./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b223e2286b1d2d2d4710f5bd529ee4610cfb9619424734c12c9aa00d3c99444 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:46:36,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:46:36,368 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:46:36,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:46:36,379 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:46:36,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:46:36,431 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:46:36,432 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:46:36,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:46:36,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:46:36,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:46:36,442 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:46:36,443 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:46:36,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:46:36,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:46:36,446 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:46:36,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:46:36,447 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:46:36,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:46:36,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:46:36,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:46:36,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:46:36,451 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:46:36,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:46:36,452 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:46:36,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:46:36,453 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:46:36,454 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:46:36,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:46:36,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:46:36,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:46:36,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:46:36,458 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:46:36,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:46:36,458 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:46:36,459 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:46:36,459 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:46:36,460 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:46:36,460 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:46:36,460 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_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b223e2286b1d2d2d4710f5bd529ee4610cfb9619424734c12c9aa00d3c99444 [2023-11-06 22:46:36,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:46:36,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:46:36,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:46:36,900 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:46:36,901 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:46:36,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2023-11-06 22:46:40,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:46:40,853 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:46:40,854 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2023-11-06 22:46:40,873 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/data/59bdf6244/83113ca07fce4523ae722b72e06659a9/FLAG5079bc5b2 [2023-11-06 22:46:40,905 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/data/59bdf6244/83113ca07fce4523ae722b72e06659a9 [2023-11-06 22:46:40,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:46:40,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:46:40,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:46:40,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:46:40,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:46:40,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:46:40" (1/1) ... [2023-11-06 22:46:40,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@322db578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:40, skipping insertion in model container [2023-11-06 22:46:40,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:46:40" (1/1) ... [2023-11-06 22:46:40,990 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:46:41,361 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_d6208f3d-03ff-4b45-956a-e6f637eafbb9/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2023-11-06 22:46:41,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:46:41,409 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:46:41,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [49] [2023-11-06 22:46:41,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [91] [2023-11-06 22:46:41,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [191] [2023-11-06 22:46:41,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [264] [2023-11-06 22:46:41,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [468] [2023-11-06 22:46:41,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [834] [2023-11-06 22:46:41,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [843] [2023-11-06 22:46:41,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [943] [2023-11-06 22:46:41,493 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_d6208f3d-03ff-4b45-956a-e6f637eafbb9/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2023-11-06 22:46:41,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:46:41,526 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:46:41,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:41 WrapperNode [2023-11-06 22:46:41,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:46:41,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:46:41,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:46:41,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:46:41,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:41" (1/1) ... [2023-11-06 22:46:41,557 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:41" (1/1) ... [2023-11-06 22:46:41,592 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 200 [2023-11-06 22:46:41,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:46:41,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:46:41,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:46:41,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:46:41,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:41" (1/1) ... [2023-11-06 22:46:41,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:41" (1/1) ... [2023-11-06 22:46:41,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:41" (1/1) ... [2023-11-06 22:46:41,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:41" (1/1) ... [2023-11-06 22:46:41,618 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:41" (1/1) ... [2023-11-06 22:46:41,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:41" (1/1) ... [2023-11-06 22:46:41,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:41" (1/1) ... [2023-11-06 22:46:41,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:41" (1/1) ... [2023-11-06 22:46:41,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:46:41,648 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:46:41,648 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:46:41,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:46:41,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:41" (1/1) ... [2023-11-06 22:46:41,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:46:41,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:41,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:46:41,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:46:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:46:41,749 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-06 22:46:41,749 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-06 22:46:41,749 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-06 22:46:41,752 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-06 22:46:41,753 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-06 22:46:41,754 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-06 22:46:41,754 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-06 22:46:41,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-06 22:46:41,755 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:46:41,755 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:46:41,755 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-06 22:46:41,756 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-06 22:46:41,756 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-06 22:46:41,756 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-06 22:46:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:46:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-06 22:46:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-06 22:46:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:46:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:46:41,917 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:46:41,920 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:46:42,373 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:46:42,391 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:46:42,394 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:46:42,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:42 BoogieIcfgContainer [2023-11-06 22:46:42,399 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:46:42,402 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:46:42,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:46:42,410 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:46:42,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:46:40" (1/3) ... [2023-11-06 22:46:42,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fae5a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:46:42, skipping insertion in model container [2023-11-06 22:46:42,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:41" (2/3) ... [2023-11-06 22:46:42,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fae5a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:46:42, skipping insertion in model container [2023-11-06 22:46:42,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:42" (3/3) ... [2023-11-06 22:46:42,419 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2023-11-06 22:46:42,451 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:46:42,452 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:46:42,524 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:46:42,533 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@14ae0d6c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:46:42,533 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:46:42,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 71 states have (on average 1.380281690140845) internal successors, (98), 80 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:46:42,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 22:46:42,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:42,558 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:42,559 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:42,568 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:42,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1035852950, now seen corresponding path program 1 times [2023-11-06 22:46:42,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:42,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020692404] [2023-11-06 22:46:42,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:42,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:42,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:46:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:42,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:42,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:42,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020692404] [2023-11-06 22:46:42,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020692404] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:42,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:42,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:46:42,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893226329] [2023-11-06 22:46:42,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:42,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:46:42,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:42,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:46:42,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:46:42,939 INFO L87 Difference]: Start difference. First operand has 95 states, 71 states have (on average 1.380281690140845) internal successors, (98), 80 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:46:43,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:43,028 INFO L93 Difference]: Finished difference Result 181 states and 246 transitions. [2023-11-06 22:46:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:46:43,031 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2023-11-06 22:46:43,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:43,046 INFO L225 Difference]: With dead ends: 181 [2023-11-06 22:46:43,046 INFO L226 Difference]: Without dead ends: 86 [2023-11-06 22:46:43,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:46:43,059 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:43,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:46:43,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-06 22:46:43,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-11-06 22:46:43,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 64 states have (on average 1.3125) internal successors, (84), 72 states have internal predecessors, (84), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-06 22:46:43,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 111 transitions. [2023-11-06 22:46:43,143 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 111 transitions. Word has length 25 [2023-11-06 22:46:43,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:43,145 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 111 transitions. [2023-11-06 22:46:43,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:46:43,146 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 111 transitions. [2023-11-06 22:46:43,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-06 22:46:43,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:43,151 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:43,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:46:43,153 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:43,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:43,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1707158464, now seen corresponding path program 1 times [2023-11-06 22:46:43,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:43,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492355694] [2023-11-06 22:46:43,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:43,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:43,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:46:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:43,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:43,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:43,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492355694] [2023-11-06 22:46:43,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492355694] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:43,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:43,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:46:43,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716827268] [2023-11-06 22:46:43,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:43,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:46:43,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:43,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:46:43,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:46:43,306 INFO L87 Difference]: Start difference. First operand 86 states and 111 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:46:43,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:43,347 INFO L93 Difference]: Finished difference Result 132 states and 170 transitions. [2023-11-06 22:46:43,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:46:43,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2023-11-06 22:46:43,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:43,352 INFO L225 Difference]: With dead ends: 132 [2023-11-06 22:46:43,353 INFO L226 Difference]: Without dead ends: 77 [2023-11-06 22:46:43,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:46:43,356 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 17 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:43,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 174 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:46:43,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-06 22:46:43,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-06 22:46:43,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 66 states have internal predecessors, (77), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:46:43,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 99 transitions. [2023-11-06 22:46:43,372 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 99 transitions. Word has length 26 [2023-11-06 22:46:43,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:43,372 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 99 transitions. [2023-11-06 22:46:43,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:46:43,373 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2023-11-06 22:46:43,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 22:46:43,375 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:43,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:43,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:46:43,376 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:43,376 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:43,377 INFO L85 PathProgramCache]: Analyzing trace with hash -969347747, now seen corresponding path program 1 times [2023-11-06 22:46:43,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:43,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486199532] [2023-11-06 22:46:43,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:43,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:43,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:46:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:43,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:43,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:43,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486199532] [2023-11-06 22:46:43,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486199532] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:43,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:43,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:46:43,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139771674] [2023-11-06 22:46:43,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:43,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:46:43,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:43,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:46:43,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:46:43,637 INFO L87 Difference]: Start difference. First operand 77 states and 99 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:46:43,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:43,786 INFO L93 Difference]: Finished difference Result 189 states and 247 transitions. [2023-11-06 22:46:43,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:46:43,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2023-11-06 22:46:43,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:43,789 INFO L225 Difference]: With dead ends: 189 [2023-11-06 22:46:43,789 INFO L226 Difference]: Without dead ends: 120 [2023-11-06 22:46:43,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:46:43,792 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 164 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:43,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 329 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:46:43,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-06 22:46:43,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2023-11-06 22:46:43,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 99 states have internal predecessors, (119), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (17), 12 states have call predecessors, (17), 16 states have call successors, (17) [2023-11-06 22:46:43,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 152 transitions. [2023-11-06 22:46:43,831 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 152 transitions. Word has length 31 [2023-11-06 22:46:43,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:43,832 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 152 transitions. [2023-11-06 22:46:43,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:46:43,832 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 152 transitions. [2023-11-06 22:46:43,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-06 22:46:43,835 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:43,835 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:43,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:46:43,836 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:43,836 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:43,837 INFO L85 PathProgramCache]: Analyzing trace with hash -595617824, now seen corresponding path program 1 times [2023-11-06 22:46:43,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:43,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817247775] [2023-11-06 22:46:43,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:43,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:44,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:46:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:44,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:44,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:44,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817247775] [2023-11-06 22:46:44,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817247775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:44,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:44,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:46:44,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796812731] [2023-11-06 22:46:44,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:44,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:46:44,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:44,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:46:44,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:46:44,027 INFO L87 Difference]: Start difference. First operand 117 states and 152 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:46:44,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:44,137 INFO L93 Difference]: Finished difference Result 268 states and 358 transitions. [2023-11-06 22:46:44,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:46:44,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2023-11-06 22:46:44,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:44,141 INFO L225 Difference]: With dead ends: 268 [2023-11-06 22:46:44,142 INFO L226 Difference]: Without dead ends: 159 [2023-11-06 22:46:44,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:46:44,146 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 54 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:44,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 357 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:46:44,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2023-11-06 22:46:44,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 151. [2023-11-06 22:46:44,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 114 states have (on average 1.2894736842105263) internal successors, (147), 124 states have internal predecessors, (147), 19 states have call successors, (19), 17 states have call predecessors, (19), 17 states have return successors, (25), 18 states have call predecessors, (25), 19 states have call successors, (25) [2023-11-06 22:46:44,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 191 transitions. [2023-11-06 22:46:44,181 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 191 transitions. Word has length 34 [2023-11-06 22:46:44,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:44,182 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 191 transitions. [2023-11-06 22:46:44,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:46:44,183 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 191 transitions. [2023-11-06 22:46:44,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-06 22:46:44,185 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:44,185 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:44,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:46:44,186 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:44,187 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:44,187 INFO L85 PathProgramCache]: Analyzing trace with hash -867872678, now seen corresponding path program 1 times [2023-11-06 22:46:44,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:44,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494637651] [2023-11-06 22:46:44,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:44,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:44,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:46:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:44,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-06 22:46:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:44,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:44,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494637651] [2023-11-06 22:46:44,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494637651] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:44,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:44,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:46:44,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139308157] [2023-11-06 22:46:44,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:44,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:46:44,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:44,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:46:44,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:46:44,351 INFO L87 Difference]: Start difference. First operand 151 states and 191 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:46:44,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:44,598 INFO L93 Difference]: Finished difference Result 325 states and 418 transitions. [2023-11-06 22:46:44,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:46:44,599 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2023-11-06 22:46:44,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:44,602 INFO L225 Difference]: With dead ends: 325 [2023-11-06 22:46:44,603 INFO L226 Difference]: Without dead ends: 182 [2023-11-06 22:46:44,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:46:44,607 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 57 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:44,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 356 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:46:44,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-11-06 22:46:44,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 177. [2023-11-06 22:46:44,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 135 states have (on average 1.2740740740740741) internal successors, (172), 145 states have internal predecessors, (172), 21 states have call successors, (21), 17 states have call predecessors, (21), 20 states have return successors, (30), 22 states have call predecessors, (30), 21 states have call successors, (30) [2023-11-06 22:46:44,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 223 transitions. [2023-11-06 22:46:44,646 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 223 transitions. Word has length 45 [2023-11-06 22:46:44,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:44,647 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 223 transitions. [2023-11-06 22:46:44,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:46:44,647 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 223 transitions. [2023-11-06 22:46:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-06 22:46:44,650 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:44,650 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:44,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:46:44,651 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:44,651 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:44,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1738150876, now seen corresponding path program 1 times [2023-11-06 22:46:44,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:44,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333438001] [2023-11-06 22:46:44,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:44,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:44,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:46:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:44,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-06 22:46:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:44,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:44,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:44,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333438001] [2023-11-06 22:46:44,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333438001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:44,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:44,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:46:44,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140905648] [2023-11-06 22:46:44,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:44,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:46:44,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:44,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:46:44,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:46:44,924 INFO L87 Difference]: Start difference. First operand 177 states and 223 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:46:45,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:45,214 INFO L93 Difference]: Finished difference Result 356 states and 460 transitions. [2023-11-06 22:46:45,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:46:45,215 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2023-11-06 22:46:45,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:45,222 INFO L225 Difference]: With dead ends: 356 [2023-11-06 22:46:45,222 INFO L226 Difference]: Without dead ends: 187 [2023-11-06 22:46:45,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:46:45,234 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 107 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:45,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 380 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:46:45,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-11-06 22:46:45,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 179. [2023-11-06 22:46:45,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 137 states have (on average 1.27007299270073) internal successors, (174), 147 states have internal predecessors, (174), 21 states have call successors, (21), 17 states have call predecessors, (21), 20 states have return successors, (30), 22 states have call predecessors, (30), 21 states have call successors, (30) [2023-11-06 22:46:45,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 225 transitions. [2023-11-06 22:46:45,273 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 225 transitions. Word has length 45 [2023-11-06 22:46:45,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:45,274 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 225 transitions. [2023-11-06 22:46:45,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:46:45,274 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 225 transitions. [2023-11-06 22:46:45,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-06 22:46:45,276 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:45,277 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:45,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:46:45,277 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:45,278 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:45,278 INFO L85 PathProgramCache]: Analyzing trace with hash -2134114594, now seen corresponding path program 1 times [2023-11-06 22:46:45,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:45,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191488979] [2023-11-06 22:46:45,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:45,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:45,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:46:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:45,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-06 22:46:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:45,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:45,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:45,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191488979] [2023-11-06 22:46:45,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191488979] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:45,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:45,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:46:45,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516486188] [2023-11-06 22:46:45,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:45,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:46:45,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:45,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:46:45,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:46:45,397 INFO L87 Difference]: Start difference. First operand 179 states and 225 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:46:45,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:45,730 INFO L93 Difference]: Finished difference Result 543 states and 712 transitions. [2023-11-06 22:46:45,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:46:45,731 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2023-11-06 22:46:45,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:45,735 INFO L225 Difference]: With dead ends: 543 [2023-11-06 22:46:45,736 INFO L226 Difference]: Without dead ends: 372 [2023-11-06 22:46:45,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:46:45,738 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 212 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:45,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 300 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:46:45,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2023-11-06 22:46:45,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 370. [2023-11-06 22:46:45,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 282 states have (on average 1.24822695035461) internal successors, (352), 300 states have internal predecessors, (352), 45 states have call successors, (45), 42 states have call predecessors, (45), 42 states have return successors, (71), 44 states have call predecessors, (71), 45 states have call successors, (71) [2023-11-06 22:46:45,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 468 transitions. [2023-11-06 22:46:45,806 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 468 transitions. Word has length 45 [2023-11-06 22:46:45,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:45,807 INFO L495 AbstractCegarLoop]: Abstraction has 370 states and 468 transitions. [2023-11-06 22:46:45,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:46:45,808 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 468 transitions. [2023-11-06 22:46:45,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-06 22:46:45,809 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:45,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:45,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:46:45,810 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:45,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:45,811 INFO L85 PathProgramCache]: Analyzing trace with hash -566907772, now seen corresponding path program 1 times [2023-11-06 22:46:45,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:45,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059745158] [2023-11-06 22:46:45,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:45,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:45,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:46:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:45,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:46:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:45,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 22:46:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:45,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:45,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:45,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059745158] [2023-11-06 22:46:45,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059745158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:45,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:45,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:46:45,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736141944] [2023-11-06 22:46:45,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:45,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:46:45,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:45,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:46:45,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:46:45,917 INFO L87 Difference]: Start difference. First operand 370 states and 468 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:46:46,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:46,443 INFO L93 Difference]: Finished difference Result 686 states and 914 transitions. [2023-11-06 22:46:46,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:46:46,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2023-11-06 22:46:46,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:46,454 INFO L225 Difference]: With dead ends: 686 [2023-11-06 22:46:46,454 INFO L226 Difference]: Without dead ends: 684 [2023-11-06 22:46:46,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:46:46,458 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 287 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:46,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 219 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:46:46,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2023-11-06 22:46:46,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 602. [2023-11-06 22:46:46,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 455 states have (on average 1.2505494505494505) internal successors, (569), 490 states have internal predecessors, (569), 79 states have call successors, (79), 60 states have call predecessors, (79), 67 states have return successors, (165), 74 states have call predecessors, (165), 79 states have call successors, (165) [2023-11-06 22:46:46,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 813 transitions. [2023-11-06 22:46:46,644 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 813 transitions. Word has length 49 [2023-11-06 22:46:46,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:46,645 INFO L495 AbstractCegarLoop]: Abstraction has 602 states and 813 transitions. [2023-11-06 22:46:46,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:46:46,645 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 813 transitions. [2023-11-06 22:46:46,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-06 22:46:46,651 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:46,652 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:46,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:46:46,652 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:46,653 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:46,653 INFO L85 PathProgramCache]: Analyzing trace with hash -978609957, now seen corresponding path program 1 times [2023-11-06 22:46:46,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:46,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215179668] [2023-11-06 22:46:46,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:46,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:46,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:46:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:46,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:46:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:46,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:46:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:46,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:46:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:46,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:46:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:46,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 22:46:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:46,957 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 22:46:46,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:46,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215179668] [2023-11-06 22:46:46,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215179668] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:46:46,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629316937] [2023-11-06 22:46:46,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:46,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:46:46,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:46,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:46:47,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:46:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:47,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:46:47,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:47,267 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:47,267 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:46:47,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629316937] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:47,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:46:47,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2023-11-06 22:46:47,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299196336] [2023-11-06 22:46:47,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:47,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:46:47,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:47,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:46:47,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:46:47,271 INFO L87 Difference]: Start difference. First operand 602 states and 813 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:46:47,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:47,427 INFO L93 Difference]: Finished difference Result 1076 states and 1476 transitions. [2023-11-06 22:46:47,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:46:47,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 91 [2023-11-06 22:46:47,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:47,433 INFO L225 Difference]: With dead ends: 1076 [2023-11-06 22:46:47,433 INFO L226 Difference]: Without dead ends: 566 [2023-11-06 22:46:47,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:46:47,438 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 42 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:47,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 208 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:46:47,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2023-11-06 22:46:47,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 566. [2023-11-06 22:46:47,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 427 states have (on average 1.2201405152224825) internal successors, (521), 458 states have internal predecessors, (521), 74 states have call successors, (74), 60 states have call predecessors, (74), 64 states have return successors, (118), 68 states have call predecessors, (118), 74 states have call successors, (118) [2023-11-06 22:46:47,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 713 transitions. [2023-11-06 22:46:47,535 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 713 transitions. Word has length 91 [2023-11-06 22:46:47,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:47,536 INFO L495 AbstractCegarLoop]: Abstraction has 566 states and 713 transitions. [2023-11-06 22:46:47,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:46:47,536 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 713 transitions. [2023-11-06 22:46:47,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-06 22:46:47,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:47,540 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:47,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:47,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:46:47,751 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:47,751 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:47,751 INFO L85 PathProgramCache]: Analyzing trace with hash -859541599, now seen corresponding path program 1 times [2023-11-06 22:46:47,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:47,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134040659] [2023-11-06 22:46:47,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:47,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:47,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:46:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:47,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:46:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:48,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:46:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:48,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:46:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:48,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:46:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:48,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 22:46:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:48,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:46:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:48,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:46:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:48,080 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 22:46:48,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:48,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134040659] [2023-11-06 22:46:48,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134040659] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:46:48,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955292801] [2023-11-06 22:46:48,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:48,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:46:48,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:48,083 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:46:48,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:46:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:48,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:46:48,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:48,383 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-06 22:46:48,383 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:46:48,526 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-06 22:46:48,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955292801] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:46:48,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:46:48,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12, 5] total 17 [2023-11-06 22:46:48,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040386725] [2023-11-06 22:46:48,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:48,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:46:48,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:48,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:46:48,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:46:48,529 INFO L87 Difference]: Start difference. First operand 566 states and 713 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:46:48,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:48,745 INFO L93 Difference]: Finished difference Result 1624 states and 2102 transitions. [2023-11-06 22:46:48,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:46:48,746 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 93 [2023-11-06 22:46:48,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:48,753 INFO L225 Difference]: With dead ends: 1624 [2023-11-06 22:46:48,753 INFO L226 Difference]: Without dead ends: 1066 [2023-11-06 22:46:48,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:46:48,757 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 58 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:48,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 440 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:46:48,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2023-11-06 22:46:48,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 939. [2023-11-06 22:46:48,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 702 states have (on average 1.1965811965811965) internal successors, (840), 756 states have internal predecessors, (840), 124 states have call successors, (124), 102 states have call predecessors, (124), 112 states have return successors, (197), 117 states have call predecessors, (197), 124 states have call successors, (197) [2023-11-06 22:46:48,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1161 transitions. [2023-11-06 22:46:48,897 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1161 transitions. Word has length 93 [2023-11-06 22:46:48,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:48,899 INFO L495 AbstractCegarLoop]: Abstraction has 939 states and 1161 transitions. [2023-11-06 22:46:48,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:46:48,899 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1161 transitions. [2023-11-06 22:46:48,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-06 22:46:48,907 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:48,907 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-11-06 22:46:48,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:49,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:46:49,113 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:49,114 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:49,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1099123803, now seen corresponding path program 1 times [2023-11-06 22:46:49,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:49,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700184696] [2023-11-06 22:46:49,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:49,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:49,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:46:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:49,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:46:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:49,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:46:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:49,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:46:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:49,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:46:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:49,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-06 22:46:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:49,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:46:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:49,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:46:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:49,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-06 22:46:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:49,447 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-06 22:46:49,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:49,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700184696] [2023-11-06 22:46:49,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700184696] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:46:49,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903102905] [2023-11-06 22:46:49,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:49,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:46:49,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:49,450 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:46:49,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:46:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:49,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:46:49,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:49,823 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-06 22:46:49,824 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:46:49,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903102905] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:49,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:46:49,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 18 [2023-11-06 22:46:49,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506480386] [2023-11-06 22:46:49,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:49,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:46:49,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:49,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:46:49,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:46:49,828 INFO L87 Difference]: Start difference. First operand 939 states and 1161 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-06 22:46:50,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:50,085 INFO L93 Difference]: Finished difference Result 1739 states and 2139 transitions. [2023-11-06 22:46:50,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:46:50,086 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 97 [2023-11-06 22:46:50,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:50,095 INFO L225 Difference]: With dead ends: 1739 [2023-11-06 22:46:50,095 INFO L226 Difference]: Without dead ends: 808 [2023-11-06 22:46:50,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:46:50,101 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 47 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:50,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 934 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:46:50,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2023-11-06 22:46:50,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 804. [2023-11-06 22:46:50,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 606 states have (on average 1.16996699669967) internal successors, (709), 648 states have internal predecessors, (709), 102 states have call successors, (102), 89 states have call predecessors, (102), 95 states have return successors, (144), 97 states have call predecessors, (144), 102 states have call successors, (144) [2023-11-06 22:46:50,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 955 transitions. [2023-11-06 22:46:50,211 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 955 transitions. Word has length 97 [2023-11-06 22:46:50,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:50,212 INFO L495 AbstractCegarLoop]: Abstraction has 804 states and 955 transitions. [2023-11-06 22:46:50,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-06 22:46:50,212 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 955 transitions. [2023-11-06 22:46:50,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-06 22:46:50,216 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:50,217 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:50,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:50,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:46:50,424 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:50,425 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:50,425 INFO L85 PathProgramCache]: Analyzing trace with hash 606623900, now seen corresponding path program 1 times [2023-11-06 22:46:50,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:50,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17452377] [2023-11-06 22:46:50,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:50,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:50,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:46:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:50,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:46:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:50,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:46:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:50,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:46:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:50,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:46:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:50,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-06 22:46:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:50,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-06 22:46:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:50,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:46:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:50,526 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-06 22:46:50,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:50,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17452377] [2023-11-06 22:46:50,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17452377] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:46:50,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833799703] [2023-11-06 22:46:50,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:50,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:46:50,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:50,529 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:46:50,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:46:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:50,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:46:50,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:50,671 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-06 22:46:50,671 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:46:50,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833799703] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:50,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:46:50,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2023-11-06 22:46:50,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788804979] [2023-11-06 22:46:50,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:50,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:46:50,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:50,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:46:50,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:46:50,674 INFO L87 Difference]: Start difference. First operand 804 states and 955 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:46:50,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:50,789 INFO L93 Difference]: Finished difference Result 1578 states and 1876 transitions. [2023-11-06 22:46:50,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:46:50,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 99 [2023-11-06 22:46:50,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:50,791 INFO L225 Difference]: With dead ends: 1578 [2023-11-06 22:46:50,791 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:46:50,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:46:50,795 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 37 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:50,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 212 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:46:50,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:46:50,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:46:50,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:46:50,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:46:50,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2023-11-06 22:46:50,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:50,798 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:46:50,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:46:50,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:46:50,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:46:50,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:46:50,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:51,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:46:51,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:46:59,171 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 362 369) no Hoare annotation was computed. [2023-11-06 22:46:59,171 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 362 369) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (< ~methaneLevelCritical~0 1)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2))) [2023-11-06 22:46:59,172 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 362 369) no Hoare annotation was computed. [2023-11-06 22:46:59,172 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 295 301) no Hoare annotation was computed. [2023-11-06 22:46:59,172 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 295 301) the Hoare annotation is: true [2023-11-06 22:46:59,172 INFO L899 garLoopResultBuilder]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2023-11-06 22:46:59,172 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 124 135) the Hoare annotation is: (let ((.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< ~pumpRunning~0 1)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse2 (< |old(~methaneLevelCritical~0)| 1)) (.cse7 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3) (or .cse5 .cse1 .cse6 .cse3) (or .cse4 .cse0 .cse2 (< ~waterLevel~0 2) .cse7))) [2023-11-06 22:46:59,172 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 124 135) no Hoare annotation was computed. [2023-11-06 22:46:59,173 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 845 874) no Hoare annotation was computed. [2023-11-06 22:46:59,173 INFO L899 garLoopResultBuilder]: For program point L859(lines 859 863) no Hoare annotation was computed. [2023-11-06 22:46:59,173 INFO L902 garLoopResultBuilder]: At program point L859-1(lines 859 863) the Hoare annotation is: true [2023-11-06 22:46:59,173 INFO L899 garLoopResultBuilder]: For program point L856(line 856) no Hoare annotation was computed. [2023-11-06 22:46:59,173 INFO L902 garLoopResultBuilder]: At program point L855-2(lines 855 869) the Hoare annotation is: true [2023-11-06 22:46:59,173 INFO L902 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: true [2023-11-06 22:46:59,173 INFO L899 garLoopResultBuilder]: For program point L851-1(line 851) no Hoare annotation was computed. [2023-11-06 22:46:59,173 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 845 874) the Hoare annotation is: true [2023-11-06 22:46:59,173 INFO L902 garLoopResultBuilder]: At program point L870(lines 845 874) the Hoare annotation is: true [2023-11-06 22:46:59,173 INFO L899 garLoopResultBuilder]: For program point L866(line 866) no Hoare annotation was computed. [2023-11-06 22:46:59,174 INFO L899 garLoopResultBuilder]: For program point L275-1(lines 274 293) no Hoare annotation was computed. [2023-11-06 22:46:59,174 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 345) no Hoare annotation was computed. [2023-11-06 22:46:59,174 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 350) no Hoare annotation was computed. [2023-11-06 22:46:59,174 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 271 294) no Hoare annotation was computed. [2023-11-06 22:46:59,175 INFO L895 garLoopResultBuilder]: At program point L375(line 375) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse1 (< |old(~waterLevel~0)| 2)) (.cse6 (not .cse3)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse4 .cse6) (or .cse7 (and .cse0 (= ~methAndRunningLastTime~0 0)) .cse2 .cse3 .cse4) (or .cse5 .cse8 .cse6) (or .cse0 .cse8 .cse2 .cse3) (or .cse5 .cse7 .cse8) (or .cse5 .cse7 .cse4)))) [2023-11-06 22:46:59,175 INFO L899 garLoopResultBuilder]: For program point L375-1(line 375) no Hoare annotation was computed. [2023-11-06 22:46:59,175 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 84) no Hoare annotation was computed. [2023-11-06 22:46:59,175 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 87) no Hoare annotation was computed. [2023-11-06 22:46:59,176 INFO L895 garLoopResultBuilder]: At program point L70-1(lines 62 90) the Hoare annotation is: (let ((.cse8 (= 0 ~systemActive~0))) (let ((.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= ~pumpRunning~0 0)) (.cse13 (= ~methAndRunningLastTime~0 0)) (.cse4 (not .cse8))) (let ((.cse5 (and .cse12 .cse13 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse4)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (<= 1 ~pumpRunning~0)) (.cse10 (<= 2 ~waterLevel~0)) (.cse14 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse15 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~0#1| 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and .cse12 .cse13 .cse11)) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse3 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse3) (or .cse0 .cse1 (and .cse9 .cse10 .cse11) (and .cse12 .cse13 .cse11 .cse4) .cse8 .cse3) (or .cse5 .cse1 .cse7 .cse8 .cse3) (or .cse0 .cse14 (and .cse12 .cse13 .cse15 .cse11) .cse4) (or (and .cse12 .cse13 .cse15 .cse11 .cse4) .cse0 .cse1 .cse14 .cse8 (and .cse9 .cse13 .cse10 .cse15 .cse11)) (or .cse14 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse13 .cse15) .cse7 (and .cse12 .cse13 .cse15 .cse4) .cse8) (or .cse0 .cse2 .cse6 .cse3 .cse4))))) [2023-11-06 22:46:59,176 INFO L895 garLoopResultBuilder]: At program point L343(line 343) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse3 (not .cse6)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2) (or .cse0 .cse7 .cse3) (or .cse1 .cse5 .cse6 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7 .cse5 .cse6) (or .cse0 .cse4 .cse7) (or .cse0 .cse4 .cse2)))) [2023-11-06 22:46:59,177 INFO L895 garLoopResultBuilder]: At program point L339(line 339) the Hoare annotation is: (let ((.cse8 (= 0 ~systemActive~0))) (let ((.cse1 (< |old(~waterLevel~0)| 2)) (.cse3 (not .cse8)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse6 (<= 1 |timeShift_processEnvironment_~tmp~3#1|)) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (and .cse4 .cse5 .cse6) .cse7 .cse8 .cse2) (or .cse0 .cse9 .cse3) (or .cse4 .cse9 .cse7 .cse8) (or (and .cse4 (= ~methAndRunningLastTime~0 0) .cse5 .cse6) .cse10 .cse7 .cse8 .cse2) (or .cse0 .cse10 .cse9) (or .cse0 .cse10 .cse2)))) [2023-11-06 22:46:59,177 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-11-06 22:46:59,177 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 835 842) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse6 (not .cse2)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse1 .cse2 .cse5) (or .cse3 .cse0 .cse6) (or .cse4 .cse1 .cse2 .cse5) (or .cse3 .cse7 .cse0) (or .cse3 .cse7 .cse5)))) [2023-11-06 22:46:59,177 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 271 294) the Hoare annotation is: (let ((.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= ~methAndRunningLastTime~0 0)) (.cse10 (= 0 ~systemActive~0)) (.cse14 (= ~pumpRunning~0 0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (and .cse14 .cse13)) (.cse7 (< |old(~waterLevel~0)| 2)) (.cse3 (not .cse10)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (and .cse14 .cse11 .cse13)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and .cse12 .cse13)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse10 .cse6) (or .cse0 .cse4 .cse11 (not (= |old(~waterLevel~0)| 1)) .cse2) (or .cse0 .cse1 .cse7 .cse6 .cse3) (or .cse0 .cse4 .cse5 .cse2 .cse10) (or .cse2 .cse8 .cse9 .cse10) (or (and .cse12 .cse11 .cse13) .cse4 .cse9 .cse10 .cse6)))) [2023-11-06 22:46:59,177 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2023-11-06 22:46:59,178 INFO L899 garLoopResultBuilder]: For program point L839(line 839) no Hoare annotation was computed. [2023-11-06 22:46:59,178 INFO L895 garLoopResultBuilder]: At program point L104-2(lines 100 111) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse1 (< |old(~waterLevel~0)| 2)) (.cse6 (not .cse3)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse4 .cse6) (or .cse7 (and .cse0 (= ~methAndRunningLastTime~0 0)) .cse2 .cse3 .cse4) (or .cse5 .cse8 .cse6) (or .cse0 .cse8 .cse2 .cse3) (or .cse5 .cse7 .cse8) (or .cse5 .cse7 .cse4)))) [2023-11-06 22:46:59,178 INFO L895 garLoopResultBuilder]: At program point L348(line 348) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse6 (not .cse2)) (.cse9 (= ~methAndRunningLastTime~0 0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (= ~pumpRunning~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse1 .cse2 .cse5) (or .cse3 .cse7 (and .cse8 .cse9 .cse10) .cse5) (or .cse3 .cse7 .cse5 .cse6) (or .cse3 .cse0 .cse6) (or .cse3 .cse7 .cse9 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse4 .cse1 .cse2 .cse5) (or .cse3 .cse7 (and .cse8 .cse10) .cse0)))) [2023-11-06 22:46:59,179 INFO L895 garLoopResultBuilder]: At program point L348-1(lines 329 353) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse16 (= |old(~pumpRunning~0)| 0)) (.cse11 (= ~pumpRunning~0 0)) (.cse6 (not .cse3))) (let ((.cse0 (< |old(~waterLevel~0)| 2)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse1 (and .cse11 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~3#1|) .cse6)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse5 (not .cse16)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methAndRunningLastTime~0 0)) (.cse13 (<= 2 ~waterLevel~0)) (.cse15 (and .cse11 .cse16 .cse14)) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse4 .cse6) (or .cse5 .cse7 .cse8 .cse9 .cse4) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10 (and .cse11 .cse6) .cse2 .cse3) (or .cse5 .cse7 (and .cse12 .cse13 .cse14) .cse15 .cse10) (or .cse5 .cse7 .cse4 .cse6) (or .cse5 .cse10 .cse6) (or .cse5 .cse7 .cse8 .cse9 .cse10) (or .cse7 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse7 (and .cse12 .cse8 .cse13 .cse14) .cse15 .cse4))))) [2023-11-06 22:46:59,179 INFO L899 garLoopResultBuilder]: For program point L282-1(lines 282 288) no Hoare annotation was computed. [2023-11-06 22:46:59,179 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 271 294) no Hoare annotation was computed. [2023-11-06 22:46:59,179 INFO L895 garLoopResultBuilder]: At program point isMethaneAlarm_returnLabel#1(lines 370 380) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse0 (< |old(~waterLevel~0)| 2)) (.cse7 (not .cse4)) (.cse2 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (< ~methaneLevelCritical~0 1))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse5 .cse7) (or .cse6 .cse8 .cse7) (or .cse9 (and .cse1 (= ~methAndRunningLastTime~0 0) .cse2) .cse3 .cse4 .cse5) (or .cse1 .cse8 .cse3 .cse4) (or .cse6 .cse9 .cse8) (or .cse6 .cse9 .cse5)))) [2023-11-06 22:46:59,180 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 381 389) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse12 (= ~pumpRunning~0 0)) (.cse13 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse8 (= ~methAndRunningLastTime~0 0)) (.cse0 (< |old(~waterLevel~0)| 2)) (.cse11 (and .cse12 .cse13 .cse10)) (.cse9 (not .cse2)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse3 (and .cse12 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse13)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2) (or .cse6 .cse7 .cse8 (not (= |old(~waterLevel~0)| 1)) .cse4) (or .cse6 .cse5 .cse9) (or .cse6 .cse7 (and (<= 1 ~pumpRunning~0) .cse8 (<= 2 ~waterLevel~0) .cse10) .cse11 .cse4) (or .cse6 .cse0 .cse11 .cse4 .cse9) (or .cse7 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse7 .cse5)))) [2023-11-06 22:46:59,180 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 839) no Hoare annotation was computed. [2023-11-06 22:46:59,180 INFO L895 garLoopResultBuilder]: At program point L68(line 68) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0))) (let ((.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse16 (= |old(~pumpRunning~0)| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (not .cse9))) (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse14 (and .cse6 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse7)) (.cse15 (< |old(~waterLevel~0)| 2)) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse0 (not .cse16)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse13 (and .cse6 .cse16 .cse12)) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 (and .cse6 .cse7) .cse8 .cse9) (or .cse0 .cse1 (and .cse10 .cse11 .cse12) .cse13 .cse5) (or .cse14 .cse1 .cse8 .cse9 .cse4) (or .cse0 .cse13 .cse5 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse0 (and .cse6 .cse12) .cse15 .cse4 .cse7) (or .cse14 .cse15 .cse8 .cse9 .cse4) (or .cse0 .cse1 (and .cse10 .cse2 .cse11 .cse12) .cse13 .cse4))))) [2023-11-06 22:46:59,180 INFO L899 garLoopResultBuilder]: For program point L68-1(line 68) no Hoare annotation was computed. [2023-11-06 22:46:59,180 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 136 144) the Hoare annotation is: true [2023-11-06 22:46:59,181 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 136 144) no Hoare annotation was computed. [2023-11-06 22:46:59,181 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 136 144) no Hoare annotation was computed. [2023-11-06 22:46:59,181 INFO L895 garLoopResultBuilder]: At program point startSystem_returnLabel#1(lines 460 467) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= ~methAndRunningLastTime~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse7 .cse8 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse8 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse8 .cse1 .cse2 .cse3 .cse4 .cse5))) [2023-11-06 22:46:59,181 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 906 916) the Hoare annotation is: true [2023-11-06 22:46:59,181 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 955 961) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:46:59,182 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 920 942) the Hoare annotation is: true [2023-11-06 22:46:59,182 INFO L902 garLoopResultBuilder]: At program point L259(lines 196 263) the Hoare annotation is: true [2023-11-06 22:46:59,182 INFO L899 garLoopResultBuilder]: For program point L226(lines 226 232) no Hoare annotation was computed. [2023-11-06 22:46:59,182 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 232) no Hoare annotation was computed. [2023-11-06 22:46:59,182 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 455) no Hoare annotation was computed. [2023-11-06 22:46:59,182 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 449 455) no Hoare annotation was computed. [2023-11-06 22:46:59,183 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:46:59,183 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:46:59,183 INFO L895 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse8) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5 .cse8))) [2023-11-06 22:46:59,183 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 899 905) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:46:59,183 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:46:59,183 INFO L895 garLoopResultBuilder]: At program point L256(lines 205 257) the Hoare annotation is: false [2023-11-06 22:46:59,184 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 250) no Hoare annotation was computed. [2023-11-06 22:46:59,184 INFO L895 garLoopResultBuilder]: At program point L244-2(lines 236 251) the Hoare annotation is: (let ((.cse10 (= 0 ~systemActive~0))) (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not .cse10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse8 .cse2 .cse9 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse10) (and .cse6 .cse7 .cse8 .cse2 .cse3 .cse4) (and .cse6 .cse8 .cse2 .cse9 .cse3 .cse4 .cse10) (and .cse0 .cse7 .cse8 .cse2 .cse3 .cse4 .cse5)))) [2023-11-06 22:46:59,184 INFO L899 garLoopResultBuilder]: For program point L207(lines 206 255) no Hoare annotation was computed. [2023-11-06 22:46:59,184 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 251) no Hoare annotation was computed. [2023-11-06 22:46:59,184 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:46:59,185 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 962 968) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:46:59,185 INFO L895 garLoopResultBuilder]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse8) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5 .cse8))) [2023-11-06 22:46:59,185 INFO L895 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse5 .cse1 .cse2 .cse3 .cse4))) [2023-11-06 22:46:59,185 INFO L899 garLoopResultBuilder]: For program point L930(lines 930 937) no Hoare annotation was computed. [2023-11-06 22:46:59,185 INFO L899 garLoopResultBuilder]: For program point L930-2(lines 930 937) no Hoare annotation was computed. [2023-11-06 22:46:59,186 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification2_spec__1_returnLabel#1(lines 54 61) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:46:59,186 INFO L895 garLoopResultBuilder]: At program point L253(lines 206 255) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse8) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5 .cse8))) [2023-11-06 22:46:59,186 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 222) no Hoare annotation was computed. [2023-11-06 22:46:59,186 INFO L899 garLoopResultBuilder]: For program point L216-1(lines 216 222) no Hoare annotation was computed. [2023-11-06 22:46:59,186 INFO L895 garLoopResultBuilder]: At program point stopSystem_returnLabel#1(lines 445 459) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= 0 ~systemActive~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse5 .cse1 .cse2 .cse3 .cse4))) [2023-11-06 22:46:59,187 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 212) no Hoare annotation was computed. [2023-11-06 22:46:59,187 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 969 977) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:46:59,187 INFO L899 garLoopResultBuilder]: For program point L322-1(lines 303 327) no Hoare annotation was computed. [2023-11-06 22:46:59,187 INFO L895 garLoopResultBuilder]: At program point activatePump_returnLabel#1(lines 354 361) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse1 (not (= ~methAndRunningLastTime~0 0)) (< ~methaneLevelCritical~0 1)))) [2023-11-06 22:46:59,187 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 303 327) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0)) (< ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse3 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (< |old(~pumpRunning~0)| 1) .cse2))) [2023-11-06 22:46:59,188 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 177 190) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and .cse5 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and .cse5 (<= 2 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1) (or .cse2 .cse3 .cse4 .cse1 (not (= ~methAndRunningLastTime~0 0)) (< ~methaneLevelCritical~0 1)) (or .cse2 .cse3 .cse0 .cse4 .cse1)))) [2023-11-06 22:46:59,188 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 426 444) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse6 (= |old(~pumpRunning~0)| 0))) (let ((.cse2 (not .cse6)) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) .cse6 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~4#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (not .cse1))) (.cse4 (and .cse5 (<= 2 ~waterLevel~0)))) (and (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1) (or .cse2 .cse3 .cse4 .cse1 (not (= ~methAndRunningLastTime~0 0)) (< ~methaneLevelCritical~0 1)) (or .cse2 .cse0 .cse3 .cse4 .cse1)))) [2023-11-06 22:46:59,188 INFO L895 garLoopResultBuilder]: At program point L317(line 317) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse4)) (.cse1 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0) .cse4 (not .cse3))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methAndRunningLastTime~0 0)) (< ~methaneLevelCritical~0 1)) (or .cse2 (< |old(~pumpRunning~0)| 1) .cse3)))) [2023-11-06 22:46:59,188 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 303 327) no Hoare annotation was computed. [2023-11-06 22:46:59,188 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 319) no Hoare annotation was computed. [2023-11-06 22:46:59,189 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 187) no Hoare annotation was computed. [2023-11-06 22:46:59,189 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 324) no Hoare annotation was computed. [2023-11-06 22:46:59,189 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 439) no Hoare annotation was computed. [2023-11-06 22:46:59,189 INFO L899 garLoopResultBuilder]: For program point L435-2(lines 435 439) no Hoare annotation was computed. [2023-11-06 22:46:59,189 INFO L895 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 (not (= ~methAndRunningLastTime~0 0)) (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (< |old(~pumpRunning~0)| 1) .cse2))) [2023-11-06 22:46:59,189 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 112 123) no Hoare annotation was computed. [2023-11-06 22:46:59,190 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 112 123) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse3 (= 0 ~systemActive~0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~pumpRunning~0 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (< |old(~waterLevel~0)| 2) .cse2 .cse3 .cse5) (or .cse6 .cse1 .cse2 .cse4) (or .cse6 .cse2 .cse4 .cse5))) [2023-11-06 22:46:59,190 INFO L899 garLoopResultBuilder]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2023-11-06 22:46:59,192 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:59,194 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:46:59,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:46:59 BoogieIcfgContainer [2023-11-06 22:46:59,246 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:46:59,247 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:46:59,247 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:46:59,247 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:46:59,248 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:42" (3/4) ... [2023-11-06 22:46:59,250 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:46:59,255 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-06 22:46:59,255 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-06 22:46:59,255 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-06 22:46:59,256 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-06 22:46:59,256 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-06 22:46:59,256 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-06 22:46:59,256 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:46:59,257 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-06 22:46:59,265 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-06 22:46:59,266 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 22:46:59,267 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:46:59,268 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:46:59,268 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:46:59,300 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:46:59,300 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:46:59,301 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:46:59,301 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) || (((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (\result == 1)) && (2 <= waterLevel)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0))) || (((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-06 22:46:59,302 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == \old(pumpRunning)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && ((((!((\old(methAndRunningLastTime) == 0)) || ((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0)))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:46:59,303 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((\old(waterLevel) < 2) || ((((pumpRunning == 0) && (1 <= \result)) && (1 <= tmp)) && !((0 == systemActive)))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || (methaneLevelCritical < 1))) && (((((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && !((0 == systemActive)))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((1 <= pumpRunning) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || !((methaneLevelCritical == 0)))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || !((methaneLevelCritical == 0)))) && ((((!((\old(methAndRunningLastTime) == 0)) || ((((pumpRunning == 0) && (1 <= \result)) && (1 <= tmp)) && !((0 == systemActive)))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) [2023-11-06 22:46:59,304 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1)) || !((0 == systemActive))) && ((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= \result)) && !((0 == systemActive))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((1 <= pumpRunning) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel)) && !((0 == systemActive)))) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= \result)) && !((0 == systemActive))) || !((\old(methAndRunningLastTime) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && ((((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && !((0 == systemActive))) || !((\old(pumpRunning) == 0))) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0))) || (0 == systemActive)) || (((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)))) && ((((!((methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (tmp == 0))) || (\old(pumpRunning) < 1)) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (tmp == 0)) && !((0 == systemActive)))) || (0 == systemActive))) && ((((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) [2023-11-06 22:46:59,304 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive))) || (((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (\result == 1)) && (2 <= waterLevel)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-06 22:46:59,305 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\old(waterLevel) < 2) || ((pumpRunning == \old(pumpRunning)) && (1 <= \result))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((!((\old(methAndRunningLastTime) == 0)) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (1 <= \result))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0)))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:46:59,305 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\old(waterLevel) < 2) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (((pumpRunning == 0) && (1 <= \result)) && (\result == 0))) || (methaneLevelCritical < 1)) && ((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 2)) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && ((((!((\old(methAndRunningLastTime) == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (((pumpRunning == 0) && (1 <= \result)) && (\result == 0))) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0)))) [2023-11-06 22:46:59,305 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive)) || (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\result == 1)) && (2 <= waterLevel)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive))) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive))) [2023-11-06 22:46:59,306 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && !((\result == 0)))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && !((\result == 0)))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive))) [2023-11-06 22:46:59,306 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && (((!((\old(methAndRunningLastTime) == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((\old(waterLevel) < 2) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0)))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:46:59,307 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((((!((\old(pumpRunning) == 0)) || ((((((pumpRunning == 0) && (tmp___0 == 0)) && (\old(pumpRunning) == 0)) && !((tmp == 0))) && (\result == 0)) && !((0 == systemActive)))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || ((((((pumpRunning == 0) && (tmp___0 == 0)) && (\old(pumpRunning) == 0)) && !((tmp == 0))) && (\result == 0)) && !((0 == systemActive)))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive))) [2023-11-06 22:46:59,307 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((!((\old(pumpRunning) == 0)) || ((1 <= pumpRunning) && (2 <= waterLevel))) || !((methaneLevelCritical == 0))) || (0 == systemActive))) && ((((!((\old(pumpRunning) == 0)) || ((1 <= pumpRunning) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:46:59,343 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:46:59,343 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:46:59,343 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:46:59,343 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) || (((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (\result == 1)) && (2 <= waterLevel)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0))) || (((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-06 22:46:59,344 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == \old(pumpRunning)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && ((((!((\old(methAndRunningLastTime) == 0)) || ((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0)))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:46:59,344 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((\old(waterLevel) < 2) || ((((pumpRunning == 0) && (1 <= \result)) && (1 <= tmp)) && !((0 == systemActive)))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || (methaneLevelCritical < 1))) && (((((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && !((0 == systemActive)))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((1 <= pumpRunning) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || !((methaneLevelCritical == 0)))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || !((methaneLevelCritical == 0)))) && ((((!((\old(methAndRunningLastTime) == 0)) || ((((pumpRunning == 0) && (1 <= \result)) && (1 <= tmp)) && !((0 == systemActive)))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) [2023-11-06 22:46:59,345 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1)) || !((0 == systemActive))) && ((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= \result)) && !((0 == systemActive))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((1 <= pumpRunning) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel)) && !((0 == systemActive)))) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= \result)) && !((0 == systemActive))) || !((\old(methAndRunningLastTime) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && ((((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && !((0 == systemActive))) || !((\old(pumpRunning) == 0))) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0))) || (0 == systemActive)) || (((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)))) && ((((!((methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (tmp == 0))) || (\old(pumpRunning) < 1)) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (tmp == 0)) && !((0 == systemActive)))) || (0 == systemActive))) && ((((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) [2023-11-06 22:46:59,345 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive))) || (((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (\result == 1)) && (2 <= waterLevel)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-06 22:46:59,345 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\old(waterLevel) < 2) || ((pumpRunning == \old(pumpRunning)) && (1 <= \result))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((!((\old(methAndRunningLastTime) == 0)) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (1 <= \result))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0)))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:46:59,346 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\old(waterLevel) < 2) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (((pumpRunning == 0) && (1 <= \result)) && (\result == 0))) || (methaneLevelCritical < 1)) && ((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 2)) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && ((((!((\old(methAndRunningLastTime) == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (((pumpRunning == 0) && (1 <= \result)) && (\result == 0))) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0)))) [2023-11-06 22:46:59,346 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive)) || (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\result == 1)) && (2 <= waterLevel)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive))) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive))) [2023-11-06 22:46:59,346 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && !((\result == 0)))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && !((\result == 0)))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive))) [2023-11-06 22:46:59,346 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && (((!((\old(methAndRunningLastTime) == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((\old(waterLevel) < 2) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0)))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:46:59,347 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((((!((\old(pumpRunning) == 0)) || ((((((pumpRunning == 0) && (tmp___0 == 0)) && (\old(pumpRunning) == 0)) && !((tmp == 0))) && (\result == 0)) && !((0 == systemActive)))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || ((((((pumpRunning == 0) && (tmp___0 == 0)) && (\old(pumpRunning) == 0)) && !((tmp == 0))) && (\result == 0)) && !((0 == systemActive)))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive))) [2023-11-06 22:46:59,347 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((!((\old(pumpRunning) == 0)) || ((1 <= pumpRunning) && (2 <= waterLevel))) || !((methaneLevelCritical == 0))) || (0 == systemActive))) && ((((!((\old(pumpRunning) == 0)) || ((1 <= pumpRunning) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:46:59,362 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:46:59,363 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:46:59,363 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:46:59,364 INFO L158 Benchmark]: Toolchain (without parser) took 18453.97ms. Allocated memory was 153.1MB in the beginning and 270.5MB in the end (delta: 117.4MB). Free memory was 106.8MB in the beginning and 213.2MB in the end (delta: -106.3MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2023-11-06 22:46:59,364 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 153.1MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:46:59,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 615.63ms. Allocated memory is still 153.1MB. Free memory was 106.5MB in the beginning and 87.5MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:46:59,365 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.07ms. Allocated memory is still 153.1MB. Free memory was 87.5MB in the beginning and 85.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:46:59,366 INFO L158 Benchmark]: Boogie Preprocessor took 39.33ms. Allocated memory is still 153.1MB. Free memory was 85.1MB in the beginning and 83.8MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:46:59,366 INFO L158 Benchmark]: RCFGBuilder took 751.53ms. Allocated memory was 153.1MB in the beginning and 224.4MB in the end (delta: 71.3MB). Free memory was 83.8MB in the beginning and 188.7MB in the end (delta: -105.0MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-11-06 22:46:59,367 INFO L158 Benchmark]: TraceAbstraction took 16843.98ms. Allocated memory was 224.4MB in the beginning and 270.5MB in the end (delta: 46.1MB). Free memory was 187.7MB in the beginning and 220.5MB in the end (delta: -32.8MB). Peak memory consumption was 158.2MB. Max. memory is 16.1GB. [2023-11-06 22:46:59,367 INFO L158 Benchmark]: Witness Printer took 116.52ms. Allocated memory is still 270.5MB. Free memory was 220.5MB in the beginning and 213.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:46:59,369 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 153.1MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 615.63ms. Allocated memory is still 153.1MB. Free memory was 106.5MB in the beginning and 87.5MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.07ms. Allocated memory is still 153.1MB. Free memory was 87.5MB in the beginning and 85.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.33ms. Allocated memory is still 153.1MB. Free memory was 85.1MB in the beginning and 83.8MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 751.53ms. Allocated memory was 153.1MB in the beginning and 224.4MB in the end (delta: 71.3MB). Free memory was 83.8MB in the beginning and 188.7MB in the end (delta: -105.0MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * TraceAbstraction took 16843.98ms. Allocated memory was 224.4MB in the beginning and 270.5MB in the end (delta: 46.1MB). Free memory was 187.7MB in the beginning and 220.5MB in the end (delta: -32.8MB). Peak memory consumption was 158.2MB. Max. memory is 16.1GB. * Witness Printer took 116.52ms. Allocated memory is still 270.5MB. Free memory was 220.5MB in the beginning and 213.2MB in the end (delta: 7.3MB). 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,"Specification2_spec.i","") [49] - GenericResultAtLocation [Line: 91]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [91] - GenericResultAtLocation [Line: 191]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [191] - GenericResultAtLocation [Line: 264]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [264] - GenericResultAtLocation [Line: 468]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [468] - GenericResultAtLocation [Line: 834]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [834] - GenericResultAtLocation [Line: 843]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [843] - GenericResultAtLocation [Line: 943]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [943] * 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: 839]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.7s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1107 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1082 mSDsluCounter, 4029 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2711 mSDsCounter, 263 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 732 IncrementalHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 263 mSolverCounterUnsat, 1318 mSDtfsCounter, 732 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 658 GetRequests, 568 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=939occurred in iteration=10, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 239 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 1969 PreInvPairs, 2222 NumberOfFragments, 3108 HoareAnnotationTreeSize, 1969 FomulaSimplifications, 308 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 44 FomulaSimplificationsInter, 14804 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1060 NumberOfCodeBlocks, 1060 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1136 ConstructedInterpolants, 0 QuantifiedInterpolants, 2126 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1326 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 296/310 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: 206]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) || (((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (\result == 1)) && (2 <= waterLevel)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0))) || (((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive)) || (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\result == 1)) && (2 <= waterLevel)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive))) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive))) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: ((((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive))) || (((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (\result == 1)) && (2 <= waterLevel)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: ((((((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && (((!((\old(methAndRunningLastTime) == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((\old(waterLevel) < 2) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0)))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: ((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((!((\old(pumpRunning) == 0)) || ((1 <= pumpRunning) && (2 <= waterLevel))) || !((methaneLevelCritical == 0))) || (0 == systemActive))) && ((((!((\old(pumpRunning) == 0)) || ((1 <= pumpRunning) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: (((((((((((\old(waterLevel) < 2) || ((pumpRunning == \old(pumpRunning)) && (1 <= \result))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((!((\old(methAndRunningLastTime) == 0)) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (1 <= \result))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0)))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: ((((((((((((((\old(waterLevel) < 2) || ((((pumpRunning == 0) && (1 <= \result)) && (1 <= tmp)) && !((0 == systemActive)))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || (methaneLevelCritical < 1))) && (((((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && !((0 == systemActive)))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((1 <= pumpRunning) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || !((methaneLevelCritical == 0)))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || !((methaneLevelCritical == 0)))) && ((((!((\old(methAndRunningLastTime) == 0)) || ((((pumpRunning == 0) && (1 <= \result)) && (1 <= tmp)) && !((0 == systemActive)))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: ((((((((((((\old(waterLevel) < 2) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (((pumpRunning == 0) && (1 <= \result)) && (\result == 0))) || (methaneLevelCritical < 1)) && ((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 2)) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && ((((!((\old(methAndRunningLastTime) == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (((pumpRunning == 0) && (1 <= \result)) && (\result == 0))) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0)))) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == \old(pumpRunning)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && ((((!((\old(methAndRunningLastTime) == 0)) || ((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0)))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((((((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1)) || !((0 == systemActive))) && ((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= \result)) && !((0 == systemActive))) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((1 <= pumpRunning) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel)) && !((0 == systemActive)))) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= \result)) && !((0 == systemActive))) || !((\old(methAndRunningLastTime) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && ((((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && !((0 == systemActive))) || !((\old(pumpRunning) == 0))) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0))) || (0 == systemActive)) || (((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)))) && ((((!((methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (tmp == 0))) || (\old(pumpRunning) < 1)) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (tmp == 0)) && !((0 == systemActive)))) || (0 == systemActive))) && ((((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: ((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && !((\result == 0)))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && !((\result == 0)))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive))) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: ((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((((!((\old(pumpRunning) == 0)) || ((((((pumpRunning == 0) && (tmp___0 == 0)) && (\old(pumpRunning) == 0)) && !((tmp == 0))) && (\result == 0)) && !((0 == systemActive)))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || ((((((pumpRunning == 0) && (tmp___0 == 0)) && (\old(pumpRunning) == 0)) && !((tmp == 0))) && (\result == 0)) && !((0 == systemActive)))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive))) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:46:59,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6208f3d-03ff-4b45-956a-e6f637eafbb9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE