,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:05,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:05,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:05,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:05,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:05,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:05,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:05,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:05,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:05,727 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:05,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914089674] [2021-08-12 21:21:05,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914089674] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:05,727 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:05,727 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-12 21:21:05,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140554532] [2021-08-12 21:21:05,728 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-12 21:21:05,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:05,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-12 21:21:05,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-08-12 21:21:05,729 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 162 [2021-08-12 21:21:05,730 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 325 transitions, 3398 flow. Second operand has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:05,730 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:05,730 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 162 [2021-08-12 21:21:05,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:06,566 INFO L129 PetriNetUnfolder]: 445/1380 cut-off events. [2021-08-12 21:21:06,566 INFO L130 PetriNetUnfolder]: For 4517/7135 co-relation queries the response was YES. [2021-08-12 21:21:06,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7416 conditions, 1380 events. 445/1380 cut-off events. For 4517/7135 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 8320 event pairs, 38 based on Foata normal form. 44/1389 useless extension candidates. Maximal degree in co-relation 5142. Up to 656 conditions per place. [2021-08-12 21:21:06,576 INFO L132 encePairwiseOnDemand]: 134/162 looper letters, 209 selfloop transitions, 44 changer transitions 67/372 dead transitions. [2021-08-12 21:21:06,576 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 372 transitions, 4636 flow [2021-08-12 21:21:06,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-12 21:21:06,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-08-12 21:21:06,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1469 transitions. [2021-08-12 21:21:06,580 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.47725795971410007 [2021-08-12 21:21:06,580 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1469 transitions. [2021-08-12 21:21:06,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1469 transitions. [2021-08-12 21:21:06,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:06,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1469 transitions. [2021-08-12 21:21:06,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 77.3157894736842) internal successors, (1469), 19 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:06,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 162.0) internal successors, (3240), 20 states have internal predecessors, (3240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:06,587 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 162.0) internal successors, (3240), 20 states have internal predecessors, (3240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:06,587 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 78 predicate places. [2021-08-12 21:21:06,587 INFO L482 AbstractCegarLoop]: Abstraction has has 226 places, 372 transitions, 4636 flow [2021-08-12 21:21:06,587 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:06,588 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:06,588 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] [2021-08-12 21:21:06,588 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-12 21:21:06,588 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]=== [2021-08-12 21:21:06,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:06,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1174125180, now seen corresponding path program 4 times [2021-08-12 21:21:06,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:06,589 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372266215] [2021-08-12 21:21:06,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:06,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:06,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:06,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:06,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:06,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:06,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 21:21:06,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:06,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 21:21:06,731 INFO L142 QuantifierPusher]: treesize reduction 25, result has 39.0 percent of original size [2021-08-12 21:21:06,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 21:21:06,738 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-08-12 21:21:06,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-12 21:21:06,747 INFO L142 QuantifierPusher]: treesize reduction 10, result has 70.6 percent of original size [2021-08-12 21:21:06,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:21:06,759 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.0 percent of original size [2021-08-12 21:21:06,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 21:21:06,773 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.0 percent of original size [2021-08-12 21:21:06,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 21:21:06,788 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.0 percent of original size [2021-08-12 21:21:06,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:21:06,804 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.0 percent of original size [2021-08-12 21:21:06,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-08-12 21:21:06,829 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.9 percent of original size [2021-08-12 21:21:06,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-12 21:21:06,840 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.3 percent of original size [2021-08-12 21:21:06,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-12 21:21:06,857 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-08-12 21:21:06,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 21:21:06,871 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:06,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:06,881 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:06,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:06,882 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:21:06,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:06,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:06,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:06,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:06,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:06,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:06,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:06,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:06,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:06,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:06,919 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:06,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372266215] [2021-08-12 21:21:06,919 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372266215] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:06,919 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:06,919 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-12 21:21:06,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871361242] [2021-08-12 21:21:06,920 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-12 21:21:06,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:06,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-12 21:21:06,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2021-08-12 21:21:06,922 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-12 21:21:06,923 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 372 transitions, 4636 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:06,923 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:06,923 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-12 21:21:06,923 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:08,479 INFO L129 PetriNetUnfolder]: 951/2704 cut-off events. [2021-08-12 21:21:08,479 INFO L130 PetriNetUnfolder]: For 12601/23135 co-relation queries the response was YES. [2021-08-12 21:21:08,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16352 conditions, 2704 events. 951/2704 cut-off events. For 12601/23135 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 19919 event pairs, 64 based on Foata normal form. 42/2696 useless extension candidates. Maximal degree in co-relation 14923. Up to 1372 conditions per place. [2021-08-12 21:21:08,494 INFO L132 encePairwiseOnDemand]: 131/162 looper letters, 441 selfloop transitions, 89 changer transitions 81/660 dead transitions. [2021-08-12 21:21:08,494 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 660 transitions, 9964 flow [2021-08-12 21:21:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-12 21:21:08,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-08-12 21:21:08,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1492 transitions. [2021-08-12 21:21:08,496 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4604938271604938 [2021-08-12 21:21:08,496 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1492 transitions. [2021-08-12 21:21:08,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1492 transitions. [2021-08-12 21:21:08,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:08,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1492 transitions. [2021-08-12 21:21:08,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 74.6) internal successors, (1492), 20 states have internal predecessors, (1492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:08,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 162.0) internal successors, (3402), 21 states have internal predecessors, (3402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:08,503 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 162.0) internal successors, (3402), 21 states have internal predecessors, (3402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:08,503 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 97 predicate places. [2021-08-12 21:21:08,503 INFO L482 AbstractCegarLoop]: Abstraction has has 245 places, 660 transitions, 9964 flow [2021-08-12 21:21:08,503 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:08,503 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:08,503 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] [2021-08-12 21:21:08,503 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-12 21:21:08,503 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]=== [2021-08-12 21:21:08,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:08,504 INFO L82 PathProgramCache]: Analyzing trace with hash -250238292, now seen corresponding path program 5 times [2021-08-12 21:21:08,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:08,504 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184774302] [2021-08-12 21:21:08,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:08,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:08,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:08,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:08,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:08,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:08,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:08,628 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-12 21:21:08,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:08,635 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:08,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:08,643 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:21:08,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:08,655 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:21:08,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:21:08,670 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:21:08,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:21:08,685 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-08-12 21:21:08,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:21:08,702 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:21:08,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:08,717 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-08-12 21:21:08,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 21:21:08,737 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:21:08,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:21:08,747 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-08-12 21:21:08,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 21:21:08,761 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:08,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:08,772 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:08,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:08,773 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:21:08,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:08,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:08,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:08,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:08,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:08,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:08,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:08,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:08,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:08,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:08,812 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:08,812 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184774302] [2021-08-12 21:21:08,812 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184774302] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:08,812 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:08,812 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-12 21:21:08,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691489720] [2021-08-12 21:21:08,812 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-12 21:21:08,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:08,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-12 21:21:08,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-08-12 21:21:08,814 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-12 21:21:08,814 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 660 transitions, 9964 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:08,814 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:08,814 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-12 21:21:08,815 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:10,651 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-08-12 21:21:10,668 INFO L129 PetriNetUnfolder]: 950/2755 cut-off events. [2021-08-12 21:21:10,668 INFO L130 PetriNetUnfolder]: For 15182/30543 co-relation queries the response was YES. [2021-08-12 21:21:10,672 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18753 conditions, 2755 events. 950/2755 cut-off events. For 15182/30543 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 20349 event pairs, 68 based on Foata normal form. 146/2848 useless extension candidates. Maximal degree in co-relation 17104. Up to 1386 conditions per place. [2021-08-12 21:21:10,687 INFO L132 encePairwiseOnDemand]: 131/162 looper letters, 454 selfloop transitions, 101 changer transitions 95/699 dead transitions. [2021-08-12 21:21:10,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 699 transitions, 11914 flow [2021-08-12 21:21:10,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 21:21:10,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-12 21:21:10,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1564 transitions. [2021-08-12 21:21:10,690 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.45972957084068194 [2021-08-12 21:21:10,690 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1564 transitions. [2021-08-12 21:21:10,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1564 transitions. [2021-08-12 21:21:10,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:10,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1564 transitions. [2021-08-12 21:21:10,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.47619047619048) internal successors, (1564), 21 states have internal predecessors, (1564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:10,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:10,698 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:10,698 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 117 predicate places. [2021-08-12 21:21:10,698 INFO L482 AbstractCegarLoop]: Abstraction has has 265 places, 699 transitions, 11914 flow [2021-08-12 21:21:10,699 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:10,699 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:10,699 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] [2021-08-12 21:21:10,699 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-12 21:21:10,699 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]=== [2021-08-12 21:21:10,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:10,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1607585318, now seen corresponding path program 6 times [2021-08-12 21:21:10,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:10,700 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438166142] [2021-08-12 21:21:10,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:10,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:10,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:10,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:10,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:10,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:10,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:10,854 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-12 21:21:10,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:10,864 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:10,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:10,875 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:21:10,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:10,887 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:21:10,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:21:10,902 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:21:10,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:21:10,917 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-12 21:21:10,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:21:10,930 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:21:10,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:10,945 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-08-12 21:21:10,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 21:21:10,963 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:21:10,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:21:10,972 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-08-12 21:21:10,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 21:21:10,994 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:10,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:11,006 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:11,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:11,007 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:21:11,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:11,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:11,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:11,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:11,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:11,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:11,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:11,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:11,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:11,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:11,047 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:11,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438166142] [2021-08-12 21:21:11,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438166142] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:11,048 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:11,048 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-12 21:21:11,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648025443] [2021-08-12 21:21:11,048 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-12 21:21:11,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:11,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-12 21:21:11,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-08-12 21:21:11,050 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-12 21:21:11,051 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 699 transitions, 11914 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:11,051 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:11,051 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-12 21:21:11,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:12,761 INFO L129 PetriNetUnfolder]: 949/2818 cut-off events. [2021-08-12 21:21:12,761 INFO L130 PetriNetUnfolder]: For 18726/37465 co-relation queries the response was YES. [2021-08-12 21:21:12,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21248 conditions, 2818 events. 949/2818 cut-off events. For 18726/37465 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 20857 event pairs, 78 based on Foata normal form. 71/2826 useless extension candidates. Maximal degree in co-relation 18104. Up to 1400 conditions per place. [2021-08-12 21:21:12,783 INFO L132 encePairwiseOnDemand]: 133/162 looper letters, 491 selfloop transitions, 89 changer transitions 109/738 dead transitions. [2021-08-12 21:21:12,783 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 738 transitions, 14020 flow [2021-08-12 21:21:12,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 21:21:12,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-12 21:21:12,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1569 transitions. [2021-08-12 21:21:12,785 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.46119929453262787 [2021-08-12 21:21:12,785 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1569 transitions. [2021-08-12 21:21:12,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1569 transitions. [2021-08-12 21:21:12,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:12,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1569 transitions. [2021-08-12 21:21:12,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.71428571428571) internal successors, (1569), 21 states have internal predecessors, (1569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:12,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:12,791 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:12,791 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 137 predicate places. [2021-08-12 21:21:12,791 INFO L482 AbstractCegarLoop]: Abstraction has has 285 places, 738 transitions, 14020 flow [2021-08-12 21:21:12,791 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:12,792 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:12,792 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] [2021-08-12 21:21:12,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-12 21:21:12,792 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]=== [2021-08-12 21:21:12,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:12,792 INFO L82 PathProgramCache]: Analyzing trace with hash 679804848, now seen corresponding path program 7 times [2021-08-12 21:21:12,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:12,792 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572650882] [2021-08-12 21:21:12,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:12,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:12,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:12,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:12,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:12,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:12,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:12,911 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-12 21:21:12,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:12,918 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:12,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:12,928 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:21:12,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:12,942 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:21:12,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:21:12,956 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-12 21:21:12,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:21:12,969 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-12 21:21:12,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:21:12,985 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:21:12,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:13,001 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-08-12 21:21:13,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 21:21:13,019 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:21:13,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:21:13,029 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-08-12 21:21:13,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 21:21:13,044 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:13,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:13,057 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:13,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:13,058 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:21:13,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:13,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:13,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:13,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:13,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:13,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:13,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:13,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:13,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:13,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:13,100 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:13,100 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572650882] [2021-08-12 21:21:13,100 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572650882] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:13,100 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:13,100 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-12 21:21:13,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32898725] [2021-08-12 21:21:13,100 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-12 21:21:13,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:13,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-12 21:21:13,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-08-12 21:21:13,102 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-12 21:21:13,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 738 transitions, 14020 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:13,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:13,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-12 21:21:13,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:14,790 INFO L129 PetriNetUnfolder]: 1157/3604 cut-off events. [2021-08-12 21:21:14,790 INFO L130 PetriNetUnfolder]: For 28498/52048 co-relation queries the response was YES. [2021-08-12 21:21:14,795 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30156 conditions, 3604 events. 1157/3604 cut-off events. For 28498/52048 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 28960 event pairs, 78 based on Foata normal form. 64/3588 useless extension candidates. Maximal degree in co-relation 26647. Up to 1845 conditions per place. [2021-08-12 21:21:14,811 INFO L132 encePairwiseOnDemand]: 133/162 looper letters, 642 selfloop transitions, 116 changer transitions 151/958 dead transitions. [2021-08-12 21:21:14,811 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 958 transitions, 20482 flow [2021-08-12 21:21:14,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 21:21:14,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-12 21:21:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1564 transitions. [2021-08-12 21:21:14,813 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.45972957084068194 [2021-08-12 21:21:14,813 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1564 transitions. [2021-08-12 21:21:14,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1564 transitions. [2021-08-12 21:21:14,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:14,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1564 transitions. [2021-08-12 21:21:14,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.47619047619048) internal successors, (1564), 21 states have internal predecessors, (1564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:14,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:14,884 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:14,884 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 157 predicate places. [2021-08-12 21:21:14,884 INFO L482 AbstractCegarLoop]: Abstraction has has 305 places, 958 transitions, 20482 flow [2021-08-12 21:21:14,884 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:14,884 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:14,884 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] [2021-08-12 21:21:14,884 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-12 21:21:14,884 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]=== [2021-08-12 21:21:14,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:14,885 INFO L82 PathProgramCache]: Analyzing trace with hash -2070754300, now seen corresponding path program 8 times [2021-08-12 21:21:14,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:14,885 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022622921] [2021-08-12 21:21:14,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:15,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:15,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:15,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:15,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:15,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:15,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:15,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:15,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:15,022 INFO L142 QuantifierPusher]: treesize reduction 20, result has 52.4 percent of original size [2021-08-12 21:21:15,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-12 21:21:15,035 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:21:15,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:15,043 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:21:15,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:15,053 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-08-12 21:21:15,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:15,064 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-08-12 21:21:15,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:21:15,078 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.0 percent of original size [2021-08-12 21:21:15,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 21:21:15,087 INFO L142 QuantifierPusher]: treesize reduction 11, result has 62.1 percent of original size [2021-08-12 21:21:15,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-12 21:21:15,099 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:21:15,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:15,109 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:21:15,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:15,110 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:21:15,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:15,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:15,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:15,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:15,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:15,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:15,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:15,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:15,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:15,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:15,143 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:15,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022622921] [2021-08-12 21:21:15,143 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022622921] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:15,143 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:15,144 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-12 21:21:15,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547303599] [2021-08-12 21:21:15,144 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-12 21:21:15,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:15,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-12 21:21:15,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-08-12 21:21:15,146 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 162 [2021-08-12 21:21:15,147 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 958 transitions, 20482 flow. Second operand has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:15,147 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:15,147 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 162 [2021-08-12 21:21:15,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:16,804 INFO L129 PetriNetUnfolder]: 1723/5201 cut-off events. [2021-08-12 21:21:16,804 INFO L130 PetriNetUnfolder]: For 51098/86562 co-relation queries the response was YES. [2021-08-12 21:21:16,813 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47867 conditions, 5201 events. 1723/5201 cut-off events. For 51098/86562 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 46145 event pairs, 99 based on Foata normal form. 75/5183 useless extension candidates. Maximal degree in co-relation 37975. Up to 2850 conditions per place. [2021-08-12 21:21:16,847 INFO L132 encePairwiseOnDemand]: 131/162 looper letters, 876 selfloop transitions, 248 changer transitions 175/1372 dead transitions. [2021-08-12 21:21:16,847 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 1372 transitions, 32756 flow [2021-08-12 21:21:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-12 21:21:16,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-08-12 21:21:16,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1386 transitions. [2021-08-12 21:21:16,849 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.47530864197530864 [2021-08-12 21:21:16,849 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1386 transitions. [2021-08-12 21:21:16,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1386 transitions. [2021-08-12 21:21:16,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:16,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1386 transitions. [2021-08-12 21:21:16,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 77.0) internal successors, (1386), 18 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:16,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 162.0) internal successors, (3078), 19 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) [2021-08-12 21:21:16,854 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 162.0) internal successors, (3078), 19 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) [2021-08-12 21:21:16,854 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 174 predicate places. [2021-08-12 21:21:16,854 INFO L482 AbstractCegarLoop]: Abstraction has has 322 places, 1372 transitions, 32756 flow [2021-08-12 21:21:16,855 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:16,855 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:16,855 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] [2021-08-12 21:21:16,855 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-12 21:21:16,855 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]=== [2021-08-12 21:21:16,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:16,855 INFO L82 PathProgramCache]: Analyzing trace with hash 148673112, now seen corresponding path program 9 times [2021-08-12 21:21:16,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:16,856 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639766922] [2021-08-12 21:21:16,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:16,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:16,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:16,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:16,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:16,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:16,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:16,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:16,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:17,003 INFO L142 QuantifierPusher]: treesize reduction 22, result has 47.6 percent of original size [2021-08-12 21:21:17,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-12 21:21:17,018 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:21:17,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:17,029 INFO L142 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size [2021-08-12 21:21:17,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:17,043 INFO L142 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size [2021-08-12 21:21:17,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:17,058 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-08-12 21:21:17,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:21:17,075 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-08-12 21:21:17,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:21:17,099 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.0 percent of original size [2021-08-12 21:21:17,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-08-12 21:21:17,124 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.0 percent of original size [2021-08-12 21:21:17,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 21:21:17,144 INFO L142 QuantifierPusher]: treesize reduction 11, result has 62.1 percent of original size [2021-08-12 21:21:17,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-12 21:21:17,161 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:21:17,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:17,174 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:21:17,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:17,175 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:21:17,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:17,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:17,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:17,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:17,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:17,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:17,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:17,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:17,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:17,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:17,221 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:17,221 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639766922] [2021-08-12 21:21:17,221 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639766922] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:17,221 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:17,221 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-12 21:21:17,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296194064] [2021-08-12 21:21:17,221 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-12 21:21:17,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:17,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-12 21:21:17,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2021-08-12 21:21:17,223 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-12 21:21:17,224 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 1372 transitions, 32756 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:17,224 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:17,224 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-12 21:21:17,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:21,332 INFO L129 PetriNetUnfolder]: 2637/8103 cut-off events. [2021-08-12 21:21:21,332 INFO L130 PetriNetUnfolder]: For 96476/138685 co-relation queries the response was YES. [2021-08-12 21:21:21,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79264 conditions, 8103 events. 2637/8103 cut-off events. For 96476/138685 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 81998 event pairs, 97 based on Foata normal form. 444/8419 useless extension candidates. Maximal degree in co-relation 58244. Up to 4556 conditions per place. [2021-08-12 21:21:21,383 INFO L132 encePairwiseOnDemand]: 131/162 looper letters, 1528 selfloop transitions, 202 changer transitions 201/1980 dead transitions. [2021-08-12 21:21:21,383 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 1980 transitions, 51800 flow [2021-08-12 21:21:21,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-12 21:21:21,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-08-12 21:21:21,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1494 transitions. [2021-08-12 21:21:21,385 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.46111111111111114 [2021-08-12 21:21:21,385 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1494 transitions. [2021-08-12 21:21:21,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1494 transitions. [2021-08-12 21:21:21,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:21,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1494 transitions. [2021-08-12 21:21:21,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 74.7) internal successors, (1494), 20 states have internal predecessors, (1494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:21,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 162.0) internal successors, (3402), 21 states have internal predecessors, (3402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:21,390 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 162.0) internal successors, (3402), 21 states have internal predecessors, (3402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:21,390 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 193 predicate places. [2021-08-12 21:21:21,390 INFO L482 AbstractCegarLoop]: Abstraction has has 341 places, 1980 transitions, 51800 flow [2021-08-12 21:21:21,391 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:21,391 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:21,391 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] [2021-08-12 21:21:21,391 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-12 21:21:21,391 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]=== [2021-08-12 21:21:21,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:21,391 INFO L82 PathProgramCache]: Analyzing trace with hash 201815966, now seen corresponding path program 10 times [2021-08-12 21:21:21,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:21,391 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438503474] [2021-08-12 21:21:21,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:21,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:21,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:21,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:21,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:21,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:21,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:21,501 INFO L142 QuantifierPusher]: treesize reduction 17, result has 59.5 percent of original size [2021-08-12 21:21:21,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:21:21,516 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:21:21,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:21,525 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:21:21,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:21,537 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-08-12 21:21:21,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-12 21:21:21,550 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-12 21:21:21,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:21:21,564 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-12 21:21:21,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:21:21,580 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:21:21,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:21,597 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:21:21,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:21:21,616 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-12 21:21:21,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:21:21,632 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:21:21,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:21,646 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:21:21,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:21,647 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:21:21,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:21,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:21,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:21,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:21,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:21,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:21,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:21,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:21,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:21,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:21,832 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:21,832 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438503474] [2021-08-12 21:21:21,832 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438503474] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:21,832 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:21,832 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-12 21:21:21,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863202212] [2021-08-12 21:21:21,833 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-12 21:21:21,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:21,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-12 21:21:21,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-08-12 21:21:21,834 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-12 21:21:21,835 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 1980 transitions, 51800 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:21,835 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:21,835 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-12 21:21:21,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:29,373 INFO L129 PetriNetUnfolder]: 3050/9609 cut-off events. [2021-08-12 21:21:29,373 INFO L130 PetriNetUnfolder]: For 130979/174890 co-relation queries the response was YES. [2021-08-12 21:21:29,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100630 conditions, 9609 events. 3050/9609 cut-off events. For 130979/174890 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 101128 event pairs, 112 based on Foata normal form. 240/9703 useless extension candidates. Maximal degree in co-relation 72845. Up to 5404 conditions per place. [2021-08-12 21:21:29,444 INFO L132 encePairwiseOnDemand]: 133/162 looper letters, 1909 selfloop transitions, 203 changer transitions 247/2408 dead transitions. [2021-08-12 21:21:29,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 2408 transitions, 68138 flow [2021-08-12 21:21:29,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 21:21:29,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-12 21:21:29,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1566 transitions. [2021-08-12 21:21:29,458 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4603174603174603 [2021-08-12 21:21:29,458 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1566 transitions. [2021-08-12 21:21:29,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1566 transitions. [2021-08-12 21:21:29,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:29,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1566 transitions. [2021-08-12 21:21:29,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.57142857142857) internal successors, (1566), 21 states have internal predecessors, (1566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:29,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:29,463 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:29,463 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 213 predicate places. [2021-08-12 21:21:29,463 INFO L482 AbstractCegarLoop]: Abstraction has has 361 places, 2408 transitions, 68138 flow [2021-08-12 21:21:29,464 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:29,464 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:29,464 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] [2021-08-12 21:21:29,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-12 21:21:29,464 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]=== [2021-08-12 21:21:29,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:29,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1361577166, now seen corresponding path program 11 times [2021-08-12 21:21:29,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:29,465 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701454358] [2021-08-12 21:21:29,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:29,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:29,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:29,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:29,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:29,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:29,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:29,630 INFO L142 QuantifierPusher]: treesize reduction 34, result has 42.4 percent of original size [2021-08-12 21:21:29,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:21:29,644 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:21:29,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:29,652 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:21:29,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:29,664 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:21:29,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:29,678 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-08-12 21:21:29,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:29,693 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-08-12 21:21:29,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 21:21:29,711 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.6 percent of original size [2021-08-12 21:21:29,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:21:29,722 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:21:29,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:21:29,738 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-08-12 21:21:29,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-08-12 21:21:29,764 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-08-12 21:21:29,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-12 21:21:29,787 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.9 percent of original size [2021-08-12 21:21:29,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-12 21:21:29,811 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-08-12 21:21:29,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-08-12 21:21:29,833 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:21:29,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:29,846 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:21:29,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:29,847 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:21:29,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:29,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:29,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:29,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:29,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:29,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:29,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:29,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:29,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:29,888 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:29,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701454358] [2021-08-12 21:21:29,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701454358] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:29,888 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:29,888 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-08-12 21:21:29,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623660235] [2021-08-12 21:21:29,888 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 21:21:29,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:29,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 21:21:29,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2021-08-12 21:21:29,890 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-12 21:21:29,891 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 2408 transitions, 68138 flow. Second operand has 20 states, 20 states have (on average 67.95) internal successors, (1359), 20 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:29,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:29,891 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-12 21:21:29,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:42,086 INFO L129 PetriNetUnfolder]: 3481/11091 cut-off events. [2021-08-12 21:21:42,086 INFO L130 PetriNetUnfolder]: For 173426/272499 co-relation queries the response was YES. [2021-08-12 21:21:42,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124257 conditions, 11091 events. 3481/11091 cut-off events. For 173426/272499 co-relation queries the response was YES. Maximal size of possible extension queue 610. Compared 120826 event pairs, 100 based on Foata normal form. 925/11854 useless extension candidates. Maximal degree in co-relation 90472. Up to 6299 conditions per place. [2021-08-12 21:21:42,158 INFO L132 encePairwiseOnDemand]: 130/162 looper letters, 2036 selfloop transitions, 444 changer transitions 309/2838 dead transitions. [2021-08-12 21:21:42,158 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 2838 transitions, 86310 flow [2021-08-12 21:21:42,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-12 21:21:42,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-08-12 21:21:42,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 1906 transitions. [2021-08-12 21:21:42,179 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.45251661918328584 [2021-08-12 21:21:42,179 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 1906 transitions. [2021-08-12 21:21:42,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 1906 transitions. [2021-08-12 21:21:42,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:42,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 1906 transitions. [2021-08-12 21:21:42,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 73.3076923076923) internal successors, (1906), 26 states have internal predecessors, (1906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:42,192 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 162.0) internal successors, (4374), 27 states have internal predecessors, (4374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:42,192 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 162.0) internal successors, (4374), 27 states have internal predecessors, (4374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:42,193 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 238 predicate places. [2021-08-12 21:21:42,193 INFO L482 AbstractCegarLoop]: Abstraction has has 386 places, 2838 transitions, 86310 flow [2021-08-12 21:21:42,193 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 67.95) internal successors, (1359), 20 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:42,193 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:42,193 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:21:42,193 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-12 21:21:42,193 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]=== [2021-08-12 21:21:42,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:42,194 INFO L82 PathProgramCache]: Analyzing trace with hash 697010812, now seen corresponding path program 12 times [2021-08-12 21:21:42,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:42,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567967006] [2021-08-12 21:21:42,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:42,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:42,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:42,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:42,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:42,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:42,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:42,428 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-12 21:21:42,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:42,449 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:42,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:42,457 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:42,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:42,466 INFO L142 QuantifierPusher]: treesize reduction 13, result has 53.6 percent of original size [2021-08-12 21:21:42,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:42,487 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-08-12 21:21:42,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:21:42,495 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-08-12 21:21:42,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:42,506 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-12 21:21:42,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:21:42,513 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:42,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:42,532 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:42,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:42,533 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:21:42,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:42,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:42,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:42,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:42,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:42,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:42,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:42,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:42,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:42,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:42,567 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:42,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567967006] [2021-08-12 21:21:42,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567967006] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:42,567 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:42,567 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-12 21:21:42,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476114858] [2021-08-12 21:21:42,568 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-12 21:21:42,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:42,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-12 21:21:42,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-08-12 21:21:42,569 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 162 [2021-08-12 21:21:42,569 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 2838 transitions, 86310 flow. Second operand has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:42,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:42,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 162 [2021-08-12 21:21:42,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:55,222 INFO L129 PetriNetUnfolder]: 3532/11535 cut-off events. [2021-08-12 21:21:55,222 INFO L130 PetriNetUnfolder]: For 201528/323847 co-relation queries the response was YES. [2021-08-12 21:21:55,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136784 conditions, 11535 events. 3532/11535 cut-off events. For 201528/323847 co-relation queries the response was YES. Maximal size of possible extension queue 623. Compared 128075 event pairs, 100 based on Foata normal form. 558/11921 useless extension candidates. Maximal degree in co-relation 97406. Up to 6523 conditions per place. [2021-08-12 21:21:55,292 INFO L132 encePairwiseOnDemand]: 131/162 looper letters, 2053 selfloop transitions, 591 changer transitions 323/3054 dead transitions. [2021-08-12 21:21:55,292 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 3054 transitions, 98936 flow [2021-08-12 21:21:55,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-12 21:21:55,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-08-12 21:21:55,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1481 transitions. [2021-08-12 21:21:55,294 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4811565951916829 [2021-08-12 21:21:55,294 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1481 transitions. [2021-08-12 21:21:55,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1481 transitions. [2021-08-12 21:21:55,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:55,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1481 transitions. [2021-08-12 21:21:55,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 77.94736842105263) internal successors, (1481), 19 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:55,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 162.0) internal successors, (3240), 20 states have internal predecessors, (3240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:55,298 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 162.0) internal successors, (3240), 20 states have internal predecessors, (3240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:55,299 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 256 predicate places. [2021-08-12 21:21:55,299 INFO L482 AbstractCegarLoop]: Abstraction has has 404 places, 3054 transitions, 98936 flow [2021-08-12 21:21:55,299 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:55,299 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:55,299 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] [2021-08-12 21:21:55,299 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-12 21:21:55,299 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]=== [2021-08-12 21:21:55,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:55,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1405524628, now seen corresponding path program 13 times [2021-08-12 21:21:55,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:55,300 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445742966] [2021-08-12 21:21:55,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:55,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:55,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:55,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:55,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:55,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:55,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:55,395 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-12 21:21:55,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:55,402 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:55,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:55,410 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:21:55,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:55,422 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:21:55,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:55,436 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:21:55,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:21:55,452 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-08-12 21:21:55,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:21:55,468 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:21:55,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:55,481 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:21:55,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:21:55,498 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-12 21:21:55,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:21:55,512 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:55,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:55,523 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:55,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:55,524 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:21:55,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:55,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:55,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:55,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:55,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:55,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:55,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:55,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:55,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:55,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:55,563 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:55,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445742966] [2021-08-12 21:21:55,564 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445742966] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:55,564 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:55,564 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-12 21:21:55,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192889760] [2021-08-12 21:21:55,564 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-12 21:21:55,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:55,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-12 21:21:55,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-08-12 21:21:55,566 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-12 21:21:55,566 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 3054 transitions, 98936 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:55,566 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:55,566 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-12 21:21:55,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:22:08,231 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2021-08-12 21:22:09,619 INFO L129 PetriNetUnfolder]: 3530/11629 cut-off events. [2021-08-12 21:22:09,620 INFO L130 PetriNetUnfolder]: For 225522/298031 co-relation queries the response was YES. [2021-08-12 21:22:09,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146123 conditions, 11629 events. 3530/11629 cut-off events. For 225522/298031 co-relation queries the response was YES. Maximal size of possible extension queue 623. Compared 129008 event pairs, 111 based on Foata normal form. 908/12380 useless extension candidates. Maximal degree in co-relation 107803. Up to 6544 conditions per place. [2021-08-12 21:22:09,699 INFO L132 encePairwiseOnDemand]: 131/162 looper letters, 2337 selfloop transitions, 384 changer transitions 349/3119 dead transitions. [2021-08-12 21:22:09,699 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 3119 transitions, 107218 flow [2021-08-12 21:22:09,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 21:22:09,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-12 21:22:09,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1566 transitions. [2021-08-12 21:22:09,701 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4603174603174603 [2021-08-12 21:22:09,701 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1566 transitions. [2021-08-12 21:22:09,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1566 transitions. [2021-08-12 21:22:09,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:22:09,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1566 transitions. [2021-08-12 21:22:09,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.57142857142857) internal successors, (1566), 21 states have internal predecessors, (1566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:09,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:09,706 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:09,706 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 276 predicate places. [2021-08-12 21:22:09,706 INFO L482 AbstractCegarLoop]: Abstraction has has 424 places, 3119 transitions, 107218 flow [2021-08-12 21:22:09,706 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:09,706 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:22:09,706 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] [2021-08-12 21:22:09,706 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-12 21:22:09,707 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]=== [2021-08-12 21:22:09,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:22:09,707 INFO L82 PathProgramCache]: Analyzing trace with hash -67786626, now seen corresponding path program 14 times [2021-08-12 21:22:09,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:22:09,707 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561950372] [2021-08-12 21:22:09,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:22:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:22:09,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:09,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:22:09,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:09,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:22:09,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:09,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:22:09,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:09,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:22:09,812 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-12 21:22:09,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:22:09,819 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:22:09,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:22:09,828 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:22:09,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:22:09,839 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:22:09,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:22:09,853 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:22:09,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:22:09,868 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-08-12 21:22:09,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:22:09,885 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.4 percent of original size [2021-08-12 21:22:09,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-08-12 21:22:09,906 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.9 percent of original size [2021-08-12 21:22:09,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 21:22:09,921 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-08-12 21:22:09,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-12 21:22:09,935 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:22:09,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:22:09,944 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:22:09,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:22:09,945 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:22:09,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:22:09,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:09,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:22:09,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:09,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:22:09,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:09,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:22:09,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:09,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:22:09,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:22:09,978 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:22:09,978 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561950372] [2021-08-12 21:22:09,978 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561950372] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:22:09,978 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:22:09,979 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-12 21:22:09,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098745481] [2021-08-12 21:22:09,979 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-12 21:22:09,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:22:09,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-12 21:22:09,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2021-08-12 21:22:09,980 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-12 21:22:09,981 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 3119 transitions, 107218 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:09,981 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:22:09,981 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-12 21:22:09,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:22:24,680 INFO L129 PetriNetUnfolder]: 3542/11805 cut-off events. [2021-08-12 21:22:24,680 INFO L130 PetriNetUnfolder]: For 258086/329240 co-relation queries the response was YES. [2021-08-12 21:22:24,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156445 conditions, 11805 events. 3542/11805 cut-off events. For 258086/329240 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 131774 event pairs, 122 based on Foata normal form. 683/12327 useless extension candidates. Maximal degree in co-relation 115923. Up to 6607 conditions per place. [2021-08-12 21:22:24,761 INFO L132 encePairwiseOnDemand]: 131/162 looper letters, 2475 selfloop transitions, 332 changer transitions 375/3231 dead transitions. [2021-08-12 21:22:24,762 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 3231 transitions, 117490 flow [2021-08-12 21:22:24,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-12 21:22:24,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-08-12 21:22:24,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1499 transitions. [2021-08-12 21:22:24,763 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4626543209876543 [2021-08-12 21:22:24,763 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1499 transitions. [2021-08-12 21:22:24,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1499 transitions. [2021-08-12 21:22:24,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:22:24,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1499 transitions. [2021-08-12 21:22:24,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 74.95) internal successors, (1499), 20 states have internal predecessors, (1499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:24,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 162.0) internal successors, (3402), 21 states have internal predecessors, (3402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:24,768 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 162.0) internal successors, (3402), 21 states have internal predecessors, (3402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:24,768 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 295 predicate places. [2021-08-12 21:22:24,768 INFO L482 AbstractCegarLoop]: Abstraction has has 443 places, 3231 transitions, 117490 flow [2021-08-12 21:22:24,768 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:24,768 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:22:24,768 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] [2021-08-12 21:22:24,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-12 21:22:24,768 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]=== [2021-08-12 21:22:24,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:22:24,769 INFO L82 PathProgramCache]: Analyzing trace with hash -2050144090, now seen corresponding path program 1 times [2021-08-12 21:22:24,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:22:24,769 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387227806] [2021-08-12 21:22:24,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:22:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:22:24,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:24,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:22:24,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:24,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:22:24,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:24,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:22:24,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:24,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:22:24,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:24,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-12 21:22:24,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:24,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:22:24,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:24,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:22:24,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:24,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:22:24,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:24,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 21:22:24,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:24,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 21:22:24,911 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 21:22:24,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-08-12 21:22:24,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:24,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:22:24,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:22:24,964 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:22:24,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387227806] [2021-08-12 21:22:24,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387227806] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:22:24,965 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:22:24,965 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-12 21:22:24,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895365142] [2021-08-12 21:22:24,965 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 21:22:24,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:22:24,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 21:22:24,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-08-12 21:22:24,966 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 162 [2021-08-12 21:22:24,967 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 3231 transitions, 117490 flow. Second operand has 11 states, 11 states have (on average 104.72727272727273) internal successors, (1152), 11 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:24,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:22:24,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 162 [2021-08-12 21:22:24,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:22:46,202 INFO L129 PetriNetUnfolder]: 5231/16039 cut-off events. [2021-08-12 21:22:46,202 INFO L130 PetriNetUnfolder]: For 394243/410548 co-relation queries the response was YES. [2021-08-12 21:22:46,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 213195 conditions, 16039 events. 5231/16039 cut-off events. For 394243/410548 co-relation queries the response was YES. Maximal size of possible extension queue 911. Compared 184509 event pairs, 658 based on Foata normal form. 209/16042 useless extension candidates. Maximal degree in co-relation 177431. Up to 8871 conditions per place. [2021-08-12 21:22:46,337 INFO L132 encePairwiseOnDemand]: 146/162 looper letters, 2639 selfloop transitions, 320 changer transitions 375/4016 dead transitions. [2021-08-12 21:22:46,337 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 4016 transitions, 153216 flow [2021-08-12 21:22:46,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-12 21:22:46,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-08-12 21:22:46,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1598 transitions. [2021-08-12 21:22:46,339 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6576131687242799 [2021-08-12 21:22:46,339 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1598 transitions. [2021-08-12 21:22:46,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1598 transitions. [2021-08-12 21:22:46,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:22:46,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1598 transitions. [2021-08-12 21:22:46,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 106.53333333333333) internal successors, (1598), 15 states have internal predecessors, (1598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:46,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 162.0) internal successors, (2592), 16 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:46,344 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 162.0) internal successors, (2592), 16 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:46,344 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 309 predicate places. [2021-08-12 21:22:46,344 INFO L482 AbstractCegarLoop]: Abstraction has has 457 places, 4016 transitions, 153216 flow [2021-08-12 21:22:46,344 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 104.72727272727273) internal successors, (1152), 11 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:46,344 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:22:46,345 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] [2021-08-12 21:22:46,345 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-12 21:22:46,345 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]=== [2021-08-12 21:22:46,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:22:46,345 INFO L82 PathProgramCache]: Analyzing trace with hash 938181716, now seen corresponding path program 2 times [2021-08-12 21:22:46,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:22:46,345 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580400141] [2021-08-12 21:22:46,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:22:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:22:46,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:46,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:22:46,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:46,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:22:46,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:46,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:22:46,504 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-08-12 21:22:46,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 21:22:46,509 INFO L142 QuantifierPusher]: treesize reduction 12, result has 53.8 percent of original size [2021-08-12 21:22:46,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:22:46,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:46,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:22:46,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:46,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:22:46,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:46,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-12 21:22:46,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:46,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:22:46,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:46,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:22:46,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:46,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:22:46,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:46,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 21:22:46,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:46,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-12 21:22:46,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:46,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-12 21:22:46,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:46,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-08-12 21:22:46,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:46,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-08-12 21:22:46,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:46,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:22:46,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:46,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-08-12 21:22:46,727 INFO L142 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-08-12 21:22:46,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-08-12 21:22:46,803 INFO L142 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-08-12 21:22:46,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-08-12 21:22:46,868 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-08-12 21:22:46,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-12 21:22:46,892 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-08-12 21:22:46,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 21:22:46,920 INFO L142 QuantifierPusher]: treesize reduction 66, result has 79.5 percent of original size [2021-08-12 21:22:46,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-08-12 21:22:46,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:46,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:22:46,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:22:46,974 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:22:46,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580400141] [2021-08-12 21:22:46,974 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580400141] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:22:46,974 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:22:46,974 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-08-12 21:22:46,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134631779] [2021-08-12 21:22:46,974 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-08-12 21:22:46,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:22:46,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-12 21:22:46,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2021-08-12 21:22:46,976 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 162 [2021-08-12 21:22:46,976 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 4016 transitions, 153216 flow. Second operand has 21 states, 21 states have (on average 88.61904761904762) internal successors, (1861), 21 states have internal predecessors, (1861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:46,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:22:46,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 162 [2021-08-12 21:22:46,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:23:23,626 INFO L129 PetriNetUnfolder]: 5472/16871 cut-off events. [2021-08-12 21:23:23,627 INFO L130 PetriNetUnfolder]: For 440182/473967 co-relation queries the response was YES. [2021-08-12 21:23:23,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 233685 conditions, 16871 events. 5472/16871 cut-off events. For 440182/473967 co-relation queries the response was YES. Maximal size of possible extension queue 942. Compared 194887 event pairs, 517 based on Foata normal form. 295/16986 useless extension candidates. Maximal degree in co-relation 156120. Up to 9997 conditions per place. [2021-08-12 21:23:23,761 INFO L132 encePairwiseOnDemand]: 130/162 looper letters, 3083 selfloop transitions, 577 changer transitions 441/4614 dead transitions. [2021-08-12 21:23:23,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 4614 transitions, 182788 flow [2021-08-12 21:23:23,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-12 21:23:23,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-08-12 21:23:23,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 3074 transitions. [2021-08-12 21:23:23,764 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5750093527871306 [2021-08-12 21:23:23,764 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 3074 transitions. [2021-08-12 21:23:23,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 3074 transitions. [2021-08-12 21:23:23,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:23:23,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 3074 transitions. [2021-08-12 21:23:23,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 93.15151515151516) internal successors, (3074), 33 states have internal predecessors, (3074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:23:23,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 162.0) internal successors, (5508), 34 states have internal predecessors, (5508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:23:23,771 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 162.0) internal successors, (5508), 34 states have internal predecessors, (5508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:23:23,771 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 341 predicate places. [2021-08-12 21:23:23,771 INFO L482 AbstractCegarLoop]: Abstraction has has 489 places, 4614 transitions, 182788 flow [2021-08-12 21:23:23,771 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 88.61904761904762) internal successors, (1861), 21 states have internal predecessors, (1861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:23:23,771 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:23:23,771 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] [2021-08-12 21:23:23,771 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-12 21:23:23,771 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]=== [2021-08-12 21:23:23,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:23:23,772 INFO L82 PathProgramCache]: Analyzing trace with hash 689457032, now seen corresponding path program 15 times [2021-08-12 21:23:23,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:23:23,772 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796161911] [2021-08-12 21:23:23,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:23:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:23:23,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:23:23,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:23:23,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:23:23,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:23:23,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:23:23,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:23:23,877 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-12 21:23:23,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:23:23,884 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:23:23,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:23:23,892 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:23:23,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:23:23,904 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:23:23,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:23:23,919 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:23:23,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:23:23,934 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-08-12 21:23:23,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:23:23,951 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:23:23,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:23:23,966 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:23:23,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:23:23,984 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-12 21:23:23,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:23:23,998 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:23:23,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:23:24,010 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:23:24,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:23:24,011 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:23:24,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:23:24,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:23:24,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:23:24,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:23:24,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:23:24,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:23:24,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:23:24,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:23:24,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:23:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:23:24,050 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:23:24,050 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796161911] [2021-08-12 21:23:24,050 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796161911] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:23:24,050 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:23:24,050 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-12 21:23:24,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471746108] [2021-08-12 21:23:24,050 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-12 21:23:24,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:23:24,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-12 21:23:24,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2021-08-12 21:23:24,052 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-12 21:23:24,053 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 4614 transitions, 182788 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:23:24,053 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:23:24,053 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-12 21:23:24,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:24:08,322 INFO L129 PetriNetUnfolder]: 5471/16925 cut-off events. [2021-08-12 21:24:08,322 INFO L130 PetriNetUnfolder]: For 482582/518731 co-relation queries the response was YES. [2021-08-12 21:24:08,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 245818 conditions, 16925 events. 5471/16925 cut-off events. For 482582/518731 co-relation queries the response was YES. Maximal size of possible extension queue 940. Compared 195600 event pairs, 508 based on Foata normal form. 302/17048 useless extension candidates. Maximal degree in co-relation 163646. Up to 9997 conditions per place. [2021-08-12 21:24:08,595 INFO L132 encePairwiseOnDemand]: 131/162 looper letters, 3702 selfloop transitions, 437 changer transitions 457/4668 dead transitions. [2021-08-12 21:24:08,595 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 4668 transitions, 194026 flow [2021-08-12 21:24:08,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 21:24:08,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-12 21:24:08,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1571 transitions. [2021-08-12 21:24:08,597 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4617871840094062 [2021-08-12 21:24:08,597 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1571 transitions. [2021-08-12 21:24:08,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1571 transitions. [2021-08-12 21:24:08,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:24:08,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1571 transitions. [2021-08-12 21:24:08,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.80952380952381) internal successors, (1571), 21 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:24:08,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:24:08,601 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:24:08,601 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 361 predicate places. [2021-08-12 21:24:08,601 INFO L482 AbstractCegarLoop]: Abstraction has has 509 places, 4668 transitions, 194026 flow [2021-08-12 21:24:08,602 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:24:08,602 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:24:08,602 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] [2021-08-12 21:24:08,602 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-12 21:24:08,602 INFO L430 AbstractCegarLoop]: === Iteration 23 === [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]=== [2021-08-12 21:24:08,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:24:08,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1049337124, now seen corresponding path program 16 times [2021-08-12 21:24:08,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:24:08,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400765874] [2021-08-12 21:24:08,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:24:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:24:08,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:08,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:24:08,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:08,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:24:08,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:08,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:24:08,706 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-12 21:24:08,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:24:08,712 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:24:08,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:24:08,720 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:24:08,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:24:08,732 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:24:08,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:24:08,745 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:24:08,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:24:08,760 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-12 21:24:08,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:24:08,774 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:24:08,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:24:08,790 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:24:08,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:24:08,808 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-12 21:24:08,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:24:08,823 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:24:08,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:24:08,835 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:24:08,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:24:08,836 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:24:08,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:24:08,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:08,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:24:08,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:08,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:24:08,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:08,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:24:08,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:08,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:24:08,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:24:08,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:24:08,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400765874] [2021-08-12 21:24:08,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400765874] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:24:08,877 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:24:08,877 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-12 21:24:08,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360547964] [2021-08-12 21:24:08,877 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-12 21:24:08,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:24:08,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-12 21:24:08,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-08-12 21:24:08,879 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-12 21:24:08,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 4668 transitions, 194026 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:24:08,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:24:08,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-12 21:24:08,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:24:53,654 INFO L129 PetriNetUnfolder]: 5470/16979 cut-off events. [2021-08-12 21:24:53,654 INFO L130 PetriNetUnfolder]: For 539109/577882 co-relation queries the response was YES. [2021-08-12 21:24:53,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 258127 conditions, 16979 events. 5470/16979 cut-off events. For 539109/577882 co-relation queries the response was YES. Maximal size of possible extension queue 940. Compared 196166 event pairs, 534 based on Foata normal form. 217/17014 useless extension candidates. Maximal degree in co-relation 171208. Up to 9997 conditions per place. [2021-08-12 21:24:53,787 INFO L132 encePairwiseOnDemand]: 133/162 looper letters, 3818 selfloop transitions, 359 changer transitions 473/4722 dead transitions. [2021-08-12 21:24:53,787 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 4722 transitions, 205480 flow [2021-08-12 21:24:53,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 21:24:53,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-12 21:24:53,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1571 transitions. [2021-08-12 21:24:53,789 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4617871840094062 [2021-08-12 21:24:53,789 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1571 transitions. [2021-08-12 21:24:53,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1571 transitions. [2021-08-12 21:24:53,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:24:53,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1571 transitions. [2021-08-12 21:24:53,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.80952380952381) internal successors, (1571), 21 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:24:53,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:24:53,793 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:24:53,793 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 381 predicate places. [2021-08-12 21:24:53,794 INFO L482 AbstractCegarLoop]: Abstraction has has 529 places, 4722 transitions, 205480 flow [2021-08-12 21:24:53,794 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:24:53,794 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:24:53,794 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] [2021-08-12 21:24:53,794 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-12 21:24:53,794 INFO L430 AbstractCegarLoop]: === Iteration 24 === [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]=== [2021-08-12 21:24:53,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:24:53,794 INFO L82 PathProgramCache]: Analyzing trace with hash 2116554668, now seen corresponding path program 17 times [2021-08-12 21:24:53,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:24:53,795 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437431023] [2021-08-12 21:24:53,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:24:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:24:53,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:53,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:24:53,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:53,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:24:53,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:53,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:24:53,884 INFO L142 QuantifierPusher]: treesize reduction 17, result has 59.5 percent of original size [2021-08-12 21:24:53,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:24:53,898 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:24:53,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:24:53,906 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:24:53,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:24:53,915 INFO L142 QuantifierPusher]: treesize reduction 10, result has 61.5 percent of original size [2021-08-12 21:24:53,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 21:24:53,924 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-08-12 21:24:53,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:24:53,934 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-08-12 21:24:53,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:24:53,947 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-12 21:24:53,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:24:53,955 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:24:53,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:24:53,966 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:24:53,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:24:53,967 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:24:53,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:24:53,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:53,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:24:53,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:53,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:24:53,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:53,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:24:54,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:54,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:24:54,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:24:54,004 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:24:54,004 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437431023] [2021-08-12 21:24:54,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437431023] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:24:54,004 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:24:54,004 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-12 21:24:54,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937205682] [2021-08-12 21:24:54,005 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-12 21:24:54,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:24:54,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-12 21:24:54,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-08-12 21:24:54,006 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 162 [2021-08-12 21:24:54,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 4722 transitions, 205480 flow. Second operand has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:24:54,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:24:54,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 162 [2021-08-12 21:24:54,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:25:36,720 INFO L129 PetriNetUnfolder]: 5508/17286 cut-off events. [2021-08-12 21:25:36,721 INFO L130 PetriNetUnfolder]: For 611862/693762 co-relation queries the response was YES. [2021-08-12 21:25:36,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 273267 conditions, 17286 events. 5508/17286 cut-off events. For 611862/693762 co-relation queries the response was YES. Maximal size of possible extension queue 940. Compared 201053 event pairs, 529 based on Foata normal form. 107/17203 useless extension candidates. Maximal degree in co-relation 180487. Up to 10167 conditions per place. [2021-08-12 21:25:36,899 INFO L132 encePairwiseOnDemand]: 134/162 looper letters, 3654 selfloop transitions, 539 changer transitions 483/4853 dead transitions. [2021-08-12 21:25:36,899 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 4853 transitions, 220476 flow [2021-08-12 21:25:36,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-12 21:25:36,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-08-12 21:25:36,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1470 transitions. [2021-08-12 21:25:36,902 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4775828460038986 [2021-08-12 21:25:36,902 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1470 transitions. [2021-08-12 21:25:36,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1470 transitions. [2021-08-12 21:25:36,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:25:36,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1470 transitions. [2021-08-12 21:25:36,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 77.36842105263158) internal successors, (1470), 19 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:25:36,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 162.0) internal successors, (3240), 20 states have internal predecessors, (3240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:25:36,906 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 162.0) internal successors, (3240), 20 states have internal predecessors, (3240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:25:36,906 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 399 predicate places. [2021-08-12 21:25:36,906 INFO L482 AbstractCegarLoop]: Abstraction has has 547 places, 4853 transitions, 220476 flow [2021-08-12 21:25:36,907 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:25:36,907 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:25:36,907 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] [2021-08-12 21:25:36,907 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-12 21:25:36,907 INFO L430 AbstractCegarLoop]: === Iteration 25 === [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]=== [2021-08-12 21:25:36,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:25:36,907 INFO L82 PathProgramCache]: Analyzing trace with hash -974196854, now seen corresponding path program 18 times [2021-08-12 21:25:36,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:25:36,908 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072482622] [2021-08-12 21:25:36,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:25:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:25:37,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:25:37,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:25:37,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:25:37,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:25:37,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:25:37,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:25:37,025 INFO L142 QuantifierPusher]: treesize reduction 22, result has 47.6 percent of original size [2021-08-12 21:25:37,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-12 21:25:37,041 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:25:37,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:25:37,052 INFO L142 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size [2021-08-12 21:25:37,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:25:37,065 INFO L142 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size [2021-08-12 21:25:37,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:25:37,080 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-08-12 21:25:37,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:25:37,097 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-08-12 21:25:37,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:25:37,110 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-08-12 21:25:37,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:25:37,125 INFO L142 QuantifierPusher]: treesize reduction 18, result has 68.4 percent of original size [2021-08-12 21:25:37,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:25:37,145 INFO L142 QuantifierPusher]: treesize reduction 16, result has 65.2 percent of original size [2021-08-12 21:25:37,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:25:37,162 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:25:37,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:25:37,175 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:25:37,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:25:37,176 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:25:37,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:25:37,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:25:37,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:25:37,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:25:37,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:25:37,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:25:37,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:25:37,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:25:37,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:25:37,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:25:37,220 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:25:37,220 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072482622] [2021-08-12 21:25:37,220 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072482622] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:25:37,220 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:25:37,220 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-12 21:25:37,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15452154] [2021-08-12 21:25:37,221 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-12 21:25:37,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:25:37,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-12 21:25:37,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-08-12 21:25:37,222 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-12 21:25:37,223 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 4853 transitions, 220476 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:25:37,223 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:25:37,223 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-12 21:25:37,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:26:20,719 INFO L129 PetriNetUnfolder]: 5505/17372 cut-off events. [2021-08-12 21:26:20,720 INFO L130 PetriNetUnfolder]: For 667967/747070 co-relation queries the response was YES. [2021-08-12 21:26:20,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 285853 conditions, 17372 events. 5505/17372 cut-off events. For 667967/747070 co-relation queries the response was YES. Maximal size of possible extension queue 942. Compared 202239 event pairs, 525 based on Foata normal form. 215/17394 useless extension candidates. Maximal degree in co-relation 188095. Up to 10166 conditions per place. [2021-08-12 21:26:20,859 INFO L132 encePairwiseOnDemand]: 133/162 looper letters, 3885 selfloop transitions, 451 changer transitions 499/4907 dead transitions. [2021-08-12 21:26:20,860 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 4907 transitions, 232480 flow [2021-08-12 21:26:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 21:26:20,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-12 21:26:20,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1566 transitions. [2021-08-12 21:26:20,861 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4603174603174603 [2021-08-12 21:26:20,861 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1566 transitions. [2021-08-12 21:26:20,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1566 transitions. [2021-08-12 21:26:20,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:26:20,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1566 transitions. [2021-08-12 21:26:20,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.57142857142857) internal successors, (1566), 21 states have internal predecessors, (1566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:26:20,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:26:20,865 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:26:20,865 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 419 predicate places. [2021-08-12 21:26:20,865 INFO L482 AbstractCegarLoop]: Abstraction has has 567 places, 4907 transitions, 232480 flow [2021-08-12 21:26:20,865 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:26:20,865 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:26:20,865 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] [2021-08-12 21:26:20,866 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-08-12 21:26:20,866 INFO L430 AbstractCegarLoop]: === Iteration 26 === [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]=== [2021-08-12 21:26:20,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:26:20,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1449013960, now seen corresponding path program 19 times [2021-08-12 21:26:20,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:26:20,866 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628172367] [2021-08-12 21:26:20,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:26:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:26:20,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:26:20,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:26:20,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:26:20,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:26:20,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:26:20,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:26:20,956 INFO L142 QuantifierPusher]: treesize reduction 17, result has 59.5 percent of original size [2021-08-12 21:26:20,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:26:20,970 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:26:20,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:26:20,979 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:26:20,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:26:20,992 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:26:20,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:26:21,007 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-08-12 21:26:21,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-12 21:26:21,022 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-08-12 21:26:21,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-12 21:26:21,036 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:26:21,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:26:21,051 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:26:21,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:26:21,070 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-12 21:26:21,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:26:21,086 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:26:21,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:26:21,099 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:26:21,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:26:21,100 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:26:21,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:26:21,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:26:21,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:26:21,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:26:21,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:26:21,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:26:21,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:26:21,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:26:21,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:26:21,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:26:21,143 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:26:21,144 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628172367] [2021-08-12 21:26:21,144 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628172367] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:26:21,144 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:26:21,144 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-12 21:26:21,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893796726] [2021-08-12 21:26:21,144 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-12 21:26:21,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:26:21,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-12 21:26:21,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-08-12 21:26:21,145 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-12 21:26:21,146 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 567 places, 4907 transitions, 232480 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:26:21,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:26:21,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-12 21:26:21,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:27:02,489 INFO L129 PetriNetUnfolder]: 5504/17467 cut-off events. [2021-08-12 21:27:02,489 INFO L130 PetriNetUnfolder]: For 726144/798100 co-relation queries the response was YES. [2021-08-12 21:27:02,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 299308 conditions, 17467 events. 5504/17467 cut-off events. For 726144/798100 co-relation queries the response was YES. Maximal size of possible extension queue 942. Compared 203711 event pairs, 519 based on Foata normal form. 147/17416 useless extension candidates. Maximal degree in co-relation 195746. Up to 10167 conditions per place. [2021-08-12 21:27:02,637 INFO L132 encePairwiseOnDemand]: 132/162 looper letters, 3917 selfloop transitions, 489 changer transitions 519/4997 dead transitions. [2021-08-12 21:27:02,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 4997 transitions, 246406 flow [2021-08-12 21:27:02,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-12 21:27:02,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-12 21:27:02,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1648 transitions. [2021-08-12 21:27:02,640 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4624017957351291 [2021-08-12 21:27:02,641 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1648 transitions. [2021-08-12 21:27:02,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1648 transitions. [2021-08-12 21:27:02,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:27:02,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1648 transitions. [2021-08-12 21:27:02,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 74.9090909090909) internal successors, (1648), 22 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:27:02,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 162.0) internal successors, (3726), 23 states have internal predecessors, (3726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:27:02,662 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 162.0) internal successors, (3726), 23 states have internal predecessors, (3726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:27:02,662 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 440 predicate places. [2021-08-12 21:27:02,662 INFO L482 AbstractCegarLoop]: Abstraction has has 588 places, 4997 transitions, 246406 flow [2021-08-12 21:27:02,662 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:27:02,662 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:27:02,662 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] [2021-08-12 21:27:02,662 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-08-12 21:27:02,662 INFO L430 AbstractCegarLoop]: === Iteration 27 === [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]=== [2021-08-12 21:27:02,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:27:02,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1878438470, now seen corresponding path program 20 times [2021-08-12 21:27:02,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:27:02,664 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368082137] [2021-08-12 21:27:02,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:27:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:27:02,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:02,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:27:02,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:02,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:27:02,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:02,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:27:02,918 INFO L142 QuantifierPusher]: treesize reduction 17, result has 59.5 percent of original size [2021-08-12 21:27:02,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:27:02,947 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:27:02,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:27:02,955 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:27:02,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:27:02,977 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:27:02,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:27:02,989 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-08-12 21:27:02,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-12 21:27:03,008 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-12 21:27:03,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:27:03,020 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:27:03,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:27:03,044 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:27:03,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:27:03,073 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-12 21:27:03,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:27:03,087 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:27:03,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:27:03,109 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:27:03,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:27:03,110 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:27:03,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:27:03,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:03,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:27:03,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:03,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:27:03,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:03,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:27:03,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:03,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:27:03,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:27:03,150 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:27:03,150 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368082137] [2021-08-12 21:27:03,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368082137] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:27:03,150 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:27:03,150 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-12 21:27:03,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384796289] [2021-08-12 21:27:03,151 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-12 21:27:03,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:27:03,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-12 21:27:03,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-08-12 21:27:03,153 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-12 21:27:03,153 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 588 places, 4997 transitions, 246406 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:27:03,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:27:03,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-12 21:27:03,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:27:07,032 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-08-12 21:27:43,579 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-08-12 21:27:45,661 INFO L129 PetriNetUnfolder]: 5504/17486 cut-off events. [2021-08-12 21:27:45,661 INFO L130 PetriNetUnfolder]: For 794767/885137 co-relation queries the response was YES. [2021-08-12 21:27:45,699 INFO L84 FinitePrefix]: Finished finitePrefix Result has 311160 conditions, 17486 events. 5504/17486 cut-off events. For 794767/885137 co-relation queries the response was YES. Maximal size of possible extension queue 942. Compared 204064 event pairs, 526 based on Foata normal form. 158/17444 useless extension candidates. Maximal degree in co-relation 203380. Up to 10165 conditions per place. [2021-08-12 21:27:45,978 INFO L132 encePairwiseOnDemand]: 133/162 looper letters, 3992 selfloop transitions, 425 changer transitions 521/5010 dead transitions. [2021-08-12 21:27:45,978 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 608 places, 5010 transitions, 256894 flow [2021-08-12 21:27:45,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 21:27:45,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-12 21:27:45,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1570 transitions. [2021-08-12 21:27:45,980 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.46149323927101704 [2021-08-12 21:27:45,980 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1570 transitions. [2021-08-12 21:27:45,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1570 transitions. [2021-08-12 21:27:45,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:27:45,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1570 transitions. [2021-08-12 21:27:45,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.76190476190476) internal successors, (1570), 21 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:27:45,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:27:45,983 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:27:45,984 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 460 predicate places. [2021-08-12 21:27:45,984 INFO L482 AbstractCegarLoop]: Abstraction has has 608 places, 5010 transitions, 256894 flow [2021-08-12 21:27:45,984 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:27:45,984 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:27:45,984 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] [2021-08-12 21:27:45,984 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-08-12 21:27:45,984 INFO L430 AbstractCegarLoop]: === Iteration 28 === [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]=== [2021-08-12 21:27:45,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:27:45,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1537829550, now seen corresponding path program 21 times [2021-08-12 21:27:45,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:27:45,985 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391316074] [2021-08-12 21:27:45,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:27:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:27:46,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:46,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:27:46,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:46,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:27:46,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:46,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:27:46,087 INFO L142 QuantifierPusher]: treesize reduction 17, result has 59.5 percent of original size [2021-08-12 21:27:46,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:27:46,101 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:27:46,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:27:46,109 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:27:46,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:27:46,121 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-08-12 21:27:46,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-12 21:27:46,133 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-08-12 21:27:46,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-12 21:27:46,147 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-12 21:27:46,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:27:46,163 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:27:46,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:27:46,179 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:27:46,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:27:46,198 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-12 21:27:46,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:27:46,214 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:27:46,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:27:46,227 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:27:46,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:27:46,228 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:27:46,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:27:46,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:46,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:27:46,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:46,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:27:46,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:46,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:27:46,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:46,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:27:46,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:27:46,272 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:27:46,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391316074] [2021-08-12 21:27:46,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391316074] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:27:46,272 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:27:46,272 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-12 21:27:46,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332903640] [2021-08-12 21:27:46,272 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-12 21:27:46,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:27:46,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-12 21:27:46,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-08-12 21:27:46,274 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-12 21:27:46,274 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 608 places, 5010 transitions, 256894 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:27:46,274 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:27:46,274 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-12 21:27:46,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:28:30,544 INFO L129 PetriNetUnfolder]: 5504/17510 cut-off events. [2021-08-12 21:28:30,545 INFO L130 PetriNetUnfolder]: For 863251/970628 co-relation queries the response was YES. [2021-08-12 21:28:30,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 323784 conditions, 17510 events. 5504/17510 cut-off events. For 863251/970628 co-relation queries the response was YES. Maximal size of possible extension queue 941. Compared 204221 event pairs, 515 based on Foata normal form. 90/17404 useless extension candidates. Maximal degree in co-relation 210990. Up to 10165 conditions per place. [2021-08-12 21:28:30,700 INFO L132 encePairwiseOnDemand]: 133/162 looper letters, 4022 selfloop transitions, 432 changer transitions 527/5053 dead transitions. [2021-08-12 21:28:30,700 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 628 places, 5053 transitions, 268984 flow [2021-08-12 21:28:30,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 21:28:30,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-12 21:28:30,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1571 transitions. [2021-08-12 21:28:30,702 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4617871840094062 [2021-08-12 21:28:30,702 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1571 transitions. [2021-08-12 21:28:30,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1571 transitions. [2021-08-12 21:28:30,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:28:30,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1571 transitions. [2021-08-12 21:28:30,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.80952380952381) internal successors, (1571), 21 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:28:30,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:28:30,726 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:28:30,726 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 480 predicate places. [2021-08-12 21:28:30,726 INFO L482 AbstractCegarLoop]: Abstraction has has 628 places, 5053 transitions, 268984 flow [2021-08-12 21:28:30,726 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:28:30,726 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:28:30,726 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] [2021-08-12 21:28:30,727 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-08-12 21:28:30,727 INFO L430 AbstractCegarLoop]: === Iteration 29 === [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]=== [2021-08-12 21:28:30,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:28:30,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1674254018, now seen corresponding path program 22 times [2021-08-12 21:28:30,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:28:30,727 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472437304] [2021-08-12 21:28:30,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:28:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:28:30,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:28:30,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:28:30,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:28:30,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:28:30,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:28:30,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:28:30,912 INFO L142 QuantifierPusher]: treesize reduction 17, result has 59.5 percent of original size [2021-08-12 21:28:30,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:28:30,942 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:28:30,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:28:30,951 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:28:30,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:28:30,963 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-08-12 21:28:30,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-12 21:28:30,976 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-08-12 21:28:30,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-12 21:28:31,005 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-08-12 21:28:31,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-12 21:28:31,020 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:28:31,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:28:31,035 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:28:31,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:28:31,066 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-12 21:28:31,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:28:31,081 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:28:31,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:28:31,095 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:28:31,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:28:31,096 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:28:31,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:28:31,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:28:31,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:28:31,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:28:31,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:28:31,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:28:31,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:28:31,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:28:31,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:28:31,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:28:31,139 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:28:31,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472437304] [2021-08-12 21:28:31,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472437304] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:28:31,139 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:28:31,139 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-12 21:28:31,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361715170] [2021-08-12 21:28:31,139 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-12 21:28:31,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:28:31,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-12 21:28:31,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-08-12 21:28:31,140 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-12 21:28:31,141 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 5053 transitions, 268984 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:28:31,141 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:28:31,141 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-12 21:28:31,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:29:15,277 INFO L129 PetriNetUnfolder]: 5504/17505 cut-off events. [2021-08-12 21:29:15,278 INFO L130 PetriNetUnfolder]: For 937616/1077414 co-relation queries the response was YES. [2021-08-12 21:29:15,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 335360 conditions, 17505 events. 5504/17505 cut-off events. For 937616/1077414 co-relation queries the response was YES. Maximal size of possible extension queue 942. Compared 204192 event pairs, 524 based on Foata normal form. 87/17391 useless extension candidates. Maximal degree in co-relation 218621. Up to 10168 conditions per place. [2021-08-12 21:29:15,453 INFO L132 encePairwiseOnDemand]: 132/162 looper letters, 3952 selfloop transitions, 506 changer transitions 527/5057 dead transitions. [2021-08-12 21:29:15,453 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 649 places, 5057 transitions, 279144 flow [2021-08-12 21:29:15,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-12 21:29:15,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-12 21:29:15,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1642 transitions. [2021-08-12 21:29:15,455 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4607182940516274 [2021-08-12 21:29:15,455 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1642 transitions. [2021-08-12 21:29:15,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1642 transitions. [2021-08-12 21:29:15,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:29:15,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1642 transitions. [2021-08-12 21:29:15,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 74.63636363636364) internal successors, (1642), 22 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:29:15,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 162.0) internal successors, (3726), 23 states have internal predecessors, (3726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:29:15,463 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 162.0) internal successors, (3726), 23 states have internal predecessors, (3726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:29:15,465 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 501 predicate places. [2021-08-12 21:29:15,465 INFO L482 AbstractCegarLoop]: Abstraction has has 649 places, 5057 transitions, 279144 flow [2021-08-12 21:29:15,465 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:29:15,465 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:29:15,465 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] [2021-08-12 21:29:15,465 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-08-12 21:29:15,465 INFO L430 AbstractCegarLoop]: === Iteration 30 === [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]=== [2021-08-12 21:29:15,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:29:15,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1845680278, now seen corresponding path program 23 times [2021-08-12 21:29:15,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:29:15,466 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721511628] [2021-08-12 21:29:15,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:29:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:29:15,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:29:15,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:29:15,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:29:15,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:29:15,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:29:15,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:29:15,668 INFO L142 QuantifierPusher]: treesize reduction 34, result has 42.4 percent of original size [2021-08-12 21:29:15,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:29:15,682 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:29:15,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:29:15,691 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:29:15,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:29:15,704 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-08-12 21:29:15,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:29:15,719 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-08-12 21:29:15,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 21:29:15,737 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.6 percent of original size [2021-08-12 21:29:15,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:29:15,747 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:29:15,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:29:15,761 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-12 21:29:15,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:29:15,773 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-12 21:29:15,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:29:15,785 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-08-12 21:29:15,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-12 21:29:15,810 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.9 percent of original size [2021-08-12 21:29:15,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-12 21:29:15,837 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-08-12 21:29:15,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-08-12 21:29:15,860 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:29:15,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:29:15,872 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:29:15,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:29:15,873 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:29:15,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:29:15,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:29:15,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:29:15,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:29:15,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:29:15,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:29:15,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:29:15,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:29:15,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:29:15,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:29:15,917 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:29:15,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721511628] [2021-08-12 21:29:15,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721511628] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:29:15,917 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:29:15,917 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-08-12 21:29:15,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143275377] [2021-08-12 21:29:15,917 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 21:29:15,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:29:15,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 21:29:15,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2021-08-12 21:29:15,918 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-12 21:29:15,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 649 places, 5057 transitions, 279144 flow. Second operand has 20 states, 20 states have (on average 67.95) internal successors, (1359), 20 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:29:15,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:29:15,919 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-12 21:29:15,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:30:09,358 INFO L129 PetriNetUnfolder]: 5732/18248 cut-off events. [2021-08-12 21:30:09,358 INFO L130 PetriNetUnfolder]: For 1042584/1200912 co-relation queries the response was YES. [2021-08-12 21:30:09,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 361867 conditions, 18248 events. 5732/18248 cut-off events. For 1042584/1200912 co-relation queries the response was YES. Maximal size of possible extension queue 975. Compared 214561 event pairs, 480 based on Foata normal form. 319/18368 useless extension candidates. Maximal degree in co-relation 237012. Up to 10573 conditions per place. [2021-08-12 21:30:09,524 INFO L132 encePairwiseOnDemand]: 130/162 looper letters, 3615 selfloop transitions, 1014 changer transitions 577/5278 dead transitions. [2021-08-12 21:30:09,524 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 668 places, 5278 transitions, 301882 flow [2021-08-12 21:30:09,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-12 21:30:09,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-08-12 21:30:09,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1487 transitions. [2021-08-12 21:30:09,525 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4589506172839506 [2021-08-12 21:30:09,526 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1487 transitions. [2021-08-12 21:30:09,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1487 transitions. [2021-08-12 21:30:09,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:30:09,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1487 transitions. [2021-08-12 21:30:09,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 74.35) internal successors, (1487), 20 states have internal predecessors, (1487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:30:09,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 162.0) internal successors, (3402), 21 states have internal predecessors, (3402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:30:09,529 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 162.0) internal successors, (3402), 21 states have internal predecessors, (3402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:30:09,529 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 520 predicate places. [2021-08-12 21:30:09,529 INFO L482 AbstractCegarLoop]: Abstraction has has 668 places, 5278 transitions, 301882 flow [2021-08-12 21:30:09,529 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 67.95) internal successors, (1359), 20 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:30:09,529 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:30:09,529 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] [2021-08-12 21:30:09,529 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-08-12 21:30:09,529 INFO L430 AbstractCegarLoop]: === Iteration 31 === [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]=== [2021-08-12 21:30:09,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:30:09,530 INFO L82 PathProgramCache]: Analyzing trace with hash -973551584, now seen corresponding path program 24 times [2021-08-12 21:30:09,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:30:09,530 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280734963] [2021-08-12 21:30:09,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:30:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:30:09,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:30:09,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:30:09,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:30:09,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:30:09,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:30:09,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:30:09,616 INFO L142 QuantifierPusher]: treesize reduction 17, result has 59.5 percent of original size [2021-08-12 21:30:09,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:30:09,630 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:30:09,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:30:09,638 INFO L142 QuantifierPusher]: treesize reduction 10, result has 61.5 percent of original size [2021-08-12 21:30:09,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 21:30:09,647 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-08-12 21:30:09,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-12 21:30:09,659 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-12 21:30:09,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:30:09,674 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-12 21:30:09,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:30:09,689 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:30:09,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:30:09,704 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:30:09,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:30:09,723 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-12 21:30:09,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:30:09,739 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:30:09,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:30:09,752 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-12 21:30:09,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:30:09,753 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:30:09,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:30:09,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:30:09,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:30:09,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:30:09,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:30:09,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:30:09,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:30:09,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:30:09,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:30:09,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:30:09,798 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:30:09,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280734963] [2021-08-12 21:30:09,798 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280734963] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:30:09,798 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:30:09,798 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-12 21:30:09,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611597492] [2021-08-12 21:30:09,799 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-12 21:30:09,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:30:09,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-12 21:30:09,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-08-12 21:30:09,800 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-12 21:30:09,800 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 668 places, 5278 transitions, 301882 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:30:09,801 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:30:09,801 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-12 21:30:09,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-08-12 21:30:25,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 21:30:25,253 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-08-12 21:30:25,253 WARN L547 AbstractCegarLoop]: Verification canceled [2021-08-12 21:30:25,255 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-12 21:30:25,256 WARN L188 ceAbstractionStarter]: Timeout [2021-08-12 21:30:25,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.08 09:30:25 BasicIcfg [2021-08-12 21:30:25,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-12 21:30:25,256 INFO L168 Benchmark]: Toolchain (without parser) took 565659.68 ms. Allocated memory was 190.8 MB in the beginning and 3.9 GB in the end (delta: 3.7 GB). Free memory was 153.2 MB in the beginning and 2.5 GB in the end (delta: -2.4 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2021-08-12 21:30:25,257 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 190.8 MB. Free memory is still 173.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 21:30:25,257 INFO L168 Benchmark]: CACSL2BoogieTranslator took 850.57 ms. Allocated memory is still 190.8 MB. Free memory was 153.0 MB in the beginning and 100.5 MB in the end (delta: 52.6 MB). Peak memory consumption was 53.3 MB. Max. memory is 8.0 GB. [2021-08-12 21:30:25,257 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.82 ms. Allocated memory is still 190.8 MB. Free memory was 100.5 MB in the beginning and 97.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-12 21:30:25,257 INFO L168 Benchmark]: Boogie Preprocessor took 52.61 ms. Allocated memory is still 190.8 MB. Free memory was 97.3 MB in the beginning and 94.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-12 21:30:25,257 INFO L168 Benchmark]: RCFGBuilder took 456.97 ms. Allocated memory was 190.8 MB in the beginning and 267.4 MB in the end (delta: 76.5 MB). Free memory was 94.7 MB in the beginning and 222.7 MB in the end (delta: -128.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 8.0 GB. [2021-08-12 21:30:25,257 INFO L168 Benchmark]: TraceAbstraction took 564219.58 ms. Allocated memory was 267.4 MB in the beginning and 3.9 GB in the end (delta: 3.7 GB). Free memory was 222.2 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2021-08-12 21:30:25,257 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 190.8 MB. Free memory is still 173.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 850.57 ms. Allocated memory is still 190.8 MB. Free memory was 153.0 MB in the beginning and 100.5 MB in the end (delta: 52.6 MB). Peak memory consumption was 53.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 75.82 ms. Allocated memory is still 190.8 MB. Free memory was 100.5 MB in the beginning and 97.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 52.61 ms. Allocated memory is still 190.8 MB. Free memory was 97.3 MB in the beginning and 94.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 456.97 ms. Allocated memory was 190.8 MB in the beginning and 267.4 MB in the end (delta: 76.5 MB). Free memory was 94.7 MB in the beginning and 222.7 MB in the end (delta: -128.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 564219.58 ms. Allocated memory was 267.4 MB in the beginning and 3.9 GB in the end (delta: 3.7 GB). Free memory was 222.2 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (18states, 65/162 universal loopers) in iteration 31,while PetriNetUnfolder was constructing finite prefix that currently has 117114 conditions, 4842 events (2130/4841 cut-off events. For 132953/312866 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 45426 event pairs, 94 based on Foata normal form. 33/5552 useless extension candidates. Maximal degree in co-relation 115569. Up to 2859 conditions per place.). - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (18states, 65/162 universal loopers) in iteration 31,while PetriNetUnfolder was constructing finite prefix that currently has 117114 conditions, 4842 events (2130/4841 cut-off events. For 132953/312866 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 45426 event pairs, 94 based on Foata normal form. 33/5552 useless extension candidates. Maximal degree in co-relation 115569. Up to 2859 conditions per place.). - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (18states, 65/162 universal loopers) in iteration 31,while PetriNetUnfolder was constructing finite prefix that currently has 117114 conditions, 4842 events (2130/4841 cut-off events. For 132953/312866 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 45426 event pairs, 94 based on Foata normal form. 33/5552 useless extension candidates. Maximal degree in co-relation 115569. Up to 2859 conditions per place.). - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (18states, 65/162 universal loopers) in iteration 31,while PetriNetUnfolder was constructing finite prefix that currently has 117114 conditions, 4842 events (2130/4841 cut-off events. For 132953/312866 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 45426 event pairs, 94 based on Foata normal form. 33/5552 useless extension candidates. Maximal degree in co-relation 115569. Up to 2859 conditions per place.). - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (18states, 65/162 universal loopers) in iteration 31,while PetriNetUnfolder was constructing finite prefix that currently has 117114 conditions, 4842 events (2130/4841 cut-off events. For 132953/312866 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 45426 event pairs, 94 based on Foata normal form. 33/5552 useless extension candidates. Maximal degree in co-relation 115569. Up to 2859 conditions per place.). - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (18states, 65/162 universal loopers) in iteration 31,while PetriNetUnfolder was constructing finite prefix that currently has 117114 conditions, 4842 events (2130/4841 cut-off events. For 132953/312866 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 45426 event pairs, 94 based on Foata normal form. 33/5552 useless extension candidates. Maximal degree in co-relation 115569. Up to 2859 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 164 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 564139.2ms, OverallIterations: 31, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 554717.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 56.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2542 SDtfs, 10654 SDslu, 14632 SDs, 0 SdLazy, 19423 SolverSat, 1346 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9707.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 963 GetRequests, 92 SyntacticMatches, 16 SemanticMatches, 855 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3904 ImplicationChecksByTransitivity, 22933.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=301882occurred in iteration=30, InterpolantAutomatonStates: 570, 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: 60.9ms SsaConstructionTime, 597.2ms SatisfiabilityAnalysisTime, 8307.5ms InterpolantComputationTime, 3012 NumberOfCodeBlocks, 3012 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 2981 ConstructedInterpolants, 0 QuantifiedInterpolants, 38378 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 31 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