./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP --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 4583285deb29d8014ded34089a46614a743cea13eee9bbb990cdfd770bfce36e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:22:23,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:22:23,663 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:22:23,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:22:23,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:22:23,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:22:23,711 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:22:23,712 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:22:23,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:22:23,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:22:23,720 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:22:23,721 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:22:23,721 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:22:23,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:22:23,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:22:23,724 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:22:23,725 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:22:23,725 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:22:23,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:22:23,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:22:23,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:22:23,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:22:23,728 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:22:23,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:22:23,729 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:22:23,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:22:23,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:22:23,731 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:22:23,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:22:23,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:22:23,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:22:23,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:22:23,734 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:22:23,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:22:23,734 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:22:23,735 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:22:23,735 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:22:23,735 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:22:23,736 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:22:23,736 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4583285deb29d8014ded34089a46614a743cea13eee9bbb990cdfd770bfce36e [2023-11-06 22:22:24,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:22:24,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:22:24,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:22:24,107 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:22:24,108 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:22:24,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2023-11-06 22:22:27,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:22:27,660 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:22:27,672 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2023-11-06 22:22:27,692 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/data/cae34fed4/554ab79a936d400c9cf504234792d12a/FLAG1951c488e [2023-11-06 22:22:27,713 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/data/cae34fed4/554ab79a936d400c9cf504234792d12a [2023-11-06 22:22:27,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:22:27,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:22:27,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:22:27,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:22:27,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:22:27,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:22:27" (1/1) ... [2023-11-06 22:22:27,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55332985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:27, skipping insertion in model container [2023-11-06 22:22:27,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:22:27" (1/1) ... [2023-11-06 22:22:27,808 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:22:28,205 WARN L240 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_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c[19177,19190] [2023-11-06 22:22:28,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:22:28,220 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:22:28,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2023-11-06 22:22:28,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] [2023-11-06 22:22:28,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [354] [2023-11-06 22:22:28,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [455] [2023-11-06 22:22:28,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [495] [2023-11-06 22:22:28,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [530] [2023-11-06 22:22:28,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [634] [2023-11-06 22:22:28,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1000] [2023-11-06 22:22:28,319 WARN L240 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_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c[19177,19190] [2023-11-06 22:22:28,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:22:28,347 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:22:28,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:28 WrapperNode [2023-11-06 22:22:28,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:22:28,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:22:28,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:22:28,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:22:28,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:28" (1/1) ... [2023-11-06 22:22:28,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:28" (1/1) ... [2023-11-06 22:22:28,424 INFO L138 Inliner]: procedures = 58, calls = 102, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 212 [2023-11-06 22:22:28,425 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:22:28,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:22:28,426 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:22:28,426 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:22:28,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:28" (1/1) ... [2023-11-06 22:22:28,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:28" (1/1) ... [2023-11-06 22:22:28,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:28" (1/1) ... [2023-11-06 22:22:28,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:28" (1/1) ... [2023-11-06 22:22:28,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:28" (1/1) ... [2023-11-06 22:22:28,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:28" (1/1) ... [2023-11-06 22:22:28,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:28" (1/1) ... [2023-11-06 22:22:28,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:28" (1/1) ... [2023-11-06 22:22:28,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:22:28,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:22:28,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:22:28,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:22:28,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:28" (1/1) ... [2023-11-06 22:22:28,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:22:28,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:28,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:22:28,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:22:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:22:28,553 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-06 22:22:28,553 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-06 22:22:28,553 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-06 22:22:28,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-06 22:22:28,556 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-06 22:22:28,557 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-06 22:22:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-06 22:22:28,557 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-06 22:22:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:22:28,557 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:22:28,558 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-06 22:22:28,558 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-06 22:22:28,558 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-06 22:22:28,558 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-06 22:22:28,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:22:28,559 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-06 22:22:28,560 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-06 22:22:28,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:22:28,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:22:28,695 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:22:28,697 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:22:28,982 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:22:28,992 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:22:28,992 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:22:28,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:22:28 BoogieIcfgContainer [2023-11-06 22:22:28,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:22:29,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:22:29,001 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:22:29,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:22:29,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:22:27" (1/3) ... [2023-11-06 22:22:29,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3d7982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:22:29, skipping insertion in model container [2023-11-06 22:22:29,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:28" (2/3) ... [2023-11-06 22:22:29,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3d7982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:22:29, skipping insertion in model container [2023-11-06 22:22:29,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:22:28" (3/3) ... [2023-11-06 22:22:29,010 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52.cil.c [2023-11-06 22:22:29,029 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:22:29,029 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:22:29,099 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:22:29,106 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e36466c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:22:29,106 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:22:29,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 82 states have internal predecessors, (101), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-06 22:22:29,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 22:22:29,121 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:29,122 INFO L195 NwaCegarLoop]: 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] [2023-11-06 22:22:29,123 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:29,128 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:29,128 INFO L85 PathProgramCache]: Analyzing trace with hash -656399671, now seen corresponding path program 1 times [2023-11-06 22:22:29,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:29,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103519760] [2023-11-06 22:22:29,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:29,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:29,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:22:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:29,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:22:29,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:29,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103519760] [2023-11-06 22:22:29,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103519760] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:29,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:29,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:22:29,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180844549] [2023-11-06 22:22:29,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:29,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:22:29,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:29,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:22:29,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:22:29,462 INFO L87 Difference]: Start difference. First operand has 96 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 82 states have internal predecessors, (101), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:22:29,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:29,532 INFO L93 Difference]: Finished difference Result 183 states and 248 transitions. [2023-11-06 22:22:29,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:22:29,535 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2023-11-06 22:22:29,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:29,546 INFO L225 Difference]: With dead ends: 183 [2023-11-06 22:22:29,546 INFO L226 Difference]: Without dead ends: 87 [2023-11-06 22:22:29,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:22:29,556 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:29,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:22:29,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-06 22:22:29,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-06 22:22:29,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 74 states have internal predecessors, (87), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:22:29,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2023-11-06 22:22:29,622 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 25 [2023-11-06 22:22:29,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:29,624 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2023-11-06 22:22:29,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:22:29,625 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2023-11-06 22:22:29,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-06 22:22:29,629 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:29,629 INFO L195 NwaCegarLoop]: 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] [2023-11-06 22:22:29,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:22:29,630 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:29,631 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:29,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1991216904, now seen corresponding path program 1 times [2023-11-06 22:22:29,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:29,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823486979] [2023-11-06 22:22:29,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:29,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:29,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:22:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:29,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:22:29,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:29,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823486979] [2023-11-06 22:22:29,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823486979] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:29,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:29,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:22:29,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199518715] [2023-11-06 22:22:29,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:29,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:22:29,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:29,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:22:29,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:22:29,875 INFO L87 Difference]: Start difference. First operand 87 states and 112 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:22:29,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:29,920 INFO L93 Difference]: Finished difference Result 134 states and 172 transitions. [2023-11-06 22:22:29,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:22:29,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2023-11-06 22:22:29,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:29,924 INFO L225 Difference]: With dead ends: 134 [2023-11-06 22:22:29,925 INFO L226 Difference]: Without dead ends: 78 [2023-11-06 22:22:29,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:22:29,933 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 17 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:29,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 176 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:22:29,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-06 22:22:29,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-06 22:22:29,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 68 states have internal predecessors, (80), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:22:29,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2023-11-06 22:22:29,972 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 26 [2023-11-06 22:22:29,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:29,972 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2023-11-06 22:22:29,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:22:29,973 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2023-11-06 22:22:29,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 22:22:29,975 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:29,975 INFO L195 NwaCegarLoop]: 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] [2023-11-06 22:22:29,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:22:29,975 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:29,976 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:29,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1985117727, now seen corresponding path program 1 times [2023-11-06 22:22:29,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:29,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739871378] [2023-11-06 22:22:29,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:29,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:30,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:22:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:30,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:22:30,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:30,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739871378] [2023-11-06 22:22:30,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739871378] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:30,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:30,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:22:30,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773522836] [2023-11-06 22:22:30,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:30,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:22:30,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:30,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:22:30,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:22:30,148 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:22:30,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:30,212 INFO L93 Difference]: Finished difference Result 216 states and 283 transitions. [2023-11-06 22:22:30,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:22:30,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2023-11-06 22:22:30,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:30,216 INFO L225 Difference]: With dead ends: 216 [2023-11-06 22:22:30,216 INFO L226 Difference]: Without dead ends: 146 [2023-11-06 22:22:30,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:22:30,218 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 92 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:30,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 204 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:22:30,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-06 22:22:30,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 143. [2023-11-06 22:22:30,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 108 states have (on average 1.3611111111111112) internal successors, (147), 123 states have internal predecessors, (147), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 13 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:22:30,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 187 transitions. [2023-11-06 22:22:30,260 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 187 transitions. Word has length 31 [2023-11-06 22:22:30,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:30,260 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 187 transitions. [2023-11-06 22:22:30,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:22:30,270 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 187 transitions. [2023-11-06 22:22:30,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-06 22:22:30,274 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:30,274 INFO L195 NwaCegarLoop]: 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] [2023-11-06 22:22:30,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:22:30,274 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:30,275 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:30,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1980394589, now seen corresponding path program 1 times [2023-11-06 22:22:30,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:30,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741023581] [2023-11-06 22:22:30,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:30,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:30,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:22:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:30,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:22:30,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:30,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741023581] [2023-11-06 22:22:30,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741023581] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:30,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:30,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:22:30,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774217223] [2023-11-06 22:22:30,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:30,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:22:30,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:30,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:22:30,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:22:30,423 INFO L87 Difference]: Start difference. First operand 143 states and 187 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:22:30,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:30,521 INFO L93 Difference]: Finished difference Result 369 states and 494 transitions. [2023-11-06 22:22:30,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:22:30,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2023-11-06 22:22:30,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:30,525 INFO L225 Difference]: With dead ends: 369 [2023-11-06 22:22:30,526 INFO L226 Difference]: Without dead ends: 234 [2023-11-06 22:22:30,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:22:30,528 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 74 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:30,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 362 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:22:30,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2023-11-06 22:22:30,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 225. [2023-11-06 22:22:30,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 170 states have (on average 1.3176470588235294) internal successors, (224), 185 states have internal predecessors, (224), 28 states have call successors, (28), 26 states have call predecessors, (28), 26 states have return successors, (36), 25 states have call predecessors, (36), 28 states have call successors, (36) [2023-11-06 22:22:30,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 288 transitions. [2023-11-06 22:22:30,563 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 288 transitions. Word has length 34 [2023-11-06 22:22:30,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:30,563 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 288 transitions. [2023-11-06 22:22:30,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:22:30,564 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 288 transitions. [2023-11-06 22:22:30,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-06 22:22:30,566 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:30,566 INFO L195 NwaCegarLoop]: 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] [2023-11-06 22:22:30,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:22:30,567 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:30,567 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:30,568 INFO L85 PathProgramCache]: Analyzing trace with hash -316583003, now seen corresponding path program 1 times [2023-11-06 22:22:30,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:30,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720974710] [2023-11-06 22:22:30,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:30,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:30,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:22:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:30,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-06 22:22:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:30,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:22:30,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:30,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720974710] [2023-11-06 22:22:30,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720974710] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:30,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:30,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:22:30,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932778673] [2023-11-06 22:22:30,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:30,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:22:30,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:30,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:22:30,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:22:30,701 INFO L87 Difference]: Start difference. First operand 225 states and 288 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:22:30,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:30,893 INFO L93 Difference]: Finished difference Result 502 states and 653 transitions. [2023-11-06 22:22:30,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:22:30,893 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2023-11-06 22:22:30,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:30,896 INFO L225 Difference]: With dead ends: 502 [2023-11-06 22:22:30,897 INFO L226 Difference]: Without dead ends: 285 [2023-11-06 22:22:30,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:22:30,899 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 60 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:30,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 364 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:22:30,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2023-11-06 22:22:30,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 277. [2023-11-06 22:22:30,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 212 states have (on average 1.2924528301886793) internal successors, (274), 227 states have internal predecessors, (274), 32 states have call successors, (32), 26 states have call predecessors, (32), 32 states have return successors, (46), 33 states have call predecessors, (46), 32 states have call successors, (46) [2023-11-06 22:22:30,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 352 transitions. [2023-11-06 22:22:30,946 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 352 transitions. Word has length 45 [2023-11-06 22:22:30,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:30,947 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 352 transitions. [2023-11-06 22:22:30,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:22:30,947 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 352 transitions. [2023-11-06 22:22:30,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-06 22:22:30,949 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:30,950 INFO L195 NwaCegarLoop]: 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] [2023-11-06 22:22:30,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:22:30,950 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:30,951 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:30,951 INFO L85 PathProgramCache]: Analyzing trace with hash -2005526745, now seen corresponding path program 1 times [2023-11-06 22:22:30,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:30,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690498067] [2023-11-06 22:22:30,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:30,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:31,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:22:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:31,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-06 22:22:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:31,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:22:31,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:31,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690498067] [2023-11-06 22:22:31,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690498067] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:31,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:31,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:22:31,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740857602] [2023-11-06 22:22:31,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:31,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:22:31,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:31,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:22:31,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:22:31,049 INFO L87 Difference]: Start difference. First operand 277 states and 352 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:22:31,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:31,306 INFO L93 Difference]: Finished difference Result 564 states and 735 transitions. [2023-11-06 22:22:31,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:22:31,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2023-11-06 22:22:31,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:31,310 INFO L225 Difference]: With dead ends: 564 [2023-11-06 22:22:31,310 INFO L226 Difference]: Without dead ends: 295 [2023-11-06 22:22:31,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:22:31,313 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 63 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:31,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 286 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:22:31,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2023-11-06 22:22:31,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 281. [2023-11-06 22:22:31,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 216 states have (on average 1.287037037037037) internal successors, (278), 231 states have internal predecessors, (278), 32 states have call successors, (32), 26 states have call predecessors, (32), 32 states have return successors, (46), 33 states have call predecessors, (46), 32 states have call successors, (46) [2023-11-06 22:22:31,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 356 transitions. [2023-11-06 22:22:31,364 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 356 transitions. Word has length 45 [2023-11-06 22:22:31,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:31,364 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 356 transitions. [2023-11-06 22:22:31,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:22:31,365 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 356 transitions. [2023-11-06 22:22:31,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-06 22:22:31,369 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:31,369 INFO L195 NwaCegarLoop]: 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] [2023-11-06 22:22:31,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:22:31,370 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:31,370 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:31,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1582824919, now seen corresponding path program 1 times [2023-11-06 22:22:31,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:31,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720151415] [2023-11-06 22:22:31,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:31,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:31,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:22:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:31,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-06 22:22:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:31,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:22:31,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:31,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720151415] [2023-11-06 22:22:31,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720151415] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:31,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:31,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:22:31,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109418759] [2023-11-06 22:22:31,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:31,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:22:31,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:31,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:22:31,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:22:31,519 INFO L87 Difference]: Start difference. First operand 281 states and 356 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:22:31,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:31,790 INFO L93 Difference]: Finished difference Result 805 states and 1058 transitions. [2023-11-06 22:22:31,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:22:31,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2023-11-06 22:22:31,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:31,797 INFO L225 Difference]: With dead ends: 805 [2023-11-06 22:22:31,797 INFO L226 Difference]: Without dead ends: 532 [2023-11-06 22:22:31,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:22:31,802 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 215 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:31,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 305 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:22:31,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2023-11-06 22:22:31,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 525. [2023-11-06 22:22:31,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 400 states have (on average 1.2525) internal successors, (501), 424 states have internal predecessors, (501), 63 states have call successors, (63), 59 states have call predecessors, (63), 61 states have return successors, (101), 62 states have call predecessors, (101), 63 states have call successors, (101) [2023-11-06 22:22:31,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 665 transitions. [2023-11-06 22:22:31,885 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 665 transitions. Word has length 45 [2023-11-06 22:22:31,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:31,885 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 665 transitions. [2023-11-06 22:22:31,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:22:31,886 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 665 transitions. [2023-11-06 22:22:31,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-06 22:22:31,887 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:31,888 INFO L195 NwaCegarLoop]: 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] [2023-11-06 22:22:31,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:22:31,888 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:31,889 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:31,889 INFO L85 PathProgramCache]: Analyzing trace with hash 929828559, now seen corresponding path program 1 times [2023-11-06 22:22:31,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:31,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449101747] [2023-11-06 22:22:31,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:31,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:31,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:22:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:31,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:22:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:31,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 22:22:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:31,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:22:31,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:31,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449101747] [2023-11-06 22:22:31,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449101747] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:31,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:31,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:22:31,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656454981] [2023-11-06 22:22:31,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:31,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:22:31,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:31,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:22:31,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:22:31,971 INFO L87 Difference]: Start difference. First operand 525 states and 665 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:22:32,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:32,408 INFO L93 Difference]: Finished difference Result 1096 states and 1483 transitions. [2023-11-06 22:22:32,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:22:32,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2023-11-06 22:22:32,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:32,417 INFO L225 Difference]: With dead ends: 1096 [2023-11-06 22:22:32,418 INFO L226 Difference]: Without dead ends: 1094 [2023-11-06 22:22:32,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:22:32,420 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 307 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:32,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 224 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:22:32,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2023-11-06 22:22:32,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 972. [2023-11-06 22:22:32,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 741 states have (on average 1.263157894736842) internal successors, (936), 796 states have internal predecessors, (936), 122 states have call successors, (122), 92 states have call predecessors, (122), 108 states have return successors, (267), 114 states have call predecessors, (267), 122 states have call successors, (267) [2023-11-06 22:22:32,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1325 transitions. [2023-11-06 22:22:32,566 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1325 transitions. Word has length 49 [2023-11-06 22:22:32,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:32,567 INFO L495 AbstractCegarLoop]: Abstraction has 972 states and 1325 transitions. [2023-11-06 22:22:32,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:22:32,567 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1325 transitions. [2023-11-06 22:22:32,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-06 22:22:32,571 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:32,571 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:32,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:22:32,572 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:32,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:32,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1745032408, now seen corresponding path program 1 times [2023-11-06 22:22:32,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:32,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867616804] [2023-11-06 22:22:32,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:32,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:32,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:22:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:32,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:22:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:32,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:22:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:32,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:22:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:32,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:22:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:32,725 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:22:32,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:32,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867616804] [2023-11-06 22:22:32,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867616804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:32,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:32,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:22:32,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876650718] [2023-11-06 22:22:32,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:32,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:22:32,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:32,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:22:32,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:22:32,730 INFO L87 Difference]: Start difference. First operand 972 states and 1325 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 4 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-06 22:22:33,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:33,165 INFO L93 Difference]: Finished difference Result 1592 states and 2158 transitions. [2023-11-06 22:22:33,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:22:33,166 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 4 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 79 [2023-11-06 22:22:33,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:33,170 INFO L225 Difference]: With dead ends: 1592 [2023-11-06 22:22:33,171 INFO L226 Difference]: Without dead ends: 628 [2023-11-06 22:22:33,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:22:33,175 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 272 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:33,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 318 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:22:33,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2023-11-06 22:22:33,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 584. [2023-11-06 22:22:33,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 449 states have (on average 1.247216035634744) internal successors, (560), 480 states have internal predecessors, (560), 69 states have call successors, (69), 56 states have call predecessors, (69), 65 states have return successors, (140), 68 states have call predecessors, (140), 69 states have call successors, (140) [2023-11-06 22:22:33,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 769 transitions. [2023-11-06 22:22:33,255 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 769 transitions. Word has length 79 [2023-11-06 22:22:33,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:33,256 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 769 transitions. [2023-11-06 22:22:33,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 4 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-06 22:22:33,256 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 769 transitions. [2023-11-06 22:22:33,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-06 22:22:33,259 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:33,259 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:33,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:22:33,259 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:33,260 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:33,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1198485224, now seen corresponding path program 1 times [2023-11-06 22:22:33,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:33,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499971771] [2023-11-06 22:22:33,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:33,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:33,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:22:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:33,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:22:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:33,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:22:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:33,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:22:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:33,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-06 22:22:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:33,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:22:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:33,406 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 22:22:33,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:33,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499971771] [2023-11-06 22:22:33,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499971771] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:22:33,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141077095] [2023-11-06 22:22:33,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:33,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:33,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:33,411 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:33,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:22:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:33,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:22:33,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:22:33,669 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:33,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141077095] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:33,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:22:33,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2023-11-06 22:22:33,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424472023] [2023-11-06 22:22:33,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:33,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:22:33,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:33,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:22:33,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:22:33,672 INFO L87 Difference]: Start difference. First operand 584 states and 769 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:22:33,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:33,754 INFO L93 Difference]: Finished difference Result 993 states and 1335 transitions. [2023-11-06 22:22:33,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:22:33,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 88 [2023-11-06 22:22:33,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:33,759 INFO L225 Difference]: With dead ends: 993 [2023-11-06 22:22:33,759 INFO L226 Difference]: Without dead ends: 501 [2023-11-06 22:22:33,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:22:33,763 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 42 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:33,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 209 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:22:33,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2023-11-06 22:22:33,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 501. [2023-11-06 22:22:33,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 385 states have (on average 1.225974025974026) internal successors, (472), 412 states have internal predecessors, (472), 59 states have call successors, (59), 51 states have call predecessors, (59), 56 states have return successors, (85), 58 states have call predecessors, (85), 59 states have call successors, (85) [2023-11-06 22:22:33,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 616 transitions. [2023-11-06 22:22:33,826 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 616 transitions. Word has length 88 [2023-11-06 22:22:33,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:33,826 INFO L495 AbstractCegarLoop]: Abstraction has 501 states and 616 transitions. [2023-11-06 22:22:33,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:22:33,827 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 616 transitions. [2023-11-06 22:22:33,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-06 22:22:33,829 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:33,829 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:33,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:34,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:34,035 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:34,035 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:34,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1221172747, now seen corresponding path program 1 times [2023-11-06 22:22:34,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:34,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377998078] [2023-11-06 22:22:34,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:34,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:34,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:22:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:34,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:22:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:34,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:22:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:34,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:22:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:34,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:22:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:34,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:22:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:34,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 22:22:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:34,215 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-06 22:22:34,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:34,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377998078] [2023-11-06 22:22:34,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377998078] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:22:34,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241700587] [2023-11-06 22:22:34,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:34,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:34,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:34,217 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:34,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:22:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:34,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:22:34,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:34,409 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-06 22:22:34,409 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:34,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241700587] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:34,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:22:34,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-11-06 22:22:34,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703307510] [2023-11-06 22:22:34,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:34,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:22:34,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:34,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:22:34,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:22:34,412 INFO L87 Difference]: Start difference. First operand 501 states and 616 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:22:34,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:34,512 INFO L93 Difference]: Finished difference Result 944 states and 1188 transitions. [2023-11-06 22:22:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:22:34,512 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 91 [2023-11-06 22:22:34,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:34,516 INFO L225 Difference]: With dead ends: 944 [2023-11-06 22:22:34,517 INFO L226 Difference]: Without dead ends: 535 [2023-11-06 22:22:34,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:22:34,519 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 13 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:34,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 421 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:22:34,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2023-11-06 22:22:34,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 507. [2023-11-06 22:22:34,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 391 states have (on average 1.2225063938618925) internal successors, (478), 418 states have internal predecessors, (478), 59 states have call successors, (59), 51 states have call predecessors, (59), 56 states have return successors, (85), 58 states have call predecessors, (85), 59 states have call successors, (85) [2023-11-06 22:22:34,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 622 transitions. [2023-11-06 22:22:34,585 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 622 transitions. Word has length 91 [2023-11-06 22:22:34,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:34,586 INFO L495 AbstractCegarLoop]: Abstraction has 507 states and 622 transitions. [2023-11-06 22:22:34,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:22:34,586 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 622 transitions. [2023-11-06 22:22:34,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-06 22:22:34,588 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:34,588 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:34,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:34,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:34,795 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:34,795 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:34,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1355186253, now seen corresponding path program 1 times [2023-11-06 22:22:34,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:34,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909901618] [2023-11-06 22:22:34,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:34,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:34,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:22:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:34,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:22:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:34,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:22:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:34,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:22:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:35,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:22:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:35,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:22:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:35,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 22:22:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:35,017 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:22:35,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:35,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909901618] [2023-11-06 22:22:35,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909901618] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:22:35,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265676901] [2023-11-06 22:22:35,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:35,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:35,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:35,019 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:35,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:22:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:35,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:22:35,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:35,260 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:22:35,260 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:35,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265676901] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:35,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:22:35,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2023-11-06 22:22:35,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643093974] [2023-11-06 22:22:35,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:35,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:22:35,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:35,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:22:35,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:22:35,264 INFO L87 Difference]: Start difference. First operand 507 states and 622 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-06 22:22:35,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:35,442 INFO L93 Difference]: Finished difference Result 823 states and 1018 transitions. [2023-11-06 22:22:35,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:22:35,443 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 91 [2023-11-06 22:22:35,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:35,444 INFO L225 Difference]: With dead ends: 823 [2023-11-06 22:22:35,444 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:22:35,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:22:35,447 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 129 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:35,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 496 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:22:35,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:22:35,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:22:35,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:22:35,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:22:35,448 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2023-11-06 22:22:35,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:35,449 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:22:35,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-06 22:22:35,449 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:22:35,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:22:35,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:22:35,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:35,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:22:35,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:22:39,549 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 229 236) no Hoare annotation was computed. [2023-11-06 22:22:39,549 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 229 236) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) .cse1) (or .cse0 .cse1 (< ~waterLevel~0 2) (= 0 ~systemActive~0)))) [2023-11-06 22:22:39,550 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 229 236) no Hoare annotation was computed. [2023-11-06 22:22:39,550 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 162 168) no Hoare annotation was computed. [2023-11-06 22:22:39,550 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 162 168) the Hoare annotation is: true [2023-11-06 22:22:39,550 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 558 569) no Hoare annotation was computed. [2023-11-06 22:22:39,550 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 558 569) the Hoare annotation is: true [2023-11-06 22:22:39,550 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 558 569) no Hoare annotation was computed. [2023-11-06 22:22:39,550 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 570 578) the Hoare annotation is: true [2023-11-06 22:22:39,550 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 570 578) no Hoare annotation was computed. [2023-11-06 22:22:39,550 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 570 578) no Hoare annotation was computed. [2023-11-06 22:22:39,551 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 356 385) no Hoare annotation was computed. [2023-11-06 22:22:39,551 INFO L902 garLoopResultBuilder]: At program point L381(lines 356 385) the Hoare annotation is: true [2023-11-06 22:22:39,551 INFO L899 garLoopResultBuilder]: For program point L377(line 377) no Hoare annotation was computed. [2023-11-06 22:22:39,551 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2023-11-06 22:22:39,551 INFO L902 garLoopResultBuilder]: At program point L370-1(lines 370 374) the Hoare annotation is: true [2023-11-06 22:22:39,551 INFO L899 garLoopResultBuilder]: For program point L367(line 367) no Hoare annotation was computed. [2023-11-06 22:22:39,551 INFO L902 garLoopResultBuilder]: At program point L366-2(lines 366 380) the Hoare annotation is: true [2023-11-06 22:22:39,551 INFO L902 garLoopResultBuilder]: At program point L362(line 362) the Hoare annotation is: true [2023-11-06 22:22:39,551 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 356 385) the Hoare annotation is: true [2023-11-06 22:22:39,552 INFO L899 garLoopResultBuilder]: For program point L362-1(line 362) no Hoare annotation was computed. [2023-11-06 22:22:39,552 INFO L895 garLoopResultBuilder]: At program point isLowWaterSensorDry_returnLabel#1(lines 625 633) the Hoare annotation is: (let ((.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (< |old(~waterLevel~0)| 1)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0))) (or .cse3 .cse4 (not (= 0 ~systemActive~0))) (or .cse5 (= ~methAndRunningLastTime~0 0) .cse0 .cse1 .cse2) (or .cse3 .cse5 .cse4 .cse0))) [2023-11-06 22:22:39,552 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 138 161) no Hoare annotation was computed. [2023-11-06 22:22:39,552 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 325) no Hoare annotation was computed. [2023-11-06 22:22:39,552 INFO L899 garLoopResultBuilder]: For program point L321-2(lines 321 325) no Hoare annotation was computed. [2023-11-06 22:22:39,552 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2023-11-06 22:22:39,553 INFO L899 garLoopResultBuilder]: For program point L474(lines 474 491) no Hoare annotation was computed. [2023-11-06 22:22:39,553 INFO L895 garLoopResultBuilder]: At program point L474-1(lines 466 494) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0))) (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not .cse5)) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 (and .cse3 .cse4 .cse5 (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 .cse6 (and (<= 1 ~pumpRunning~0) .cse7) (and .cse3 .cse4 .cse5 .cse7)) (or .cse2 .cse6 (< |old(~pumpRunning~0)| 1) (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse3 .cse4 .cse5 (<= 1 ~waterLevel~0))) (or .cse0 (< |old(~waterLevel~0)| 1) (and .cse3 .cse4 .cse7) (not (= 0 ~systemActive~0)))))) [2023-11-06 22:22:39,553 INFO L895 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (< |old(~waterLevel~0)| 1)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (< |old(~pumpRunning~0)| 1)) (or .cse1 .cse2 (not (= 0 ~systemActive~0))) (or .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse2 .cse0))) [2023-11-06 22:22:39,554 INFO L895 garLoopResultBuilder]: At program point L206(line 206) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (< |old(~waterLevel~0)| 1)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (< |old(~pumpRunning~0)| 1) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0))) (or .cse1 .cse2 (not (= 0 ~systemActive~0))) (or .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse2 .cse0))) [2023-11-06 22:22:39,554 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2023-11-06 22:22:39,554 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (< |old(~waterLevel~0)| 1))) (and (or .cse0 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse1 .cse2 (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse2 (< |old(~waterLevel~0)| 2) (< |old(~pumpRunning~0)| 1)) (or .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2023-11-06 22:22:39,554 INFO L895 garLoopResultBuilder]: At program point L215-1(lines 196 220) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (< |old(~pumpRunning~0)| 1) (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse2 (<= 1 ~waterLevel~0))) (or .cse3 (and .cse2 .cse4 (= ~waterLevel~0 1)) .cse5 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse3 (< |old(~waterLevel~0)| 1) (not (= 0 ~systemActive~0))) (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse3 .cse5 .cse0 (and (<= 1 ~pumpRunning~0) .cse4 .cse6) .cse1 (and .cse2 .cse6 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))))) [2023-11-06 22:22:39,554 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 149 155) no Hoare annotation was computed. [2023-11-06 22:22:39,555 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 1001 1008) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (< |old(~waterLevel~0)| 1)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (< |old(~pumpRunning~0)| 1)) (or .cse1 .cse2 (not (= 0 ~systemActive~0))) (or .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse2 .cse0))) [2023-11-06 22:22:39,555 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 138 161) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (< |old(~waterLevel~0)| 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (< |old(~pumpRunning~0)| 1)) (or .cse3 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse4 .cse0 (and .cse5 (= ~methAndRunningLastTime~0 0) .cse1)) (or .cse3 .cse4 (and .cse5 .cse1 .cse2) (not (= 0 ~systemActive~0))))) [2023-11-06 22:22:39,555 INFO L895 garLoopResultBuilder]: At program point isLowWaterLevel_returnLabel#1(lines 312 330) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (< |old(~waterLevel~0)| 1)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (< |old(~pumpRunning~0)| 1) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (= |timeShift_isLowWaterLevel_~tmp~4#1| 0) (<= 1 ~waterLevel~0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|))) (or .cse1 .cse2 (not (= 0 ~systemActive~0))) (or .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse2 .cse0))) [2023-11-06 22:22:39,555 INFO L899 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2023-11-06 22:22:39,556 INFO L895 garLoopResultBuilder]: At program point L538-2(lines 534 545) the Hoare annotation is: (let ((.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (< |old(~waterLevel~0)| 1)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) .cse2) (or .cse3 .cse4 (not (= 0 ~systemActive~0))) (or .cse5 (= ~methAndRunningLastTime~0 0) .cse0 .cse1 .cse2) (or .cse3 .cse5 .cse4 .cse0))) [2023-11-06 22:22:39,556 INFO L895 garLoopResultBuilder]: At program point L472(line 472) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse4 (and .cse2 .cse7 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or .cse0 .cse1 (< |old(~pumpRunning~0)| 1) (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse2 (<= 1 ~waterLevel~0))) (or .cse3 (< |old(~waterLevel~0)| 1) .cse4 (not (= 0 ~systemActive~0))) (or .cse3 (and .cse2 .cse5 (= ~waterLevel~0 1)) .cse6 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse3 .cse6 .cse0 (and (<= 1 ~pumpRunning~0) .cse5 .cse7) .cse1 .cse4)))) [2023-11-06 22:22:39,556 INFO L899 garLoopResultBuilder]: For program point L472-1(line 472) no Hoare annotation was computed. [2023-11-06 22:22:39,556 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 141 160) no Hoare annotation was computed. [2023-11-06 22:22:39,556 INFO L899 garLoopResultBuilder]: For program point L1005(line 1005) no Hoare annotation was computed. [2023-11-06 22:22:39,556 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 212) no Hoare annotation was computed. [2023-11-06 22:22:39,557 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 138 161) no Hoare annotation was computed. [2023-11-06 22:22:39,557 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 248 256) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse4 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse1 (and .cse2 .cse4 .cse7 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse6 (not (= 1 ~systemActive~0))) (.cse8 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (< |old(~waterLevel~0)| 1) .cse1 (not (= 0 ~systemActive~0))) (or (and .cse2 .cse3 .cse4 (= ~waterLevel~0 1)) .cse0 .cse5 (not (= |old(~waterLevel~0)| 1)) .cse6) (or .cse0 .cse5 .cse6 (and (<= 1 ~pumpRunning~0) .cse3 .cse7) .cse8 .cse1) (or .cse6 (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse2 .cse4 (<= 1 ~waterLevel~0)) .cse8 (< |old(~pumpRunning~0)| 1))))) [2023-11-06 22:22:39,557 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2023-11-06 22:22:39,557 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 217) no Hoare annotation was computed. [2023-11-06 22:22:39,557 INFO L895 garLoopResultBuilder]: At program point startSystem_returnLabel#1(lines 346 353) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2023-11-06 22:22:39,558 INFO L895 garLoopResultBuilder]: At program point L337(line 337) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2023-11-06 22:22:39,558 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 418 428) the Hoare annotation is: true [2023-11-06 22:22:39,558 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 507 513) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:22:39,558 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 432 454) the Hoare annotation is: true [2023-11-06 22:22:39,558 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:22:39,558 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:22:39,558 INFO L902 garLoopResultBuilder]: At program point L119(lines 56 123) the Hoare annotation is: true [2023-11-06 22:22:39,558 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 92) no Hoare annotation was computed. [2023-11-06 22:22:39,558 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 86 92) no Hoare annotation was computed. [2023-11-06 22:22:39,559 INFO L895 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse2 .cse3 .cse0 .cse1 .cse4) (and .cse2 .cse3 .cse1 .cse4 (= 0 ~systemActive~0)))) [2023-11-06 22:22:39,559 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 410 416) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:22:39,559 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:22:39,559 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 449) no Hoare annotation was computed. [2023-11-06 22:22:39,559 INFO L899 garLoopResultBuilder]: For program point L442-2(lines 442 449) no Hoare annotation was computed. [2023-11-06 22:22:39,559 INFO L895 garLoopResultBuilder]: At program point L116(lines 65 117) the Hoare annotation is: false [2023-11-06 22:22:39,559 INFO L899 garLoopResultBuilder]: For program point L335(lines 335 341) no Hoare annotation was computed. [2023-11-06 22:22:39,559 INFO L899 garLoopResultBuilder]: For program point L335-1(lines 335 341) no Hoare annotation was computed. [2023-11-06 22:22:39,560 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:22:39,560 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 514 520) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:22:39,561 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 110) no Hoare annotation was computed. [2023-11-06 22:22:39,562 INFO L895 garLoopResultBuilder]: At program point L104-2(lines 96 111) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse2 .cse1 .cse3 (= 0 ~systemActive~0)) (and .cse2 (= ~methAndRunningLastTime~0 0) .cse0 .cse1 .cse3))) [2023-11-06 22:22:39,562 INFO L899 garLoopResultBuilder]: For program point L67(lines 66 115) no Hoare annotation was computed. [2023-11-06 22:22:39,562 INFO L899 garLoopResultBuilder]: For program point L96(lines 96 111) no Hoare annotation was computed. [2023-11-06 22:22:39,562 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification2_spec__1_returnLabel#1(lines 458 465) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:22:39,563 INFO L895 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse2 .cse3 .cse0 .cse1 .cse4) (and .cse2 .cse3 .cse1 .cse4 (= 0 ~systemActive~0)))) [2023-11-06 22:22:39,563 INFO L895 garLoopResultBuilder]: At program point stopSystem_returnLabel#1(lines 331 345) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (= 0 ~systemActive~0)) [2023-11-06 22:22:39,563 INFO L895 garLoopResultBuilder]: At program point L113(lines 66 115) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse2 .cse3 .cse0 .cse1 .cse4) (and .cse2 .cse3 .cse1 .cse4 (= 0 ~systemActive~0)))) [2023-11-06 22:22:39,563 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 82) no Hoare annotation was computed. [2023-11-06 22:22:39,563 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 521 529) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:22:39,564 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2023-11-06 22:22:39,564 INFO L899 garLoopResultBuilder]: For program point L68(lines 68 72) no Hoare annotation was computed. [2023-11-06 22:22:39,564 INFO L895 garLoopResultBuilder]: At program point activatePump_returnLabel#1(lines 221 228) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (<= 1 ~pumpRunning~0) .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2023-11-06 22:22:39,564 INFO L895 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse5 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse5)) (.cse1 (not .cse4)) (.cse2 (and (= ~pumpRunning~0 0) .cse4 .cse5 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2 .cse3)))) [2023-11-06 22:22:39,565 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 186) no Hoare annotation was computed. [2023-11-06 22:22:39,565 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 191) no Hoare annotation was computed. [2023-11-06 22:22:39,565 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2023-11-06 22:22:39,565 INFO L899 garLoopResultBuilder]: For program point L302-2(lines 302 306) no Hoare annotation was computed. [2023-11-06 22:22:39,565 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 170 194) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (not (= ~methAndRunningLastTime~0 0))) [2023-11-06 22:22:39,565 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 611 624) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (and .cse0 (<= 2 ~waterLevel~0)) (not (= ~methAndRunningLastTime~0 0)) (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse0))) [2023-11-06 22:22:39,566 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 293 311) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (and .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse3) (or .cse0 .cse2 .cse1 (< ~waterLevel~0 2) .cse3))) [2023-11-06 22:22:39,566 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (not (= ~methAndRunningLastTime~0 0))) [2023-11-06 22:22:39,566 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 170 194) no Hoare annotation was computed. [2023-11-06 22:22:39,566 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 170 194) no Hoare annotation was computed. [2023-11-06 22:22:39,566 INFO L899 garLoopResultBuilder]: For program point L615(lines 615 621) no Hoare annotation was computed. [2023-11-06 22:22:39,567 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 546 557) no Hoare annotation was computed. [2023-11-06 22:22:39,567 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 546 557) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1) .cse3 .cse4) (or (< |old(~waterLevel~0)| 1) .cse0 .cse5 .cse2 .cse3) (or (< ~pumpRunning~0 1) .cse5 .cse1 .cse2))) [2023-11-06 22:22:39,567 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 546 557) no Hoare annotation was computed. [2023-11-06 22:22:39,570 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:39,572 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:22:39,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:22:39 BoogieIcfgContainer [2023-11-06 22:22:39,622 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:22:39,623 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:22:39,623 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:22:39,623 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:22:39,624 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:22:28" (3/4) ... [2023-11-06 22:22:39,626 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:22:39,630 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-06 22:22:39,631 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-06 22:22:39,631 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-06 22:22:39,632 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-06 22:22:39,632 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-06 22:22:39,632 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-06 22:22:39,632 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:22:39,633 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-06 22:22:39,642 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-06 22:22:39,645 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 22:22:39,646 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:22:39,646 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:22:39,647 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:22:39,681 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (1 <= waterLevel))) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((0 == systemActive)))) && ((((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (\old(waterLevel) < 1)) || !((1 == systemActive)))) [2023-11-06 22:22:39,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (((\result == 0) && (pumpRunning == 0)) && (1 <= waterLevel))) && ((((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (waterLevel == 1))) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((0 == systemActive)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || (\old(waterLevel) < 2)) || (((pumpRunning == 0) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime)))) [2023-11-06 22:22:39,685 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (waterLevel == 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || ((1 <= pumpRunning) && (\old(waterLevel) == waterLevel))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (\old(waterLevel) == waterLevel)))) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (((((\result == 0) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (1 <= waterLevel)))) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) [2023-11-06 22:22:39,685 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || ((((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || !((0 == systemActive))) && ((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\result == 0)) && (waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || (\old(waterLevel) < 2)) || ((((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime)))) && (((!((1 == systemActive)) || ((((\result == 0) && (pumpRunning == 0)) && (\result == 0)) && (1 <= waterLevel))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1))) [2023-11-06 22:22:39,686 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (1 <= waterLevel))) && ((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((0 == systemActive)))) && ((((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (\old(waterLevel) < 1)) || !((1 == systemActive)))) [2023-11-06 22:22:39,687 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || ((pumpRunning == 0) && (2 <= waterLevel))) || !((methAndRunningLastTime == 0))) || ((1 <= \result) && (pumpRunning == 0))) [2023-11-06 22:22:39,687 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || ((((((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (1 <= \result)) && (tmp == 0)) && (1 <= waterLevel)) && (1 <= tmp___0))) && ((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (\old(waterLevel) < 1)) || !((1 == systemActive)))) [2023-11-06 22:22:39,688 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (\old(waterLevel) < 1)) || !((1 == systemActive)))) [2023-11-06 22:22:39,688 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0))) || !((methAndRunningLastTime == 0))) && ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || (waterLevel < 2)) || !((methAndRunningLastTime == 0)))) [2023-11-06 22:22:39,692 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (waterLevel < 2)) || !((methAndRunningLastTime == 0))) && (((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methAndRunningLastTime == 0)))) [2023-11-06 22:22:39,749 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (1 <= waterLevel))) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((0 == systemActive)))) && ((((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (\old(waterLevel) < 1)) || !((1 == systemActive)))) [2023-11-06 22:22:39,749 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (((\result == 0) && (pumpRunning == 0)) && (1 <= waterLevel))) && ((((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (waterLevel == 1))) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((0 == systemActive)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || (\old(waterLevel) < 2)) || (((pumpRunning == 0) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime)))) [2023-11-06 22:22:39,750 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (waterLevel == 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || ((1 <= pumpRunning) && (\old(waterLevel) == waterLevel))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (\old(waterLevel) == waterLevel)))) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (((((\result == 0) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (1 <= waterLevel)))) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) [2023-11-06 22:22:39,750 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || ((((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || !((0 == systemActive))) && ((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\result == 0)) && (waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || (\old(waterLevel) < 2)) || ((((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime)))) && (((!((1 == systemActive)) || ((((\result == 0) && (pumpRunning == 0)) && (\result == 0)) && (1 <= waterLevel))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1))) [2023-11-06 22:22:39,751 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (1 <= waterLevel))) && ((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((0 == systemActive)))) && ((((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (\old(waterLevel) < 1)) || !((1 == systemActive)))) [2023-11-06 22:22:39,751 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || ((pumpRunning == 0) && (2 <= waterLevel))) || !((methAndRunningLastTime == 0))) || ((1 <= \result) && (pumpRunning == 0))) [2023-11-06 22:22:39,751 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || ((((((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (1 <= \result)) && (tmp == 0)) && (1 <= waterLevel)) && (1 <= tmp___0))) && ((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (\old(waterLevel) < 1)) || !((1 == systemActive)))) [2023-11-06 22:22:39,751 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (\old(waterLevel) < 1)) || !((1 == systemActive)))) [2023-11-06 22:22:39,752 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0))) || !((methAndRunningLastTime == 0))) && ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || (waterLevel < 2)) || !((methAndRunningLastTime == 0)))) [2023-11-06 22:22:39,753 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (waterLevel < 2)) || !((methAndRunningLastTime == 0))) && (((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methAndRunningLastTime == 0)))) [2023-11-06 22:22:39,790 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:22:39,793 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:22:39,793 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:22:39,794 INFO L158 Benchmark]: Toolchain (without parser) took 12072.87ms. Allocated memory was 130.0MB in the beginning and 197.1MB in the end (delta: 67.1MB). Free memory was 72.6MB in the beginning and 108.4MB in the end (delta: -35.8MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2023-11-06 22:22:39,794 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:22:39,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 623.69ms. Allocated memory is still 130.0MB. Free memory was 72.4MB in the beginning and 99.9MB in the end (delta: -27.6MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2023-11-06 22:22:39,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.46ms. Allocated memory is still 130.0MB. Free memory was 99.9MB in the beginning and 97.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:22:39,796 INFO L158 Benchmark]: Boogie Preprocessor took 29.65ms. Allocated memory is still 130.0MB. Free memory was 97.8MB in the beginning and 96.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:22:39,796 INFO L158 Benchmark]: RCFGBuilder took 542.11ms. Allocated memory is still 130.0MB. Free memory was 96.2MB in the beginning and 79.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:22:39,797 INFO L158 Benchmark]: TraceAbstraction took 10622.06ms. Allocated memory was 130.0MB in the beginning and 197.1MB in the end (delta: 67.1MB). Free memory was 78.5MB in the beginning and 116.8MB in the end (delta: -38.3MB). Peak memory consumption was 97.3MB. Max. memory is 16.1GB. [2023-11-06 22:22:39,797 INFO L158 Benchmark]: Witness Printer took 170.49ms. Allocated memory is still 197.1MB. Free memory was 116.8MB in the beginning and 108.4MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:22:39,800 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 623.69ms. Allocated memory is still 130.0MB. Free memory was 72.4MB in the beginning and 99.9MB in the end (delta: -27.6MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.46ms. Allocated memory is still 130.0MB. Free memory was 99.9MB in the beginning and 97.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.65ms. Allocated memory is still 130.0MB. Free memory was 97.8MB in the beginning and 96.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 542.11ms. Allocated memory is still 130.0MB. Free memory was 96.2MB in the beginning and 79.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10622.06ms. Allocated memory was 130.0MB in the beginning and 197.1MB in the end (delta: 67.1MB). Free memory was 78.5MB in the beginning and 116.8MB in the end (delta: -38.3MB). Peak memory consumption was 97.3MB. Max. memory is 16.1GB. * Witness Printer took 170.49ms. Allocated memory is still 197.1MB. Free memory was 116.8MB in the beginning and 108.4MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] - GenericResultAtLocation [Line: 124]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] - GenericResultAtLocation [Line: 354]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [354] - GenericResultAtLocation [Line: 455]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [455] - GenericResultAtLocation [Line: 495]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [495] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [530] - GenericResultAtLocation [Line: 634]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [634] - GenericResultAtLocation [Line: 1000]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1000] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1005]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.5s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1312 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1284 mSDsluCounter, 3486 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2175 mSDsCounter, 298 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 814 IncrementalHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 298 mSolverCounterUnsat, 1311 mSDtfsCounter, 814 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 433 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=972occurred in iteration=8, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 235 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 1614 PreInvPairs, 1748 NumberOfFragments, 1506 HoareAnnotationTreeSize, 1614 FomulaSimplifications, 1150 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 7252 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 919 NumberOfCodeBlocks, 919 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 904 ConstructedInterpolants, 0 QuantifiedInterpolants, 1437 SizeOfPredicates, 8 NumberOfNonLiveVariables, 965 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 195/206 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (splverifierCounter == 0)) && (1 <= waterLevel)) && (0 == systemActive)) - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning) && (2 <= waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0)) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= waterLevel))) - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (\old(waterLevel) < 1)) || !((1 == systemActive)))) - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (waterLevel < 2)) || !((methAndRunningLastTime == 0))) && (((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methAndRunningLastTime == 0)))) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (waterLevel == 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || ((1 <= pumpRunning) && (\old(waterLevel) == waterLevel))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (\old(waterLevel) == waterLevel)))) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (((((\result == 0) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (1 <= waterLevel)))) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || ((((((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (1 <= \result)) && (tmp == 0)) && (1 <= waterLevel)) && (1 <= tmp___0))) && ((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (\old(waterLevel) < 1)) || !((1 == systemActive)))) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (((\result == 0) && (pumpRunning == 0)) && (1 <= waterLevel))) && ((((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (waterLevel == 1))) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((0 == systemActive)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || (\old(waterLevel) < 2)) || (((pumpRunning == 0) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime)))) - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: ((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (1 <= waterLevel))) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((0 == systemActive)))) && ((((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (\old(waterLevel) < 1)) || !((1 == systemActive)))) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: ((((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || ((((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || !((0 == systemActive))) && ((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\result == 0)) && (waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || (\old(waterLevel) < 2)) || ((((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime)))) && (((!((1 == systemActive)) || ((((\result == 0) && (pumpRunning == 0)) && (\result == 0)) && (1 <= waterLevel))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1))) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning) && (2 <= waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0)) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= waterLevel))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (splverifierCounter == 0)) && (1 <= waterLevel)) && (0 == systemActive))) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: (((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || ((pumpRunning == 0) && (2 <= waterLevel))) || !((methAndRunningLastTime == 0))) || ((1 <= \result) && (pumpRunning == 0))) - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: ((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (1 <= waterLevel))) && ((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((0 == systemActive)))) && ((((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (\old(waterLevel) < 1)) || !((1 == systemActive)))) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0))) || !((methAndRunningLastTime == 0))) && ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || (waterLevel < 2)) || !((methAndRunningLastTime == 0)))) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:22:39,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da9ba17-508f-4a9d-a092-99fa6f6ced4e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE