./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --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 12ff1c3352fe657a44d5503b0c0550124efd9c84e66a259e2d68c9ba31095791 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:23:46,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:23:46,759 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 04:23:46,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:23:46,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:23:46,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:23:46,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:23:46,786 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:23:46,787 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:23:46,787 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:23:46,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:23:46,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:23:46,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:23:46,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:23:46,790 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:23:46,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:23:46,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:23:46,792 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:23:46,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:23:46,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:23:46,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:23:46,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:23:46,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:23:46,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:23:46,796 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:23:46,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:23:46,796 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:23:46,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:23:46,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:23:46,798 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:23:46,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:23:46,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:23:46,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:23:46,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:23:46,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:23:46,799 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:23:46,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:23:46,799 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:23:46,800 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:23:46,800 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:23:46,800 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:23:46,800 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:23:46,800 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_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12ff1c3352fe657a44d5503b0c0550124efd9c84e66a259e2d68c9ba31095791 [2023-11-29 04:23:46,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:23:47,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:23:47,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:23:47,020 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:23:47,020 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:23:47,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c [2023-11-29 04:23:49,765 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:23:49,974 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:23:49,974 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c [2023-11-29 04:23:49,991 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/data/067fb6daf/f362d0c60eed40c08b49c2c4c6f1074f/FLAG6fe832a2c [2023-11-29 04:23:50,006 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/data/067fb6daf/f362d0c60eed40c08b49c2c4c6f1074f [2023-11-29 04:23:50,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:23:50,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:23:50,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:23:50,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:23:50,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:23:50,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:23:50" (1/1) ... [2023-11-29 04:23:50,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54a97ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:50, skipping insertion in model container [2023-11-29 04:23:50,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:23:50" (1/1) ... [2023-11-29 04:23:50,060 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:23:50,284 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_6c16153f-969d-40b4-8355-48366b4ba72f/sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c[18376,18389] [2023-11-29 04:23:50,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:23:50,304 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:23:50,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2023-11-29 04:23:50,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [118] [2023-11-29 04:23:50,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [372] [2023-11-29 04:23:50,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [476] [2023-11-29 04:23:50,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [842] [2023-11-29 04:23:50,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [892] [2023-11-29 04:23:50,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [930] [2023-11-29 04:23:50,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [939] [2023-11-29 04:23:50,370 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_6c16153f-969d-40b4-8355-48366b4ba72f/sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c[18376,18389] [2023-11-29 04:23:50,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:23:50,391 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:23:50,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:50 WrapperNode [2023-11-29 04:23:50,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:23:50,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:23:50,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:23:50,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:23:50,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:50" (1/1) ... [2023-11-29 04:23:50,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:50" (1/1) ... [2023-11-29 04:23:50,438 INFO L138 Inliner]: procedures = 59, calls = 107, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 241 [2023-11-29 04:23:50,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:23:50,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:23:50,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:23:50,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:23:50,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:50" (1/1) ... [2023-11-29 04:23:50,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:50" (1/1) ... [2023-11-29 04:23:50,451 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:50" (1/1) ... [2023-11-29 04:23:50,462 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 04:23:50,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:50" (1/1) ... [2023-11-29 04:23:50,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:50" (1/1) ... [2023-11-29 04:23:50,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:50" (1/1) ... [2023-11-29 04:23:50,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:50" (1/1) ... [2023-11-29 04:23:50,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:50" (1/1) ... [2023-11-29 04:23:50,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:50" (1/1) ... [2023-11-29 04:23:50,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:23:50,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:23:50,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:23:50,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:23:50,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:50" (1/1) ... [2023-11-29 04:23:50,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:23:50,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:23:50,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:23:50,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:23:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:23:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-29 04:23:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-29 04:23:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-29 04:23:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-29 04:23:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-29 04:23:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-29 04:23:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 04:23:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 04:23:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-29 04:23:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-29 04:23:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-29 04:23:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-29 04:23:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-29 04:23:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-29 04:23:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-29 04:23:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-29 04:23:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-29 04:23:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-29 04:23:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:23:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-29 04:23:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-29 04:23:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:23:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:23:50,639 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:23:50,641 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:23:50,913 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:23:50,979 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:23:50,979 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 04:23:50,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:23:50 BoogieIcfgContainer [2023-11-29 04:23:50,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:23:50,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:23:50,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:23:50,984 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:23:50,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:23:50" (1/3) ... [2023-11-29 04:23:50,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f0f846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:23:50, skipping insertion in model container [2023-11-29 04:23:50,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:50" (2/3) ... [2023-11-29 04:23:50,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f0f846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:23:50, skipping insertion in model container [2023-11-29 04:23:50,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:23:50" (3/3) ... [2023-11-29 04:23:50,987 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product61.cil.c [2023-11-29 04:23:51,003 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:23:51,004 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:23:51,048 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:23:51,054 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=LoopHeads, 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;@2263946c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:23:51,054 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:23:51,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 60 states have (on average 1.5) internal successors, (90), 70 states have internal predecessors, (90), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 04:23:51,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 04:23:51,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:51,067 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:23:51,067 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:51,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:51,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1607111419, now seen corresponding path program 1 times [2023-11-29 04:23:51,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:51,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652275103] [2023-11-29 04:23:51,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:51,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:51,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:23:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:51,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 04:23:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:51,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:23:51,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:51,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652275103] [2023-11-29 04:23:51,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652275103] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:51,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:23:51,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:23:51,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558324427] [2023-11-29 04:23:51,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:51,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:23:51,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:51,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:23:51,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:23:51,280 INFO L87 Difference]: Start difference. First operand has 90 states, 60 states have (on average 1.5) internal successors, (90), 70 states have internal predecessors, (90), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 04:23:51,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:51,344 INFO L93 Difference]: Finished difference Result 178 states and 253 transitions. [2023-11-29 04:23:51,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:23:51,347 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-29 04:23:51,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:51,355 INFO L225 Difference]: With dead ends: 178 [2023-11-29 04:23:51,356 INFO L226 Difference]: Without dead ends: 85 [2023-11-29 04:23:51,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:23:51,363 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:51,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:23:51,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-29 04:23:51,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-11-29 04:23:51,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 66 states have internal predecessors, (80), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 04:23:51,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 115 transitions. [2023-11-29 04:23:51,407 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 115 transitions. Word has length 22 [2023-11-29 04:23:51,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:51,408 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 115 transitions. [2023-11-29 04:23:51,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 04:23:51,408 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2023-11-29 04:23:51,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-29 04:23:51,411 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:51,412 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:23:51,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:23:51,412 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:51,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:51,413 INFO L85 PathProgramCache]: Analyzing trace with hash -372870150, now seen corresponding path program 1 times [2023-11-29 04:23:51,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:51,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816765630] [2023-11-29 04:23:51,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:51,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:51,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:23:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:51,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 04:23:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:51,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:23:51,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:51,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816765630] [2023-11-29 04:23:51,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816765630] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:51,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:23:51,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:23:51,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044475403] [2023-11-29 04:23:51,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:51,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:23:51,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:51,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:23:51,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:23:51,521 INFO L87 Difference]: Start difference. First operand 85 states and 115 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 04:23:51,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:51,569 INFO L93 Difference]: Finished difference Result 143 states and 193 transitions. [2023-11-29 04:23:51,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:23:51,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-11-29 04:23:51,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:51,572 INFO L225 Difference]: With dead ends: 143 [2023-11-29 04:23:51,572 INFO L226 Difference]: Without dead ends: 77 [2023-11-29 04:23:51,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:23:51,575 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 11 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:51,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 168 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:23:51,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-29 04:23:51,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-29 04:23:51,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 61 states have internal predecessors, (74), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 04:23:51,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 104 transitions. [2023-11-29 04:23:51,588 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 104 transitions. Word has length 23 [2023-11-29 04:23:51,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:51,589 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 104 transitions. [2023-11-29 04:23:51,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 04:23:51,589 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 104 transitions. [2023-11-29 04:23:51,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-29 04:23:51,591 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:51,591 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:23:51,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:23:51,591 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:51,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:51,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1179963472, now seen corresponding path program 1 times [2023-11-29 04:23:51,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:51,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865364915] [2023-11-29 04:23:51,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:51,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:51,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:23:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:51,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:23:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:51,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:23:51,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:51,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865364915] [2023-11-29 04:23:51,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865364915] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:51,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:23:51,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:23:51,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623543352] [2023-11-29 04:23:51,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:51,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:23:51,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:51,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:23:51,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:23:51,729 INFO L87 Difference]: Start difference. First operand 77 states and 104 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 04:23:51,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:51,860 INFO L93 Difference]: Finished difference Result 152 states and 207 transitions. [2023-11-29 04:23:51,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:23:51,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-11-29 04:23:51,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:51,863 INFO L225 Difference]: With dead ends: 152 [2023-11-29 04:23:51,863 INFO L226 Difference]: Without dead ends: 77 [2023-11-29 04:23:51,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:23:51,865 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 100 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:51,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 134 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:23:51,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-29 04:23:51,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-29 04:23:51,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 61 states have internal predecessors, (73), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 04:23:51,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 103 transitions. [2023-11-29 04:23:51,878 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 103 transitions. Word has length 26 [2023-11-29 04:23:51,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:51,880 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 103 transitions. [2023-11-29 04:23:51,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 04:23:51,880 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2023-11-29 04:23:51,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 04:23:51,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:51,882 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:23:51,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:23:51,883 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:51,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:51,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1178739660, now seen corresponding path program 1 times [2023-11-29 04:23:51,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:51,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483309711] [2023-11-29 04:23:51,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:51,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:51,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:23:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:51,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 04:23:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:51,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 04:23:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:51,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:23:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:51,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:23:51,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:51,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483309711] [2023-11-29 04:23:51,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483309711] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:51,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:23:51,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:23:51,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322889056] [2023-11-29 04:23:51,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:51,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:23:51,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:51,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:23:51,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:23:51,978 INFO L87 Difference]: Start difference. First operand 77 states and 103 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 04:23:52,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:52,186 INFO L93 Difference]: Finished difference Result 229 states and 307 transitions. [2023-11-29 04:23:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:23:52,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2023-11-29 04:23:52,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:52,189 INFO L225 Difference]: With dead ends: 229 [2023-11-29 04:23:52,190 INFO L226 Difference]: Without dead ends: 154 [2023-11-29 04:23:52,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:23:52,192 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 150 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:52,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 159 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:23:52,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-11-29 04:23:52,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 148. [2023-11-29 04:23:52,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 103 states have (on average 1.3495145631067962) internal successors, (139), 112 states have internal predecessors, (139), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33) [2023-11-29 04:23:52,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 194 transitions. [2023-11-29 04:23:52,217 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 194 transitions. Word has length 36 [2023-11-29 04:23:52,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:52,218 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 194 transitions. [2023-11-29 04:23:52,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 04:23:52,218 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 194 transitions. [2023-11-29 04:23:52,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-29 04:23:52,220 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:52,220 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:23:52,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:23:52,221 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:52,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:52,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1560277561, now seen corresponding path program 1 times [2023-11-29 04:23:52,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:52,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110194783] [2023-11-29 04:23:52,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:52,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:52,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:23:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:52,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 04:23:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:52,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:23:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:52,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:23:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:52,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 04:23:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:52,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:23:52,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:52,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110194783] [2023-11-29 04:23:52,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110194783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:52,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:23:52,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:23:52,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416892874] [2023-11-29 04:23:52,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:52,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:23:52,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:52,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:23:52,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:23:52,371 INFO L87 Difference]: Start difference. First operand 148 states and 194 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 04:23:52,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:52,719 INFO L93 Difference]: Finished difference Result 408 states and 562 transitions. [2023-11-29 04:23:52,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 04:23:52,722 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 46 [2023-11-29 04:23:52,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:52,725 INFO L225 Difference]: With dead ends: 408 [2023-11-29 04:23:52,725 INFO L226 Difference]: Without dead ends: 262 [2023-11-29 04:23:52,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:23:52,728 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 173 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:52,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 312 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 04:23:52,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2023-11-29 04:23:52,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 242. [2023-11-29 04:23:52,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 171 states have (on average 1.327485380116959) internal successors, (227), 183 states have internal predecessors, (227), 36 states have call successors, (36), 29 states have call predecessors, (36), 34 states have return successors, (55), 38 states have call predecessors, (55), 36 states have call successors, (55) [2023-11-29 04:23:52,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 318 transitions. [2023-11-29 04:23:52,774 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 318 transitions. Word has length 46 [2023-11-29 04:23:52,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:52,774 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 318 transitions. [2023-11-29 04:23:52,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 04:23:52,775 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 318 transitions. [2023-11-29 04:23:52,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-29 04:23:52,777 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:52,778 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:23:52,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:23:52,778 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:52,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:52,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1341422843, now seen corresponding path program 1 times [2023-11-29 04:23:52,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:52,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676203308] [2023-11-29 04:23:52,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:52,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:52,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:23:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:52,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 04:23:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:52,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:23:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:52,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:23:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:52,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 04:23:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 04:23:52,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:52,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676203308] [2023-11-29 04:23:52,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676203308] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:52,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:23:52,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 04:23:52,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500418488] [2023-11-29 04:23:52,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:52,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:23:52,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:52,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:23:52,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:23:52,939 INFO L87 Difference]: Start difference. First operand 242 states and 318 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 04:23:53,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:53,272 INFO L93 Difference]: Finished difference Result 487 states and 642 transitions. [2023-11-29 04:23:53,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 04:23:53,275 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2023-11-29 04:23:53,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:53,278 INFO L225 Difference]: With dead ends: 487 [2023-11-29 04:23:53,278 INFO L226 Difference]: Without dead ends: 247 [2023-11-29 04:23:53,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2023-11-29 04:23:53,280 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 122 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:53,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 332 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:23:53,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2023-11-29 04:23:53,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 239. [2023-11-29 04:23:53,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 168 states have (on average 1.2976190476190477) internal successors, (218), 180 states have internal predecessors, (218), 36 states have call successors, (36), 29 states have call predecessors, (36), 34 states have return successors, (55), 38 states have call predecessors, (55), 36 states have call successors, (55) [2023-11-29 04:23:53,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 309 transitions. [2023-11-29 04:23:53,308 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 309 transitions. Word has length 46 [2023-11-29 04:23:53,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:53,309 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 309 transitions. [2023-11-29 04:23:53,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 04:23:53,309 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 309 transitions. [2023-11-29 04:23:53,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-29 04:23:53,311 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:53,311 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:23:53,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:23:53,312 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:53,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:53,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1122098405, now seen corresponding path program 1 times [2023-11-29 04:23:53,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:53,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752030384] [2023-11-29 04:23:53,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:53,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:53,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:23:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:53,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 04:23:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:53,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:23:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:53,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:23:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:53,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 04:23:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:53,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:23:53,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:53,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752030384] [2023-11-29 04:23:53,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752030384] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:53,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:23:53,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:23:53,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538453344] [2023-11-29 04:23:53,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:53,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:23:53,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:53,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:23:53,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:23:53,447 INFO L87 Difference]: Start difference. First operand 239 states and 309 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 04:23:53,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:53,620 INFO L93 Difference]: Finished difference Result 486 states and 650 transitions. [2023-11-29 04:23:53,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:23:53,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2023-11-29 04:23:53,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:53,623 INFO L225 Difference]: With dead ends: 486 [2023-11-29 04:23:53,623 INFO L226 Difference]: Without dead ends: 249 [2023-11-29 04:23:53,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:23:53,625 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 62 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:53,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 229 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:23:53,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2023-11-29 04:23:53,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 243. [2023-11-29 04:23:53,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 172 states have (on average 1.2906976744186047) internal successors, (222), 184 states have internal predecessors, (222), 36 states have call successors, (36), 29 states have call predecessors, (36), 34 states have return successors, (55), 38 states have call predecessors, (55), 36 states have call successors, (55) [2023-11-29 04:23:53,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 313 transitions. [2023-11-29 04:23:53,648 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 313 transitions. Word has length 49 [2023-11-29 04:23:53,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:53,649 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 313 transitions. [2023-11-29 04:23:53,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 04:23:53,649 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 313 transitions. [2023-11-29 04:23:53,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-29 04:23:53,650 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:53,651 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:23:53,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 04:23:53,651 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:53,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:53,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1367430557, now seen corresponding path program 1 times [2023-11-29 04:23:53,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:53,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736428033] [2023-11-29 04:23:53,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:53,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:53,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:23:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:53,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 04:23:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:53,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:23:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:53,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:23:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:53,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 04:23:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:23:53,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:53,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736428033] [2023-11-29 04:23:53,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736428033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:53,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:23:53,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:23:53,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872327177] [2023-11-29 04:23:53,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:53,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:23:53,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:53,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:23:53,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:23:53,761 INFO L87 Difference]: Start difference. First operand 243 states and 313 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 04:23:53,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:53,940 INFO L93 Difference]: Finished difference Result 445 states and 585 transitions. [2023-11-29 04:23:53,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:23:53,940 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2023-11-29 04:23:53,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:53,942 INFO L225 Difference]: With dead ends: 445 [2023-11-29 04:23:53,942 INFO L226 Difference]: Without dead ends: 204 [2023-11-29 04:23:53,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:23:53,944 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 80 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:53,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 283 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:23:53,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2023-11-29 04:23:53,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 199. [2023-11-29 04:23:53,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 140 states have (on average 1.2642857142857142) internal successors, (177), 150 states have internal predecessors, (177), 30 states have call successors, (30), 24 states have call predecessors, (30), 28 states have return successors, (41), 31 states have call predecessors, (41), 30 states have call successors, (41) [2023-11-29 04:23:53,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 248 transitions. [2023-11-29 04:23:53,962 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 248 transitions. Word has length 49 [2023-11-29 04:23:53,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:53,962 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 248 transitions. [2023-11-29 04:23:53,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 04:23:53,962 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 248 transitions. [2023-11-29 04:23:53,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-29 04:23:53,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:53,963 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2023-11-29 04:23:53,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 04:23:53,963 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:53,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:53,964 INFO L85 PathProgramCache]: Analyzing trace with hash -905932551, now seen corresponding path program 1 times [2023-11-29 04:23:53,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:53,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852251979] [2023-11-29 04:23:53,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:53,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:54,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:54,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 04:23:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:54,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-29 04:23:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:54,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:23:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:54,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:23:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:54,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 04:23:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:54,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:23:54,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:54,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852251979] [2023-11-29 04:23:54,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852251979] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:54,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:23:54,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:23:54,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264061474] [2023-11-29 04:23:54,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:54,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:23:54,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:54,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:23:54,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:23:54,125 INFO L87 Difference]: Start difference. First operand 199 states and 248 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-29 04:23:54,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:54,779 INFO L93 Difference]: Finished difference Result 634 states and 831 transitions. [2023-11-29 04:23:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 04:23:54,779 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 53 [2023-11-29 04:23:54,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:54,783 INFO L225 Difference]: With dead ends: 634 [2023-11-29 04:23:54,783 INFO L226 Difference]: Without dead ends: 486 [2023-11-29 04:23:54,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2023-11-29 04:23:54,785 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 410 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:54,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 365 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 04:23:54,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2023-11-29 04:23:54,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 434. [2023-11-29 04:23:54,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 303 states have (on average 1.2574257425742574) internal successors, (381), 328 states have internal predecessors, (381), 68 states have call successors, (68), 51 states have call predecessors, (68), 62 states have return successors, (96), 68 states have call predecessors, (96), 68 states have call successors, (96) [2023-11-29 04:23:54,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 545 transitions. [2023-11-29 04:23:54,825 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 545 transitions. Word has length 53 [2023-11-29 04:23:54,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:54,826 INFO L495 AbstractCegarLoop]: Abstraction has 434 states and 545 transitions. [2023-11-29 04:23:54,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-29 04:23:54,826 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 545 transitions. [2023-11-29 04:23:54,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-29 04:23:54,827 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:54,828 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:23:54,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:23:54,828 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:54,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:54,828 INFO L85 PathProgramCache]: Analyzing trace with hash 414668060, now seen corresponding path program 1 times [2023-11-29 04:23:54,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:54,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560301962] [2023-11-29 04:23:54,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:54,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:54,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:54,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 04:23:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:54,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:54,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:23:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:54,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:23:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:55,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:23:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:55,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 04:23:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:55,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 04:23:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:55,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:23:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:55,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:55,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:23:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:55,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 04:23:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:55,035 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 04:23:55,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:55,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560301962] [2023-11-29 04:23:55,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560301962] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:23:55,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207163732] [2023-11-29 04:23:55,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:55,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:23:55,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:23:55,037 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:23:55,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 04:23:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:55,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 04:23:55,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:23:55,323 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:23:55,323 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:23:55,567 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 04:23:55,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207163732] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:23:55,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:23:55,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2023-11-29 04:23:55,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896338756] [2023-11-29 04:23:55,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:23:55,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 04:23:55,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:55,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 04:23:55,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-11-29 04:23:55,571 INFO L87 Difference]: Start difference. First operand 434 states and 545 transitions. Second operand has 15 states, 12 states have (on average 9.166666666666666) internal successors, (110), 10 states have internal predecessors, (110), 5 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 5 states have call successors, (23) [2023-11-29 04:23:56,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:56,852 INFO L93 Difference]: Finished difference Result 959 states and 1243 transitions. [2023-11-29 04:23:56,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-29 04:23:56,853 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 9.166666666666666) internal successors, (110), 10 states have internal predecessors, (110), 5 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 5 states have call successors, (23) Word has length 97 [2023-11-29 04:23:56,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:56,858 INFO L225 Difference]: With dead ends: 959 [2023-11-29 04:23:56,858 INFO L226 Difference]: Without dead ends: 574 [2023-11-29 04:23:56,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 224 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=363, Invalid=1529, Unknown=0, NotChecked=0, Total=1892 [2023-11-29 04:23:56,862 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 352 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 1497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:56,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 1024 Invalid, 1497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 04:23:56,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2023-11-29 04:23:56,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 514. [2023-11-29 04:23:56,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 358 states have (on average 1.2458100558659218) internal successors, (446), 389 states have internal predecessors, (446), 81 states have call successors, (81), 66 states have call predecessors, (81), 74 states have return successors, (104), 79 states have call predecessors, (104), 81 states have call successors, (104) [2023-11-29 04:23:56,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 631 transitions. [2023-11-29 04:23:56,932 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 631 transitions. Word has length 97 [2023-11-29 04:23:56,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:56,933 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 631 transitions. [2023-11-29 04:23:56,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 9.166666666666666) internal successors, (110), 10 states have internal predecessors, (110), 5 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 5 states have call successors, (23) [2023-11-29 04:23:56,933 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 631 transitions. [2023-11-29 04:23:56,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 04:23:56,937 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:56,938 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:23:56,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:23:57,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 04:23:57,140 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:57,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:57,140 INFO L85 PathProgramCache]: Analyzing trace with hash 2024921578, now seen corresponding path program 1 times [2023-11-29 04:23:57,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:57,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144101139] [2023-11-29 04:23:57,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:57,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 04:23:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:23:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:23:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:23:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 04:23:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:23:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 04:23:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:23:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 04:23:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:23:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 04:23:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-29 04:23:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-29 04:23:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:23:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:23:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 04:23:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,415 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-11-29 04:23:57,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:57,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144101139] [2023-11-29 04:23:57,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144101139] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:23:57,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590553673] [2023-11-29 04:23:57,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:57,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:23:57,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:23:57,417 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:23:57,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 04:23:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 04:23:57,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:23:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 131 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-29 04:23:57,778 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:23:58,220 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 66 proven. 31 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-11-29 04:23:58,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590553673] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:23:58,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:23:58,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 23 [2023-11-29 04:23:58,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969904811] [2023-11-29 04:23:58,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:23:58,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 04:23:58,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:58,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 04:23:58,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=406, Unknown=0, NotChecked=0, Total=506 [2023-11-29 04:23:58,225 INFO L87 Difference]: Start difference. First operand 514 states and 631 transitions. Second operand has 23 states, 22 states have (on average 7.363636363636363) internal successors, (162), 18 states have internal predecessors, (162), 10 states have call successors, (39), 8 states have call predecessors, (39), 10 states have return successors, (40), 10 states have call predecessors, (40), 10 states have call successors, (40) [2023-11-29 04:24:00,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:00,323 INFO L93 Difference]: Finished difference Result 1601 states and 2072 transitions. [2023-11-29 04:24:00,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-29 04:24:00,323 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.363636363636363) internal successors, (162), 18 states have internal predecessors, (162), 10 states have call successors, (39), 8 states have call predecessors, (39), 10 states have return successors, (40), 10 states have call predecessors, (40), 10 states have call successors, (40) Word has length 170 [2023-11-29 04:24:00,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:00,331 INFO L225 Difference]: With dead ends: 1601 [2023-11-29 04:24:00,331 INFO L226 Difference]: Without dead ends: 1089 [2023-11-29 04:24:00,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 379 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1133 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=855, Invalid=3701, Unknown=0, NotChecked=0, Total=4556 [2023-11-29 04:24:00,337 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 1124 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 2054 mSolverCounterSat, 572 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 2626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 572 IncrementalHoareTripleChecker+Valid, 2054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:00,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1124 Valid, 819 Invalid, 2626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [572 Valid, 2054 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 04:24:00,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2023-11-29 04:24:00,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1039. [2023-11-29 04:24:00,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 727 states have (on average 1.1774415405777165) internal successors, (856), 781 states have internal predecessors, (856), 162 states have call successors, (162), 139 states have call predecessors, (162), 149 states have return successors, (206), 155 states have call predecessors, (206), 162 states have call successors, (206) [2023-11-29 04:24:00,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1224 transitions. [2023-11-29 04:24:00,471 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1224 transitions. Word has length 170 [2023-11-29 04:24:00,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:00,472 INFO L495 AbstractCegarLoop]: Abstraction has 1039 states and 1224 transitions. [2023-11-29 04:24:00,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.363636363636363) internal successors, (162), 18 states have internal predecessors, (162), 10 states have call successors, (39), 8 states have call predecessors, (39), 10 states have return successors, (40), 10 states have call predecessors, (40), 10 states have call successors, (40) [2023-11-29 04:24:00,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1224 transitions. [2023-11-29 04:24:00,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-29 04:24:00,477 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:00,477 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:00,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 04:24:00,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 04:24:00,679 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:00,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:00,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1746918870, now seen corresponding path program 1 times [2023-11-29 04:24:00,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:00,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385733434] [2023-11-29 04:24:00,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:00,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:24:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 04:24:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:24:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:24:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:24:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:24:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 04:24:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:24:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:24:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 04:24:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:24:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:24:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 04:24:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 04:24:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:24:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:24:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:24:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 04:24:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:24:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 04:24:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 04:24:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-29 04:24:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:24:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:24:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 04:24:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,989 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 81 proven. 40 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-11-29 04:24:00,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:00,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385733434] [2023-11-29 04:24:00,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385733434] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:24:00,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044990805] [2023-11-29 04:24:00,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:00,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:24:00,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:24:00,991 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:24:00,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 04:24:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:01,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 04:24:01,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:24:01,339 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 166 proven. 9 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 04:24:01,339 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:24:01,869 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 87 proven. 50 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-29 04:24:01,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044990805] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:24:01,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:24:01,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 22 [2023-11-29 04:24:01,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86064491] [2023-11-29 04:24:01,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:24:01,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 04:24:01,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:01,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 04:24:01,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2023-11-29 04:24:01,873 INFO L87 Difference]: Start difference. First operand 1039 states and 1224 transitions. Second operand has 22 states, 19 states have (on average 10.421052631578947) internal successors, (198), 15 states have internal predecessors, (198), 6 states have call successors, (54), 8 states have call predecessors, (54), 11 states have return successors, (47), 9 states have call predecessors, (47), 6 states have call successors, (47) [2023-11-29 04:24:03,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:03,230 INFO L93 Difference]: Finished difference Result 2024 states and 2402 transitions. [2023-11-29 04:24:03,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-29 04:24:03,230 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 19 states have (on average 10.421052631578947) internal successors, (198), 15 states have internal predecessors, (198), 6 states have call successors, (54), 8 states have call predecessors, (54), 11 states have return successors, (47), 9 states have call predecessors, (47), 6 states have call successors, (47) Word has length 188 [2023-11-29 04:24:03,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:03,236 INFO L225 Difference]: With dead ends: 2024 [2023-11-29 04:24:03,236 INFO L226 Difference]: Without dead ends: 1081 [2023-11-29 04:24:03,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 431 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=399, Invalid=1763, Unknown=0, NotChecked=0, Total=2162 [2023-11-29 04:24:03,240 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 417 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 1626 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 1782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 1626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:03,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 267 Invalid, 1782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 1626 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 04:24:03,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2023-11-29 04:24:03,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 1027. [2023-11-29 04:24:03,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 717 states have (on average 1.1645746164574617) internal successors, (835), 769 states have internal predecessors, (835), 156 states have call successors, (156), 141 states have call predecessors, (156), 153 states have return successors, (194), 151 states have call predecessors, (194), 156 states have call successors, (194) [2023-11-29 04:24:03,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1185 transitions. [2023-11-29 04:24:03,314 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1185 transitions. Word has length 188 [2023-11-29 04:24:03,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:03,314 INFO L495 AbstractCegarLoop]: Abstraction has 1027 states and 1185 transitions. [2023-11-29 04:24:03,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 19 states have (on average 10.421052631578947) internal successors, (198), 15 states have internal predecessors, (198), 6 states have call successors, (54), 8 states have call predecessors, (54), 11 states have return successors, (47), 9 states have call predecessors, (47), 6 states have call successors, (47) [2023-11-29 04:24:03,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1185 transitions. [2023-11-29 04:24:03,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-29 04:24:03,317 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:03,318 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:03,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 04:24:03,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:24:03,518 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:03,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:03,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1980541493, now seen corresponding path program 1 times [2023-11-29 04:24:03,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:03,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044752136] [2023-11-29 04:24:03,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:03,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:24:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 04:24:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:24:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:24:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:24:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:24:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 04:24:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:24:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:24:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 04:24:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:24:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:24:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 04:24:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:24:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 04:24:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:24:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:24:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 04:24:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:24:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 04:24:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 04:24:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-29 04:24:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:24:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:24:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 04:24:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,874 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 74 proven. 3 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2023-11-29 04:24:03,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:03,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044752136] [2023-11-29 04:24:03,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044752136] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:24:03,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564536469] [2023-11-29 04:24:03,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:03,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:24:03,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:24:03,878 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:24:03,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 04:24:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:04,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 04:24:04,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:24:04,228 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 117 proven. 22 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-11-29 04:24:04,228 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:24:04,799 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 89 proven. 38 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-29 04:24:04,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564536469] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:24:04,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:24:04,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 13] total 27 [2023-11-29 04:24:04,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119791227] [2023-11-29 04:24:04,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:24:04,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-29 04:24:04,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:04,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-29 04:24:04,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=586, Unknown=0, NotChecked=0, Total=702 [2023-11-29 04:24:04,804 INFO L87 Difference]: Start difference. First operand 1027 states and 1185 transitions. Second operand has 27 states, 26 states have (on average 8.192307692307692) internal successors, (213), 21 states have internal predecessors, (213), 13 states have call successors, (55), 12 states have call predecessors, (55), 15 states have return successors, (56), 15 states have call predecessors, (56), 13 states have call successors, (56) [2023-11-29 04:24:07,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:07,604 INFO L93 Difference]: Finished difference Result 2371 states and 2819 transitions. [2023-11-29 04:24:07,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-11-29 04:24:07,605 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 8.192307692307692) internal successors, (213), 21 states have internal predecessors, (213), 13 states have call successors, (55), 12 states have call predecessors, (55), 15 states have return successors, (56), 15 states have call predecessors, (56), 13 states have call successors, (56) Word has length 189 [2023-11-29 04:24:07,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:07,613 INFO L225 Difference]: With dead ends: 2371 [2023-11-29 04:24:07,613 INFO L226 Difference]: Without dead ends: 1444 [2023-11-29 04:24:07,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 517 GetRequests, 428 SyntacticMatches, 7 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1909 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1281, Invalid=5691, Unknown=0, NotChecked=0, Total=6972 [2023-11-29 04:24:07,618 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 1858 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 3254 mSolverCounterSat, 947 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1858 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 4201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 947 IncrementalHoareTripleChecker+Valid, 3254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:07,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1858 Valid, 768 Invalid, 4201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [947 Valid, 3254 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 04:24:07,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1444 states. [2023-11-29 04:24:07,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1444 to 1288. [2023-11-29 04:24:07,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1288 states, 904 states have (on average 1.157079646017699) internal successors, (1046), 951 states have internal predecessors, (1046), 202 states have call successors, (202), 185 states have call predecessors, (202), 181 states have return successors, (239), 185 states have call predecessors, (239), 202 states have call successors, (239) [2023-11-29 04:24:07,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1487 transitions. [2023-11-29 04:24:07,748 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1487 transitions. Word has length 189 [2023-11-29 04:24:07,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:07,749 INFO L495 AbstractCegarLoop]: Abstraction has 1288 states and 1487 transitions. [2023-11-29 04:24:07,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 8.192307692307692) internal successors, (213), 21 states have internal predecessors, (213), 13 states have call successors, (55), 12 states have call predecessors, (55), 15 states have return successors, (56), 15 states have call predecessors, (56), 13 states have call successors, (56) [2023-11-29 04:24:07,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1487 transitions. [2023-11-29 04:24:07,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-29 04:24:07,754 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:07,754 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:07,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 04:24:07,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:24:07,955 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:07,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:07,955 INFO L85 PathProgramCache]: Analyzing trace with hash -611364592, now seen corresponding path program 1 times [2023-11-29 04:24:07,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:07,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530454726] [2023-11-29 04:24:07,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:07,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:24:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 04:24:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:24:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:24:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:24:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:24:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 04:24:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:24:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:24:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 04:24:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:24:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:24:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 04:24:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:24:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 04:24:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:24:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:24:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 04:24:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:24:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 04:24:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-29 04:24:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-29 04:24:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:24:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:24:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:24:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:24:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:24:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-29 04:24:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 04:24:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 04:24:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:24:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:24:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-29 04:24:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,289 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 111 proven. 74 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-11-29 04:24:08,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:08,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530454726] [2023-11-29 04:24:08,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530454726] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:24:08,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400588635] [2023-11-29 04:24:08,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:08,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:24:08,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:24:08,290 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:24:08,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 04:24:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 04:24:08,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:24:08,718 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 136 proven. 75 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-11-29 04:24:08,719 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:24:09,391 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 90 proven. 114 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-29 04:24:09,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400588635] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:24:09,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:24:09,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 15] total 27 [2023-11-29 04:24:09,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123831225] [2023-11-29 04:24:09,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:24:09,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-29 04:24:09,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:09,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-29 04:24:09,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=555, Unknown=0, NotChecked=0, Total=702 [2023-11-29 04:24:09,396 INFO L87 Difference]: Start difference. First operand 1288 states and 1487 transitions. Second operand has 27 states, 27 states have (on average 9.407407407407407) internal successors, (254), 23 states have internal predecessors, (254), 17 states have call successors, (63), 13 states have call predecessors, (63), 17 states have return successors, (66), 18 states have call predecessors, (66), 17 states have call successors, (66) [2023-11-29 04:24:11,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:11,190 INFO L93 Difference]: Finished difference Result 3881 states and 4847 transitions. [2023-11-29 04:24:11,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-29 04:24:11,191 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 9.407407407407407) internal successors, (254), 23 states have internal predecessors, (254), 17 states have call successors, (63), 13 states have call predecessors, (63), 17 states have return successors, (66), 18 states have call predecessors, (66), 17 states have call successors, (66) Word has length 241 [2023-11-29 04:24:11,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:11,193 INFO L225 Difference]: With dead ends: 3881 [2023-11-29 04:24:11,193 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 04:24:11,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 616 GetRequests, 543 SyntacticMatches, 13 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1054 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=931, Invalid=2851, Unknown=0, NotChecked=0, Total=3782 [2023-11-29 04:24:11,206 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 1036 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 2196 mSolverCounterSat, 550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1041 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 2746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 550 IncrementalHoareTripleChecker+Valid, 2196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:11,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1041 Valid, 796 Invalid, 2746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [550 Valid, 2196 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 04:24:11,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 04:24:11,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 04:24:11,207 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) [2023-11-29 04:24:11,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 04:24:11,208 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2023-11-29 04:24:11,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:11,208 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:24:11,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.407407407407407) internal successors, (254), 23 states have internal predecessors, (254), 17 states have call successors, (63), 13 states have call predecessors, (63), 17 states have return successors, (66), 18 states have call predecessors, (66), 17 states have call successors, (66) [2023-11-29 04:24:11,209 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 04:24:11,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 04:24:11,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:24:11,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 04:24:11,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 04:24:11,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 04:24:23,977 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 270 277) no Hoare annotation was computed. [2023-11-29 04:24:23,977 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 270 277) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (< ~switchedOnBeforeTS~0 1)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (< ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4))) [2023-11-29 04:24:23,977 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 160 166) no Hoare annotation was computed. [2023-11-29 04:24:23,977 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 160 166) the Hoare annotation is: true [2023-11-29 04:24:23,977 INFO L895 garLoopResultBuilder]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (< 1 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2 .cse3) (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse3 (< ~methaneLevelCritical~0 1)) (or .cse4 (< ~switchedOnBeforeTS~0 1) .cse2 (< |old(~pumpRunning~0)| 1) .cse3))) [2023-11-29 04:24:23,977 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2023-11-29 04:24:23,978 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 366) no Hoare annotation was computed. [2023-11-29 04:24:23,978 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 194 218) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (< 1 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2 .cse3) (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse3 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (< ~switchedOnBeforeTS~0 1) .cse2 (< |old(~pumpRunning~0)| 1) .cse3))) [2023-11-29 04:24:23,978 INFO L899 garLoopResultBuilder]: For program point L362-2(lines 362 366) no Hoare annotation was computed. [2023-11-29 04:24:23,978 INFO L895 garLoopResultBuilder]: At program point L208(line 208) the Hoare annotation is: (let ((.cse3 (< 1 ~waterLevel~0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (< ~switchedOnBeforeTS~0 1) .cse1 (< |old(~pumpRunning~0)| 1) .cse2) (or (< 2 ~waterLevel~0) .cse0 .cse2 (< ~methaneLevelCritical~0 1)))) [2023-11-29 04:24:23,978 INFO L895 garLoopResultBuilder]: At program point L204(line 204) the Hoare annotation is: (let ((.cse3 (< 1 ~waterLevel~0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (< ~switchedOnBeforeTS~0 1) .cse1 (< |old(~pumpRunning~0)| 1) .cse2) (or (< 2 ~waterLevel~0) .cse0 .cse2 (< ~methaneLevelCritical~0 1)))) [2023-11-29 04:24:23,979 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 194 218) no Hoare annotation was computed. [2023-11-29 04:24:23,979 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 210) no Hoare annotation was computed. [2023-11-29 04:24:23,979 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 215) no Hoare annotation was computed. [2023-11-29 04:24:23,979 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 289 297) no Hoare annotation was computed. [2023-11-29 04:24:23,979 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 289 297) the Hoare annotation is: true [2023-11-29 04:24:23,979 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 400 411) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse0 (< 2 ~waterLevel~0)) (.cse5 (< ~pumpRunning~0 1)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3 (not (= 2 ~waterLevel~0)) .cse4) (or .cse0 .cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (< |old(~methaneLevelCritical~0)| 1) .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4 (= ~switchedOnBeforeTS~0 0)))) [2023-11-29 04:24:23,979 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 400 411) no Hoare annotation was computed. [2023-11-29 04:24:23,979 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 400 411) no Hoare annotation was computed. [2023-11-29 04:24:23,980 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 941 970) no Hoare annotation was computed. [2023-11-29 04:24:23,980 INFO L899 garLoopResultBuilder]: For program point L955(lines 955 959) no Hoare annotation was computed. [2023-11-29 04:24:23,980 INFO L902 garLoopResultBuilder]: At program point L955-1(lines 955 959) the Hoare annotation is: true [2023-11-29 04:24:23,980 INFO L902 garLoopResultBuilder]: At program point L951-2(lines 951 965) the Hoare annotation is: true [2023-11-29 04:24:23,980 INFO L902 garLoopResultBuilder]: At program point L947(line 947) the Hoare annotation is: true [2023-11-29 04:24:23,980 INFO L899 garLoopResultBuilder]: For program point L947-1(line 947) no Hoare annotation was computed. [2023-11-29 04:24:23,980 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 941 970) the Hoare annotation is: true [2023-11-29 04:24:23,980 INFO L899 garLoopResultBuilder]: For program point L966(lines 941 970) no Hoare annotation was computed. [2023-11-29 04:24:23,980 INFO L899 garLoopResultBuilder]: For program point L962(line 962) no Hoare annotation was computed. [2023-11-29 04:24:23,980 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 147 153) no Hoare annotation was computed. [2023-11-29 04:24:23,981 INFO L895 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: (let ((.cse4 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse10 (= |timeShift_processEnvironment_~tmp~3#1| 0)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse3) (or .cse6 .cse7 .cse0 .cse1 (= ~waterLevel~0 1)) (or (< 1 |old(~waterLevel~0)|) (and .cse8 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse9 .cse10) .cse6 .cse0 .cse1 (and .cse8 (= |old(~waterLevel~0)| 1) .cse9 (= ~waterLevel~0 0) .cse10) .cse4) (or (and .cse8 .cse9 .cse10) .cse6 .cse7 .cse0 .cse1) (or .cse7 .cse0 .cse1 .cse3) (or .cse5 .cse6 .cse1 .cse2))) [2023-11-29 04:24:23,981 INFO L895 garLoopResultBuilder]: At program point L230(line 230) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= |timeShift_processEnvironment_~tmp~3#1| ~methaneLevelCritical~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse9 (= |old(~switchedOnBeforeTS~0)| 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 (= ~waterLevel~0 1) .cse6) .cse7 .cse8 .cse1 .cse3) (or (< 1 |old(~waterLevel~0)|) (and .cse4 (= |old(~waterLevel~0)| 1) .cse5 .cse6 (= ~waterLevel~0 0)) (and .cse4 .cse5 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse6) .cse8 .cse1 .cse3 .cse9) (or .cse10 .cse7 .cse8 .cse1) (or .cse0 .cse10 .cse1 .cse2) (or .cse10 .cse8 .cse1 .cse2 .cse9))) [2023-11-29 04:24:23,981 INFO L895 garLoopResultBuilder]: At program point L226(line 226) the Hoare annotation is: (let ((.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse4 (< 1 |old(~waterLevel~0)|)) (.cse5 (and .cse12 (= |old(~waterLevel~0)| 1) .cse13 (= ~waterLevel~0 0))) (.cse7 (and .cse12 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse13)) (.cse9 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse10 (and .cse12 (= ~waterLevel~0 1) .cse13)) (.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse1 (= 0 ~systemActive~0)) (.cse3 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8 .cse1 .cse9) (or .cse6 .cse10 .cse11 .cse8 .cse1) (or .cse4 .cse5 .cse7 .cse8 .cse1 .cse3 .cse9) (or .cse0 .cse6 .cse1 .cse2) (or .cse10 .cse11 .cse8 .cse1 .cse3)))) [2023-11-29 04:24:23,981 INFO L899 garLoopResultBuilder]: For program point L226-1(line 226) no Hoare annotation was computed. [2023-11-29 04:24:23,981 INFO L895 garLoopResultBuilder]: At program point L858(line 858) the Hoare annotation is: (let ((.cse11 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0)) (.cse12 (= |old(~pumpRunning~0)| 0)) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and .cse16 .cse7 .cse8)) (.cse5 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse9 (not .cse12)) (.cse6 (= ~pumpRunning~0 0)) (.cse13 (not .cse2)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse15 (and .cse16 .cse11 .cse7)) (.cse14 (not (= |old(~waterLevel~0)| 2))) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse10 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (< 1 |old(~waterLevel~0)|) (and .cse6 .cse7 .cse8) .cse9 .cse0 .cse2) (or .cse1 .cse2 .cse3 .cse4 .cse10 .cse5) (or (and .cse6 .cse11 .cse7 .cse12 .cse13) .cse9 .cse0 .cse14 .cse2 .cse4) (or .cse9 (and .cse6 .cse7 .cse12 .cse8 .cse13) .cse2 .cse4 .cse10) (or .cse0 .cse15 .cse14 .cse1 .cse2) (or .cse15 .cse14 .cse1 .cse2 .cse10)))) [2023-11-29 04:24:23,982 INFO L899 garLoopResultBuilder]: For program point L858-1(line 858) no Hoare annotation was computed. [2023-11-29 04:24:23,982 INFO L895 garLoopResultBuilder]: At program point L239(line 239) the Hoare annotation is: (let ((.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse4 (= |old(~switchedOnBeforeTS~0)| 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse2) (or .cse7 .cse8 .cse0 .cse1) (or .cse5 .cse6 .cse1 .cse2 .cse3) (or .cse8 .cse0 .cse1 .cse3) (or .cse7 .cse0 .cse1 .cse2 .cse4))) [2023-11-29 04:24:23,982 INFO L899 garLoopResultBuilder]: For program point L239-1(lines 220 244) no Hoare annotation was computed. [2023-11-29 04:24:23,982 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2023-11-29 04:24:23,982 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 885) no Hoare annotation was computed. [2023-11-29 04:24:23,982 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 136 158) no Hoare annotation was computed. [2023-11-29 04:24:23,982 INFO L899 garLoopResultBuilder]: For program point L871(lines 871 888) no Hoare annotation was computed. [2023-11-29 04:24:23,982 INFO L899 garLoopResultBuilder]: For program point L871-1(lines 863 891) no Hoare annotation was computed. [2023-11-29 04:24:23,982 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 384) no Hoare annotation was computed. [2023-11-29 04:24:23,982 INFO L899 garLoopResultBuilder]: For program point L380-2(lines 376 387) no Hoare annotation was computed. [2023-11-29 04:24:23,982 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 882) no Hoare annotation was computed. [2023-11-29 04:24:23,983 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 133 159) the Hoare annotation is: (let ((.cse11 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0)) (.cse12 (= |old(~pumpRunning~0)| 0)) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and .cse16 .cse7 .cse8)) (.cse5 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse9 (not .cse12)) (.cse6 (= ~pumpRunning~0 0)) (.cse13 (not .cse2)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse15 (and .cse16 .cse11 .cse7)) (.cse14 (not (= |old(~waterLevel~0)| 2))) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse10 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (< 1 |old(~waterLevel~0)|) (and .cse6 .cse7 .cse8) .cse9 .cse0 .cse2) (or .cse1 .cse2 .cse3 .cse4 .cse10 .cse5) (or (and .cse6 .cse11 .cse7 .cse12 .cse13) .cse9 .cse0 .cse14 .cse2 .cse4) (or .cse9 (and .cse6 .cse7 .cse12 .cse8 .cse13) .cse2 .cse4 .cse10) (or .cse0 .cse15 .cse14 .cse1 .cse2) (or .cse15 .cse14 .cse1 .cse2 .cse10)))) [2023-11-29 04:24:23,983 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 236) no Hoare annotation was computed. [2023-11-29 04:24:23,983 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 241) no Hoare annotation was computed. [2023-11-29 04:24:23,983 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 133 159) no Hoare annotation was computed. [2023-11-29 04:24:23,983 INFO L895 garLoopResultBuilder]: At program point L873(line 873) the Hoare annotation is: (let ((.cse12 (= 0 ~systemActive~0))) (let ((.cse2 (= |old(~waterLevel~0)| 1)) (.cse3 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| 0)) (.cse5 (= ~waterLevel~0 0)) (.cse21 (= ~pumpRunning~0 0)) (.cse7 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| 1)) (.cse8 (<= ~waterLevel~0 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse22 (not .cse12))) (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse10 (and .cse21 .cse7 .cse8 .cse9 .cse4 .cse22)) (.cse13 (and .cse21 .cse2 .cse3 .cse4 .cse5 .cse22)) (.cse14 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse20 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| ~waterLevel~0)) (.cse19 (= ~waterLevel~0 1)) (.cse23 (not (= |old(~waterLevel~0)| 2))) (.cse11 (< |old(~pumpRunning~0)| 1)) (.cse18 (< ~methaneLevelCritical~0 1)) (.cse15 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse16 (and .cse21 .cse7 (<= ~waterLevel~0 1) .cse9)) (.cse17 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 (and .cse1 .cse7 .cse8 .cse9 .cse4) .cse10 .cse11 .cse12 .cse13 .cse14) (or .cse15 .cse16 .cse12 .cse17 .cse18) (or .cse0 .cse10 .cse11 .cse12 .cse18 .cse13 .cse14) (or (and .cse1 .cse7 .cse19 .cse4) (and .cse20 .cse21 .cse19 .cse4 .cse22) .cse6 .cse23 .cse11 .cse12) (or (and .cse20 .cse4) .cse23 .cse11 .cse12 .cse18) (or (and .cse21 .cse19 .cse22) .cse23 .cse11 .cse12 .cse18) (or .cse15 .cse6 .cse16 .cse12 .cse17))))) [2023-11-29 04:24:23,983 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 935) no Hoare annotation was computed. [2023-11-29 04:24:23,983 INFO L899 garLoopResultBuilder]: For program point L873-1(line 873) no Hoare annotation was computed. [2023-11-29 04:24:23,983 INFO L899 garLoopResultBuilder]: For program point L935(line 935) no Hoare annotation was computed. [2023-11-29 04:24:23,983 INFO L895 garLoopResultBuilder]: At program point L110(lines 63 111) the Hoare annotation is: false [2023-11-29 04:24:23,984 INFO L899 garLoopResultBuilder]: For program point L65(lines 64 109) no Hoare annotation was computed. [2023-11-29 04:24:23,984 INFO L899 garLoopResultBuilder]: For program point L1023(lines 1023 1030) no Hoare annotation was computed. [2023-11-29 04:24:23,984 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 105) no Hoare annotation was computed. [2023-11-29 04:24:23,984 INFO L899 garLoopResultBuilder]: For program point L1023-2(lines 1023 1030) no Hoare annotation was computed. [2023-11-29 04:24:23,984 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~11#1| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (not (= ~switchedOnBeforeTS~0 0)) .cse6 .cse2 .cse3 .cse7 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse7 .cse4 .cse5) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse3 .cse4 .cse5 (<= ~waterLevel~0 2)) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5))) [2023-11-29 04:24:23,984 INFO L895 garLoopResultBuilder]: At program point L107(lines 64 109) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~11#1| 1)) (.cse6 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse3 .cse4 .cse5) (and .cse8 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse7 .cse3 .cse6 .cse4 .cse5) (and .cse8 .cse2 .cse3 .cse6 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0)))) [2023-11-29 04:24:23,984 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 80) no Hoare annotation was computed. [2023-11-29 04:24:23,984 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2023-11-29 04:24:23,984 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 04:24:23,984 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 04:24:23,984 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2023-11-29 04:24:23,985 INFO L895 garLoopResultBuilder]: At program point L100-2(lines 94 105) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 0))) (.cse4 (<= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= 2 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_main_~tmp~11#1| 1)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse9 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse3 .cse5 .cse6 (<= ~waterLevel~0 2)) (and .cse1 .cse8 .cse9 .cse3 .cse5 .cse6) (and .cse1 .cse2 .cse8 .cse3 .cse5 .cse6))) [2023-11-29 04:24:23,985 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2023-11-29 04:24:23,985 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2023-11-29 04:24:23,985 INFO L899 garLoopResultBuilder]: For program point L113(lines 54 117) no Hoare annotation was computed. [2023-11-29 04:24:23,985 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~11#1| 1)) (.cse6 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse3 .cse4 .cse5) (and .cse8 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse7 .cse3 .cse6 .cse4 .cse5) (and .cse8 .cse2 .cse3 .cse6 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0)))) [2023-11-29 04:24:23,985 INFO L899 garLoopResultBuilder]: For program point L258-1(line 258) no Hoare annotation was computed. [2023-11-29 04:24:23,985 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 347) no Hoare annotation was computed. [2023-11-29 04:24:23,985 INFO L895 garLoopResultBuilder]: At program point L182(line 182) the Hoare annotation is: (let ((.cse8 (= |old(~pumpRunning~0)| 0)) (.cse3 (= 0 ~systemActive~0))) (let ((.cse0 (< 2 ~waterLevel~0)) (.cse2 (and (= ~pumpRunning~0 0) .cse8 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0) (not .cse3))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse1 (not .cse8)) (.cse6 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse7 .cse3) (or (< 1 ~waterLevel~0) (< ~switchedOnBeforeTS~0 1) .cse7 (< |old(~pumpRunning~0)| 1) .cse3) (or .cse0 .cse1 .cse2 .cse7 .cse3) (or .cse5 .cse1 .cse6 .cse3 .cse4)))) [2023-11-29 04:24:23,986 INFO L899 garLoopResultBuilder]: For program point L343-2(lines 343 347) no Hoare annotation was computed. [2023-11-29 04:24:23,986 INFO L899 garLoopResultBuilder]: For program point L176(lines 176 184) no Hoare annotation was computed. [2023-11-29 04:24:23,986 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 189) no Hoare annotation was computed. [2023-11-29 04:24:23,986 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 168 192) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (< 1 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2 .cse3) (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse3 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (< ~switchedOnBeforeTS~0 1) .cse2 (< |old(~pumpRunning~0)| 1) .cse3))) [2023-11-29 04:24:23,986 INFO L899 garLoopResultBuilder]: For program point L457(lines 457 463) no Hoare annotation was computed. [2023-11-29 04:24:23,986 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 453 466) no Hoare annotation was computed. [2023-11-29 04:24:23,986 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 168 192) no Hoare annotation was computed. [2023-11-29 04:24:23,986 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (let ((.cse3 (< 1 ~waterLevel~0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (< ~switchedOnBeforeTS~0 1) .cse1 (< |old(~pumpRunning~0)| 1) .cse2) (or (< 2 ~waterLevel~0) .cse0 .cse2 (< ~methaneLevelCritical~0 1)))) [2023-11-29 04:24:23,986 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 168 192) no Hoare annotation was computed. [2023-11-29 04:24:23,986 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 266) no Hoare annotation was computed. [2023-11-29 04:24:23,987 INFO L895 garLoopResultBuilder]: At program point L258(line 258) the Hoare annotation is: (let ((.cse5 (< 1 ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 2 ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not .cse2) .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse4) (or .cse5 (< ~switchedOnBeforeTS~0 1) .cse3 (< |old(~pumpRunning~0)| 1) .cse4) (or (< 2 ~waterLevel~0) .cse0 (and .cse1 .cse2) .cse4 (< ~methaneLevelCritical~0 1)))) [2023-11-29 04:24:23,987 INFO L899 garLoopResultBuilder]: For program point L260-2(lines 253 269) no Hoare annotation was computed. [2023-11-29 04:24:23,987 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 388 399) no Hoare annotation was computed. [2023-11-29 04:24:23,987 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 388 399) the Hoare annotation is: (let ((.cse1 (< ~switchedOnBeforeTS~0 1)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= ~pumpRunning~0 0))) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse0 (< ~pumpRunning~0 1)) (.cse7 (= 2 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 (< 0 |old(~waterLevel~0)|) .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse3 .cse4) (or .cse6 .cse7 .cse2 .cse8 .cse4) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse4 (= ~waterLevel~0 1)) (or .cse5 .cse6 .cse3 .cse4 .cse9) (or .cse6 .cse7 .cse8 .cse4 .cse9) (or .cse0 .cse7 .cse2 .cse8 .cse4))) [2023-11-29 04:24:23,987 INFO L899 garLoopResultBuilder]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2023-11-29 04:24:23,987 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 278 288) no Hoare annotation was computed. [2023-11-29 04:24:23,987 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 278 288) the Hoare annotation is: true [2023-11-29 04:24:23,990 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:23,992 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:24:24,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:24:24 BoogieIcfgContainer [2023-11-29 04:24:24,005 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:24:24,005 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:24:24,005 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:24:24,005 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:24:24,006 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:23:50" (3/4) ... [2023-11-29 04:24:24,007 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:24:24,011 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-29 04:24:24,011 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-29 04:24:24,011 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-29 04:24:24,011 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-29 04:24:24,011 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-29 04:24:24,011 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 04:24:24,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-29 04:24:24,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-29 04:24:24,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-29 04:24:24,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-29 04:24:24,020 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2023-11-29 04:24:24,020 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 04:24:24,021 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 04:24:24,022 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:24:24,022 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:24:24,139 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:24:24,139 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:24:24,140 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:24:24,140 INFO L158 Benchmark]: Toolchain (without parser) took 34130.27ms. Allocated memory was 161.5MB in the beginning and 509.6MB in the end (delta: 348.1MB). Free memory was 125.1MB in the beginning and 435.1MB in the end (delta: -310.1MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2023-11-29 04:24:24,141 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:24:24,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.19ms. Allocated memory is still 161.5MB. Free memory was 125.1MB in the beginning and 104.9MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 04:24:24,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.82ms. Allocated memory is still 161.5MB. Free memory was 104.9MB in the beginning and 102.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:24:24,142 INFO L158 Benchmark]: Boogie Preprocessor took 36.79ms. Allocated memory is still 161.5MB. Free memory was 102.8MB in the beginning and 100.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:24:24,142 INFO L158 Benchmark]: RCFGBuilder took 503.49ms. Allocated memory is still 161.5MB. Free memory was 100.3MB in the beginning and 121.3MB in the end (delta: -21.0MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-29 04:24:24,143 INFO L158 Benchmark]: TraceAbstraction took 33022.84ms. Allocated memory was 161.5MB in the beginning and 509.6MB in the end (delta: 348.1MB). Free memory was 120.5MB in the beginning and 443.5MB in the end (delta: -323.0MB). Peak memory consumption was 305.6MB. Max. memory is 16.1GB. [2023-11-29 04:24:24,143 INFO L158 Benchmark]: Witness Printer took 134.69ms. Allocated memory is still 509.6MB. Free memory was 443.5MB in the beginning and 435.1MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 04:24:24,145 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.19ms. Allocated memory is still 161.5MB. Free memory was 125.1MB in the beginning and 104.9MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.82ms. Allocated memory is still 161.5MB. Free memory was 104.9MB in the beginning and 102.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.79ms. Allocated memory is still 161.5MB. Free memory was 102.8MB in the beginning and 100.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.49ms. Allocated memory is still 161.5MB. Free memory was 100.3MB in the beginning and 121.3MB in the end (delta: -21.0MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * TraceAbstraction took 33022.84ms. Allocated memory was 161.5MB in the beginning and 509.6MB in the end (delta: 348.1MB). Free memory was 120.5MB in the beginning and 443.5MB in the end (delta: -323.0MB). Peak memory consumption was 305.6MB. Max. memory is 16.1GB. * Witness Printer took 134.69ms. Allocated memory is still 509.6MB. Free memory was 443.5MB in the beginning and 435.1MB 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: 118]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [118] - GenericResultAtLocation [Line: 372]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [372] - GenericResultAtLocation [Line: 476]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [476] - GenericResultAtLocation [Line: 842]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [842] - GenericResultAtLocation [Line: 892]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [892] - GenericResultAtLocation [Line: 930]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [930] - GenericResultAtLocation [Line: 939]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [939] * 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: 935]: 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 11 procedures, 90 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.0s, OverallIterations: 14, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5956 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5895 mSDsluCounter, 5761 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4616 mSDsCounter, 2741 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12024 IncrementalHoareTripleChecker+Invalid, 14765 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2741 mSolverCounterUnsat, 1145 mSDtfsCounter, 12024 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2488 GetRequests, 2103 SyntacticMatches, 28 SemanticMatches, 357 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5117 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1288occurred in iteration=13, InterpolantAutomatonStates: 285, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 417 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 3346 PreInvPairs, 4096 NumberOfFragments, 2580 HoareAnnotationTreeSize, 3346 FomulaSimplifications, 46672 FormulaSimplificationTreeSizeReduction, 3.8s HoareSimplificationTime, 30 FomulaSimplificationsInter, 52236 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 2120 NumberOfCodeBlocks, 2120 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2981 ConstructedInterpolants, 0 QuantifiedInterpolants, 6690 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2852 ConjunctsInSsa, 78 ConjunctsInUnsatCore, 24 InterpolantComputations, 9 PerfectInterpolantSequences, 2607/3093 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: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (tmp == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) || ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (tmp == 1)) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (tmp == 1)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (tmp == 1)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (tmp == 1)) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (tmp == 1)) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= switchedOnBeforeTS))) - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-29 04:24:24,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c16153f-969d-40b4-8355-48366b4ba72f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE