./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae5f22-91bd-4dea-85dd-ec6a4f72d61d/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae5f22-91bd-4dea-85dd-ec6a4f72d61d/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae5f22-91bd-4dea-85dd-ec6a4f72d61d/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae5f22-91bd-4dea-85dd-ec6a4f72d61d/bin/uautomizer-AkOaLMaTGY/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae5f22-91bd-4dea-85dd-ec6a4f72d61d/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae5f22-91bd-4dea-85dd-ec6a4f72d61d/bin/uautomizer-AkOaLMaTGY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7850c8f92b7e0b0b866687e8f3ea719169cacbc5985a977f15b280bf9bb53b5b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 07:39:31,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 07:39:31,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 07:39:31,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 07:39:31,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 07:39:31,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 07:39:31,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 07:39:31,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 07:39:31,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 07:39:31,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 07:39:31,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 07:39:31,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 07:39:31,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 07:39:31,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 07:39:31,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 07:39:31,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 07:39:31,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 07:39:31,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 07:39:31,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 07:39:31,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 07:39:31,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 07:39:31,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 07:39:31,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 07:39:31,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 07:39:31,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 07:39:31,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 07:39:31,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 07:39:31,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 07:39:31,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 07:39:31,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 07:39:31,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 07:39:31,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 07:39:31,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 07:39:31,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 07:39:31,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 07:39:31,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 07:39:31,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 07:39:31,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 07:39:31,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 07:39:31,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 07:39:31,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 07:39:31,419 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae5f22-91bd-4dea-85dd-ec6a4f72d61d/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 07:39:31,462 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 07:39:31,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 07:39:31,466 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 07:39:31,466 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 07:39:31,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 07:39:31,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 07:39:31,475 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 07:39:31,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 07:39:31,475 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 07:39:31,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 07:39:31,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 07:39:31,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 07:39:31,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 07:39:31,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 07:39:31,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 07:39:31,478 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 07:39:31,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 07:39:31,478 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 07:39:31,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 07:39:31,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 07:39:31,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 07:39:31,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 07:39:31,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 07:39:31,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 07:39:31,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 07:39:31,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 07:39:31,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 07:39:31,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 07:39:31,481 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 07:39:31,482 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 07:39:31,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 07:39:31,483 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 07:39:31,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae5f22-91bd-4dea-85dd-ec6a4f72d61d/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae5f22-91bd-4dea-85dd-ec6a4f72d61d/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7850c8f92b7e0b0b866687e8f3ea719169cacbc5985a977f15b280bf9bb53b5b [2021-11-07 07:39:31,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 07:39:31,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 07:39:31,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 07:39:31,869 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 07:39:31,870 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 07:39:31,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae5f22-91bd-4dea-85dd-ec6a4f72d61d/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c [2021-11-07 07:39:31,959 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae5f22-91bd-4dea-85dd-ec6a4f72d61d/bin/uautomizer-AkOaLMaTGY/data/d128f6543/6a2d06b915ee48a49e878669d122aa96/FLAG65a426027 [2021-11-07 07:39:32,516 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 07:39:32,517 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae5f22-91bd-4dea-85dd-ec6a4f72d61d/sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c [2021-11-07 07:39:32,524 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae5f22-91bd-4dea-85dd-ec6a4f72d61d/bin/uautomizer-AkOaLMaTGY/data/d128f6543/6a2d06b915ee48a49e878669d122aa96/FLAG65a426027 [2021-11-07 07:39:32,883 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae5f22-91bd-4dea-85dd-ec6a4f72d61d/bin/uautomizer-AkOaLMaTGY/data/d128f6543/6a2d06b915ee48a49e878669d122aa96 [2021-11-07 07:39:32,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 07:39:32,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 07:39:32,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 07:39:32,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 07:39:32,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 07:39:32,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:39:32" (1/1) ... [2021-11-07 07:39:32,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aede205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:39:32, skipping insertion in model container [2021-11-07 07:39:32,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:39:32" (1/1) ... [2021-11-07 07:39:32,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 07:39:32,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 07:39:33,199 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae5f22-91bd-4dea-85dd-ec6a4f72d61d/sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c[2817,2830] [2021-11-07 07:39:33,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:39:33,218 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 07:39:33,247 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae5f22-91bd-4dea-85dd-ec6a4f72d61d/sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c[2817,2830] [2021-11-07 07:39:33,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:39:33,266 INFO L208 MainTranslator]: Completed translation [2021-11-07 07:39:33,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:39:33 WrapperNode [2021-11-07 07:39:33,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 07:39:33,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 07:39:33,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 07:39:33,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 07:39:33,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:39:33" (1/1) ... [2021-11-07 07:39:33,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:39:33" (1/1) ... [2021-11-07 07:39:33,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 07:39:33,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 07:39:33,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 07:39:33,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 07:39:33,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:39:33" (1/1) ... [2021-11-07 07:39:33,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:39:33" (1/1) ... [2021-11-07 07:39:33,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:39:33" (1/1) ... [2021-11-07 07:39:33,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:39:33" (1/1) ... [2021-11-07 07:39:33,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:39:33" (1/1) ... [2021-11-07 07:39:33,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:39:33" (1/1) ... [2021-11-07 07:39:33,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:39:33" (1/1) ... [2021-11-07 07:39:33,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 07:39:33,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 07:39:33,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 07:39:33,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 07:39:33,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:39:33" (1/1) ... [2021-11-07 07:39:33,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 07:39:33,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae5f22-91bd-4dea-85dd-ec6a4f72d61d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:39:33,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae5f22-91bd-4dea-85dd-ec6a4f72d61d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 07:39:33,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae5f22-91bd-4dea-85dd-ec6a4f72d61d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 07:39:33,471 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-07 07:39:33,472 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-07 07:39:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-07 07:39:33,472 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-07 07:39:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-07 07:39:33,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-07 07:39:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 07:39:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 07:39:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 07:39:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 07:39:33,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 07:39:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 07:39:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 07:39:33,476 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 07:39:34,012 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 07:39:34,012 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-11-07 07:39:34,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:39:34 BoogieIcfgContainer [2021-11-07 07:39:34,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 07:39:34,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 07:39:34,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 07:39:34,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 07:39:34,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:39:32" (1/3) ... [2021-11-07 07:39:34,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f447ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:39:34, skipping insertion in model container [2021-11-07 07:39:34,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:39:33" (2/3) ... [2021-11-07 07:39:34,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f447ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:39:34, skipping insertion in model container [2021-11-07 07:39:34,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:39:34" (3/3) ... [2021-11-07 07:39:34,030 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-file-item-trans.wvr.c [2021-11-07 07:39:34,037 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-07 07:39:34,037 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 07:39:34,037 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 07:39:34,037 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-07 07:39:34,125 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,133 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,134 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,134 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,135 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,135 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,135 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,135 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,143 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,143 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,143 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,144 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,151 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,151 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,152 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,152 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,152 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,153 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,153 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,154 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,154 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,154 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,155 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,155 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,157 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,157 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,159 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,159 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,160 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,161 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,162 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,163 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,163 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,163 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,164 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,165 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,165 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,165 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,166 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,170 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,172 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,173 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,173 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,173 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,173 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,179 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,180 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,180 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,180 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,180 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,181 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,181 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,181 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,181 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,182 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,182 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,182 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,182 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,184 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,184 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,184 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,184 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,188 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,188 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,207 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,207 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,207 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,207 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,208 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,208 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,210 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,210 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,210 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,210 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,210 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,211 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,211 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,211 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,211 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,212 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,212 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,213 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,214 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,215 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,215 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,215 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,215 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,216 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,216 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,216 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,216 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,217 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,217 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,217 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,218 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,222 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,222 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,222 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,222 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,223 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,224 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,224 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,224 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,225 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,231 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,231 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,232 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,243 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,243 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,243 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,243 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,244 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,244 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,244 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,244 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,246 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,247 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,247 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,248 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,248 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,248 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,248 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,249 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,250 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,250 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,251 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,251 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,251 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,251 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,251 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,252 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,252 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,252 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,252 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,253 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,258 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,258 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,258 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,259 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,259 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,259 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,260 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,260 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,260 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,260 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,260 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,262 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,263 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,263 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,263 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,263 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,263 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,264 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,264 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,264 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,264 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,264 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,264 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,265 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,265 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,265 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,265 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,265 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,265 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,266 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,266 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,267 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,267 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,267 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,267 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,267 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,268 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,268 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,268 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,268 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,268 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,268 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,269 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,269 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,269 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,269 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,269 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,270 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,270 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,270 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,270 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,270 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,270 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,271 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,271 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,271 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,271 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,271 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,272 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,272 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,272 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,272 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,272 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,274 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,274 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,274 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,274 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,274 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,275 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,275 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,275 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,275 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,275 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,275 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,276 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,276 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,276 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,276 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,276 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,277 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,277 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,279 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,282 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,282 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,316 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,316 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,316 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,317 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,317 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,317 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,317 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,317 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,318 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,318 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,318 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,318 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,318 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,319 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,328 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,328 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,328 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,328 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,329 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,329 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,329 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,329 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,329 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,330 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,330 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,330 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,330 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,332 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,332 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,332 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,362 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,363 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,363 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,363 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,363 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,364 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,364 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,364 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,364 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,364 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,364 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,365 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,365 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,365 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,365 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,365 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 07:39:34,391 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-07 07:39:34,457 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 07:39:34,464 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 07:39:34,464 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-07 07:39:34,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 254 transitions, 532 flow [2021-11-07 07:39:34,667 INFO L129 PetriNetUnfolder]: 25/251 cut-off events. [2021-11-07 07:39:34,667 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-07 07:39:34,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 251 events. 25/251 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 672 event pairs, 0 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 181. Up to 2 conditions per place. [2021-11-07 07:39:34,689 INFO L82 GeneralOperation]: Start removeDead. Operand has 239 places, 254 transitions, 532 flow [2021-11-07 07:39:34,699 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 226 places, 241 transitions, 500 flow [2021-11-07 07:39:34,768 INFO L129 PetriNetUnfolder]: 25/240 cut-off events. [2021-11-07 07:39:34,769 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-07 07:39:34,769 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:34,770 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:34,770 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:34,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:34,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1810233921, now seen corresponding path program 1 times [2021-11-07 07:39:34,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:34,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120186076] [2021-11-07 07:39:34,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:34,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:35,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:35,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:35,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120186076] [2021-11-07 07:39:35,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120186076] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:35,454 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:35,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-07 07:39:35,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954341626] [2021-11-07 07:39:35,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 07:39:35,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:35,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 07:39:35,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-07 07:39:35,497 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 254 [2021-11-07 07:39:35,508 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 241 transitions, 500 flow. Second operand has 8 states, 8 states have (on average 229.875) internal successors, (1839), 8 states have internal predecessors, (1839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:35,508 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:35,508 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 254 [2021-11-07 07:39:35,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:35,852 INFO L129 PetriNetUnfolder]: 61/523 cut-off events. [2021-11-07 07:39:35,853 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-11-07 07:39:35,860 INFO L84 FinitePrefix]: Finished finitePrefix Result has 648 conditions, 523 events. 61/523 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2998 event pairs, 24 based on Foata normal form. 35/511 useless extension candidates. Maximal degree in co-relation 547. Up to 36 conditions per place. [2021-11-07 07:39:35,866 INFO L132 encePairwiseOnDemand]: 237/254 looper letters, 21 selfloop transitions, 6 changer transitions 5/248 dead transitions. [2021-11-07 07:39:35,866 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 248 transitions, 578 flow [2021-11-07 07:39:35,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 07:39:35,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-07 07:39:35,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1877 transitions. [2021-11-07 07:39:35,890 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9237204724409449 [2021-11-07 07:39:35,891 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1877 transitions. [2021-11-07 07:39:35,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1877 transitions. [2021-11-07 07:39:35,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:35,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1877 transitions. [2021-11-07 07:39:35,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 234.625) internal successors, (1877), 8 states have internal predecessors, (1877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:35,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 254.0) internal successors, (2286), 9 states have internal predecessors, (2286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:35,925 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 254.0) internal successors, (2286), 9 states have internal predecessors, (2286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:35,927 INFO L186 Difference]: Start difference. First operand has 226 places, 241 transitions, 500 flow. Second operand 8 states and 1877 transitions. [2021-11-07 07:39:35,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 248 transitions, 578 flow [2021-11-07 07:39:35,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 248 transitions, 566 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-11-07 07:39:35,942 INFO L242 Difference]: Finished difference. Result has 232 places, 237 transitions, 516 flow [2021-11-07 07:39:35,945 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=516, PETRI_PLACES=232, PETRI_TRANSITIONS=237} [2021-11-07 07:39:35,946 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 6 predicate places. [2021-11-07 07:39:35,946 INFO L470 AbstractCegarLoop]: Abstraction has has 232 places, 237 transitions, 516 flow [2021-11-07 07:39:35,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 229.875) internal successors, (1839), 8 states have internal predecessors, (1839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:35,949 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:35,949 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:35,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 07:39:35,950 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:35,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:35,950 INFO L85 PathProgramCache]: Analyzing trace with hash 529452483, now seen corresponding path program 1 times [2021-11-07 07:39:35,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:35,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877999429] [2021-11-07 07:39:35,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:35,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:36,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:36,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:36,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877999429] [2021-11-07 07:39:36,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877999429] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:36,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:36,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:39:36,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985390654] [2021-11-07 07:39:36,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:39:36,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:36,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:39:36,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:39:36,049 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 254 [2021-11-07 07:39:36,051 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 237 transitions, 516 flow. Second operand has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:36,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:36,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 254 [2021-11-07 07:39:36,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:36,227 INFO L129 PetriNetUnfolder]: 41/515 cut-off events. [2021-11-07 07:39:36,227 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-07 07:39:36,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 581 conditions, 515 events. 41/515 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2864 event pairs, 4 based on Foata normal form. 0/456 useless extension candidates. Maximal degree in co-relation 567. Up to 20 conditions per place. [2021-11-07 07:39:36,239 INFO L132 encePairwiseOnDemand]: 246/254 looper letters, 10 selfloop transitions, 4 changer transitions 0/241 dead transitions. [2021-11-07 07:39:36,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 241 transitions, 552 flow [2021-11-07 07:39:36,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:39:36,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-07 07:39:36,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 726 transitions. [2021-11-07 07:39:36,243 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.952755905511811 [2021-11-07 07:39:36,243 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 726 transitions. [2021-11-07 07:39:36,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 726 transitions. [2021-11-07 07:39:36,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:36,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 726 transitions. [2021-11-07 07:39:36,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:36,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:36,252 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:36,252 INFO L186 Difference]: Start difference. First operand has 232 places, 237 transitions, 516 flow. Second operand 3 states and 726 transitions. [2021-11-07 07:39:36,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 241 transitions, 552 flow [2021-11-07 07:39:36,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 241 transitions, 546 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-11-07 07:39:36,268 INFO L242 Difference]: Finished difference. Result has 229 places, 241 transitions, 550 flow [2021-11-07 07:39:36,269 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=550, PETRI_PLACES=229, PETRI_TRANSITIONS=241} [2021-11-07 07:39:36,269 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 3 predicate places. [2021-11-07 07:39:36,270 INFO L470 AbstractCegarLoop]: Abstraction has has 229 places, 241 transitions, 550 flow [2021-11-07 07:39:36,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:36,271 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:36,271 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:36,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 07:39:36,272 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:36,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:36,273 INFO L85 PathProgramCache]: Analyzing trace with hash 907858497, now seen corresponding path program 1 times [2021-11-07 07:39:36,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:36,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298015469] [2021-11-07 07:39:36,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:36,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:36,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:36,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:36,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298015469] [2021-11-07 07:39:36,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298015469] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:36,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:36,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-07 07:39:36,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773393571] [2021-11-07 07:39:36,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 07:39:36,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:36,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 07:39:36,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-07 07:39:36,566 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 254 [2021-11-07 07:39:36,570 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 241 transitions, 550 flow. Second operand has 8 states, 8 states have (on average 229.875) internal successors, (1839), 8 states have internal predecessors, (1839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:36,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:36,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 254 [2021-11-07 07:39:36,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:37,116 INFO L129 PetriNetUnfolder]: 267/1635 cut-off events. [2021-11-07 07:39:37,117 INFO L130 PetriNetUnfolder]: For 164/292 co-relation queries the response was YES. [2021-11-07 07:39:37,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2376 conditions, 1635 events. 267/1635 cut-off events. For 164/292 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 14841 event pairs, 122 based on Foata normal form. 1/1529 useless extension candidates. Maximal degree in co-relation 2060. Up to 307 conditions per place. [2021-11-07 07:39:37,154 INFO L132 encePairwiseOnDemand]: 244/254 looper letters, 30 selfloop transitions, 7 changer transitions 3/263 dead transitions. [2021-11-07 07:39:37,154 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 263 transitions, 696 flow [2021-11-07 07:39:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 07:39:37,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-07 07:39:37,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2315 transitions. [2021-11-07 07:39:37,163 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9114173228346457 [2021-11-07 07:39:37,164 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2315 transitions. [2021-11-07 07:39:37,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2315 transitions. [2021-11-07 07:39:37,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:37,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2315 transitions. [2021-11-07 07:39:37,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 231.5) internal successors, (2315), 10 states have internal predecessors, (2315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:37,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 254.0) internal successors, (2794), 11 states have internal predecessors, (2794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:37,188 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 254.0) internal successors, (2794), 11 states have internal predecessors, (2794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:37,188 INFO L186 Difference]: Start difference. First operand has 229 places, 241 transitions, 550 flow. Second operand 10 states and 2315 transitions. [2021-11-07 07:39:37,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 263 transitions, 696 flow [2021-11-07 07:39:37,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 263 transitions, 692 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-07 07:39:37,202 INFO L242 Difference]: Finished difference. Result has 244 places, 245 transitions, 591 flow [2021-11-07 07:39:37,202 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=591, PETRI_PLACES=244, PETRI_TRANSITIONS=245} [2021-11-07 07:39:37,203 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 18 predicate places. [2021-11-07 07:39:37,203 INFO L470 AbstractCegarLoop]: Abstraction has has 244 places, 245 transitions, 591 flow [2021-11-07 07:39:37,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 229.875) internal successors, (1839), 8 states have internal predecessors, (1839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:37,206 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:37,206 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:37,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 07:39:37,207 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:37,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:37,207 INFO L85 PathProgramCache]: Analyzing trace with hash -2110893975, now seen corresponding path program 1 times [2021-11-07 07:39:37,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:37,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549475130] [2021-11-07 07:39:37,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:37,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:37,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:37,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:37,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549475130] [2021-11-07 07:39:37,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549475130] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:37,322 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:37,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:39:37,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465642300] [2021-11-07 07:39:37,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:39:37,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:37,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:39:37,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:39:37,327 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 254 [2021-11-07 07:39:37,328 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 245 transitions, 591 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:37,328 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:37,328 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 254 [2021-11-07 07:39:37,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:37,723 INFO L129 PetriNetUnfolder]: 115/1574 cut-off events. [2021-11-07 07:39:37,723 INFO L130 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2021-11-07 07:39:37,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1995 conditions, 1574 events. 115/1574 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 14724 event pairs, 14 based on Foata normal form. 0/1376 useless extension candidates. Maximal degree in co-relation 1969. Up to 56 conditions per place. [2021-11-07 07:39:37,760 INFO L132 encePairwiseOnDemand]: 246/254 looper letters, 6 selfloop transitions, 5 changer transitions 0/248 dead transitions. [2021-11-07 07:39:37,760 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 248 transitions, 619 flow [2021-11-07 07:39:37,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:39:37,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-07 07:39:37,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 728 transitions. [2021-11-07 07:39:37,764 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9553805774278216 [2021-11-07 07:39:37,764 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 728 transitions. [2021-11-07 07:39:37,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 728 transitions. [2021-11-07 07:39:37,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:37,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 728 transitions. [2021-11-07 07:39:37,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 242.66666666666666) internal successors, (728), 3 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:37,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:37,771 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:37,771 INFO L186 Difference]: Start difference. First operand has 244 places, 245 transitions, 591 flow. Second operand 3 states and 728 transitions. [2021-11-07 07:39:37,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 248 transitions, 619 flow [2021-11-07 07:39:37,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 248 transitions, 610 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-11-07 07:39:37,786 INFO L242 Difference]: Finished difference. Result has 242 places, 248 transitions, 620 flow [2021-11-07 07:39:37,787 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=582, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=242, PETRI_TRANSITIONS=248} [2021-11-07 07:39:37,787 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 16 predicate places. [2021-11-07 07:39:37,787 INFO L470 AbstractCegarLoop]: Abstraction has has 242 places, 248 transitions, 620 flow [2021-11-07 07:39:37,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:37,788 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:37,788 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:37,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 07:39:37,789 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:37,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:37,789 INFO L85 PathProgramCache]: Analyzing trace with hash 413982623, now seen corresponding path program 2 times [2021-11-07 07:39:37,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:37,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996739899] [2021-11-07 07:39:37,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:37,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:37,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:37,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:37,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996739899] [2021-11-07 07:39:37,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996739899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:37,849 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:37,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:39:37,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466400540] [2021-11-07 07:39:37,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:39:37,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:37,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:39:37,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:39:37,853 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 254 [2021-11-07 07:39:37,854 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 248 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:37,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:37,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 254 [2021-11-07 07:39:37,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:38,135 INFO L129 PetriNetUnfolder]: 81/1268 cut-off events. [2021-11-07 07:39:38,135 INFO L130 PetriNetUnfolder]: For 45/73 co-relation queries the response was YES. [2021-11-07 07:39:38,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1637 conditions, 1268 events. 81/1268 cut-off events. For 45/73 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 11196 event pairs, 12 based on Foata normal form. 4/1128 useless extension candidates. Maximal degree in co-relation 1503. Up to 56 conditions per place. [2021-11-07 07:39:38,162 INFO L132 encePairwiseOnDemand]: 248/254 looper letters, 11 selfloop transitions, 3 changer transitions 0/251 dead transitions. [2021-11-07 07:39:38,162 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 251 transitions, 660 flow [2021-11-07 07:39:38,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:39:38,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-07 07:39:38,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 728 transitions. [2021-11-07 07:39:38,166 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9553805774278216 [2021-11-07 07:39:38,166 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 728 transitions. [2021-11-07 07:39:38,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 728 transitions. [2021-11-07 07:39:38,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:38,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 728 transitions. [2021-11-07 07:39:38,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 242.66666666666666) internal successors, (728), 3 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:38,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:38,176 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:38,176 INFO L186 Difference]: Start difference. First operand has 242 places, 248 transitions, 620 flow. Second operand 3 states and 728 transitions. [2021-11-07 07:39:38,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 251 transitions, 660 flow [2021-11-07 07:39:38,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 251 transitions, 650 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-07 07:39:38,188 INFO L242 Difference]: Finished difference. Result has 244 places, 251 transitions, 646 flow [2021-11-07 07:39:38,189 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=646, PETRI_PLACES=244, PETRI_TRANSITIONS=251} [2021-11-07 07:39:38,190 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 18 predicate places. [2021-11-07 07:39:38,190 INFO L470 AbstractCegarLoop]: Abstraction has has 244 places, 251 transitions, 646 flow [2021-11-07 07:39:38,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:38,191 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:38,191 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:38,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 07:39:38,191 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:38,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:38,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1090198297, now seen corresponding path program 1 times [2021-11-07 07:39:38,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:38,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982719545] [2021-11-07 07:39:38,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:38,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:38,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:38,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:38,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982719545] [2021-11-07 07:39:38,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982719545] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:38,268 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:38,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:39:38,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353057411] [2021-11-07 07:39:38,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:39:38,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:38,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:39:38,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:39:38,272 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 254 [2021-11-07 07:39:38,273 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 251 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 241.33333333333334) internal successors, (724), 3 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:38,274 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:38,274 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 254 [2021-11-07 07:39:38,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:38,722 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([777] thread3EXIT-->L80-2: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem41_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem41=|v_ULTIMATE.start_main_#t~mem41_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem41=|v_ULTIMATE.start_main_#t~mem41_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][246], [Black: 253#(and (= ~result_9~0 0) (= |thread1Thread1of1ForFork1_#t~ite9| 0) (= |thread1Thread1of1ForFork1_#t~ite3| 0)), Black: 281#(and (<= (+ |thread2Thread1of1ForFork2_#t~ite15| 1) 0) (<= (+ |thread2Thread1of1ForFork2_#t~ite16| 1) 0)), Black: 251#(and (= ~result_9~0 0) (= |thread1Thread1of1ForFork1_#t~ite3| 0)), Black: 283#(and (<= (+ |thread2Thread1of1ForFork2_#t~ite15| 1) 0) (<= (+ |thread2Thread1of1ForFork2_#t~ite16| 1) 0) (<= (+ ~result_10~0 1) 0)), Black: 246#(= ~result_9~0 0), 276#(<= (+ ~result_10~0 1) 0), Black: 274#(<= (+ |thread2Thread1of1ForFork2_#t~ite15| 1) 0), Black: 285#(and (<= (+ |thread2Thread1of1ForFork2_#t~ite15| 1) 0) (<= (+ ~result_10~0 1) 0)), Black: 266#true, Black: 301#true, 268#(not (= ~isNull_6~0 (* 256 (div ~isNull_6~0 256)))), Black: 309#(not (= ~isNull_3~0 (* 256 (div ~isNull_3~0 256)))), 315#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 13#L80-2true, 307#true]) [2021-11-07 07:39:38,722 INFO L384 tUnfolder$Statistics]: this new event has 113 ancestors and is not cut-off event [2021-11-07 07:39:38,723 INFO L387 tUnfolder$Statistics]: existing Event has 117 ancestors and is not cut-off event [2021-11-07 07:39:38,723 INFO L387 tUnfolder$Statistics]: existing Event has 117 ancestors and is not cut-off event [2021-11-07 07:39:38,723 INFO L387 tUnfolder$Statistics]: existing Event has 117 ancestors and is not cut-off event [2021-11-07 07:39:38,724 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([777] thread3EXIT-->L80-2: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem41_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem41=|v_ULTIMATE.start_main_#t~mem41_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem41=|v_ULTIMATE.start_main_#t~mem41_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][246], [Black: 253#(and (= ~result_9~0 0) (= |thread1Thread1of1ForFork1_#t~ite9| 0) (= |thread1Thread1of1ForFork1_#t~ite3| 0)), Black: 281#(and (<= (+ |thread2Thread1of1ForFork2_#t~ite15| 1) 0) (<= (+ |thread2Thread1of1ForFork2_#t~ite16| 1) 0)), Black: 251#(and (= ~result_9~0 0) (= |thread1Thread1of1ForFork1_#t~ite3| 0)), Black: 283#(and (<= (+ |thread2Thread1of1ForFork2_#t~ite15| 1) 0) (<= (+ |thread2Thread1of1ForFork2_#t~ite16| 1) 0) (<= (+ ~result_10~0 1) 0)), Black: 246#(= ~result_9~0 0), Black: 274#(<= (+ |thread2Thread1of1ForFork2_#t~ite15| 1) 0), Black: 276#(<= (+ ~result_10~0 1) 0), Black: 285#(and (<= (+ |thread2Thread1of1ForFork2_#t~ite15| 1) 0) (<= (+ ~result_10~0 1) 0)), Black: 266#true, Black: 303#(= ~isNull_3~0 (* 256 (div ~isNull_3~0 256))), 268#(not (= ~isNull_6~0 (* 256 (div ~isNull_6~0 256)))), 315#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), Black: 307#true, 309#(not (= ~isNull_3~0 (* 256 (div ~isNull_3~0 256)))), 13#L80-2true]) [2021-11-07 07:39:38,725 INFO L384 tUnfolder$Statistics]: this new event has 113 ancestors and is not cut-off event [2021-11-07 07:39:38,725 INFO L387 tUnfolder$Statistics]: existing Event has 117 ancestors and is not cut-off event [2021-11-07 07:39:38,725 INFO L387 tUnfolder$Statistics]: existing Event has 113 ancestors and is not cut-off event [2021-11-07 07:39:38,726 INFO L387 tUnfolder$Statistics]: existing Event has 113 ancestors and is not cut-off event [2021-11-07 07:39:38,739 INFO L129 PetriNetUnfolder]: 110/2036 cut-off events. [2021-11-07 07:39:38,739 INFO L130 PetriNetUnfolder]: For 55/89 co-relation queries the response was YES. [2021-11-07 07:39:38,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2570 conditions, 2036 events. 110/2036 cut-off events. For 55/89 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 21497 event pairs, 17 based on Foata normal form. 0/1849 useless extension candidates. Maximal degree in co-relation 2367. Up to 78 conditions per place. [2021-11-07 07:39:38,782 INFO L132 encePairwiseOnDemand]: 248/254 looper letters, 4 selfloop transitions, 4 changer transitions 0/253 dead transitions. [2021-11-07 07:39:38,782 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 253 transitions, 666 flow [2021-11-07 07:39:38,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:39:38,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-07 07:39:38,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 730 transitions. [2021-11-07 07:39:38,786 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.958005249343832 [2021-11-07 07:39:38,786 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 730 transitions. [2021-11-07 07:39:38,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 730 transitions. [2021-11-07 07:39:38,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:38,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 730 transitions. [2021-11-07 07:39:38,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:38,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:38,794 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:38,794 INFO L186 Difference]: Start difference. First operand has 244 places, 251 transitions, 646 flow. Second operand 3 states and 730 transitions. [2021-11-07 07:39:38,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 253 transitions, 666 flow [2021-11-07 07:39:38,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 253 transitions, 657 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-11-07 07:39:38,808 INFO L242 Difference]: Finished difference. Result has 247 places, 253 transitions, 665 flow [2021-11-07 07:39:38,809 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=637, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=665, PETRI_PLACES=247, PETRI_TRANSITIONS=253} [2021-11-07 07:39:38,809 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 21 predicate places. [2021-11-07 07:39:38,809 INFO L470 AbstractCegarLoop]: Abstraction has has 247 places, 253 transitions, 665 flow [2021-11-07 07:39:38,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 241.33333333333334) internal successors, (724), 3 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:38,810 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:38,811 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:38,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 07:39:38,811 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:38,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:38,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1684787809, now seen corresponding path program 1 times [2021-11-07 07:39:38,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:38,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795747009] [2021-11-07 07:39:38,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:38,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:38,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:38,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:38,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795747009] [2021-11-07 07:39:38,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795747009] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:38,884 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:38,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:39:38,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70885711] [2021-11-07 07:39:38,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:39:38,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:38,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:39:38,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:39:38,894 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 254 [2021-11-07 07:39:38,895 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 253 transitions, 665 flow. Second operand has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:38,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:38,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 254 [2021-11-07 07:39:38,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:39,290 INFO L129 PetriNetUnfolder]: 108/1682 cut-off events. [2021-11-07 07:39:39,290 INFO L130 PetriNetUnfolder]: For 70/292 co-relation queries the response was YES. [2021-11-07 07:39:39,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2103 conditions, 1682 events. 108/1682 cut-off events. For 70/292 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 16284 event pairs, 1 based on Foata normal form. 8/1534 useless extension candidates. Maximal degree in co-relation 1998. Up to 48 conditions per place. [2021-11-07 07:39:39,321 INFO L132 encePairwiseOnDemand]: 244/254 looper letters, 12 selfloop transitions, 6 changer transitions 0/257 dead transitions. [2021-11-07 07:39:39,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 257 transitions, 717 flow [2021-11-07 07:39:39,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:39:39,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-07 07:39:39,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 726 transitions. [2021-11-07 07:39:39,326 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.952755905511811 [2021-11-07 07:39:39,326 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 726 transitions. [2021-11-07 07:39:39,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 726 transitions. [2021-11-07 07:39:39,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:39,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 726 transitions. [2021-11-07 07:39:39,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:39,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:39,333 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:39,334 INFO L186 Difference]: Start difference. First operand has 247 places, 253 transitions, 665 flow. Second operand 3 states and 726 transitions. [2021-11-07 07:39:39,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 257 transitions, 717 flow [2021-11-07 07:39:39,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 257 transitions, 709 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-07 07:39:39,345 INFO L242 Difference]: Finished difference. Result has 249 places, 257 transitions, 713 flow [2021-11-07 07:39:39,346 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=657, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=713, PETRI_PLACES=249, PETRI_TRANSITIONS=257} [2021-11-07 07:39:39,346 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 23 predicate places. [2021-11-07 07:39:39,346 INFO L470 AbstractCegarLoop]: Abstraction has has 249 places, 257 transitions, 713 flow [2021-11-07 07:39:39,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:39,347 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:39,348 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:39,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 07:39:39,348 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:39,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:39,349 INFO L85 PathProgramCache]: Analyzing trace with hash 2135963195, now seen corresponding path program 1 times [2021-11-07 07:39:39,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:39,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668012819] [2021-11-07 07:39:39,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:39,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:39,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:39,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:39,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668012819] [2021-11-07 07:39:39,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668012819] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:39,405 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:39,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:39:39,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662292469] [2021-11-07 07:39:39,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:39:39,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:39,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:39:39,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:39:39,409 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 254 [2021-11-07 07:39:39,411 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 257 transitions, 713 flow. Second operand has 3 states, 3 states have (on average 241.33333333333334) internal successors, (724), 3 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:39,411 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:39,411 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 254 [2021-11-07 07:39:39,412 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:39,666 INFO L129 PetriNetUnfolder]: 66/1162 cut-off events. [2021-11-07 07:39:39,666 INFO L130 PetriNetUnfolder]: For 72/254 co-relation queries the response was YES. [2021-11-07 07:39:39,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1447 conditions, 1162 events. 66/1162 cut-off events. For 72/254 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 9911 event pairs, 0 based on Foata normal form. 1/1066 useless extension candidates. Maximal degree in co-relation 1366. Up to 35 conditions per place. [2021-11-07 07:39:39,680 INFO L132 encePairwiseOnDemand]: 250/254 looper letters, 8 selfloop transitions, 2 changer transitions 7/259 dead transitions. [2021-11-07 07:39:39,681 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 259 transitions, 741 flow [2021-11-07 07:39:39,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:39:39,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-07 07:39:39,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 730 transitions. [2021-11-07 07:39:39,685 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.958005249343832 [2021-11-07 07:39:39,685 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 730 transitions. [2021-11-07 07:39:39,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 730 transitions. [2021-11-07 07:39:39,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:39,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 730 transitions. [2021-11-07 07:39:39,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:39,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:39,692 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:39,692 INFO L186 Difference]: Start difference. First operand has 249 places, 257 transitions, 713 flow. Second operand 3 states and 730 transitions. [2021-11-07 07:39:39,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 259 transitions, 741 flow [2021-11-07 07:39:39,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 259 transitions, 721 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-11-07 07:39:39,702 INFO L242 Difference]: Finished difference. Result has 251 places, 252 transitions, 678 flow [2021-11-07 07:39:39,703 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=678, PETRI_PLACES=251, PETRI_TRANSITIONS=252} [2021-11-07 07:39:39,703 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 25 predicate places. [2021-11-07 07:39:39,704 INFO L470 AbstractCegarLoop]: Abstraction has has 251 places, 252 transitions, 678 flow [2021-11-07 07:39:39,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 241.33333333333334) internal successors, (724), 3 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:39,704 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:39,705 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:39,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 07:39:39,706 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:39,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:39,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1037785729, now seen corresponding path program 1 times [2021-11-07 07:39:39,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:39,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70432256] [2021-11-07 07:39:39,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:39,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:39,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:39,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:39,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70432256] [2021-11-07 07:39:39,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70432256] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:39,885 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:39,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-07 07:39:39,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134761743] [2021-11-07 07:39:39,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 07:39:39,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:39,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 07:39:39,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-07 07:39:39,892 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 254 [2021-11-07 07:39:39,895 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 252 transitions, 678 flow. Second operand has 8 states, 8 states have (on average 229.875) internal successors, (1839), 8 states have internal predecessors, (1839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:39,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:39,896 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 254 [2021-11-07 07:39:39,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:40,314 INFO L129 PetriNetUnfolder]: 265/2000 cut-off events. [2021-11-07 07:39:40,314 INFO L130 PetriNetUnfolder]: For 165/242 co-relation queries the response was YES. [2021-11-07 07:39:40,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2948 conditions, 2000 events. 265/2000 cut-off events. For 165/242 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 19953 event pairs, 63 based on Foata normal form. 9/1792 useless extension candidates. Maximal degree in co-relation 2757. Up to 214 conditions per place. [2021-11-07 07:39:40,344 INFO L132 encePairwiseOnDemand]: 244/254 looper letters, 20 selfloop transitions, 8 changer transitions 5/265 dead transitions. [2021-11-07 07:39:40,345 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 265 transitions, 784 flow [2021-11-07 07:39:40,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 07:39:40,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-07 07:39:40,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1855 transitions. [2021-11-07 07:39:40,351 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9128937007874016 [2021-11-07 07:39:40,352 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1855 transitions. [2021-11-07 07:39:40,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1855 transitions. [2021-11-07 07:39:40,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:40,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1855 transitions. [2021-11-07 07:39:40,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 231.875) internal successors, (1855), 8 states have internal predecessors, (1855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:40,418 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 254.0) internal successors, (2286), 9 states have internal predecessors, (2286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:40,420 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 254.0) internal successors, (2286), 9 states have internal predecessors, (2286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:40,420 INFO L186 Difference]: Start difference. First operand has 251 places, 252 transitions, 678 flow. Second operand 8 states and 1855 transitions. [2021-11-07 07:39:40,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 265 transitions, 784 flow [2021-11-07 07:39:40,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 265 transitions, 758 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-11-07 07:39:40,430 INFO L242 Difference]: Finished difference. Result has 255 places, 256 transitions, 713 flow [2021-11-07 07:39:40,431 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=660, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=713, PETRI_PLACES=255, PETRI_TRANSITIONS=256} [2021-11-07 07:39:40,431 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 29 predicate places. [2021-11-07 07:39:40,431 INFO L470 AbstractCegarLoop]: Abstraction has has 255 places, 256 transitions, 713 flow [2021-11-07 07:39:40,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 229.875) internal successors, (1839), 8 states have internal predecessors, (1839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:40,434 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:40,434 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:40,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 07:39:40,435 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:40,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:40,435 INFO L85 PathProgramCache]: Analyzing trace with hash 254324208, now seen corresponding path program 1 times [2021-11-07 07:39:40,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:40,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726994050] [2021-11-07 07:39:40,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:40,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:40,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:40,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:40,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726994050] [2021-11-07 07:39:40,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726994050] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:40,602 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:40,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-07 07:39:40,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640970285] [2021-11-07 07:39:40,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 07:39:40,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:40,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 07:39:40,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-07 07:39:40,612 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 254 [2021-11-07 07:39:40,616 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 256 transitions, 713 flow. Second operand has 9 states, 9 states have (on average 227.66666666666666) internal successors, (2049), 9 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:40,616 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:40,616 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 254 [2021-11-07 07:39:40,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:40,967 INFO L129 PetriNetUnfolder]: 55/1189 cut-off events. [2021-11-07 07:39:40,967 INFO L130 PetriNetUnfolder]: For 55/118 co-relation queries the response was YES. [2021-11-07 07:39:40,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1770 conditions, 1189 events. 55/1189 cut-off events. For 55/118 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 10417 event pairs, 0 based on Foata normal form. 2/1091 useless extension candidates. Maximal degree in co-relation 1739. Up to 235 conditions per place. [2021-11-07 07:39:40,988 INFO L132 encePairwiseOnDemand]: 242/254 looper letters, 18 selfloop transitions, 9 changer transitions 3/267 dead transitions. [2021-11-07 07:39:40,989 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 267 transitions, 801 flow [2021-11-07 07:39:40,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 07:39:40,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-07 07:39:40,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2969 transitions. [2021-11-07 07:39:41,001 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.899152029073289 [2021-11-07 07:39:41,001 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2969 transitions. [2021-11-07 07:39:41,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2969 transitions. [2021-11-07 07:39:41,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:41,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2969 transitions. [2021-11-07 07:39:41,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 228.3846153846154) internal successors, (2969), 13 states have internal predecessors, (2969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:41,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 254.0) internal successors, (3556), 14 states have internal predecessors, (3556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:41,045 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 254.0) internal successors, (3556), 14 states have internal predecessors, (3556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:41,045 INFO L186 Difference]: Start difference. First operand has 255 places, 256 transitions, 713 flow. Second operand 13 states and 2969 transitions. [2021-11-07 07:39:41,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 267 transitions, 801 flow [2021-11-07 07:39:41,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 267 transitions, 786 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-11-07 07:39:41,054 INFO L242 Difference]: Finished difference. Result has 272 places, 264 transitions, 773 flow [2021-11-07 07:39:41,056 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=773, PETRI_PLACES=272, PETRI_TRANSITIONS=264} [2021-11-07 07:39:41,056 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 46 predicate places. [2021-11-07 07:39:41,056 INFO L470 AbstractCegarLoop]: Abstraction has has 272 places, 264 transitions, 773 flow [2021-11-07 07:39:41,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 227.66666666666666) internal successors, (2049), 9 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:41,058 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:41,058 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:41,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 07:39:41,058 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:41,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:41,060 INFO L85 PathProgramCache]: Analyzing trace with hash -121196326, now seen corresponding path program 1 times [2021-11-07 07:39:41,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:41,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859007783] [2021-11-07 07:39:41,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:41,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:41,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:41,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:41,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859007783] [2021-11-07 07:39:41,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859007783] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:41,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:41,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 07:39:41,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166786639] [2021-11-07 07:39:41,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 07:39:41,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:41,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 07:39:41,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-07 07:39:41,202 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 254 [2021-11-07 07:39:41,204 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 264 transitions, 773 flow. Second operand has 7 states, 7 states have (on average 230.14285714285714) internal successors, (1611), 7 states have internal predecessors, (1611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:41,204 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:41,205 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 254 [2021-11-07 07:39:41,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:41,817 INFO L129 PetriNetUnfolder]: 270/2646 cut-off events. [2021-11-07 07:39:41,817 INFO L130 PetriNetUnfolder]: For 719/815 co-relation queries the response was YES. [2021-11-07 07:39:41,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4526 conditions, 2646 events. 270/2646 cut-off events. For 719/815 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 28790 event pairs, 141 based on Foata normal form. 30/2449 useless extension candidates. Maximal degree in co-relation 4486. Up to 356 conditions per place. [2021-11-07 07:39:41,859 INFO L132 encePairwiseOnDemand]: 242/254 looper letters, 23 selfloop transitions, 18 changer transitions 8/293 dead transitions. [2021-11-07 07:39:41,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 293 transitions, 997 flow [2021-11-07 07:39:41,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 07:39:41,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-07 07:39:41,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2089 transitions. [2021-11-07 07:39:41,867 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9138232720909887 [2021-11-07 07:39:41,867 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2089 transitions. [2021-11-07 07:39:41,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2089 transitions. [2021-11-07 07:39:41,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:41,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2089 transitions. [2021-11-07 07:39:41,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 232.11111111111111) internal successors, (2089), 9 states have internal predecessors, (2089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:41,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 254.0) internal successors, (2540), 10 states have internal predecessors, (2540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:41,881 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 254.0) internal successors, (2540), 10 states have internal predecessors, (2540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:41,881 INFO L186 Difference]: Start difference. First operand has 272 places, 264 transitions, 773 flow. Second operand 9 states and 2089 transitions. [2021-11-07 07:39:41,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 293 transitions, 997 flow [2021-11-07 07:39:41,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 293 transitions, 990 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-11-07 07:39:41,904 INFO L242 Difference]: Finished difference. Result has 282 places, 279 transitions, 931 flow [2021-11-07 07:39:41,904 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=768, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=931, PETRI_PLACES=282, PETRI_TRANSITIONS=279} [2021-11-07 07:39:41,904 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 56 predicate places. [2021-11-07 07:39:41,905 INFO L470 AbstractCegarLoop]: Abstraction has has 282 places, 279 transitions, 931 flow [2021-11-07 07:39:41,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 230.14285714285714) internal successors, (1611), 7 states have internal predecessors, (1611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:41,905 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:41,906 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:41,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-07 07:39:41,906 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:41,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:41,906 INFO L85 PathProgramCache]: Analyzing trace with hash -2045231346, now seen corresponding path program 2 times [2021-11-07 07:39:41,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:41,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392346839] [2021-11-07 07:39:41,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:41,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:42,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:42,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:42,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392346839] [2021-11-07 07:39:42,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392346839] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:42,003 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:42,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 07:39:42,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071145787] [2021-11-07 07:39:42,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 07:39:42,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:42,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 07:39:42,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-07 07:39:42,007 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 254 [2021-11-07 07:39:42,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 279 transitions, 931 flow. Second operand has 7 states, 7 states have (on average 233.57142857142858) internal successors, (1635), 7 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:42,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:42,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 254 [2021-11-07 07:39:42,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:42,508 INFO L129 PetriNetUnfolder]: 118/1934 cut-off events. [2021-11-07 07:39:42,508 INFO L130 PetriNetUnfolder]: For 962/1297 co-relation queries the response was YES. [2021-11-07 07:39:42,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3504 conditions, 1934 events. 118/1934 cut-off events. For 962/1297 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 19666 event pairs, 31 based on Foata normal form. 46/1845 useless extension candidates. Maximal degree in co-relation 3463. Up to 129 conditions per place. [2021-11-07 07:39:42,535 INFO L132 encePairwiseOnDemand]: 246/254 looper letters, 12 selfloop transitions, 5 changer transitions 14/282 dead transitions. [2021-11-07 07:39:42,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 282 transitions, 991 flow [2021-11-07 07:39:42,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 07:39:42,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-07 07:39:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2109 transitions. [2021-11-07 07:39:42,543 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9225721784776902 [2021-11-07 07:39:42,543 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2109 transitions. [2021-11-07 07:39:42,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2109 transitions. [2021-11-07 07:39:42,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:42,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2109 transitions. [2021-11-07 07:39:42,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 234.33333333333334) internal successors, (2109), 9 states have internal predecessors, (2109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:42,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 254.0) internal successors, (2540), 10 states have internal predecessors, (2540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:42,558 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 254.0) internal successors, (2540), 10 states have internal predecessors, (2540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:42,559 INFO L186 Difference]: Start difference. First operand has 282 places, 279 transitions, 931 flow. Second operand 9 states and 2109 transitions. [2021-11-07 07:39:42,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 282 transitions, 991 flow [2021-11-07 07:39:42,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 282 transitions, 979 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-11-07 07:39:42,581 INFO L242 Difference]: Finished difference. Result has 289 places, 268 transitions, 852 flow [2021-11-07 07:39:42,582 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=921, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=852, PETRI_PLACES=289, PETRI_TRANSITIONS=268} [2021-11-07 07:39:42,582 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 63 predicate places. [2021-11-07 07:39:42,583 INFO L470 AbstractCegarLoop]: Abstraction has has 289 places, 268 transitions, 852 flow [2021-11-07 07:39:42,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 233.57142857142858) internal successors, (1635), 7 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:42,583 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:42,584 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:42,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 07:39:42,584 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:42,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:42,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1330730420, now seen corresponding path program 1 times [2021-11-07 07:39:42,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:42,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801954684] [2021-11-07 07:39:42,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:42,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:42,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:42,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:42,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801954684] [2021-11-07 07:39:42,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801954684] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:42,699 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:42,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-07 07:39:42,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750867985] [2021-11-07 07:39:42,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 07:39:42,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:42,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 07:39:42,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-07 07:39:42,704 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 254 [2021-11-07 07:39:42,706 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 268 transitions, 852 flow. Second operand has 8 states, 8 states have (on average 229.875) internal successors, (1839), 8 states have internal predecessors, (1839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:42,706 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:42,706 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 254 [2021-11-07 07:39:42,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:43,411 INFO L129 PetriNetUnfolder]: 329/2917 cut-off events. [2021-11-07 07:39:43,412 INFO L130 PetriNetUnfolder]: For 3405/3641 co-relation queries the response was YES. [2021-11-07 07:39:43,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6114 conditions, 2917 events. 329/2917 cut-off events. For 3405/3641 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 33057 event pairs, 219 based on Foata normal form. 95/2853 useless extension candidates. Maximal degree in co-relation 6075. Up to 579 conditions per place. [2021-11-07 07:39:43,474 INFO L132 encePairwiseOnDemand]: 244/254 looper letters, 25 selfloop transitions, 7 changer transitions 11/285 dead transitions. [2021-11-07 07:39:43,474 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 285 transitions, 1048 flow [2021-11-07 07:39:43,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 07:39:43,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-07 07:39:43,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2315 transitions. [2021-11-07 07:39:43,483 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9114173228346457 [2021-11-07 07:39:43,483 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2315 transitions. [2021-11-07 07:39:43,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2315 transitions. [2021-11-07 07:39:43,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:43,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2315 transitions. [2021-11-07 07:39:43,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 231.5) internal successors, (2315), 10 states have internal predecessors, (2315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:43,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 254.0) internal successors, (2794), 11 states have internal predecessors, (2794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:43,500 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 254.0) internal successors, (2794), 11 states have internal predecessors, (2794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:43,500 INFO L186 Difference]: Start difference. First operand has 289 places, 268 transitions, 852 flow. Second operand 10 states and 2315 transitions. [2021-11-07 07:39:43,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 285 transitions, 1048 flow [2021-11-07 07:39:43,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 285 transitions, 1025 flow, removed 5 selfloop flow, removed 9 redundant places. [2021-11-07 07:39:43,534 INFO L242 Difference]: Finished difference. Result has 294 places, 269 transitions, 878 flow [2021-11-07 07:39:43,535 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=833, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=878, PETRI_PLACES=294, PETRI_TRANSITIONS=269} [2021-11-07 07:39:43,535 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 68 predicate places. [2021-11-07 07:39:43,535 INFO L470 AbstractCegarLoop]: Abstraction has has 294 places, 269 transitions, 878 flow [2021-11-07 07:39:43,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 229.875) internal successors, (1839), 8 states have internal predecessors, (1839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:43,536 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:43,536 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:43,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-07 07:39:43,537 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:43,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:43,537 INFO L85 PathProgramCache]: Analyzing trace with hash 691739398, now seen corresponding path program 1 times [2021-11-07 07:39:43,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:43,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689927443] [2021-11-07 07:39:43,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:43,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:43,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:43,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:43,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689927443] [2021-11-07 07:39:43,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689927443] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:43,664 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:43,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-07 07:39:43,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429994371] [2021-11-07 07:39:43,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 07:39:43,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:43,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 07:39:43,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-07 07:39:43,668 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 254 [2021-11-07 07:39:43,671 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 269 transitions, 878 flow. Second operand has 9 states, 9 states have (on average 227.66666666666666) internal successors, (2049), 9 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:43,671 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:43,671 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 254 [2021-11-07 07:39:43,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:44,228 INFO L129 PetriNetUnfolder]: 76/1581 cut-off events. [2021-11-07 07:39:44,228 INFO L130 PetriNetUnfolder]: For 1273/1742 co-relation queries the response was YES. [2021-11-07 07:39:44,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3135 conditions, 1581 events. 76/1581 cut-off events. For 1273/1742 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 15244 event pairs, 29 based on Foata normal form. 90/1557 useless extension candidates. Maximal degree in co-relation 3092. Up to 156 conditions per place. [2021-11-07 07:39:44,258 INFO L132 encePairwiseOnDemand]: 241/254 looper letters, 22 selfloop transitions, 14 changer transitions 3/282 dead transitions. [2021-11-07 07:39:44,259 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 282 transitions, 1012 flow [2021-11-07 07:39:44,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-07 07:39:44,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-11-07 07:39:44,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 3879 transitions. [2021-11-07 07:39:44,271 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8983325613710051 [2021-11-07 07:39:44,271 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 3879 transitions. [2021-11-07 07:39:44,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 3879 transitions. [2021-11-07 07:39:44,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:44,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 3879 transitions. [2021-11-07 07:39:44,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 228.1764705882353) internal successors, (3879), 17 states have internal predecessors, (3879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:44,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 254.0) internal successors, (4572), 18 states have internal predecessors, (4572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:44,299 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 254.0) internal successors, (4572), 18 states have internal predecessors, (4572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:44,299 INFO L186 Difference]: Start difference. First operand has 294 places, 269 transitions, 878 flow. Second operand 17 states and 3879 transitions. [2021-11-07 07:39:44,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 282 transitions, 1012 flow [2021-11-07 07:39:44,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 282 transitions, 992 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-11-07 07:39:44,318 INFO L242 Difference]: Finished difference. Result has 313 places, 277 transitions, 964 flow [2021-11-07 07:39:44,319 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=862, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=964, PETRI_PLACES=313, PETRI_TRANSITIONS=277} [2021-11-07 07:39:44,319 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 87 predicate places. [2021-11-07 07:39:44,319 INFO L470 AbstractCegarLoop]: Abstraction has has 313 places, 277 transitions, 964 flow [2021-11-07 07:39:44,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 227.66666666666666) internal successors, (2049), 9 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:44,321 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:44,321 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:44,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-07 07:39:44,321 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:44,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:44,322 INFO L85 PathProgramCache]: Analyzing trace with hash -2055744910, now seen corresponding path program 1 times [2021-11-07 07:39:44,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:44,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197143941] [2021-11-07 07:39:44,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:44,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:44,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:44,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:44,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197143941] [2021-11-07 07:39:44,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197143941] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:44,368 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:44,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:39:44,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883778193] [2021-11-07 07:39:44,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:39:44,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:44,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:39:44,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:39:44,371 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 254 [2021-11-07 07:39:44,372 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 277 transitions, 964 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:44,372 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:44,372 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 254 [2021-11-07 07:39:44,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:44,967 INFO L129 PetriNetUnfolder]: 108/2171 cut-off events. [2021-11-07 07:39:44,967 INFO L130 PetriNetUnfolder]: For 2094/2750 co-relation queries the response was YES. [2021-11-07 07:39:45,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4474 conditions, 2171 events. 108/2171 cut-off events. For 2094/2750 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 22265 event pairs, 55 based on Foata normal form. 15/2014 useless extension candidates. Maximal degree in co-relation 4421. Up to 173 conditions per place. [2021-11-07 07:39:45,013 INFO L132 encePairwiseOnDemand]: 246/254 looper letters, 6 selfloop transitions, 5 changer transitions 0/280 dead transitions. [2021-11-07 07:39:45,014 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 280 transitions, 992 flow [2021-11-07 07:39:45,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:39:45,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-07 07:39:45,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 728 transitions. [2021-11-07 07:39:45,016 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9553805774278216 [2021-11-07 07:39:45,016 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 728 transitions. [2021-11-07 07:39:45,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 728 transitions. [2021-11-07 07:39:45,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:45,017 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 728 transitions. [2021-11-07 07:39:45,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 242.66666666666666) internal successors, (728), 3 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:45,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:45,021 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:45,021 INFO L186 Difference]: Start difference. First operand has 313 places, 277 transitions, 964 flow. Second operand 3 states and 728 transitions. [2021-11-07 07:39:45,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 280 transitions, 992 flow [2021-11-07 07:39:45,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 280 transitions, 965 flow, removed 8 selfloop flow, removed 8 redundant places. [2021-11-07 07:39:45,058 INFO L242 Difference]: Finished difference. Result has 307 places, 280 transitions, 975 flow [2021-11-07 07:39:45,059 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=937, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=975, PETRI_PLACES=307, PETRI_TRANSITIONS=280} [2021-11-07 07:39:45,059 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 81 predicate places. [2021-11-07 07:39:45,059 INFO L470 AbstractCegarLoop]: Abstraction has has 307 places, 280 transitions, 975 flow [2021-11-07 07:39:45,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:45,060 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:45,060 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:45,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-07 07:39:45,060 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:45,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:45,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1105359416, now seen corresponding path program 2 times [2021-11-07 07:39:45,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:45,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966625926] [2021-11-07 07:39:45,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:45,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:45,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:45,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:45,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966625926] [2021-11-07 07:39:45,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966625926] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:45,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:45,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:39:45,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180732295] [2021-11-07 07:39:45,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:39:45,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:45,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:39:45,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:39:45,108 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 254 [2021-11-07 07:39:45,109 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 280 transitions, 975 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:45,109 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:45,109 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 254 [2021-11-07 07:39:45,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:45,595 INFO L129 PetriNetUnfolder]: 99/1994 cut-off events. [2021-11-07 07:39:45,595 INFO L130 PetriNetUnfolder]: For 1698/2330 co-relation queries the response was YES. [2021-11-07 07:39:45,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4075 conditions, 1994 events. 99/1994 cut-off events. For 1698/2330 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 19906 event pairs, 49 based on Foata normal form. 19/1861 useless extension candidates. Maximal degree in co-relation 3913. Up to 163 conditions per place. [2021-11-07 07:39:45,643 INFO L132 encePairwiseOnDemand]: 248/254 looper letters, 11 selfloop transitions, 3 changer transitions 0/283 dead transitions. [2021-11-07 07:39:45,643 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 283 transitions, 1015 flow [2021-11-07 07:39:45,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:39:45,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-07 07:39:45,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 728 transitions. [2021-11-07 07:39:45,646 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9553805774278216 [2021-11-07 07:39:45,646 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 728 transitions. [2021-11-07 07:39:45,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 728 transitions. [2021-11-07 07:39:45,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:45,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 728 transitions. [2021-11-07 07:39:45,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 242.66666666666666) internal successors, (728), 3 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:45,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:45,655 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:45,657 INFO L186 Difference]: Start difference. First operand has 307 places, 280 transitions, 975 flow. Second operand 3 states and 728 transitions. [2021-11-07 07:39:45,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 283 transitions, 1015 flow [2021-11-07 07:39:45,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 283 transitions, 1005 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-07 07:39:45,689 INFO L242 Difference]: Finished difference. Result has 309 places, 283 transitions, 1001 flow [2021-11-07 07:39:45,690 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=965, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1001, PETRI_PLACES=309, PETRI_TRANSITIONS=283} [2021-11-07 07:39:45,690 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 83 predicate places. [2021-11-07 07:39:45,690 INFO L470 AbstractCegarLoop]: Abstraction has has 309 places, 283 transitions, 1001 flow [2021-11-07 07:39:45,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:45,691 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:45,691 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:45,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-07 07:39:45,691 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:45,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:45,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1668459180, now seen corresponding path program 1 times [2021-11-07 07:39:45,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:45,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957831169] [2021-11-07 07:39:45,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:45,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:45,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:45,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:45,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957831169] [2021-11-07 07:39:45,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957831169] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:45,755 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:45,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:39:45,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351624007] [2021-11-07 07:39:45,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:39:45,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:45,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:39:45,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:39:45,758 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 254 [2021-11-07 07:39:45,759 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 283 transitions, 1001 flow. Second operand has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:45,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:45,760 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 254 [2021-11-07 07:39:45,760 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:46,584 INFO L129 PetriNetUnfolder]: 197/3664 cut-off events. [2021-11-07 07:39:46,584 INFO L130 PetriNetUnfolder]: For 3459/4229 co-relation queries the response was YES. [2021-11-07 07:39:46,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7671 conditions, 3664 events. 197/3664 cut-off events. For 3459/4229 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 42224 event pairs, 89 based on Foata normal form. 40/3405 useless extension candidates. Maximal degree in co-relation 7413. Up to 308 conditions per place. [2021-11-07 07:39:46,689 INFO L132 encePairwiseOnDemand]: 246/254 looper letters, 10 selfloop transitions, 4 changer transitions 16/287 dead transitions. [2021-11-07 07:39:46,689 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 287 transitions, 1037 flow [2021-11-07 07:39:46,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:39:46,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-07 07:39:46,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 726 transitions. [2021-11-07 07:39:46,691 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.952755905511811 [2021-11-07 07:39:46,692 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 726 transitions. [2021-11-07 07:39:46,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 726 transitions. [2021-11-07 07:39:46,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:46,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 726 transitions. [2021-11-07 07:39:46,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:46,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:46,697 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:46,698 INFO L186 Difference]: Start difference. First operand has 309 places, 283 transitions, 1001 flow. Second operand 3 states and 726 transitions. [2021-11-07 07:39:46,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 287 transitions, 1037 flow [2021-11-07 07:39:46,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 287 transitions, 1028 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-11-07 07:39:46,765 INFO L242 Difference]: Finished difference. Result has 312 places, 271 transitions, 946 flow [2021-11-07 07:39:46,767 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=992, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=946, PETRI_PLACES=312, PETRI_TRANSITIONS=271} [2021-11-07 07:39:46,768 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 86 predicate places. [2021-11-07 07:39:46,768 INFO L470 AbstractCegarLoop]: Abstraction has has 312 places, 271 transitions, 946 flow [2021-11-07 07:39:46,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:46,769 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:46,769 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:46,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-07 07:39:46,770 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:46,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:46,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1025874942, now seen corresponding path program 2 times [2021-11-07 07:39:46,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:46,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969147725] [2021-11-07 07:39:46,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:46,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:46,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:46,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:46,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969147725] [2021-11-07 07:39:46,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969147725] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:46,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:46,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:39:46,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350967964] [2021-11-07 07:39:46,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:39:46,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:46,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:39:46,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:39:46,823 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 254 [2021-11-07 07:39:46,825 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 271 transitions, 946 flow. Second operand has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:46,825 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:46,825 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 254 [2021-11-07 07:39:46,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:47,478 INFO L129 PetriNetUnfolder]: 121/2659 cut-off events. [2021-11-07 07:39:47,478 INFO L130 PetriNetUnfolder]: For 2080/2980 co-relation queries the response was YES. [2021-11-07 07:39:47,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5365 conditions, 2659 events. 121/2659 cut-off events. For 2080/2980 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 27705 event pairs, 42 based on Foata normal form. 42/2530 useless extension candidates. Maximal degree in co-relation 5318. Up to 182 conditions per place. [2021-11-07 07:39:47,541 INFO L132 encePairwiseOnDemand]: 244/254 looper letters, 12 selfloop transitions, 6 changer transitions 0/275 dead transitions. [2021-11-07 07:39:47,541 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 275 transitions, 998 flow [2021-11-07 07:39:47,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:39:47,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-07 07:39:47,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 726 transitions. [2021-11-07 07:39:47,543 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.952755905511811 [2021-11-07 07:39:47,543 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 726 transitions. [2021-11-07 07:39:47,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 726 transitions. [2021-11-07 07:39:47,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:47,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 726 transitions. [2021-11-07 07:39:47,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:47,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:47,549 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:47,549 INFO L186 Difference]: Start difference. First operand has 312 places, 271 transitions, 946 flow. Second operand 3 states and 726 transitions. [2021-11-07 07:39:47,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 275 transitions, 998 flow [2021-11-07 07:39:47,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 275 transitions, 984 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-11-07 07:39:47,597 INFO L242 Difference]: Finished difference. Result has 298 places, 275 transitions, 988 flow [2021-11-07 07:39:47,597 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=932, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=988, PETRI_PLACES=298, PETRI_TRANSITIONS=275} [2021-11-07 07:39:47,598 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 72 predicate places. [2021-11-07 07:39:47,598 INFO L470 AbstractCegarLoop]: Abstraction has has 298 places, 275 transitions, 988 flow [2021-11-07 07:39:47,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:47,598 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:47,599 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:47,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-07 07:39:47,599 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:47,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:47,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1777560540, now seen corresponding path program 1 times [2021-11-07 07:39:47,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:47,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008753951] [2021-11-07 07:39:47,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:47,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:47,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:47,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:47,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008753951] [2021-11-07 07:39:47,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008753951] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:47,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:47,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-07 07:39:47,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679587608] [2021-11-07 07:39:47,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 07:39:47,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:47,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 07:39:47,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-07 07:39:47,739 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 254 [2021-11-07 07:39:47,742 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 275 transitions, 988 flow. Second operand has 9 states, 9 states have (on average 227.66666666666666) internal successors, (2049), 9 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:47,742 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:47,742 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 254 [2021-11-07 07:39:47,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:48,469 INFO L129 PetriNetUnfolder]: 120/2706 cut-off events. [2021-11-07 07:39:48,469 INFO L130 PetriNetUnfolder]: For 1722/2405 co-relation queries the response was YES. [2021-11-07 07:39:48,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5345 conditions, 2706 events. 120/2706 cut-off events. For 1722/2405 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 28371 event pairs, 42 based on Foata normal form. 40/2573 useless extension candidates. Maximal degree in co-relation 5301. Up to 182 conditions per place. [2021-11-07 07:39:48,528 INFO L132 encePairwiseOnDemand]: 241/254 looper letters, 19 selfloop transitions, 11 changer transitions 3/286 dead transitions. [2021-11-07 07:39:48,529 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 286 transitions, 1092 flow [2021-11-07 07:39:48,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 07:39:48,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-07 07:39:48,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2064 transitions. [2021-11-07 07:39:48,533 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9028871391076115 [2021-11-07 07:39:48,533 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2064 transitions. [2021-11-07 07:39:48,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2064 transitions. [2021-11-07 07:39:48,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:48,535 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2064 transitions. [2021-11-07 07:39:48,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 229.33333333333334) internal successors, (2064), 9 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:48,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 254.0) internal successors, (2540), 10 states have internal predecessors, (2540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:48,547 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 254.0) internal successors, (2540), 10 states have internal predecessors, (2540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:48,547 INFO L186 Difference]: Start difference. First operand has 298 places, 275 transitions, 988 flow. Second operand 9 states and 2064 transitions. [2021-11-07 07:39:48,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 286 transitions, 1092 flow [2021-11-07 07:39:48,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 286 transitions, 1072 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-11-07 07:39:48,586 INFO L242 Difference]: Finished difference. Result has 311 places, 283 transitions, 1055 flow [2021-11-07 07:39:48,586 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=968, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1055, PETRI_PLACES=311, PETRI_TRANSITIONS=283} [2021-11-07 07:39:48,588 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 85 predicate places. [2021-11-07 07:39:48,588 INFO L470 AbstractCegarLoop]: Abstraction has has 311 places, 283 transitions, 1055 flow [2021-11-07 07:39:48,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 227.66666666666666) internal successors, (2049), 9 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:48,589 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:48,589 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:48,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-07 07:39:48,590 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:48,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:48,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1038161704, now seen corresponding path program 1 times [2021-11-07 07:39:48,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:48,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570645985] [2021-11-07 07:39:48,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:48,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:48,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:48,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:48,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570645985] [2021-11-07 07:39:48,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570645985] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:48,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:48,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:39:48,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009810823] [2021-11-07 07:39:48,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:39:48,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:48,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:39:48,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:39:48,637 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 254 [2021-11-07 07:39:48,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 283 transitions, 1055 flow. Second operand has 3 states, 3 states have (on average 241.33333333333334) internal successors, (724), 3 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:48,638 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:48,638 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 254 [2021-11-07 07:39:48,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:49,486 INFO L129 PetriNetUnfolder]: 140/3826 cut-off events. [2021-11-07 07:39:49,486 INFO L130 PetriNetUnfolder]: For 2362/2879 co-relation queries the response was YES. [2021-11-07 07:39:49,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7574 conditions, 3826 events. 140/3826 cut-off events. For 2362/2879 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 45047 event pairs, 63 based on Foata normal form. 24/3611 useless extension candidates. Maximal degree in co-relation 7523. Up to 263 conditions per place. [2021-11-07 07:39:49,563 INFO L132 encePairwiseOnDemand]: 250/254 looper letters, 6 selfloop transitions, 2 changer transitions 8/285 dead transitions. [2021-11-07 07:39:49,564 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 285 transitions, 1075 flow [2021-11-07 07:39:49,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:39:49,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-07 07:39:49,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 730 transitions. [2021-11-07 07:39:49,566 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.958005249343832 [2021-11-07 07:39:49,566 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 730 transitions. [2021-11-07 07:39:49,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 730 transitions. [2021-11-07 07:39:49,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:49,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 730 transitions. [2021-11-07 07:39:49,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:49,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:49,571 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:49,571 INFO L186 Difference]: Start difference. First operand has 311 places, 283 transitions, 1055 flow. Second operand 3 states and 730 transitions. [2021-11-07 07:39:49,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 285 transitions, 1075 flow [2021-11-07 07:39:49,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 285 transitions, 1060 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-11-07 07:39:49,630 INFO L242 Difference]: Finished difference. Result has 310 places, 277 transitions, 1014 flow [2021-11-07 07:39:49,630 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=1040, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1014, PETRI_PLACES=310, PETRI_TRANSITIONS=277} [2021-11-07 07:39:49,631 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 84 predicate places. [2021-11-07 07:39:49,631 INFO L470 AbstractCegarLoop]: Abstraction has has 310 places, 277 transitions, 1014 flow [2021-11-07 07:39:49,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 241.33333333333334) internal successors, (724), 3 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:49,632 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:49,632 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:49,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-07 07:39:49,632 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:49,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:49,633 INFO L85 PathProgramCache]: Analyzing trace with hash 2037313266, now seen corresponding path program 2 times [2021-11-07 07:39:49,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:49,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493245458] [2021-11-07 07:39:49,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:49,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:49,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:49,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:49,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493245458] [2021-11-07 07:39:49,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493245458] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:49,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:49,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:39:49,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797203476] [2021-11-07 07:39:49,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:39:49,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:49,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:39:49,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:39:49,675 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 254 [2021-11-07 07:39:49,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 277 transitions, 1014 flow. Second operand has 3 states, 3 states have (on average 241.33333333333334) internal successors, (724), 3 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:49,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:49,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 254 [2021-11-07 07:39:49,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:50,344 INFO L129 PetriNetUnfolder]: 110/2841 cut-off events. [2021-11-07 07:39:50,344 INFO L130 PetriNetUnfolder]: For 1819/2203 co-relation queries the response was YES. [2021-11-07 07:39:50,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5633 conditions, 2841 events. 110/2841 cut-off events. For 1819/2203 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 30724 event pairs, 50 based on Foata normal form. 27/2682 useless extension candidates. Maximal degree in co-relation 5583. Up to 206 conditions per place. [2021-11-07 07:39:50,402 INFO L132 encePairwiseOnDemand]: 248/254 looper letters, 6 selfloop transitions, 4 changer transitions 2/279 dead transitions. [2021-11-07 07:39:50,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 279 transitions, 1042 flow [2021-11-07 07:39:50,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:39:50,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-07 07:39:50,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 730 transitions. [2021-11-07 07:39:50,406 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.958005249343832 [2021-11-07 07:39:50,406 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 730 transitions. [2021-11-07 07:39:50,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 730 transitions. [2021-11-07 07:39:50,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:50,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 730 transitions. [2021-11-07 07:39:50,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:50,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:50,414 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:50,414 INFO L186 Difference]: Start difference. First operand has 310 places, 277 transitions, 1014 flow. Second operand 3 states and 730 transitions. [2021-11-07 07:39:50,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 279 transitions, 1042 flow [2021-11-07 07:39:50,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 279 transitions, 1006 flow, removed 16 selfloop flow, removed 6 redundant places. [2021-11-07 07:39:50,457 INFO L242 Difference]: Finished difference. Result has 302 places, 277 transitions, 1002 flow [2021-11-07 07:39:50,457 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=978, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1002, PETRI_PLACES=302, PETRI_TRANSITIONS=277} [2021-11-07 07:39:50,458 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 76 predicate places. [2021-11-07 07:39:50,458 INFO L470 AbstractCegarLoop]: Abstraction has has 302 places, 277 transitions, 1002 flow [2021-11-07 07:39:50,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 241.33333333333334) internal successors, (724), 3 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:50,458 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:50,459 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:50,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-07 07:39:50,459 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:50,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:50,460 INFO L85 PathProgramCache]: Analyzing trace with hash 696813874, now seen corresponding path program 1 times [2021-11-07 07:39:50,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:50,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736762500] [2021-11-07 07:39:50,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:50,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:50,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:50,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:50,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736762500] [2021-11-07 07:39:50,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736762500] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:50,607 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:50,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-07 07:39:50,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141344676] [2021-11-07 07:39:50,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 07:39:50,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:50,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 07:39:50,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-07 07:39:50,613 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 254 [2021-11-07 07:39:50,616 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 277 transitions, 1002 flow. Second operand has 9 states, 9 states have (on average 224.11111111111111) internal successors, (2017), 9 states have internal predecessors, (2017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:50,616 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:50,616 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 254 [2021-11-07 07:39:50,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:52,022 INFO L129 PetriNetUnfolder]: 825/5907 cut-off events. [2021-11-07 07:39:52,023 INFO L130 PetriNetUnfolder]: For 3909/4752 co-relation queries the response was YES. [2021-11-07 07:39:52,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13135 conditions, 5907 events. 825/5907 cut-off events. For 3909/4752 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 73876 event pairs, 603 based on Foata normal form. 90/5390 useless extension candidates. Maximal degree in co-relation 13089. Up to 1386 conditions per place. [2021-11-07 07:39:52,118 INFO L132 encePairwiseOnDemand]: 238/254 looper letters, 44 selfloop transitions, 25 changer transitions 16/319 dead transitions. [2021-11-07 07:39:52,118 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 319 transitions, 1364 flow [2021-11-07 07:39:52,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 07:39:52,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-07 07:39:52,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2943 transitions. [2021-11-07 07:39:52,125 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8912780133252575 [2021-11-07 07:39:52,126 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2943 transitions. [2021-11-07 07:39:52,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2943 transitions. [2021-11-07 07:39:52,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:52,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2943 transitions. [2021-11-07 07:39:52,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 226.3846153846154) internal successors, (2943), 13 states have internal predecessors, (2943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:52,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 254.0) internal successors, (3556), 14 states have internal predecessors, (3556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:52,145 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 254.0) internal successors, (3556), 14 states have internal predecessors, (3556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:52,145 INFO L186 Difference]: Start difference. First operand has 302 places, 277 transitions, 1002 flow. Second operand 13 states and 2943 transitions. [2021-11-07 07:39:52,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 319 transitions, 1364 flow [2021-11-07 07:39:52,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 319 transitions, 1352 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-11-07 07:39:52,257 INFO L242 Difference]: Finished difference. Result has 323 places, 295 transitions, 1224 flow [2021-11-07 07:39:52,258 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=990, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1224, PETRI_PLACES=323, PETRI_TRANSITIONS=295} [2021-11-07 07:39:52,258 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 97 predicate places. [2021-11-07 07:39:52,259 INFO L470 AbstractCegarLoop]: Abstraction has has 323 places, 295 transitions, 1224 flow [2021-11-07 07:39:52,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 224.11111111111111) internal successors, (2017), 9 states have internal predecessors, (2017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:52,260 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:52,260 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:52,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-07 07:39:52,260 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:52,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:52,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1125240226, now seen corresponding path program 2 times [2021-11-07 07:39:52,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:52,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643571368] [2021-11-07 07:39:52,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:52,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:52,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:52,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:52,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643571368] [2021-11-07 07:39:52,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643571368] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:52,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:52,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-07 07:39:52,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295810356] [2021-11-07 07:39:52,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 07:39:52,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:52,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 07:39:52,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-07 07:39:52,394 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 254 [2021-11-07 07:39:52,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 295 transitions, 1224 flow. Second operand has 10 states, 10 states have (on average 223.9) internal successors, (2239), 10 states have internal predecessors, (2239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:52,398 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:52,398 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 254 [2021-11-07 07:39:52,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:53,534 INFO L129 PetriNetUnfolder]: 811/5545 cut-off events. [2021-11-07 07:39:53,534 INFO L130 PetriNetUnfolder]: For 22461/25472 co-relation queries the response was YES. [2021-11-07 07:39:53,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16667 conditions, 5545 events. 811/5545 cut-off events. For 22461/25472 co-relation queries the response was YES. Maximal size of possible extension queue 427. Compared 69113 event pairs, 238 based on Foata normal form. 330/5314 useless extension candidates. Maximal degree in co-relation 16610. Up to 769 conditions per place. [2021-11-07 07:39:53,614 INFO L132 encePairwiseOnDemand]: 240/254 looper letters, 45 selfloop transitions, 18 changer transitions 17/314 dead transitions. [2021-11-07 07:39:53,614 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 314 transitions, 1628 flow [2021-11-07 07:39:53,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 07:39:53,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-07 07:39:53,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2265 transitions. [2021-11-07 07:39:53,620 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8917322834645669 [2021-11-07 07:39:53,620 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2265 transitions. [2021-11-07 07:39:53,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2265 transitions. [2021-11-07 07:39:53,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:53,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2265 transitions. [2021-11-07 07:39:53,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 226.5) internal successors, (2265), 10 states have internal predecessors, (2265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:53,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 254.0) internal successors, (2794), 11 states have internal predecessors, (2794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:53,636 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 254.0) internal successors, (2794), 11 states have internal predecessors, (2794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:53,636 INFO L186 Difference]: Start difference. First operand has 323 places, 295 transitions, 1224 flow. Second operand 10 states and 2265 transitions. [2021-11-07 07:39:53,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 314 transitions, 1628 flow [2021-11-07 07:39:53,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 314 transitions, 1560 flow, removed 34 selfloop flow, removed 2 redundant places. [2021-11-07 07:39:53,763 INFO L242 Difference]: Finished difference. Result has 331 places, 290 transitions, 1171 flow [2021-11-07 07:39:53,763 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=1160, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1171, PETRI_PLACES=331, PETRI_TRANSITIONS=290} [2021-11-07 07:39:53,763 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 105 predicate places. [2021-11-07 07:39:53,764 INFO L470 AbstractCegarLoop]: Abstraction has has 331 places, 290 transitions, 1171 flow [2021-11-07 07:39:53,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 223.9) internal successors, (2239), 10 states have internal predecessors, (2239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:53,764 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:53,764 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:53,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-07 07:39:53,764 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:53,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:53,765 INFO L85 PathProgramCache]: Analyzing trace with hash -66938489, now seen corresponding path program 1 times [2021-11-07 07:39:53,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:53,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865246135] [2021-11-07 07:39:53,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:53,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:53,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:53,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:53,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865246135] [2021-11-07 07:39:53,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865246135] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:53,880 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:53,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-07 07:39:53,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822156567] [2021-11-07 07:39:53,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 07:39:53,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:53,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 07:39:53,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-07 07:39:53,885 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 254 [2021-11-07 07:39:53,887 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 290 transitions, 1171 flow. Second operand has 10 states, 10 states have (on average 223.9) internal successors, (2239), 10 states have internal predecessors, (2239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:53,888 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:53,888 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 254 [2021-11-07 07:39:53,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:39:54,928 INFO L129 PetriNetUnfolder]: 699/5172 cut-off events. [2021-11-07 07:39:54,928 INFO L130 PetriNetUnfolder]: For 18329/22650 co-relation queries the response was YES. [2021-11-07 07:39:55,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14554 conditions, 5172 events. 699/5172 cut-off events. For 18329/22650 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 65124 event pairs, 414 based on Foata normal form. 139/4872 useless extension candidates. Maximal degree in co-relation 14495. Up to 962 conditions per place. [2021-11-07 07:39:55,021 INFO L132 encePairwiseOnDemand]: 240/254 looper letters, 41 selfloop transitions, 11 changer transitions 77/382 dead transitions. [2021-11-07 07:39:55,021 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 382 transitions, 2222 flow [2021-11-07 07:39:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 07:39:55,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-11-07 07:39:55,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 3159 transitions. [2021-11-07 07:39:55,027 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8883577052868391 [2021-11-07 07:39:55,027 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 3159 transitions. [2021-11-07 07:39:55,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 3159 transitions. [2021-11-07 07:39:55,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:39:55,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 3159 transitions. [2021-11-07 07:39:55,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 225.64285714285714) internal successors, (3159), 14 states have internal predecessors, (3159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:55,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 254.0) internal successors, (3810), 15 states have internal predecessors, (3810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:55,043 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 254.0) internal successors, (3810), 15 states have internal predecessors, (3810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:55,044 INFO L186 Difference]: Start difference. First operand has 331 places, 290 transitions, 1171 flow. Second operand 14 states and 3159 transitions. [2021-11-07 07:39:55,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 382 transitions, 2222 flow [2021-11-07 07:39:55,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 382 transitions, 2128 flow, removed 13 selfloop flow, removed 9 redundant places. [2021-11-07 07:39:55,142 INFO L242 Difference]: Finished difference. Result has 344 places, 296 transitions, 1220 flow [2021-11-07 07:39:55,142 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=1133, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1220, PETRI_PLACES=344, PETRI_TRANSITIONS=296} [2021-11-07 07:39:55,143 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 118 predicate places. [2021-11-07 07:39:55,143 INFO L470 AbstractCegarLoop]: Abstraction has has 344 places, 296 transitions, 1220 flow [2021-11-07 07:39:55,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 223.9) internal successors, (2239), 10 states have internal predecessors, (2239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:55,143 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:39:55,144 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:39:55,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-07 07:39:55,144 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:39:55,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:39:55,145 INFO L85 PathProgramCache]: Analyzing trace with hash -2112301261, now seen corresponding path program 1 times [2021-11-07 07:39:55,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:39:55,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338038181] [2021-11-07 07:39:55,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:39:55,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:39:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:39:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:39:55,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:39:55,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338038181] [2021-11-07 07:39:55,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338038181] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:39:55,824 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:39:55,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-11-07 07:39:55,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496136134] [2021-11-07 07:39:55,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-07 07:39:55,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:39:55,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-07 07:39:55,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2021-11-07 07:39:55,834 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 254 [2021-11-07 07:39:55,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 296 transitions, 1220 flow. Second operand has 34 states, 34 states have (on average 159.23529411764707) internal successors, (5414), 34 states have internal predecessors, (5414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:39:55,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:39:55,839 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 254 [2021-11-07 07:39:55,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 07:41:32,078 INFO L129 PetriNetUnfolder]: 50729/104305 cut-off events. [2021-11-07 07:41:32,078 INFO L130 PetriNetUnfolder]: For 184908/185805 co-relation queries the response was YES. [2021-11-07 07:41:33,745 INFO L84 FinitePrefix]: Finished finitePrefix Result has 292065 conditions, 104305 events. 50729/104305 cut-off events. For 184908/185805 co-relation queries the response was YES. Maximal size of possible extension queue 1937. Compared 1130232 event pairs, 23998 based on Foata normal form. 319/101843 useless extension candidates. Maximal degree in co-relation 291998. Up to 40834 conditions per place. [2021-11-07 07:41:34,331 INFO L132 encePairwiseOnDemand]: 206/254 looper letters, 2682 selfloop transitions, 180 changer transitions 1626/4650 dead transitions. [2021-11-07 07:41:34,331 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 990 places, 4650 transitions, 27915 flow [2021-11-07 07:41:34,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 649 states. [2021-11-07 07:41:34,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2021-11-07 07:41:34,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 106213 transitions. [2021-11-07 07:41:34,522 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6443165135945064 [2021-11-07 07:41:34,523 INFO L72 ComplementDD]: Start complementDD. Operand 649 states and 106213 transitions. [2021-11-07 07:41:34,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 649 states and 106213 transitions. [2021-11-07 07:41:34,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:41:34,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 649 states and 106213 transitions. [2021-11-07 07:41:34,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 650 states, 649 states have (on average 163.65639445300462) internal successors, (106213), 649 states have internal predecessors, (106213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:41:34,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 650 states, 650 states have (on average 254.0) internal successors, (165100), 650 states have internal predecessors, (165100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:41:34,971 INFO L81 ComplementDD]: Finished complementDD. Result has 650 states, 650 states have (on average 254.0) internal successors, (165100), 650 states have internal predecessors, (165100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:41:34,972 INFO L186 Difference]: Start difference. First operand has 344 places, 296 transitions, 1220 flow. Second operand 649 states and 106213 transitions. [2021-11-07 07:41:34,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 990 places, 4650 transitions, 27915 flow [2021-11-07 07:41:40,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 985 places, 4650 transitions, 27748 flow, removed 59 selfloop flow, removed 5 redundant places. [2021-11-07 07:41:41,054 INFO L242 Difference]: Finished difference. Result has 1622 places, 467 transitions, 4768 flow [2021-11-07 07:41:41,055 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=1193, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=649, PETRI_FLOW=4768, PETRI_PLACES=1622, PETRI_TRANSITIONS=467} [2021-11-07 07:41:41,055 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 1396 predicate places. [2021-11-07 07:41:41,055 INFO L470 AbstractCegarLoop]: Abstraction has has 1622 places, 467 transitions, 4768 flow [2021-11-07 07:41:41,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 159.23529411764707) internal successors, (5414), 34 states have internal predecessors, (5414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:41:41,057 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 07:41:41,057 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:41:41,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-07 07:41:41,058 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 07:41:41,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:41:41,059 INFO L85 PathProgramCache]: Analyzing trace with hash -495225909, now seen corresponding path program 2 times [2021-11-07 07:41:41,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:41:41,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180672829] [2021-11-07 07:41:41,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:41:41,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:41:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:41:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:41:41,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:41:41,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180672829] [2021-11-07 07:41:41,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180672829] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:41:41,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:41:41,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-11-07 07:41:41,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262141654] [2021-11-07 07:41:41,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-07 07:41:41,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:41:41,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-07 07:41:41,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2021-11-07 07:41:41,729 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 254 [2021-11-07 07:41:41,734 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1622 places, 467 transitions, 4768 flow. Second operand has 34 states, 34 states have (on average 159.23529411764707) internal successors, (5414), 34 states have internal predecessors, (5414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:41:41,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 07:41:41,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 254 [2021-11-07 07:41:41,735 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand