/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-OGIterative-CovSimpl.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 07:06:26,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 07:06:26,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 07:06:26,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-13 07:06:26,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 07:06:26,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 07:06:26,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 07:06:26,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 07:06:26,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 07:06:26,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 07:06:26,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 07:06:26,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 07:06:26,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 07:06:26,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 07:06:26,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 07:06:26,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 07:06:26,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 07:06:26,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 07:06:26,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 07:06:26,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 07:06:26,153 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-OGIterative-CovSimpl.epf [2021-08-13 07:06:26,173 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 07:06:26,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 07:06:26,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 07:06:26,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 07:06:26,176 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 07:06:26,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 07:06:26,176 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 07:06:26,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 07:06:26,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 07:06:26,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 07:06:26,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 07:06:26,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 07:06:26,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 07:06:26,178 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 07:06:26,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 07:06:26,178 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 07:06:26,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 07:06:26,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 07:06:26,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 07:06:26,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 07:06:26,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 07:06:26,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 07:06:26,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 07:06:26,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 07:06:26,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 07:06:26,179 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 07:06:26,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 07:06:26,179 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 07:06:26,179 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 07:06:26,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 07:06:26,180 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 07:06:26,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-13 07:06:26,180 INFO L138 SettingsManager]: * Simplify away covered predicates in OwickiGries annotation=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 07:06:26,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 07:06:26,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 07:06:26,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 07:06:26,452 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 07:06:26,452 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 07:06:26,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2021-08-13 07:06:26,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e44fd6907/ac50c0cca59f4de89b8d12382d3a87ed/FLAG861a0f842 [2021-08-13 07:06:26,951 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 07:06:26,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2021-08-13 07:06:26,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e44fd6907/ac50c0cca59f4de89b8d12382d3a87ed/FLAG861a0f842 [2021-08-13 07:06:27,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e44fd6907/ac50c0cca59f4de89b8d12382d3a87ed [2021-08-13 07:06:27,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 07:06:27,476 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 07:06:27,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 07:06:27,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 07:06:27,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 07:06:27,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 07:06:27" (1/1) ... [2021-08-13 07:06:27,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79598b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:27, skipping insertion in model container [2021-08-13 07:06:27,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 07:06:27" (1/1) ... [2021-08-13 07:06:27,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 07:06:27,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 07:06:27,620 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-13 07:06:28,033 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i[75002,75015] [2021-08-13 07:06:28,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 07:06:28,063 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 07:06:28,070 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-13 07:06:28,097 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i[75002,75015] [2021-08-13 07:06:28,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 07:06:28,275 INFO L208 MainTranslator]: Completed translation [2021-08-13 07:06:28,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:28 WrapperNode [2021-08-13 07:06:28,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 07:06:28,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 07:06:28,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 07:06:28,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 07:06:28,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:28" (1/1) ... [2021-08-13 07:06:28,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:28" (1/1) ... [2021-08-13 07:06:28,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 07:06:28,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 07:06:28,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 07:06:28,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 07:06:28,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:28" (1/1) ... [2021-08-13 07:06:28,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:28" (1/1) ... [2021-08-13 07:06:28,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:28" (1/1) ... [2021-08-13 07:06:28,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:28" (1/1) ... [2021-08-13 07:06:28,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:28" (1/1) ... [2021-08-13 07:06:28,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:28" (1/1) ... [2021-08-13 07:06:28,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:28" (1/1) ... [2021-08-13 07:06:28,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 07:06:28,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 07:06:28,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 07:06:28,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 07:06:28,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 07:06:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-13 07:06:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 07:06:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-13 07:06:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-13 07:06:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-13 07:06:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 07:06:28,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 07:06:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-08-13 07:06:28,401 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-08-13 07:06:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 07:06:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 07:06:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-13 07:06:28,402 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 07:06:28,882 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 07:06:28,882 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-08-13 07:06:28,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 07:06:28 BoogieIcfgContainer [2021-08-13 07:06:28,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 07:06:28,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 07:06:28,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 07:06:28,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 07:06:28,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 07:06:27" (1/3) ... [2021-08-13 07:06:28,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e40581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 07:06:28, skipping insertion in model container [2021-08-13 07:06:28,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:06:28" (2/3) ... [2021-08-13 07:06:28,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e40581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 07:06:28, skipping insertion in model container [2021-08-13 07:06:28,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 07:06:28" (3/3) ... [2021-08-13 07:06:28,888 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2021-08-13 07:06:28,891 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 07:06:28,891 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-08-13 07:06:28,892 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 07:06:28,924 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,924 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,924 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,924 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,924 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,924 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,925 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,925 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,925 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,925 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,925 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,925 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,928 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,928 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,928 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,928 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,928 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,928 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,928 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,929 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,929 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,929 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,929 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,929 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,929 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,929 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,929 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,930 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,930 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,930 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,930 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,930 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,930 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,930 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,930 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,930 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,930 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,930 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,930 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,931 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,931 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,931 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,931 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,931 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,931 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,931 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,931 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,931 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,932 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,932 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,932 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,932 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,932 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,932 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,932 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,932 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,932 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,932 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,933 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,933 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,933 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,934 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,934 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,934 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,934 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,934 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,934 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,935 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,935 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,935 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,935 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,935 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,935 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,936 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,936 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,936 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,936 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,936 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,936 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,936 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,937 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,937 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,937 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,938 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,940 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,940 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,941 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,941 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,946 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,946 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,946 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,946 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,946 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,946 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,946 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,950 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,950 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,950 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,950 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,950 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,950 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,950 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,950 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,952 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,952 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,952 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,952 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,952 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,952 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,952 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,952 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,952 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,952 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,952 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,952 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,954 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,954 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,954 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,954 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,954 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,955 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,955 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,955 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,955 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,955 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,955 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,955 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:06:28,961 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-13 07:06:28,975 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-13 07:06:28,990 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 07:06:28,990 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 07:06:28,990 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 07:06:28,990 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 07:06:28,990 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 07:06:28,991 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 07:06:28,991 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 07:06:28,991 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 07:06:28,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 143 transitions, 308 flow [2021-08-13 07:06:29,047 INFO L129 PetriNetUnfolder]: 9/183 cut-off events. [2021-08-13 07:06:29,048 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-08-13 07:06:29,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 183 events. 9/183 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 335 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 96. Up to 4 conditions per place. [2021-08-13 07:06:29,051 INFO L82 GeneralOperation]: Start removeDead. Operand has 141 places, 143 transitions, 308 flow [2021-08-13 07:06:29,054 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 131 places, 131 transitions, 280 flow [2021-08-13 07:06:29,069 INFO L129 PetriNetUnfolder]: 0/84 cut-off events. [2021-08-13 07:06:29,069 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 07:06:29,069 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:29,069 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:29,070 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:29,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:29,073 INFO L82 PathProgramCache]: Analyzing trace with hash 918719424, now seen corresponding path program 1 times [2021-08-13 07:06:29,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:29,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183886306] [2021-08-13 07:06:29,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:29,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:29,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 07:06:29,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:29,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:29,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:29,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:29,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:29,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:29,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:06:29,375 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:29,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183886306] [2021-08-13 07:06:29,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183886306] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:29,376 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:29,377 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 07:06:29,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425553377] [2021-08-13 07:06:29,382 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 07:06:29,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:29,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 07:06:29,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 07:06:29,396 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 143 [2021-08-13 07:06:29,401 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 131 transitions, 280 flow. Second operand has 6 states, 6 states have (on average 86.66666666666667) internal successors, (520), 6 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:29,401 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:29,401 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 143 [2021-08-13 07:06:29,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:29,891 INFO L129 PetriNetUnfolder]: 833/1783 cut-off events. [2021-08-13 07:06:29,891 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-08-13 07:06:29,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3264 conditions, 1783 events. 833/1783 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 11035 event pairs, 187 based on Foata normal form. 17/1760 useless extension candidates. Maximal degree in co-relation 3084. Up to 596 conditions per place. [2021-08-13 07:06:29,906 INFO L132 encePairwiseOnDemand]: 123/143 looper letters, 94 selfloop transitions, 44 changer transitions 0/215 dead transitions. [2021-08-13 07:06:29,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 215 transitions, 724 flow [2021-08-13 07:06:29,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-13 07:06:29,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-08-13 07:06:29,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1319 transitions. [2021-08-13 07:06:29,921 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6588411588411588 [2021-08-13 07:06:29,922 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1319 transitions. [2021-08-13 07:06:29,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1319 transitions. [2021-08-13 07:06:29,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:29,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1319 transitions. [2021-08-13 07:06:29,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 94.21428571428571) internal successors, (1319), 14 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:29,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 143.0) internal successors, (2145), 15 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:29,939 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 143.0) internal successors, (2145), 15 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:29,940 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 10 predicate places. [2021-08-13 07:06:29,940 INFO L482 AbstractCegarLoop]: Abstraction has has 141 places, 215 transitions, 724 flow [2021-08-13 07:06:29,940 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 86.66666666666667) internal successors, (520), 6 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:29,940 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:29,940 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:29,941 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 07:06:29,941 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:29,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:29,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1316640901, now seen corresponding path program 1 times [2021-08-13 07:06:29,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:29,942 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960777942] [2021-08-13 07:06:29,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:30,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:30,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:30,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:30,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:30,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:30,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:30,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:06:30,048 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:30,048 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960777942] [2021-08-13 07:06:30,048 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960777942] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:30,048 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:30,049 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 07:06:30,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305161882] [2021-08-13 07:06:30,050 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 07:06:30,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:30,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 07:06:30,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 07:06:30,051 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 143 [2021-08-13 07:06:30,052 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 215 transitions, 724 flow. Second operand has 6 states, 6 states have (on average 87.5) internal successors, (525), 6 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:30,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:30,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 143 [2021-08-13 07:06:30,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:30,477 INFO L129 PetriNetUnfolder]: 1145/2342 cut-off events. [2021-08-13 07:06:30,477 INFO L130 PetriNetUnfolder]: For 128/214 co-relation queries the response was YES. [2021-08-13 07:06:30,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6318 conditions, 2342 events. 1145/2342 cut-off events. For 128/214 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 14998 event pairs, 202 based on Foata normal form. 47/2334 useless extension candidates. Maximal degree in co-relation 6085. Up to 935 conditions per place. [2021-08-13 07:06:30,489 INFO L132 encePairwiseOnDemand]: 128/143 looper letters, 113 selfloop transitions, 41 changer transitions 99/330 dead transitions. [2021-08-13 07:06:30,490 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 330 transitions, 1684 flow [2021-08-13 07:06:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-13 07:06:30,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-08-13 07:06:30,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1045 transitions. [2021-08-13 07:06:30,492 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6643356643356644 [2021-08-13 07:06:30,492 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1045 transitions. [2021-08-13 07:06:30,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1045 transitions. [2021-08-13 07:06:30,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:30,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1045 transitions. [2021-08-13 07:06:30,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 95.0) internal successors, (1045), 11 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:30,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 143.0) internal successors, (1716), 12 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:30,497 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 143.0) internal successors, (1716), 12 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:30,497 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 20 predicate places. [2021-08-13 07:06:30,497 INFO L482 AbstractCegarLoop]: Abstraction has has 151 places, 330 transitions, 1684 flow [2021-08-13 07:06:30,498 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 87.5) internal successors, (525), 6 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:30,498 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:30,498 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:30,498 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 07:06:30,498 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:30,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:30,501 INFO L82 PathProgramCache]: Analyzing trace with hash -78594145, now seen corresponding path program 1 times [2021-08-13 07:06:30,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:30,501 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163688801] [2021-08-13 07:06:30,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:30,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:30,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:30,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:30,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:30,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:30,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:06:30,644 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:30,644 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163688801] [2021-08-13 07:06:30,644 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163688801] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:30,644 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:30,644 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 07:06:30,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220730585] [2021-08-13 07:06:30,645 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 07:06:30,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:30,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 07:06:30,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 07:06:30,648 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 143 [2021-08-13 07:06:30,649 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 330 transitions, 1684 flow. Second operand has 5 states, 5 states have (on average 125.8) internal successors, (629), 5 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:30,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:30,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 143 [2021-08-13 07:06:30,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:30,724 INFO L129 PetriNetUnfolder]: 73/333 cut-off events. [2021-08-13 07:06:30,725 INFO L130 PetriNetUnfolder]: For 53/103 co-relation queries the response was YES. [2021-08-13 07:06:30,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 748 conditions, 333 events. 73/333 cut-off events. For 53/103 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1198 event pairs, 72 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 484. Up to 162 conditions per place. [2021-08-13 07:06:30,727 INFO L132 encePairwiseOnDemand]: 137/143 looper letters, 5 selfloop transitions, 4 changer transitions 27/131 dead transitions. [2021-08-13 07:06:30,727 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 131 transitions, 514 flow [2021-08-13 07:06:30,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-13 07:06:30,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-08-13 07:06:30,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 885 transitions. [2021-08-13 07:06:30,729 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8841158841158842 [2021-08-13 07:06:30,729 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 885 transitions. [2021-08-13 07:06:30,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 885 transitions. [2021-08-13 07:06:30,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:30,729 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 885 transitions. [2021-08-13 07:06:30,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 126.42857142857143) internal successors, (885), 7 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:30,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 143.0) internal successors, (1144), 8 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:30,732 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 143.0) internal successors, (1144), 8 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:30,733 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 15 predicate places. [2021-08-13 07:06:30,733 INFO L482 AbstractCegarLoop]: Abstraction has has 146 places, 131 transitions, 514 flow [2021-08-13 07:06:30,734 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 125.8) internal successors, (629), 5 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:30,734 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:30,735 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:30,735 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 07:06:30,735 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:30,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:30,737 INFO L82 PathProgramCache]: Analyzing trace with hash -960661887, now seen corresponding path program 1 times [2021-08-13 07:06:30,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:30,737 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150404089] [2021-08-13 07:06:30,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:30,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:30,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:30,993 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:06:30,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:30,999 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:31,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:31,009 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:31,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:31,026 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:06:31,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:06:31,042 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:31,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:31,055 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:31,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:31,073 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:31,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:31,087 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:31,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:31,101 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:31,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:31,119 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:31,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:31,141 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 07:06:31,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:06:31,182 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 07:06:31,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:06:31,229 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 07:06:31,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:06:31,244 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:31,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:31,259 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:06:31,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:06:31,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:31,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:31,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:31,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:31,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:31,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:31,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:31,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:31,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:06:31,316 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:31,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150404089] [2021-08-13 07:06:31,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150404089] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:31,316 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:31,316 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:06:31,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090453768] [2021-08-13 07:06:31,317 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:06:31,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:31,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:06:31,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:06:31,321 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 07:06:31,322 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 131 transitions, 514 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:31,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:31,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 07:06:31,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:32,456 INFO L129 PetriNetUnfolder]: 390/1020 cut-off events. [2021-08-13 07:06:32,456 INFO L130 PetriNetUnfolder]: For 870/1010 co-relation queries the response was YES. [2021-08-13 07:06:32,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2950 conditions, 1020 events. 390/1020 cut-off events. For 870/1010 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5381 event pairs, 67 based on Foata normal form. 0/986 useless extension candidates. Maximal degree in co-relation 2281. Up to 506 conditions per place. [2021-08-13 07:06:32,462 INFO L132 encePairwiseOnDemand]: 117/143 looper letters, 101 selfloop transitions, 23 changer transitions 39/213 dead transitions. [2021-08-13 07:06:32,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 213 transitions, 1248 flow [2021-08-13 07:06:32,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 07:06:32,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 07:06:32,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1498 transitions. [2021-08-13 07:06:32,465 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4988344988344988 [2021-08-13 07:06:32,465 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1498 transitions. [2021-08-13 07:06:32,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1498 transitions. [2021-08-13 07:06:32,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:32,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1498 transitions. [2021-08-13 07:06:32,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 71.33333333333333) internal successors, (1498), 21 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:32,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 143.0) internal successors, (3146), 22 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:32,472 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 143.0) internal successors, (3146), 22 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:32,472 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 35 predicate places. [2021-08-13 07:06:32,472 INFO L482 AbstractCegarLoop]: Abstraction has has 166 places, 213 transitions, 1248 flow [2021-08-13 07:06:32,472 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:32,472 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:32,473 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:32,473 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 07:06:32,473 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:32,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:32,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1636432745, now seen corresponding path program 2 times [2021-08-13 07:06:32,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:32,473 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126652946] [2021-08-13 07:06:32,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:32,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:32,593 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:06:32,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:32,597 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:32,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:32,604 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:32,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:32,612 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:06:32,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:06:32,634 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:32,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:32,645 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:32,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:32,656 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:32,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:32,669 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:32,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:32,682 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:32,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:32,697 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-08-13 07:06:32,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 07:06:32,726 INFO L142 QuantifierPusher]: treesize reduction 23, result has 66.2 percent of original size [2021-08-13 07:06:32,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 07:06:32,762 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size [2021-08-13 07:06:32,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-13 07:06:32,778 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:32,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:32,794 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:32,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:32,805 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:32,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:32,807 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:06:32,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:06:32,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:32,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:32,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:32,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:32,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:32,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:06:32,845 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:32,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126652946] [2021-08-13 07:06:32,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126652946] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:32,845 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:32,845 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:06:32,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147452918] [2021-08-13 07:06:32,845 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:06:32,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:32,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:06:32,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:06:32,847 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 07:06:32,848 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 213 transitions, 1248 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:32,848 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:32,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 07:06:32,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:34,093 INFO L129 PetriNetUnfolder]: 438/1213 cut-off events. [2021-08-13 07:06:34,093 INFO L130 PetriNetUnfolder]: For 1284/1740 co-relation queries the response was YES. [2021-08-13 07:06:34,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4472 conditions, 1213 events. 438/1213 cut-off events. For 1284/1740 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 7037 event pairs, 3 based on Foata normal form. 14/1209 useless extension candidates. Maximal degree in co-relation 3342. Up to 620 conditions per place. [2021-08-13 07:06:34,099 INFO L132 encePairwiseOnDemand]: 114/143 looper letters, 176 selfloop transitions, 42 changer transitions 51/319 dead transitions. [2021-08-13 07:06:34,099 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 319 transitions, 2562 flow [2021-08-13 07:06:34,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 07:06:34,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 07:06:34,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1511 transitions. [2021-08-13 07:06:34,102 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5031635031635031 [2021-08-13 07:06:34,102 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1511 transitions. [2021-08-13 07:06:34,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1511 transitions. [2021-08-13 07:06:34,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:34,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1511 transitions. [2021-08-13 07:06:34,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 71.95238095238095) internal successors, (1511), 21 states have internal predecessors, (1511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:34,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 143.0) internal successors, (3146), 22 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:34,109 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 143.0) internal successors, (3146), 22 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:34,109 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 55 predicate places. [2021-08-13 07:06:34,109 INFO L482 AbstractCegarLoop]: Abstraction has has 186 places, 319 transitions, 2562 flow [2021-08-13 07:06:34,110 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:34,110 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:34,110 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:34,110 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-13 07:06:34,110 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:34,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:34,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1627441239, now seen corresponding path program 3 times [2021-08-13 07:06:34,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:34,111 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907295603] [2021-08-13 07:06:34,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:34,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:34,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:34,257 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:06:34,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:34,261 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:34,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:34,269 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:34,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:34,277 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:06:34,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:06:34,290 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:34,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:34,301 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:34,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:34,313 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:34,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:34,325 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:34,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:34,338 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:34,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:34,353 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-08-13 07:06:34,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 07:06:34,382 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 07:06:34,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:06:34,408 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 07:06:34,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:06:34,440 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 07:06:34,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:06:34,455 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:34,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:34,467 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:34,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:34,468 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:06:34,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:06:34,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:34,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:34,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:34,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:34,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:34,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:34,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:34,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:34,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:06:34,511 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:34,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907295603] [2021-08-13 07:06:34,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907295603] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:34,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:34,512 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:06:34,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929538177] [2021-08-13 07:06:34,512 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:06:34,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:34,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:06:34,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:06:34,514 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 07:06:34,515 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 319 transitions, 2562 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:34,515 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:34,515 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 07:06:34,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:35,875 INFO L129 PetriNetUnfolder]: 492/1447 cut-off events. [2021-08-13 07:06:35,876 INFO L130 PetriNetUnfolder]: For 2198/3262 co-relation queries the response was YES. [2021-08-13 07:06:35,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6437 conditions, 1447 events. 492/1447 cut-off events. For 2198/3262 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 9098 event pairs, 3 based on Foata normal form. 164/1585 useless extension candidates. Maximal degree in co-relation 4615. Up to 756 conditions per place. [2021-08-13 07:06:35,882 INFO L132 encePairwiseOnDemand]: 114/143 looper letters, 215 selfloop transitions, 56 changer transitions 65/386 dead transitions. [2021-08-13 07:06:35,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 386 transitions, 3860 flow [2021-08-13 07:06:35,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 07:06:35,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 07:06:35,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1601 transitions. [2021-08-13 07:06:35,886 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5089001907183726 [2021-08-13 07:06:35,886 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1601 transitions. [2021-08-13 07:06:35,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1601 transitions. [2021-08-13 07:06:35,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:35,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1601 transitions. [2021-08-13 07:06:35,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 72.77272727272727) internal successors, (1601), 22 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:35,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:35,893 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:35,893 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 76 predicate places. [2021-08-13 07:06:35,893 INFO L482 AbstractCegarLoop]: Abstraction has has 207 places, 386 transitions, 3860 flow [2021-08-13 07:06:35,893 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:35,893 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:35,894 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:35,894 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-13 07:06:35,894 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:35,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:35,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1095219901, now seen corresponding path program 4 times [2021-08-13 07:06:35,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:35,894 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721323088] [2021-08-13 07:06:35,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:35,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:35,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:35,988 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:06:35,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:35,992 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:35,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:35,999 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:35,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:36,007 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:06:36,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:06:36,018 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:36,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:36,029 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:36,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:36,041 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:36,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:36,053 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:36,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:36,066 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:36,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:36,080 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:36,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:36,092 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 07:06:36,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:06:36,119 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 07:06:36,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:06:36,179 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 07:06:36,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:06:36,191 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:36,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:36,202 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:36,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:36,203 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:06:36,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:06:36,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:36,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:36,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:36,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:36,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:36,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:36,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:36,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:36,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:06:36,252 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:36,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721323088] [2021-08-13 07:06:36,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721323088] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:36,252 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:36,252 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:06:36,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189406396] [2021-08-13 07:06:36,254 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:06:36,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:36,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:06:36,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:06:36,256 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 07:06:36,257 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 386 transitions, 3860 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:36,257 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:36,257 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 07:06:36,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:37,642 INFO L129 PetriNetUnfolder]: 558/1713 cut-off events. [2021-08-13 07:06:37,643 INFO L130 PetriNetUnfolder]: For 3568/4728 co-relation queries the response was YES. [2021-08-13 07:06:37,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8870 conditions, 1713 events. 558/1713 cut-off events. For 3568/4728 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 11543 event pairs, 3 based on Foata normal form. 117/1801 useless extension candidates. Maximal degree in co-relation 6182. Up to 904 conditions per place. [2021-08-13 07:06:37,651 INFO L132 encePairwiseOnDemand]: 116/143 looper letters, 285 selfloop transitions, 46 changer transitions 79/460 dead transitions. [2021-08-13 07:06:37,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 460 transitions, 5520 flow [2021-08-13 07:06:37,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 07:06:37,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 07:06:37,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1593 transitions. [2021-08-13 07:06:37,655 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5063572790845519 [2021-08-13 07:06:37,655 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1593 transitions. [2021-08-13 07:06:37,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1593 transitions. [2021-08-13 07:06:37,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:37,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1593 transitions. [2021-08-13 07:06:37,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 72.4090909090909) internal successors, (1593), 22 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:37,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:37,662 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:37,662 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 97 predicate places. [2021-08-13 07:06:37,662 INFO L482 AbstractCegarLoop]: Abstraction has has 228 places, 460 transitions, 5520 flow [2021-08-13 07:06:37,663 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:37,663 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:37,663 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:37,663 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-13 07:06:37,663 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:37,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:37,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1673175919, now seen corresponding path program 5 times [2021-08-13 07:06:37,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:37,664 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759222464] [2021-08-13 07:06:37,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:37,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:37,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:37,758 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:06:37,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:37,762 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:37,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:37,769 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:37,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:37,776 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:06:37,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:06:37,787 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:37,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:37,798 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:37,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:37,809 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:37,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:37,821 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:37,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:37,834 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:37,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:37,845 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:37,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:37,858 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 07:06:37,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:06:37,886 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 07:06:37,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:06:37,923 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 07:06:37,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:06:37,937 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:37,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:37,966 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:37,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:37,967 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:06:37,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:06:37,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:37,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:37,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:37,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:38,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:38,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:38,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:38,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:38,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:06:38,018 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:38,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759222464] [2021-08-13 07:06:38,018 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759222464] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:38,020 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:38,020 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:06:38,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111324633] [2021-08-13 07:06:38,021 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:06:38,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:38,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:06:38,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:06:38,022 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 07:06:38,023 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 460 transitions, 5520 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:38,023 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:38,023 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 07:06:38,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:39,362 INFO L129 PetriNetUnfolder]: 648/2022 cut-off events. [2021-08-13 07:06:39,363 INFO L130 PetriNetUnfolder]: For 5848/7630 co-relation queries the response was YES. [2021-08-13 07:06:39,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11982 conditions, 2022 events. 648/2022 cut-off events. For 5848/7630 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 14453 event pairs, 22 based on Foata normal form. 90/2078 useless extension candidates. Maximal degree in co-relation 8208. Up to 1076 conditions per place. [2021-08-13 07:06:39,374 INFO L132 encePairwiseOnDemand]: 116/143 looper letters, 348 selfloop transitions, 51 changer transitions 93/542 dead transitions. [2021-08-13 07:06:39,374 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 542 transitions, 7596 flow [2021-08-13 07:06:39,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 07:06:39,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 07:06:39,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1593 transitions. [2021-08-13 07:06:39,377 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5063572790845519 [2021-08-13 07:06:39,377 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1593 transitions. [2021-08-13 07:06:39,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1593 transitions. [2021-08-13 07:06:39,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:39,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1593 transitions. [2021-08-13 07:06:39,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 72.4090909090909) internal successors, (1593), 22 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:39,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:39,383 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:39,383 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 118 predicate places. [2021-08-13 07:06:39,383 INFO L482 AbstractCegarLoop]: Abstraction has has 249 places, 542 transitions, 7596 flow [2021-08-13 07:06:39,384 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:39,384 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:39,384 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:39,384 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-13 07:06:39,384 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:39,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:39,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1112396777, now seen corresponding path program 6 times [2021-08-13 07:06:39,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:39,385 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023522769] [2021-08-13 07:06:39,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:39,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:39,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:39,483 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:06:39,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:39,487 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:39,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:39,494 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:39,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:39,501 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:06:39,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:06:39,512 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:39,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:39,523 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:06:39,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:06:39,536 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:06:39,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:06:39,551 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:06:39,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:06:39,568 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:06:39,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:06:39,585 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:06:39,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:06:39,603 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:06:39,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:06:39,619 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:06:39,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:06:39,657 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:06:39,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:06:39,681 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:06:39,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:06:39,710 INFO L142 QuantifierPusher]: treesize reduction 49, result has 44.3 percent of original size [2021-08-13 07:06:39,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 07:06:39,769 INFO L142 QuantifierPusher]: treesize reduction 53, result has 50.0 percent of original size [2021-08-13 07:06:39,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-08-13 07:06:39,828 INFO L142 QuantifierPusher]: treesize reduction 53, result has 53.1 percent of original size [2021-08-13 07:06:39,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-08-13 07:06:39,849 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size [2021-08-13 07:06:39,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:06:39,873 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:39,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:39,893 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:39,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:39,907 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:39,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:39,907 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:06:39,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:06:39,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:39,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:39,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:39,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:39,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:39,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:39,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:39,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:39,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:06:39,957 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:39,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023522769] [2021-08-13 07:06:39,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023522769] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:39,957 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:39,957 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-08-13 07:06:39,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882440747] [2021-08-13 07:06:39,957 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-13 07:06:39,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:39,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-13 07:06:39,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=524, Unknown=0, NotChecked=0, Total=600 [2021-08-13 07:06:39,960 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 143 [2021-08-13 07:06:39,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 542 transitions, 7596 flow. Second operand has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:39,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:39,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 143 [2021-08-13 07:06:39,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:40,875 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2021-08-13 07:06:41,096 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2021-08-13 07:06:41,330 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-08-13 07:06:41,586 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2021-08-13 07:06:41,803 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2021-08-13 07:06:42,340 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 79 [2021-08-13 07:06:43,011 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2021-08-13 07:06:43,209 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2021-08-13 07:06:43,464 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 84 [2021-08-13 07:06:43,669 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 82 [2021-08-13 07:06:43,890 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2021-08-13 07:06:44,172 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2021-08-13 07:06:44,238 INFO L129 PetriNetUnfolder]: 2104/5205 cut-off events. [2021-08-13 07:06:44,238 INFO L130 PetriNetUnfolder]: For 34401/39984 co-relation queries the response was YES. [2021-08-13 07:06:44,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33251 conditions, 5205 events. 2104/5205 cut-off events. For 34401/39984 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 42358 event pairs, 4 based on Foata normal form. 178/5322 useless extension candidates. Maximal degree in co-relation 26206. Up to 2600 conditions per place. [2021-08-13 07:06:44,270 INFO L132 encePairwiseOnDemand]: 110/143 looper letters, 985 selfloop transitions, 98 changer transitions 117/1245 dead transitions. [2021-08-13 07:06:44,270 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 1245 transitions, 20552 flow [2021-08-13 07:06:44,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-13 07:06:44,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-08-13 07:06:44,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 1786 transitions. [2021-08-13 07:06:44,273 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.48036578805809577 [2021-08-13 07:06:44,273 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 1786 transitions. [2021-08-13 07:06:44,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 1786 transitions. [2021-08-13 07:06:44,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:44,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 1786 transitions. [2021-08-13 07:06:44,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 68.6923076923077) internal successors, (1786), 26 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:44,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 143.0) internal successors, (3861), 27 states have internal predecessors, (3861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:44,280 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 143.0) internal successors, (3861), 27 states have internal predecessors, (3861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:44,280 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 143 predicate places. [2021-08-13 07:06:44,280 INFO L482 AbstractCegarLoop]: Abstraction has has 274 places, 1245 transitions, 20552 flow [2021-08-13 07:06:44,281 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:44,281 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:44,281 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:44,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-13 07:06:44,281 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:44,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:44,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1254632279, now seen corresponding path program 7 times [2021-08-13 07:06:44,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:44,282 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659767601] [2021-08-13 07:06:44,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:44,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:44,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:44,377 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:06:44,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:44,381 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:44,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:44,388 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:44,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:44,397 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:06:44,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:06:44,409 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:44,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:44,419 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:44,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:44,432 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:44,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:44,444 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:44,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:44,457 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:44,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:44,474 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-08-13 07:06:44,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 07:06:44,501 INFO L142 QuantifierPusher]: treesize reduction 23, result has 66.2 percent of original size [2021-08-13 07:06:44,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 07:06:44,535 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size [2021-08-13 07:06:44,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-13 07:06:44,549 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:44,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:44,565 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:44,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:44,577 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:44,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:44,578 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:06:44,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:06:44,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:44,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:44,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:44,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:44,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:44,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:44,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:44,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:44,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:06:44,615 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:44,615 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659767601] [2021-08-13 07:06:44,615 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659767601] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:44,615 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:44,616 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:06:44,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940868449] [2021-08-13 07:06:44,616 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:06:44,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:44,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:06:44,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:06:44,618 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 07:06:44,625 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 1245 transitions, 20552 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:44,625 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:44,625 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 07:06:44,625 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:47,374 INFO L129 PetriNetUnfolder]: 3215/8127 cut-off events. [2021-08-13 07:06:47,374 INFO L130 PetriNetUnfolder]: For 49896/68018 co-relation queries the response was YES. [2021-08-13 07:06:47,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58764 conditions, 8127 events. 3215/8127 cut-off events. For 49896/68018 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 73987 event pairs, 15 based on Foata normal form. 189/8213 useless extension candidates. Maximal degree in co-relation 46008. Up to 4386 conditions per place. [2021-08-13 07:06:47,414 INFO L132 encePairwiseOnDemand]: 113/143 looper letters, 1362 selfloop transitions, 265 changer transitions 141/1921 dead transitions. [2021-08-13 07:06:47,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 1921 transitions, 36107 flow [2021-08-13 07:06:47,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 07:06:47,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 07:06:47,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1518 transitions. [2021-08-13 07:06:47,416 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5054945054945055 [2021-08-13 07:06:47,416 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1518 transitions. [2021-08-13 07:06:47,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1518 transitions. [2021-08-13 07:06:47,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:47,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1518 transitions. [2021-08-13 07:06:47,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 72.28571428571429) internal successors, (1518), 21 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:47,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 143.0) internal successors, (3146), 22 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:47,422 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 143.0) internal successors, (3146), 22 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:47,422 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 163 predicate places. [2021-08-13 07:06:47,422 INFO L482 AbstractCegarLoop]: Abstraction has has 294 places, 1921 transitions, 36107 flow [2021-08-13 07:06:47,422 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:47,422 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:47,422 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:47,423 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-13 07:06:47,423 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:47,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:47,424 INFO L82 PathProgramCache]: Analyzing trace with hash -968919607, now seen corresponding path program 8 times [2021-08-13 07:06:47,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:47,424 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572684578] [2021-08-13 07:06:47,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:47,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:47,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:47,513 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:06:47,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:47,518 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:47,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:47,524 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:47,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:47,531 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:06:47,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:06:47,542 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:47,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:47,552 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:47,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:47,563 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:47,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:47,577 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:47,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:47,587 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:47,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:47,598 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:47,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:47,611 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 07:06:47,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:06:47,638 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 07:06:47,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:06:47,669 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 07:06:47,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:06:47,685 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:47,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:47,699 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:06:47,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:06:47,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:47,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:47,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:47,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:47,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:47,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:47,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:47,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:47,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:06:47,740 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:47,740 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572684578] [2021-08-13 07:06:47,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572684578] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:47,741 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:47,741 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:06:47,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274253861] [2021-08-13 07:06:47,741 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:06:47,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:47,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:06:47,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:06:47,742 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 07:06:47,743 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 1921 transitions, 36107 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:47,743 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:47,743 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 07:06:47,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:51,454 INFO L129 PetriNetUnfolder]: 3222/8161 cut-off events. [2021-08-13 07:06:51,455 INFO L130 PetriNetUnfolder]: For 64692/79715 co-relation queries the response was YES. [2021-08-13 07:06:51,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65329 conditions, 8161 events. 3222/8161 cut-off events. For 64692/79715 co-relation queries the response was YES. Maximal size of possible extension queue 377. Compared 74555 event pairs, 44 based on Foata normal form. 170/8239 useless extension candidates. Maximal degree in co-relation 50581. Up to 4431 conditions per place. [2021-08-13 07:06:51,497 INFO L132 encePairwiseOnDemand]: 116/143 looper letters, 1627 selfloop transitions, 153 changer transitions 155/1985 dead transitions. [2021-08-13 07:06:51,497 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 1985 transitions, 41217 flow [2021-08-13 07:06:51,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 07:06:51,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 07:06:51,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1593 transitions. [2021-08-13 07:06:51,499 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5063572790845519 [2021-08-13 07:06:51,499 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1593 transitions. [2021-08-13 07:06:51,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1593 transitions. [2021-08-13 07:06:51,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:51,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1593 transitions. [2021-08-13 07:06:51,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 72.4090909090909) internal successors, (1593), 22 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:51,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:51,504 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:51,504 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 184 predicate places. [2021-08-13 07:06:51,504 INFO L482 AbstractCegarLoop]: Abstraction has has 315 places, 1985 transitions, 41217 flow [2021-08-13 07:06:51,504 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:51,504 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:51,505 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:51,505 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-13 07:06:51,505 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:51,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:51,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1941842217, now seen corresponding path program 9 times [2021-08-13 07:06:51,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:51,505 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135082825] [2021-08-13 07:06:51,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:51,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:51,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:51,589 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:06:51,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:51,593 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:51,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:51,599 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:51,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:51,606 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:06:51,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:06:51,617 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:51,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:51,627 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:06:51,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:06:51,641 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:06:51,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:06:51,656 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:06:51,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:06:51,686 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:06:51,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:06:51,705 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:06:51,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:06:51,725 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:06:51,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:06:51,742 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:06:51,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:06:51,761 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:06:51,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:06:51,780 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:06:51,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:06:51,802 INFO L142 QuantifierPusher]: treesize reduction 49, result has 44.3 percent of original size [2021-08-13 07:06:51,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 07:06:51,840 INFO L142 QuantifierPusher]: treesize reduction 49, result has 43.7 percent of original size [2021-08-13 07:06:51,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:06:51,874 INFO L142 QuantifierPusher]: treesize reduction 53, result has 52.7 percent of original size [2021-08-13 07:06:51,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-08-13 07:06:51,917 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 07:06:51,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:06:51,954 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:51,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:51,970 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:51,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:51,971 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:06:51,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:06:51,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:51,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:51,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:51,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:52,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:52,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:52,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:52,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:52,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:06:52,024 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:52,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135082825] [2021-08-13 07:06:52,024 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135082825] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:52,024 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:52,024 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-08-13 07:06:52,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109630125] [2021-08-13 07:06:52,025 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-13 07:06:52,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:52,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-13 07:06:52,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2021-08-13 07:06:52,026 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 143 [2021-08-13 07:06:52,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 1985 transitions, 41217 flow. Second operand has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:52,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:52,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 143 [2021-08-13 07:06:52,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:06:53,110 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2021-08-13 07:06:53,371 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2021-08-13 07:06:53,592 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2021-08-13 07:06:53,816 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2021-08-13 07:06:54,690 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2021-08-13 07:06:55,080 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2021-08-13 07:06:57,431 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2021-08-13 07:06:57,642 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2021-08-13 07:06:57,873 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 84 [2021-08-13 07:06:58,179 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 82 [2021-08-13 07:06:58,394 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2021-08-13 07:06:58,643 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2021-08-13 07:06:58,697 INFO L129 PetriNetUnfolder]: 3221/8276 cut-off events. [2021-08-13 07:06:58,697 INFO L130 PetriNetUnfolder]: For 73324/113219 co-relation queries the response was YES. [2021-08-13 07:06:58,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72354 conditions, 8276 events. 3221/8276 cut-off events. For 73324/113219 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 75439 event pairs, 60 based on Foata normal form. 531/8702 useless extension candidates. Maximal degree in co-relation 55861. Up to 4445 conditions per place. [2021-08-13 07:06:58,742 INFO L132 encePairwiseOnDemand]: 110/143 looper letters, 1656 selfloop transitions, 155 changer transitions 169/2025 dead transitions. [2021-08-13 07:06:58,742 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 2025 transitions, 46021 flow [2021-08-13 07:06:58,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-13 07:06:58,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-08-13 07:06:58,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 1852 transitions. [2021-08-13 07:06:58,744 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.47966847966847964 [2021-08-13 07:06:58,744 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 1852 transitions. [2021-08-13 07:06:58,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 1852 transitions. [2021-08-13 07:06:58,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:06:58,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 1852 transitions. [2021-08-13 07:06:58,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 68.5925925925926) internal successors, (1852), 27 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:58,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:58,750 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:58,750 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 210 predicate places. [2021-08-13 07:06:58,750 INFO L482 AbstractCegarLoop]: Abstraction has has 341 places, 2025 transitions, 46021 flow [2021-08-13 07:06:58,751 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:58,751 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:06:58,751 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:06:58,751 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-13 07:06:58,751 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:06:58,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:06:58,751 INFO L82 PathProgramCache]: Analyzing trace with hash -607753441, now seen corresponding path program 10 times [2021-08-13 07:06:58,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:06:58,751 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861569754] [2021-08-13 07:06:58,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:06:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:06:58,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:58,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:58,832 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:06:58,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:06:58,836 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:58,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:58,842 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:06:58,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:06:58,849 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:06:58,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:06:58,860 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:06:58,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:06:58,870 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:06:58,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:06:58,883 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:06:58,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:06:58,898 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:06:58,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:06:58,915 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:06:58,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:06:58,934 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:06:58,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:06:58,955 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:06:58,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:06:58,974 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:06:58,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:06:58,995 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:06:58,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:06:59,015 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:06:59,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:06:59,035 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:06:59,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:06:59,054 INFO L142 QuantifierPusher]: treesize reduction 49, result has 43.7 percent of original size [2021-08-13 07:06:59,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:06:59,092 INFO L142 QuantifierPusher]: treesize reduction 53, result has 52.7 percent of original size [2021-08-13 07:06:59,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-08-13 07:06:59,137 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 07:06:59,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:06:59,175 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:59,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:59,191 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:06:59,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:06:59,192 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:06:59,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:06:59,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:59,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:06:59,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:59,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:59,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:59,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:06:59,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:06:59,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:06:59,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:06:59,247 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:06:59,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861569754] [2021-08-13 07:06:59,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861569754] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:06:59,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:06:59,248 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-08-13 07:06:59,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676186930] [2021-08-13 07:06:59,248 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-13 07:06:59,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:06:59,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-13 07:06:59,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2021-08-13 07:06:59,250 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 143 [2021-08-13 07:06:59,251 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 2025 transitions, 46021 flow. Second operand has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:06:59,251 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:06:59,251 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 143 [2021-08-13 07:06:59,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:07:00,208 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2021-08-13 07:07:00,435 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2021-08-13 07:07:01,192 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-08-13 07:07:01,502 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-08-13 07:07:01,855 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2021-08-13 07:07:03,953 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2021-08-13 07:07:04,140 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2021-08-13 07:07:04,332 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2021-08-13 07:07:04,547 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2021-08-13 07:07:04,722 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-08-13 07:07:04,916 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2021-08-13 07:07:05,117 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2021-08-13 07:07:05,312 INFO L129 PetriNetUnfolder]: 3220/8352 cut-off events. [2021-08-13 07:07:05,312 INFO L130 PetriNetUnfolder]: For 82930/116319 co-relation queries the response was YES. [2021-08-13 07:07:05,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79406 conditions, 8352 events. 3220/8352 cut-off events. For 82930/116319 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 76581 event pairs, 52 based on Foata normal form. 441/8692 useless extension candidates. Maximal degree in co-relation 61052. Up to 4459 conditions per place. [2021-08-13 07:07:05,358 INFO L132 encePairwiseOnDemand]: 112/143 looper letters, 1734 selfloop transitions, 103 changer transitions 183/2065 dead transitions. [2021-08-13 07:07:05,359 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 2065 transitions, 50985 flow [2021-08-13 07:07:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-13 07:07:05,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-08-13 07:07:05,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 1857 transitions. [2021-08-13 07:07:05,368 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.48096348096348096 [2021-08-13 07:07:05,368 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 1857 transitions. [2021-08-13 07:07:05,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 1857 transitions. [2021-08-13 07:07:05,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:07:05,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 1857 transitions. [2021-08-13 07:07:05,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 68.77777777777777) internal successors, (1857), 27 states have internal predecessors, (1857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:05,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:05,377 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:05,377 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 236 predicate places. [2021-08-13 07:07:05,377 INFO L482 AbstractCegarLoop]: Abstraction has has 367 places, 2065 transitions, 50985 flow [2021-08-13 07:07:05,378 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:05,378 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:07:05,378 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:07:05,378 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-13 07:07:05,378 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:07:05,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:07:05,378 INFO L82 PathProgramCache]: Analyzing trace with hash 625194839, now seen corresponding path program 11 times [2021-08-13 07:07:05,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:07:05,378 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875974307] [2021-08-13 07:07:05,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:07:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:07:05,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:05,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:07:05,463 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:07:05,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:07:05,467 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:07:05,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:07:05,473 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:07:05,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:07:05,480 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:07:05,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:07:05,490 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:05,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:05,499 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:07:05,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:07:05,515 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:07:05,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:07:05,530 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:07:05,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:07:05,547 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:07:05,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:07:05,565 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:07:05,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:07:05,586 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:07:05,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:07:05,606 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:07:05,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:07:05,630 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:07:05,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:07:05,653 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:07:05,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:07:05,670 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:07:05,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:07:05,689 INFO L142 QuantifierPusher]: treesize reduction 49, result has 43.7 percent of original size [2021-08-13 07:07:05,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:07:05,725 INFO L142 QuantifierPusher]: treesize reduction 53, result has 52.7 percent of original size [2021-08-13 07:07:05,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-08-13 07:07:05,769 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 07:07:05,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:07:05,809 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:07:05,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:07:05,825 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:07:05,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:07:05,826 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:07:05,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:07:05,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:05,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:07:05,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:05,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:07:05,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:05,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:07:05,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:05,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:07:05,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:07:05,883 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:07:05,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875974307] [2021-08-13 07:07:05,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875974307] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:07:05,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:07:05,883 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-08-13 07:07:05,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196763899] [2021-08-13 07:07:05,884 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-13 07:07:05,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:07:05,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-13 07:07:05,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2021-08-13 07:07:05,885 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 143 [2021-08-13 07:07:05,886 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 2065 transitions, 50985 flow. Second operand has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:05,886 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:07:05,886 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 143 [2021-08-13 07:07:05,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:07:06,896 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2021-08-13 07:07:07,515 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-08-13 07:07:07,904 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-08-13 07:07:08,305 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-08-13 07:07:08,660 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2021-08-13 07:07:10,804 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2021-08-13 07:07:10,969 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2021-08-13 07:07:11,138 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2021-08-13 07:07:11,328 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2021-08-13 07:07:11,478 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-08-13 07:07:11,651 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2021-08-13 07:07:11,828 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2021-08-13 07:07:11,959 INFO L129 PetriNetUnfolder]: 3219/8428 cut-off events. [2021-08-13 07:07:11,959 INFO L130 PetriNetUnfolder]: For 93904/142703 co-relation queries the response was YES. [2021-08-13 07:07:11,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86543 conditions, 8428 events. 3219/8428 cut-off events. For 93904/142703 co-relation queries the response was YES. Maximal size of possible extension queue 371. Compared 77446 event pairs, 140 based on Foata normal form. 365/8698 useless extension candidates. Maximal degree in co-relation 66290. Up to 4473 conditions per place. [2021-08-13 07:07:12,007 INFO L132 encePairwiseOnDemand]: 112/143 looper letters, 1757 selfloop transitions, 106 changer transitions 197/2105 dead transitions. [2021-08-13 07:07:12,007 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 2105 transitions, 56109 flow [2021-08-13 07:07:12,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-13 07:07:12,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-08-13 07:07:12,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 1857 transitions. [2021-08-13 07:07:12,009 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.48096348096348096 [2021-08-13 07:07:12,009 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 1857 transitions. [2021-08-13 07:07:12,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 1857 transitions. [2021-08-13 07:07:12,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:07:12,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 1857 transitions. [2021-08-13 07:07:12,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 68.77777777777777) internal successors, (1857), 27 states have internal predecessors, (1857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:12,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:12,015 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:12,015 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 262 predicate places. [2021-08-13 07:07:12,015 INFO L482 AbstractCegarLoop]: Abstraction has has 393 places, 2105 transitions, 56109 flow [2021-08-13 07:07:12,015 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:12,015 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:07:12,015 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:07:12,015 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-13 07:07:12,016 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:07:12,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:07:12,016 INFO L82 PathProgramCache]: Analyzing trace with hash -55871417, now seen corresponding path program 12 times [2021-08-13 07:07:12,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:07:12,016 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980079964] [2021-08-13 07:07:12,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:07:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:07:12,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:12,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:07:12,101 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:07:12,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:07:12,104 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:07:12,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:07:12,110 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:07:12,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:07:12,117 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:07:12,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:07:12,126 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:12,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:12,140 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:07:12,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:07:12,153 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:07:12,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:07:12,168 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:07:12,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:07:12,185 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:07:12,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:07:12,204 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:07:12,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:07:12,225 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:07:12,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:07:12,245 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:07:12,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:07:12,265 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:07:12,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:07:12,284 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:07:12,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:07:12,302 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:07:12,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:07:12,323 INFO L142 QuantifierPusher]: treesize reduction 49, result has 43.7 percent of original size [2021-08-13 07:07:12,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:07:12,363 INFO L142 QuantifierPusher]: treesize reduction 53, result has 52.7 percent of original size [2021-08-13 07:07:12,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-08-13 07:07:12,408 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 07:07:12,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:07:12,445 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:07:12,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:07:12,467 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:07:12,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:07:12,468 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:07:12,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:07:12,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:12,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:07:12,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:12,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:07:12,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:12,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:07:12,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:12,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:07:12,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:07:12,521 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:07:12,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980079964] [2021-08-13 07:07:12,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980079964] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:07:12,521 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:07:12,521 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-08-13 07:07:12,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534820099] [2021-08-13 07:07:12,521 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-13 07:07:12,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:07:12,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-13 07:07:12,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2021-08-13 07:07:12,523 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 143 [2021-08-13 07:07:12,524 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 2105 transitions, 56109 flow. Second operand has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:12,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:07:12,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 143 [2021-08-13 07:07:12,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:07:13,995 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2021-08-13 07:07:14,238 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-08-13 07:07:14,631 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-08-13 07:07:14,958 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-08-13 07:07:15,311 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2021-08-13 07:07:17,554 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2021-08-13 07:07:17,706 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2021-08-13 07:07:17,876 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2021-08-13 07:07:18,170 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2021-08-13 07:07:18,328 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2021-08-13 07:07:18,480 INFO L129 PetriNetUnfolder]: 3218/8383 cut-off events. [2021-08-13 07:07:18,480 INFO L130 PetriNetUnfolder]: For 108795/178220 co-relation queries the response was YES. [2021-08-13 07:07:18,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93611 conditions, 8383 events. 3218/8383 cut-off events. For 108795/178220 co-relation queries the response was YES. Maximal size of possible extension queue 374. Compared 76433 event pairs, 53 based on Foata normal form. 216/8481 useless extension candidates. Maximal degree in co-relation 71413. Up to 4487 conditions per place. [2021-08-13 07:07:18,531 INFO L132 encePairwiseOnDemand]: 112/143 looper letters, 1779 selfloop transitions, 110 changer transitions 211/2145 dead transitions. [2021-08-13 07:07:18,531 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 2145 transitions, 61393 flow [2021-08-13 07:07:18,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-13 07:07:18,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-08-13 07:07:18,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 1857 transitions. [2021-08-13 07:07:18,533 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.48096348096348096 [2021-08-13 07:07:18,534 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 1857 transitions. [2021-08-13 07:07:18,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 1857 transitions. [2021-08-13 07:07:18,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:07:18,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 1857 transitions. [2021-08-13 07:07:18,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 68.77777777777777) internal successors, (1857), 27 states have internal predecessors, (1857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:18,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:18,539 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:18,539 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 288 predicate places. [2021-08-13 07:07:18,539 INFO L482 AbstractCegarLoop]: Abstraction has has 419 places, 2145 transitions, 61393 flow [2021-08-13 07:07:18,539 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:18,539 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:07:18,539 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:07:18,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-13 07:07:18,540 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:07:18,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:07:18,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1772017181, now seen corresponding path program 13 times [2021-08-13 07:07:18,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:07:18,540 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935253] [2021-08-13 07:07:18,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:07:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:07:18,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:18,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:07:18,617 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:07:18,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:07:18,620 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:07:18,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:07:18,626 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:07:18,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:07:18,633 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:07:18,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:07:18,642 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:18,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:18,652 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:07:18,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:07:18,666 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:07:18,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:07:18,681 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:07:18,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:07:18,696 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:07:18,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:07:18,712 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:07:18,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:07:18,730 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:07:18,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:07:18,746 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:07:18,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:07:18,761 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:07:18,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:07:18,777 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:07:18,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:07:18,793 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:07:18,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:07:18,815 INFO L142 QuantifierPusher]: treesize reduction 49, result has 43.7 percent of original size [2021-08-13 07:07:18,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:07:18,854 INFO L142 QuantifierPusher]: treesize reduction 53, result has 52.7 percent of original size [2021-08-13 07:07:18,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-08-13 07:07:18,904 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 07:07:18,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:07:18,944 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:07:18,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:07:18,960 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:07:18,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:07:18,961 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:07:18,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:07:18,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:18,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:07:18,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:18,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:07:19,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:19,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:07:19,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:19,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:07:19,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:07:19,020 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:07:19,020 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935253] [2021-08-13 07:07:19,020 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935253] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:07:19,020 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:07:19,021 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-08-13 07:07:19,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583403922] [2021-08-13 07:07:19,021 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-13 07:07:19,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:07:19,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-13 07:07:19,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2021-08-13 07:07:19,022 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 143 [2021-08-13 07:07:19,023 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 2145 transitions, 61393 flow. Second operand has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:19,023 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:07:19,023 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 143 [2021-08-13 07:07:19,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:07:20,710 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-08-13 07:07:21,093 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-08-13 07:07:21,424 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-08-13 07:07:21,780 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2021-08-13 07:07:24,959 INFO L129 PetriNetUnfolder]: 3217/8471 cut-off events. [2021-08-13 07:07:24,959 INFO L130 PetriNetUnfolder]: For 121308/174051 co-relation queries the response was YES. [2021-08-13 07:07:24,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100901 conditions, 8471 events. 3217/8471 cut-off events. For 121308/174051 co-relation queries the response was YES. Maximal size of possible extension queue 376. Compared 77691 event pairs, 69 based on Foata normal form. 231/8593 useless extension candidates. Maximal degree in co-relation 76632. Up to 4501 conditions per place. [2021-08-13 07:07:25,014 INFO L132 encePairwiseOnDemand]: 112/143 looper letters, 1800 selfloop transitions, 115 changer transitions 225/2185 dead transitions. [2021-08-13 07:07:25,014 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 2185 transitions, 66837 flow [2021-08-13 07:07:25,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-13 07:07:25,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-08-13 07:07:25,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 1851 transitions. [2021-08-13 07:07:25,023 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4794094794094794 [2021-08-13 07:07:25,023 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 1851 transitions. [2021-08-13 07:07:25,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 1851 transitions. [2021-08-13 07:07:25,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:07:25,024 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 1851 transitions. [2021-08-13 07:07:25,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 68.55555555555556) internal successors, (1851), 27 states have internal predecessors, (1851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:25,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:25,029 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 143.0) internal successors, (4004), 28 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:25,029 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 314 predicate places. [2021-08-13 07:07:25,029 INFO L482 AbstractCegarLoop]: Abstraction has has 445 places, 2185 transitions, 66837 flow [2021-08-13 07:07:25,029 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:25,029 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:07:25,029 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:07:25,030 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-13 07:07:25,030 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:07:25,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:07:25,030 INFO L82 PathProgramCache]: Analyzing trace with hash 513691183, now seen corresponding path program 14 times [2021-08-13 07:07:25,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:07:25,030 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680765764] [2021-08-13 07:07:25,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:07:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:07:25,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:25,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:07:25,105 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:07:25,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:07:25,109 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:07:25,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:07:25,115 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:07:25,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:07:25,123 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:07:25,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:07:25,134 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:25,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:25,144 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:25,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:25,154 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:25,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:25,165 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:25,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:25,178 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:07:25,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:07:25,188 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:07:25,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:07:25,199 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 07:07:25,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:07:25,224 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 07:07:25,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:07:25,253 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 07:07:25,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:07:25,264 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:07:25,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:07:25,275 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:07:25,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:07:25,276 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:07:25,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:07:25,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:25,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:07:25,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:25,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:07:25,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:25,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:07:25,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:25,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:07:25,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:07:25,315 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:07:25,315 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680765764] [2021-08-13 07:07:25,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680765764] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:07:25,315 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:07:25,315 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:07:25,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475965713] [2021-08-13 07:07:25,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:07:25,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:07:25,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:07:25,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:07:25,317 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 07:07:25,318 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 2185 transitions, 66837 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:25,318 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:07:25,318 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 07:07:25,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:07:26,321 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-08-13 07:07:31,003 INFO L129 PetriNetUnfolder]: 4654/12873 cut-off events. [2021-08-13 07:07:31,004 INFO L130 PetriNetUnfolder]: For 225587/286958 co-relation queries the response was YES. [2021-08-13 07:07:31,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158519 conditions, 12873 events. 4654/12873 cut-off events. For 225587/286958 co-relation queries the response was YES. Maximal size of possible extension queue 587. Compared 132115 event pairs, 40 based on Foata normal form. 170/12891 useless extension candidates. Maximal degree in co-relation 119442. Up to 6832 conditions per place. [2021-08-13 07:07:31,088 INFO L132 encePairwiseOnDemand]: 116/143 looper letters, 2570 selfloop transitions, 249 changer transitions 305/3277 dead transitions. [2021-08-13 07:07:31,089 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 3277 transitions, 107685 flow [2021-08-13 07:07:31,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 07:07:31,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 07:07:31,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1594 transitions. [2021-08-13 07:07:31,090 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5066751430387794 [2021-08-13 07:07:31,090 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1594 transitions. [2021-08-13 07:07:31,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1594 transitions. [2021-08-13 07:07:31,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:07:31,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1594 transitions. [2021-08-13 07:07:31,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 72.45454545454545) internal successors, (1594), 22 states have internal predecessors, (1594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:31,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:31,094 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:31,094 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 335 predicate places. [2021-08-13 07:07:31,094 INFO L482 AbstractCegarLoop]: Abstraction has has 466 places, 3277 transitions, 107685 flow [2021-08-13 07:07:31,095 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:31,095 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:07:31,095 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:07:31,095 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-13 07:07:31,095 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:07:31,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:07:31,095 INFO L82 PathProgramCache]: Analyzing trace with hash -11149479, now seen corresponding path program 15 times [2021-08-13 07:07:31,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:07:31,096 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581894975] [2021-08-13 07:07:31,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:07:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:07:31,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:31,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:07:31,173 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:07:31,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:07:31,176 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:07:31,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:07:31,182 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:07:31,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:07:31,189 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:07:31,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:07:31,198 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:31,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:31,212 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:31,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:31,222 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:31,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:31,234 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:31,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:31,247 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:31,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:31,262 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-08-13 07:07:31,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 07:07:31,292 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 07:07:31,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:07:31,319 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 07:07:31,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:07:31,353 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 07:07:31,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:07:31,364 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:07:31,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:07:31,376 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:07:31,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:07:31,376 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:07:31,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:07:31,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:31,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:07:31,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:31,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:07:31,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:31,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:07:31,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:31,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:07:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:07:31,413 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:07:31,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581894975] [2021-08-13 07:07:31,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581894975] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:07:31,413 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:07:31,413 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:07:31,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400492758] [2021-08-13 07:07:31,413 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:07:31,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:07:31,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:07:31,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:07:31,415 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 07:07:31,415 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 3277 transitions, 107685 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:31,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:07:31,415 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 07:07:31,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:07:32,502 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-08-13 07:07:43,456 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-08-13 07:07:44,506 INFO L129 PetriNetUnfolder]: 5222/15324 cut-off events. [2021-08-13 07:07:44,506 INFO L130 PetriNetUnfolder]: For 320037/414886 co-relation queries the response was YES. [2021-08-13 07:07:44,524 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197285 conditions, 15324 events. 5222/15324 cut-off events. For 320037/414886 co-relation queries the response was YES. Maximal size of possible extension queue 697. Compared 167077 event pairs, 46 based on Foata normal form. 525/15662 useless extension candidates. Maximal degree in co-relation 142066. Up to 8134 conditions per place. [2021-08-13 07:07:44,607 INFO L132 encePairwiseOnDemand]: 113/143 looper letters, 2893 selfloop transitions, 634 changer transitions 397/4077 dead transitions. [2021-08-13 07:07:44,607 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 487 places, 4077 transitions, 142461 flow [2021-08-13 07:07:44,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 07:07:44,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 07:07:44,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1608 transitions. [2021-08-13 07:07:44,609 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5111252383979656 [2021-08-13 07:07:44,609 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1608 transitions. [2021-08-13 07:07:44,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1608 transitions. [2021-08-13 07:07:44,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:07:44,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1608 transitions. [2021-08-13 07:07:44,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 73.0909090909091) internal successors, (1608), 22 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:44,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:44,613 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:44,613 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 356 predicate places. [2021-08-13 07:07:44,613 INFO L482 AbstractCegarLoop]: Abstraction has has 487 places, 4077 transitions, 142461 flow [2021-08-13 07:07:44,614 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:44,614 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:07:44,614 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:07:44,614 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-13 07:07:44,614 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:07:44,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:07:44,614 INFO L82 PathProgramCache]: Analyzing trace with hash 145624465, now seen corresponding path program 16 times [2021-08-13 07:07:44,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:07:44,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773202466] [2021-08-13 07:07:44,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:07:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:07:44,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:44,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:07:44,694 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:07:44,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:07:44,697 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:07:44,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:07:44,704 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:07:44,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:07:44,711 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:07:44,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:07:44,721 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:44,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:44,731 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:44,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:44,743 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:07:44,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:07:44,754 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:07:44,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:07:44,764 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:07:44,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:07:44,774 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:07:44,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:07:44,787 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 07:07:44,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:07:44,811 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 07:07:44,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:07:44,841 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 07:07:44,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:07:44,865 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:07:44,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:07:44,885 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:07:44,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:07:44,886 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:07:44,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:07:44,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:44,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:07:44,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:44,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:07:44,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:44,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:07:44,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:07:44,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:07:44,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:07:44,931 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:07:44,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773202466] [2021-08-13 07:07:44,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773202466] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:07:44,931 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:07:44,931 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:07:44,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230838275] [2021-08-13 07:07:44,931 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:07:44,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:07:44,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:07:44,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:07:44,933 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 07:07:44,933 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 4077 transitions, 142461 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:07:44,933 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:07:44,933 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 07:07:44,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:08:07,230 INFO L129 PetriNetUnfolder]: 6160/18034 cut-off events. [2021-08-13 07:08:07,230 INFO L130 PetriNetUnfolder]: For 421794/488792 co-relation queries the response was YES. [2021-08-13 07:08:07,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 244746 conditions, 18034 events. 6160/18034 cut-off events. For 421794/488792 co-relation queries the response was YES. Maximal size of possible extension queue 821. Compared 201907 event pairs, 40 based on Foata normal form. 156/17974 useless extension candidates. Maximal degree in co-relation 176683. Up to 9544 conditions per place. [2021-08-13 07:08:07,351 INFO L132 encePairwiseOnDemand]: 116/143 looper letters, 3861 selfloop transitions, 363 changer transitions 477/4854 dead transitions. [2021-08-13 07:08:07,351 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 4854 transitions, 179571 flow [2021-08-13 07:08:07,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 07:08:07,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 07:08:07,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1592 transitions. [2021-08-13 07:08:07,353 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5060394151303242 [2021-08-13 07:08:07,353 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1592 transitions. [2021-08-13 07:08:07,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1592 transitions. [2021-08-13 07:08:07,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:08:07,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1592 transitions. [2021-08-13 07:08:07,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 72.36363636363636) internal successors, (1592), 22 states have internal predecessors, (1592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:08:07,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:08:07,357 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 143.0) internal successors, (3289), 23 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:08:07,357 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 377 predicate places. [2021-08-13 07:08:07,357 INFO L482 AbstractCegarLoop]: Abstraction has has 508 places, 4854 transitions, 179571 flow [2021-08-13 07:08:07,357 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:08:07,357 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:08:07,357 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:08:07,357 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-13 07:08:07,357 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:08:07,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:08:07,358 INFO L82 PathProgramCache]: Analyzing trace with hash 2011478289, now seen corresponding path program 17 times [2021-08-13 07:08:07,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:08:07,358 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930070751] [2021-08-13 07:08:07,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:08:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:08:07,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:08:07,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:08:07,431 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:08:07,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:08:07,434 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:08:07,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:08:07,440 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:08:07,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:08:07,447 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:08:07,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:08:07,457 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:08:07,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:08:07,470 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:08:07,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:08:07,484 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:08:07,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:08:07,499 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:08:07,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:08:07,516 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:08:07,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:08:07,535 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:08:07,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:08:07,556 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:08:07,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:08:07,578 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:08:07,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:08:07,600 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:08:07,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:08:07,622 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:08:07,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:08:07,647 INFO L142 QuantifierPusher]: treesize reduction 49, result has 44.3 percent of original size [2021-08-13 07:08:07,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 07:08:07,688 INFO L142 QuantifierPusher]: treesize reduction 53, result has 53.1 percent of original size [2021-08-13 07:08:07,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-08-13 07:08:07,739 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size [2021-08-13 07:08:07,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-13 07:08:07,783 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:08:07,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:08:07,804 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:08:07,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:08:07,818 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:08:07,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:08:07,818 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:08:07,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:08:07,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:08:07,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:08:07,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:08:07,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:08:07,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:08:07,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:08:07,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:08:07,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:08:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:08:07,866 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:08:07,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930070751] [2021-08-13 07:08:07,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930070751] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:08:07,866 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:08:07,866 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-08-13 07:08:07,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131673585] [2021-08-13 07:08:07,867 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-13 07:08:07,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:08:07,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-13 07:08:07,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2021-08-13 07:08:07,868 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 143 [2021-08-13 07:08:07,869 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 4854 transitions, 179571 flow. Second operand has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:08:07,869 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:08:07,869 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 143 [2021-08-13 07:08:07,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:08:09,144 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2021-08-13 07:08:09,530 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2021-08-13 07:08:09,863 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2021-08-13 07:08:10,169 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2021-08-13 07:08:18,529 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 78 [2021-08-13 07:09:05,357 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2021-08-13 07:09:05,761 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2021-08-13 07:09:06,472 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2021-08-13 07:09:06,979 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2021-08-13 07:09:07,267 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-08-13 07:09:08,193 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2021-08-13 07:09:08,551 INFO L129 PetriNetUnfolder]: 10763/30911 cut-off events. [2021-08-13 07:09:08,551 INFO L130 PetriNetUnfolder]: For 784978/955535 co-relation queries the response was YES. [2021-08-13 07:09:08,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 436247 conditions, 30911 events. 10763/30911 cut-off events. For 784978/955535 co-relation queries the response was YES. Maximal size of possible extension queue 1488. Compared 381508 event pairs, 83 based on Foata normal form. 910/31512 useless extension candidates. Maximal degree in co-relation 331279. Up to 16627 conditions per place. [2021-08-13 07:09:08,895 INFO L132 encePairwiseOnDemand]: 110/143 looper letters, 6617 selfloop transitions, 515 changer transitions 515/7692 dead transitions. [2021-08-13 07:09:08,895 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 7692 transitions, 300029 flow [2021-08-13 07:09:08,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-13 07:09:08,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-08-13 07:09:08,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 1793 transitions. [2021-08-13 07:09:08,897 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4822485207100592 [2021-08-13 07:09:08,897 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 1793 transitions. [2021-08-13 07:09:08,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 1793 transitions. [2021-08-13 07:09:08,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:09:08,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 1793 transitions. [2021-08-13 07:09:08,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 68.96153846153847) internal successors, (1793), 26 states have internal predecessors, (1793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:09:08,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 143.0) internal successors, (3861), 27 states have internal predecessors, (3861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:09:08,902 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 143.0) internal successors, (3861), 27 states have internal predecessors, (3861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:09:08,902 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 402 predicate places. [2021-08-13 07:09:08,902 INFO L482 AbstractCegarLoop]: Abstraction has has 533 places, 7692 transitions, 300029 flow [2021-08-13 07:09:08,902 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:09:08,902 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:09:08,902 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:09:08,902 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-13 07:09:08,902 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:09:08,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:09:08,903 INFO L82 PathProgramCache]: Analyzing trace with hash 145820251, now seen corresponding path program 18 times [2021-08-13 07:09:08,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:09:08,903 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055826615] [2021-08-13 07:09:08,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:09:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:09:08,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:09:08,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:09:08,970 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:09:08,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:09:08,973 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:09:08,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:09:08,979 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:09:08,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:09:08,985 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:09:08,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:09:08,999 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:09:09,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:09:09,010 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:09:09,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:09:09,021 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:09:09,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:09:09,030 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:09:09,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:09:09,040 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:09:09,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:09:09,052 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:09:09,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:09:09,065 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-08-13 07:09:09,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:09:09,095 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-08-13 07:09:09,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:09:09,131 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-08-13 07:09:09,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 07:09:09,145 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:09:09,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:09:09,158 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:09:09,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:09:09,159 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:09:09,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:09:09,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:09:09,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:09:09,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:09:09,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:09:09,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:09:09,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:09:09,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:09:09,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:09:09,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:09:09,206 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:09:09,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055826615] [2021-08-13 07:09:09,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055826615] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:09:09,206 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:09:09,206 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:09:09,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952468727] [2021-08-13 07:09:09,207 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:09:09,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:09:09,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:09:09,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:09:09,208 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 143 [2021-08-13 07:09:09,209 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 533 places, 7692 transitions, 300029 flow. Second operand has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:09:09,209 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:09:09,209 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 143 [2021-08-13 07:09:09,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:11:36,839 INFO L129 PetriNetUnfolder]: 10775/31147 cut-off events. [2021-08-13 07:11:36,840 INFO L130 PetriNetUnfolder]: For 856903/1021315 co-relation queries the response was YES. [2021-08-13 07:11:36,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 459490 conditions, 31147 events. 10775/31147 cut-off events. For 856903/1021315 co-relation queries the response was YES. Maximal size of possible extension queue 1497. Compared 385192 event pairs, 85 based on Foata normal form. 236/31093 useless extension candidates. Maximal degree in co-relation 347857. Up to 16713 conditions per place. [2021-08-13 07:11:37,096 INFO L132 encePairwiseOnDemand]: 117/143 looper letters, 6634 selfloop transitions, 436 changer transitions 525/7820 dead transitions. [2021-08-13 07:11:37,097 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 553 places, 7820 transitions, 320179 flow [2021-08-13 07:11:37,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 07:11:37,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 07:11:37,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1495 transitions. [2021-08-13 07:11:37,098 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.49783549783549785 [2021-08-13 07:11:37,098 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1495 transitions. [2021-08-13 07:11:37,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1495 transitions. [2021-08-13 07:11:37,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:11:37,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1495 transitions. [2021-08-13 07:11:37,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 71.19047619047619) internal successors, (1495), 21 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:11:37,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 143.0) internal successors, (3146), 22 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:11:37,102 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 143.0) internal successors, (3146), 22 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:11:37,102 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 422 predicate places. [2021-08-13 07:11:37,102 INFO L482 AbstractCegarLoop]: Abstraction has has 553 places, 7820 transitions, 320179 flow [2021-08-13 07:11:37,102 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 66.47368421052632) internal successors, (1263), 19 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:11:37,102 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:11:37,102 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:11:37,103 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-13 07:11:37,103 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:11:37,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:11:37,103 INFO L82 PathProgramCache]: Analyzing trace with hash 257084661, now seen corresponding path program 19 times [2021-08-13 07:11:37,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:11:37,103 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322334994] [2021-08-13 07:11:37,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:11:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:11:37,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:11:37,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:11:37,175 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:11:37,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:11:37,178 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:11:37,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:11:37,184 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:11:37,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:11:37,190 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:11:37,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:11:37,200 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:11:37,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:11:37,210 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:11:37,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:11:37,222 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:11:37,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:11:37,236 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:11:37,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:11:37,250 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:11:37,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:11:37,268 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:11:37,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:11:37,289 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:11:37,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:11:37,311 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:11:37,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:11:37,437 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:11:37,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:11:37,459 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:11:37,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:11:37,482 INFO L142 QuantifierPusher]: treesize reduction 49, result has 44.3 percent of original size [2021-08-13 07:11:37,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 07:11:37,520 INFO L142 QuantifierPusher]: treesize reduction 53, result has 53.1 percent of original size [2021-08-13 07:11:37,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-08-13 07:11:37,568 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size [2021-08-13 07:11:37,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-13 07:11:37,609 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:11:37,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:11:37,629 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:11:37,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:11:37,642 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:11:37,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:11:37,643 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:11:37,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:11:37,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:11:37,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:11:37,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:11:37,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:11:37,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:11:37,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:11:37,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:11:37,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:11:37,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:11:37,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:11:37,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322334994] [2021-08-13 07:11:37,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322334994] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:11:37,687 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:11:37,687 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-08-13 07:11:37,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666571905] [2021-08-13 07:11:37,687 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-13 07:11:37,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:11:37,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-13 07:11:37,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2021-08-13 07:11:37,689 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 143 [2021-08-13 07:11:37,690 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 553 places, 7820 transitions, 320179 flow. Second operand has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:11:37,690 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:11:37,690 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 143 [2021-08-13 07:11:37,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:11:39,364 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2021-08-13 07:11:40,240 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2021-08-13 07:11:40,756 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2021-08-13 07:11:41,314 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2021-08-13 07:12:09,060 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 78 [2021-08-13 07:15:11,831 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2021-08-13 07:15:12,687 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2021-08-13 07:15:14,284 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2021-08-13 07:15:15,429 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2021-08-13 07:15:15,856 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-08-13 07:15:18,344 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2021-08-13 07:15:19,078 INFO L129 PetriNetUnfolder]: 12023/35008 cut-off events. [2021-08-13 07:15:19,078 INFO L130 PetriNetUnfolder]: For 1045326/1234933 co-relation queries the response was YES. [2021-08-13 07:15:19,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 540315 conditions, 35008 events. 12023/35008 cut-off events. For 1045326/1234933 co-relation queries the response was YES. Maximal size of possible extension queue 1719. Compared 442517 event pairs, 114 based on Foata normal form. 1264/35961 useless extension candidates. Maximal degree in co-relation 412843. Up to 18893 conditions per place. [2021-08-13 07:15:19,388 INFO L132 encePairwiseOnDemand]: 110/143 looper letters, 7545 selfloop transitions, 651 changer transitions 563/8804 dead transitions. [2021-08-13 07:15:19,389 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 578 places, 8804 transitions, 377281 flow [2021-08-13 07:15:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-13 07:15:19,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-08-13 07:15:19,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 1776 transitions. [2021-08-13 07:15:19,390 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4776761699838623 [2021-08-13 07:15:19,390 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 1776 transitions. [2021-08-13 07:15:19,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 1776 transitions. [2021-08-13 07:15:19,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:15:19,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 1776 transitions. [2021-08-13 07:15:19,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 68.3076923076923) internal successors, (1776), 26 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:19,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 143.0) internal successors, (3861), 27 states have internal predecessors, (3861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:19,394 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 143.0) internal successors, (3861), 27 states have internal predecessors, (3861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:19,394 INFO L348 CegarLoopForPetriNet]: 131 programPoint places, 447 predicate places. [2021-08-13 07:15:19,395 INFO L482 AbstractCegarLoop]: Abstraction has has 578 places, 8804 transitions, 377281 flow [2021-08-13 07:15:19,395 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:19,395 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:15:19,395 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:15:19,395 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-13 07:15:19,395 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 07:15:19,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:15:19,395 INFO L82 PathProgramCache]: Analyzing trace with hash 2032572725, now seen corresponding path program 20 times [2021-08-13 07:15:19,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:15:19,396 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761323124] [2021-08-13 07:15:19,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:15:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:15:19,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:19,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:15:19,466 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-08-13 07:15:19,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 07:15:19,470 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:15:19,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:15:19,476 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 07:15:19,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:15:19,482 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 07:15:19,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 07:15:19,493 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:15:19,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:15:19,502 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:15:19,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:15:19,519 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:15:19,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:15:19,534 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:15:19,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:15:19,551 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:15:19,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:15:19,570 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:15:19,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:15:19,589 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-08-13 07:15:19,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 07:15:19,609 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:15:19,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:15:19,630 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:15:19,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:15:19,650 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-13 07:15:19,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:15:19,671 INFO L142 QuantifierPusher]: treesize reduction 49, result has 44.3 percent of original size [2021-08-13 07:15:19,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 07:15:19,708 INFO L142 QuantifierPusher]: treesize reduction 53, result has 53.1 percent of original size [2021-08-13 07:15:19,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-08-13 07:15:19,756 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size [2021-08-13 07:15:19,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-13 07:15:19,802 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-08-13 07:15:19,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 07:15:19,820 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:15:19,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:15:19,833 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-08-13 07:15:19,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:15:19,834 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-08-13 07:15:19,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:15:19,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:19,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:15:19,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:19,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:15:19,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:19,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 07:15:19,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:19,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:15:19,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:15:19,882 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:15:19,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761323124] [2021-08-13 07:15:19,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761323124] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:15:19,882 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:15:19,882 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-08-13 07:15:19,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328197537] [2021-08-13 07:15:19,882 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-13 07:15:19,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:15:19,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-13 07:15:19,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2021-08-13 07:15:19,884 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 143 [2021-08-13 07:15:19,885 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 578 places, 8804 transitions, 377281 flow. Second operand has 25 states, 25 states have (on average 61.08) internal successors, (1527), 25 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:19,885 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:15:19,885 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 143 [2021-08-13 07:15:19,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:15:20,386 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2021-08-13 07:15:21,956 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2021-08-13 07:15:23,197 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2021-08-13 07:15:24,119 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2021-08-13 07:15:25,170 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 Received shutdown request... [2021-08-13 07:15:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-13 07:15:38,019 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-13 07:15:38,019 WARN L547 AbstractCegarLoop]: Verification canceled [2021-08-13 07:15:38,021 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 07:15:38,022 WARN L188 ceAbstractionStarter]: Timeout [2021-08-13 07:15:38,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 07:15:38 BasicIcfg [2021-08-13 07:15:38,023 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 07:15:38,023 INFO L168 Benchmark]: Toolchain (without parser) took 550546.81 ms. Allocated memory was 185.6 MB in the beginning and 2.4 GB in the end (delta: 2.3 GB). Free memory was 146.9 MB in the beginning and 1.1 GB in the end (delta: -916.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2021-08-13 07:15:38,023 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 185.6 MB. Free memory is still 166.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 07:15:38,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.65 ms. Allocated memory was 185.6 MB in the beginning and 223.3 MB in the end (delta: 37.7 MB). Free memory was 146.7 MB in the beginning and 157.0 MB in the end (delta: -10.3 MB). Peak memory consumption was 65.4 MB. Max. memory is 8.0 GB. [2021-08-13 07:15:38,024 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.34 ms. Allocated memory is still 223.3 MB. Free memory was 157.0 MB in the beginning and 153.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-13 07:15:38,024 INFO L168 Benchmark]: Boogie Preprocessor took 29.73 ms. Allocated memory is still 223.3 MB. Free memory was 153.9 MB in the beginning and 151.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-13 07:15:38,024 INFO L168 Benchmark]: RCFGBuilder took 536.62 ms. Allocated memory is still 223.3 MB. Free memory was 151.3 MB in the beginning and 104.1 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. [2021-08-13 07:15:38,024 INFO L168 Benchmark]: TraceAbstraction took 549138.30 ms. Allocated memory was 223.3 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 103.6 MB in the beginning and 1.1 GB in the end (delta: -960.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2021-08-13 07:15:38,025 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 185.6 MB. Free memory is still 166.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 797.65 ms. Allocated memory was 185.6 MB in the beginning and 223.3 MB in the end (delta: 37.7 MB). Free memory was 146.7 MB in the beginning and 157.0 MB in the end (delta: -10.3 MB). Peak memory consumption was 65.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 40.34 ms. Allocated memory is still 223.3 MB. Free memory was 157.0 MB in the beginning and 153.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 29.73 ms. Allocated memory is still 223.3 MB. Free memory was 153.9 MB in the beginning and 151.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 536.62 ms. Allocated memory is still 223.3 MB. Free memory was 151.3 MB in the beginning and 104.1 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 549138.30 ms. Allocated memory was 223.3 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 103.6 MB in the beginning and 1.1 GB in the end (delta: -960.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (25states, 59/143 universal loopers) in iteration 23,while PetriNetUnfolder was constructing finite prefix that currently has 38810 conditions, 2299 events (1003/2298 cut-off events. For 91439/221216 co-relation queries the response was YES. Maximal size of possible extension queue 620. Compared 21745 event pairs, 2 based on Foata normal form. 338/3184 useless extension candidates. Maximal degree in co-relation 37962. Up to 1156 conditions per place.). - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (25states, 59/143 universal loopers) in iteration 23,while PetriNetUnfolder was constructing finite prefix that currently has 38810 conditions, 2299 events (1003/2298 cut-off events. For 91439/221216 co-relation queries the response was YES. Maximal size of possible extension queue 620. Compared 21745 event pairs, 2 based on Foata normal form. 338/3184 useless extension candidates. Maximal degree in co-relation 37962. Up to 1156 conditions per place.). - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (25states, 59/143 universal loopers) in iteration 23,while PetriNetUnfolder was constructing finite prefix that currently has 38810 conditions, 2299 events (1003/2298 cut-off events. For 91439/221216 co-relation queries the response was YES. Maximal size of possible extension queue 620. Compared 21745 event pairs, 2 based on Foata normal form. 338/3184 useless extension candidates. Maximal degree in co-relation 37962. Up to 1156 conditions per place.). - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (25states, 59/143 universal loopers) in iteration 23,while PetriNetUnfolder was constructing finite prefix that currently has 38810 conditions, 2299 events (1003/2298 cut-off events. For 91439/221216 co-relation queries the response was YES. Maximal size of possible extension queue 620. Compared 21745 event pairs, 2 based on Foata normal form. 338/3184 useless extension candidates. Maximal degree in co-relation 37962. Up to 1156 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 148 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 14.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 549034.0ms, OverallIterations: 23, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 539729.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 63.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2206 SDtfs, 10617 SDslu, 17189 SDs, 0 SdLazy, 19377 SolverSat, 1087 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9321.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 873 GetRequests, 64 SyntacticMatches, 13 SemanticMatches, 796 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3617 ImplicationChecksByTransitivity, 35671.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=377281occurred in iteration=22, InterpolantAutomatonStates: 483, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 48.7ms SsaConstructionTime, 419.1ms SatisfiabilityAnalysisTime, 8420.8ms InterpolantComputationTime, 2048 NumberOfCodeBlocks, 2048 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2025 ConstructedInterpolants, 0 QuantifiedInterpolants, 27334 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 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