./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/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_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/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_7a8e2551-31f1-412c-af9f-04fc9cb93397/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 9e826f48819dedbf1a290c3ced69eb835c065ed69febc6d0054f416e73afcb1c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:03:06,677 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:03:06,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:03:06,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:03:06,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:03:06,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:03:06,891 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:03:06,892 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:03:06,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:03:06,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:03:06,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:03:06,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:03:06,904 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:03:06,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:03:06,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:03:06,908 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:03:06,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:03:06,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:03:06,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:03:06,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:03:06,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:03:06,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:03:06,914 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:03:06,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:03:06,915 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:03:06,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:03:06,917 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:03:06,917 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:03:06,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:03:06,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:03:06,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:03:06,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:03:06,921 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:03:06,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:03:06,922 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:03:06,922 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:03:06,923 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:03:06,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:03:06,923 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:03:06,924 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_7a8e2551-31f1-412c-af9f-04fc9cb93397/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e826f48819dedbf1a290c3ced69eb835c065ed69febc6d0054f416e73afcb1c [2023-11-06 22:03:07,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:03:07,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:03:07,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:03:07,381 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:03:07,381 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:03:07,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c [2023-11-06 22:03:10,592 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:03:10,871 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:03:10,871 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c [2023-11-06 22:03:10,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/data/5fe7b5f23/55a004905a0f499788b48b0a89260f2e/FLAGfe79536e7 [2023-11-06 22:03:10,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/data/5fe7b5f23/55a004905a0f499788b48b0a89260f2e [2023-11-06 22:03:10,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:03:10,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:03:10,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:03:10,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:03:10,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:03:10,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:03:10" (1/1) ... [2023-11-06 22:03:10,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3992bab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:10, skipping insertion in model container [2023-11-06 22:03:10,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:03:10" (1/1) ... [2023-11-06 22:03:11,008 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:03:11,271 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_7a8e2551-31f1-412c-af9f-04fc9cb93397/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c[13125,13138] [2023-11-06 22:03:11,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:03:11,336 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:03:11,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-11-06 22:03:11,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415] [2023-11-06 22:03:11,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [521] [2023-11-06 22:03:11,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [556] [2023-11-06 22:03:11,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [565] [2023-11-06 22:03:11,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [633] [2023-11-06 22:03:11,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [742] [2023-11-06 22:03:11,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [988] [2023-11-06 22:03:11,406 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_7a8e2551-31f1-412c-af9f-04fc9cb93397/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c[13125,13138] [2023-11-06 22:03:11,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:03:11,444 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:03:11,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:11 WrapperNode [2023-11-06 22:03:11,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:03:11,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:03:11,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:03:11,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:03:11,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:11" (1/1) ... [2023-11-06 22:03:11,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:11" (1/1) ... [2023-11-06 22:03:11,522 INFO L138 Inliner]: procedures = 59, calls = 107, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 238 [2023-11-06 22:03:11,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:03:11,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:03:11,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:03:11,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:03:11,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:11" (1/1) ... [2023-11-06 22:03:11,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:11" (1/1) ... [2023-11-06 22:03:11,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:11" (1/1) ... [2023-11-06 22:03:11,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:11" (1/1) ... [2023-11-06 22:03:11,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:11" (1/1) ... [2023-11-06 22:03:11,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:11" (1/1) ... [2023-11-06 22:03:11,556 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:11" (1/1) ... [2023-11-06 22:03:11,557 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:11" (1/1) ... [2023-11-06 22:03:11,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:03:11,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:03:11,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:03:11,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:03:11,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:11" (1/1) ... [2023-11-06 22:03:11,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:03:11,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:03:11,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:03:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:03:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-06 22:03:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-06 22:03:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-06 22:03:11,667 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-06 22:03:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-06 22:03:11,667 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-06 22:03:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:03:11,667 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:03:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-06 22:03:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-06 22:03:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-06 22:03:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-06 22:03:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-06 22:03:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-06 22:03:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-06 22:03:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-06 22:03:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:03:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-06 22:03:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-06 22:03:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:03:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:03:11,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:03:11,805 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:03:11,808 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:03:12,216 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:03:12,225 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:03:12,227 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:03:12,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:12 BoogieIcfgContainer [2023-11-06 22:03:12,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:03:12,234 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:03:12,235 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:03:12,238 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:03:12,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:03:10" (1/3) ... [2023-11-06 22:03:12,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d0cbab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:03:12, skipping insertion in model container [2023-11-06 22:03:12,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:11" (2/3) ... [2023-11-06 22:03:12,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d0cbab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:03:12, skipping insertion in model container [2023-11-06 22:03:12,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:12" (3/3) ... [2023-11-06 22:03:12,244 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product55.cil.c [2023-11-06 22:03:12,296 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:03:12,297 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:03:12,363 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:03:12,371 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;@429e0721, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:03:12,372 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:03:12,377 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 92 states have internal predecessors, (111), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-06 22:03:12,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-06 22:03:12,393 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:12,394 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:12,394 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:12,402 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:12,403 INFO L85 PathProgramCache]: Analyzing trace with hash 158818465, now seen corresponding path program 1 times [2023-11-06 22:03:12,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:12,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585381692] [2023-11-06 22:03:12,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:12,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:12,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 22:03:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:12,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:03:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:12,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:03:12,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:12,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585381692] [2023-11-06 22:03:12,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585381692] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:12,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:12,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:03:12,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782994255] [2023-11-06 22:03:12,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:12,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:03:12,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:12,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:03:12,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:03:12,756 INFO L87 Difference]: Start difference. First operand has 109 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 92 states have internal predecessors, (111), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:03:12,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:12,823 INFO L93 Difference]: Finished difference Result 209 states and 284 transitions. [2023-11-06 22:03:12,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:03:12,826 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2023-11-06 22:03:12,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:12,842 INFO L225 Difference]: With dead ends: 209 [2023-11-06 22:03:12,842 INFO L226 Difference]: Without dead ends: 100 [2023-11-06 22:03:12,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:03:12,851 INFO L413 NwaCegarLoop]: 139 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, 139 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 22:03:12,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:03:12,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-06 22:03:12,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2023-11-06 22:03:12,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 74 states have (on average 1.3108108108108107) internal successors, (97), 84 states have internal predecessors, (97), 17 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:03:12,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 130 transitions. [2023-11-06 22:03:12,936 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 130 transitions. Word has length 32 [2023-11-06 22:03:12,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:12,938 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 130 transitions. [2023-11-06 22:03:12,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:03:12,939 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 130 transitions. [2023-11-06 22:03:12,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-06 22:03:12,945 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:12,946 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 22:03:12,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:03:12,947 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:12,947 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:12,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1623741410, now seen corresponding path program 1 times [2023-11-06 22:03:12,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:12,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207770260] [2023-11-06 22:03:12,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:12,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:13,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:03:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:13,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 22:03:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:03:13,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:13,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207770260] [2023-11-06 22:03:13,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207770260] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:13,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:13,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:03:13,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70707688] [2023-11-06 22:03:13,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:13,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:03:13,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:13,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:03:13,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:03:13,244 INFO L87 Difference]: Start difference. First operand 100 states and 130 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:03:13,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:13,294 INFO L93 Difference]: Finished difference Result 283 states and 376 transitions. [2023-11-06 22:03:13,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:03:13,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2023-11-06 22:03:13,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:13,299 INFO L225 Difference]: With dead ends: 283 [2023-11-06 22:03:13,299 INFO L226 Difference]: Without dead ends: 191 [2023-11-06 22:03:13,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 22:03:13,303 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 105 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:13,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 264 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:03:13,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-11-06 22:03:13,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 188. [2023-11-06 22:03:13,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 137 states have (on average 1.3284671532846715) internal successors, (182), 156 states have internal predecessors, (182), 34 states have call successors, (34), 18 states have call predecessors, (34), 16 states have return successors, (32), 21 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-06 22:03:13,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 248 transitions. [2023-11-06 22:03:13,345 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 248 transitions. Word has length 37 [2023-11-06 22:03:13,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:13,346 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 248 transitions. [2023-11-06 22:03:13,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:03:13,347 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 248 transitions. [2023-11-06 22:03:13,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-06 22:03:13,350 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:13,351 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 22:03:13,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:03:13,351 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:13,352 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:13,352 INFO L85 PathProgramCache]: Analyzing trace with hash -247150276, now seen corresponding path program 1 times [2023-11-06 22:03:13,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:13,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318225863] [2023-11-06 22:03:13,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:13,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:13,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:03:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:13,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-06 22:03:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:13,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:03:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:13,502 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:03:13,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:13,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318225863] [2023-11-06 22:03:13,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318225863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:13,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:13,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:03:13,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082215040] [2023-11-06 22:03:13,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:13,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:03:13,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:13,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:03:13,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:03:13,506 INFO L87 Difference]: Start difference. First operand 188 states and 248 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:03:13,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:13,913 INFO L93 Difference]: Finished difference Result 572 states and 798 transitions. [2023-11-06 22:03:13,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:03:13,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2023-11-06 22:03:13,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:13,920 INFO L225 Difference]: With dead ends: 572 [2023-11-06 22:03:13,921 INFO L226 Difference]: Without dead ends: 392 [2023-11-06 22:03:13,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:03:13,925 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 192 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:13,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 274 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:03:13,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2023-11-06 22:03:13,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 361. [2023-11-06 22:03:13,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 266 states have (on average 1.2932330827067668) internal successors, (344), 283 states have internal predecessors, (344), 54 states have call successors, (54), 34 states have call predecessors, (54), 40 states have return successors, (88), 53 states have call predecessors, (88), 50 states have call successors, (88) [2023-11-06 22:03:13,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 486 transitions. [2023-11-06 22:03:13,991 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 486 transitions. Word has length 46 [2023-11-06 22:03:13,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:13,992 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 486 transitions. [2023-11-06 22:03:13,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:03:13,993 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 486 transitions. [2023-11-06 22:03:13,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 22:03:13,995 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:13,995 INFO L195 NwaCegarLoop]: trace histogram [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 22:03:13,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:03:13,995 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:13,996 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:13,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1317125140, now seen corresponding path program 1 times [2023-11-06 22:03:13,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:13,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140247082] [2023-11-06 22:03:13,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:13,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:14,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:03:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:14,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:03:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:14,197 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:03:14,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:14,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140247082] [2023-11-06 22:03:14,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140247082] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:14,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:14,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:03:14,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583845732] [2023-11-06 22:03:14,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:14,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:03:14,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:14,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:03:14,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:03:14,202 INFO L87 Difference]: Start difference. First operand 361 states and 486 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:03:14,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:14,421 INFO L93 Difference]: Finished difference Result 718 states and 982 transitions. [2023-11-06 22:03:14,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:03:14,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2023-11-06 22:03:14,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:14,432 INFO L225 Difference]: With dead ends: 718 [2023-11-06 22:03:14,432 INFO L226 Difference]: Without dead ends: 365 [2023-11-06 22:03:14,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:14,448 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 68 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:14,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 604 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:03:14,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2023-11-06 22:03:14,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 357. [2023-11-06 22:03:14,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 262 states have (on average 1.2671755725190839) internal successors, (332), 279 states have internal predecessors, (332), 54 states have call successors, (54), 34 states have call predecessors, (54), 40 states have return successors, (88), 53 states have call predecessors, (88), 50 states have call successors, (88) [2023-11-06 22:03:14,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 474 transitions. [2023-11-06 22:03:14,546 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 474 transitions. Word has length 41 [2023-11-06 22:03:14,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:14,548 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 474 transitions. [2023-11-06 22:03:14,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:03:14,549 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 474 transitions. [2023-11-06 22:03:14,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-06 22:03:14,559 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:14,560 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 22:03:14,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:03:14,560 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:14,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:14,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1670735369, now seen corresponding path program 1 times [2023-11-06 22:03:14,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:14,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475257521] [2023-11-06 22:03:14,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:14,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:14,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:03:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:14,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:03:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:14,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:03:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:14,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 22:03:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:14,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:03:14,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:14,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475257521] [2023-11-06 22:03:14,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475257521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:14,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:14,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:03:14,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858194465] [2023-11-06 22:03:14,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:14,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:03:14,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:14,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:03:14,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:03:14,680 INFO L87 Difference]: Start difference. First operand 357 states and 474 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:03:14,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:14,826 INFO L93 Difference]: Finished difference Result 593 states and 758 transitions. [2023-11-06 22:03:14,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:03:14,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2023-11-06 22:03:14,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:14,831 INFO L225 Difference]: With dead ends: 593 [2023-11-06 22:03:14,831 INFO L226 Difference]: Without dead ends: 323 [2023-11-06 22:03:14,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:03:14,834 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 77 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:14,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 225 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:03:14,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2023-11-06 22:03:14,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 321. [2023-11-06 22:03:14,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 238 states have (on average 1.2773109243697478) internal successors, (304), 255 states have internal predecessors, (304), 42 states have call successors, (42), 30 states have call predecessors, (42), 40 states have return successors, (64), 45 states have call predecessors, (64), 42 states have call successors, (64) [2023-11-06 22:03:14,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 410 transitions. [2023-11-06 22:03:14,875 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 410 transitions. Word has length 52 [2023-11-06 22:03:14,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:14,875 INFO L495 AbstractCegarLoop]: Abstraction has 321 states and 410 transitions. [2023-11-06 22:03:14,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:03:14,876 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 410 transitions. [2023-11-06 22:03:14,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-06 22:03:14,877 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:14,877 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 22:03:14,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:03:14,878 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:14,878 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:14,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1401707673, now seen corresponding path program 1 times [2023-11-06 22:03:14,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:14,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032484254] [2023-11-06 22:03:14,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:14,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:14,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:03:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:14,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:03:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:14,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:03:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:15,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 22:03:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:15,018 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:03:15,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:15,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032484254] [2023-11-06 22:03:15,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032484254] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:15,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:15,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:03:15,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114285634] [2023-11-06 22:03:15,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:15,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:03:15,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:15,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:03:15,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:03:15,021 INFO L87 Difference]: Start difference. First operand 321 states and 410 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:03:15,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:15,236 INFO L93 Difference]: Finished difference Result 648 states and 843 transitions. [2023-11-06 22:03:15,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:03:15,237 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2023-11-06 22:03:15,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:15,267 INFO L225 Difference]: With dead ends: 648 [2023-11-06 22:03:15,267 INFO L226 Difference]: Without dead ends: 335 [2023-11-06 22:03:15,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 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 22:03:15,269 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 71 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:15,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 438 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:03:15,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2023-11-06 22:03:15,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 327. [2023-11-06 22:03:15,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 244 states have (on average 1.2704918032786885) internal successors, (310), 261 states have internal predecessors, (310), 42 states have call successors, (42), 30 states have call predecessors, (42), 40 states have return successors, (64), 45 states have call predecessors, (64), 42 states have call successors, (64) [2023-11-06 22:03:15,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 416 transitions. [2023-11-06 22:03:15,304 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 416 transitions. Word has length 56 [2023-11-06 22:03:15,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:15,304 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 416 transitions. [2023-11-06 22:03:15,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:03:15,305 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 416 transitions. [2023-11-06 22:03:15,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-06 22:03:15,306 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:15,306 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 22:03:15,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:03:15,307 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:15,307 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:15,307 INFO L85 PathProgramCache]: Analyzing trace with hash -979005847, now seen corresponding path program 1 times [2023-11-06 22:03:15,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:15,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707349183] [2023-11-06 22:03:15,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:15,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:15,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:03:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:15,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:03:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:15,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:03:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:15,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 22:03:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:15,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:03:15,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:15,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707349183] [2023-11-06 22:03:15,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707349183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:15,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:15,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:03:15,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126734705] [2023-11-06 22:03:15,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:15,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:03:15,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:15,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:03:15,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:03:15,452 INFO L87 Difference]: Start difference. First operand 327 states and 416 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-06 22:03:15,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:15,773 INFO L93 Difference]: Finished difference Result 670 states and 875 transitions. [2023-11-06 22:03:15,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:03:15,774 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2023-11-06 22:03:15,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:15,777 INFO L225 Difference]: With dead ends: 670 [2023-11-06 22:03:15,777 INFO L226 Difference]: Without dead ends: 351 [2023-11-06 22:03:15,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:03:15,779 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 224 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:15,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 470 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:03:15,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2023-11-06 22:03:15,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 331. [2023-11-06 22:03:15,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 248 states have (on average 1.2661290322580645) internal successors, (314), 265 states have internal predecessors, (314), 42 states have call successors, (42), 30 states have call predecessors, (42), 40 states have return successors, (64), 45 states have call predecessors, (64), 42 states have call successors, (64) [2023-11-06 22:03:15,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 420 transitions. [2023-11-06 22:03:15,813 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 420 transitions. Word has length 56 [2023-11-06 22:03:15,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:15,813 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 420 transitions. [2023-11-06 22:03:15,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-06 22:03:15,814 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 420 transitions. [2023-11-06 22:03:15,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-06 22:03:15,815 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:15,815 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 22:03:15,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:03:15,815 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:15,816 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:15,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1510523115, now seen corresponding path program 1 times [2023-11-06 22:03:15,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:15,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752567088] [2023-11-06 22:03:15,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:15,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:15,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:03:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:15,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:03:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:15,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:03:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:15,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 22:03:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:15,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:03:15,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:15,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752567088] [2023-11-06 22:03:15,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752567088] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:15,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:15,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:03:15,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213863815] [2023-11-06 22:03:15,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:15,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:03:15,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:15,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:03:15,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:03:15,927 INFO L87 Difference]: Start difference. First operand 331 states and 420 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-06 22:03:16,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:16,236 INFO L93 Difference]: Finished difference Result 946 states and 1245 transitions. [2023-11-06 22:03:16,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:03:16,237 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2023-11-06 22:03:16,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:16,241 INFO L225 Difference]: With dead ends: 946 [2023-11-06 22:03:16,241 INFO L226 Difference]: Without dead ends: 623 [2023-11-06 22:03:16,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 1 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 22:03:16,244 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 244 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:16,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 353 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:03:16,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2023-11-06 22:03:16,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 616. [2023-11-06 22:03:16,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 459 states have (on average 1.2287581699346406) internal successors, (564), 485 states have internal predecessors, (564), 83 states have call successors, (83), 67 states have call predecessors, (83), 73 states have return successors, (135), 84 states have call predecessors, (135), 83 states have call successors, (135) [2023-11-06 22:03:16,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 782 transitions. [2023-11-06 22:03:16,312 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 782 transitions. Word has length 56 [2023-11-06 22:03:16,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:16,312 INFO L495 AbstractCegarLoop]: Abstraction has 616 states and 782 transitions. [2023-11-06 22:03:16,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-06 22:03:16,313 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 782 transitions. [2023-11-06 22:03:16,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-06 22:03:16,314 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:16,314 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:16,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:03:16,315 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:16,315 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:16,315 INFO L85 PathProgramCache]: Analyzing trace with hash -193074427, now seen corresponding path program 1 times [2023-11-06 22:03:16,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:16,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112170364] [2023-11-06 22:03:16,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:16,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:16,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:03:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:16,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:03:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:16,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-06 22:03:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:16,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:03:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:16,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-06 22:03:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:16,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:03:16,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:16,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112170364] [2023-11-06 22:03:16,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112170364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:16,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:16,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:03:16,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782290612] [2023-11-06 22:03:16,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:16,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:03:16,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:16,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:03:16,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:16,566 INFO L87 Difference]: Start difference. First operand 616 states and 782 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-06 22:03:17,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:17,594 INFO L93 Difference]: Finished difference Result 1893 states and 2500 transitions. [2023-11-06 22:03:17,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-06 22:03:17,595 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 60 [2023-11-06 22:03:17,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:17,607 INFO L225 Difference]: With dead ends: 1893 [2023-11-06 22:03:17,607 INFO L226 Difference]: Without dead ends: 1398 [2023-11-06 22:03:17,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=549, Unknown=0, NotChecked=0, Total=702 [2023-11-06 22:03:17,612 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 494 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:17,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 587 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:03:17,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1398 states. [2023-11-06 22:03:17,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1398 to 1193. [2023-11-06 22:03:17,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1193 states, 890 states have (on average 1.2269662921348314) internal successors, (1092), 947 states have internal predecessors, (1092), 160 states have call successors, (160), 118 states have call predecessors, (160), 142 states have return successors, (260), 162 states have call predecessors, (260), 160 states have call successors, (260) [2023-11-06 22:03:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1512 transitions. [2023-11-06 22:03:17,807 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1512 transitions. Word has length 60 [2023-11-06 22:03:17,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:17,807 INFO L495 AbstractCegarLoop]: Abstraction has 1193 states and 1512 transitions. [2023-11-06 22:03:17,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-06 22:03:17,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1512 transitions. [2023-11-06 22:03:17,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-06 22:03:17,811 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:17,811 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:17,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:03:17,812 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:17,812 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:17,812 INFO L85 PathProgramCache]: Analyzing trace with hash -182301856, now seen corresponding path program 1 times [2023-11-06 22:03:17,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:17,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710877121] [2023-11-06 22:03:17,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:17,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:17,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:03:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:17,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:03:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:17,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:17,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:03:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:17,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:03:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:17,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:03:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:17,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:03:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:17,959 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 22:03:17,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:17,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710877121] [2023-11-06 22:03:17,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710877121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:17,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:17,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:03:17,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468470185] [2023-11-06 22:03:17,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:17,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:03:17,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:17,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:03:17,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:03:17,964 INFO L87 Difference]: Start difference. First operand 1193 states and 1512 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2023-11-06 22:03:18,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:18,508 INFO L93 Difference]: Finished difference Result 1429 states and 1801 transitions. [2023-11-06 22:03:18,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:03:18,509 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 90 [2023-11-06 22:03:18,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:18,515 INFO L225 Difference]: With dead ends: 1429 [2023-11-06 22:03:18,541 INFO L226 Difference]: Without dead ends: 611 [2023-11-06 22:03:18,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:03:18,546 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 314 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:18,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 342 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:03:18,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2023-11-06 22:03:18,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 585. [2023-11-06 22:03:18,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 437 states have (on average 1.194508009153318) internal successors, (522), 463 states have internal predecessors, (522), 77 states have call successors, (77), 58 states have call predecessors, (77), 70 states have return successors, (127), 79 states have call predecessors, (127), 77 states have call successors, (127) [2023-11-06 22:03:18,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 726 transitions. [2023-11-06 22:03:18,670 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 726 transitions. Word has length 90 [2023-11-06 22:03:18,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:18,671 INFO L495 AbstractCegarLoop]: Abstraction has 585 states and 726 transitions. [2023-11-06 22:03:18,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2023-11-06 22:03:18,672 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 726 transitions. [2023-11-06 22:03:18,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-06 22:03:18,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:18,680 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:18,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:03:18,681 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:18,683 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:18,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1799468227, now seen corresponding path program 1 times [2023-11-06 22:03:18,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:18,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449093476] [2023-11-06 22:03:18,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:18,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:18,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:03:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:18,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:03:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:18,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:18,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:03:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:18,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:03:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:18,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-06 22:03:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:18,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-06 22:03:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:19,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:03:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:19,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:03:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:19,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-06 22:03:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:19,008 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 22:03:19,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:19,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449093476] [2023-11-06 22:03:19,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449093476] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:03:19,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398523012] [2023-11-06 22:03:19,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:19,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:03:19,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:03:19,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:03:19,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:03:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:19,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:03:19,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:03:19,438 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:19,438 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:03:19,711 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 22:03:19,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398523012] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:03:19,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:03:19,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2023-11-06 22:03:19,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352998384] [2023-11-06 22:03:19,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:03:19,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 22:03:19,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:19,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 22:03:19,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:03:19,715 INFO L87 Difference]: Start difference. First operand 585 states and 726 transitions. Second operand has 15 states, 15 states have (on average 9.866666666666667) internal successors, (148), 10 states have internal predecessors, (148), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (20), 8 states have call predecessors, (20), 6 states have call successors, (20) [2023-11-06 22:03:21,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:21,272 INFO L93 Difference]: Finished difference Result 1242 states and 1576 transitions. [2023-11-06 22:03:21,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-06 22:03:21,273 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.866666666666667) internal successors, (148), 10 states have internal predecessors, (148), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (20), 8 states have call predecessors, (20), 6 states have call successors, (20) Word has length 109 [2023-11-06 22:03:21,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:21,283 INFO L225 Difference]: With dead ends: 1242 [2023-11-06 22:03:21,283 INFO L226 Difference]: Without dead ends: 718 [2023-11-06 22:03:21,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 244 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=441, Invalid=1451, Unknown=0, NotChecked=0, Total=1892 [2023-11-06 22:03:21,320 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 407 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:21,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 1181 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 1102 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:03:21,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2023-11-06 22:03:21,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 646. [2023-11-06 22:03:21,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 477 states have (on average 1.1740041928721174) internal successors, (560), 511 states have internal predecessors, (560), 87 states have call successors, (87), 72 states have call predecessors, (87), 81 states have return successors, (119), 84 states have call predecessors, (119), 87 states have call successors, (119) [2023-11-06 22:03:21,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 766 transitions. [2023-11-06 22:03:21,435 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 766 transitions. Word has length 109 [2023-11-06 22:03:21,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:21,436 INFO L495 AbstractCegarLoop]: Abstraction has 646 states and 766 transitions. [2023-11-06 22:03:21,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.866666666666667) internal successors, (148), 10 states have internal predecessors, (148), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (20), 8 states have call predecessors, (20), 6 states have call successors, (20) [2023-11-06 22:03:21,437 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 766 transitions. [2023-11-06 22:03:21,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-06 22:03:21,444 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:21,444 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:21,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:03:21,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:03:21,654 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:21,655 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:21,655 INFO L85 PathProgramCache]: Analyzing trace with hash -85018451, now seen corresponding path program 1 times [2023-11-06 22:03:21,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:21,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294058968] [2023-11-06 22:03:21,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:21,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:21,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:03:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:21,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:03:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:21,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:22,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:03:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:22,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:03:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:22,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-06 22:03:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:22,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:22,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:03:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:22,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:03:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:22,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:03:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:22,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-06 22:03:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:22,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:03:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:22,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-06 22:03:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:22,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-06 22:03:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:22,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:03:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-06 22:03:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:22,217 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 87 proven. 28 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-06 22:03:22,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:22,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294058968] [2023-11-06 22:03:22,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294058968] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:03:22,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361440179] [2023-11-06 22:03:22,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:22,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:03:22,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:03:22,221 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:03:22,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:03:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:22,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:03:22,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:03:22,652 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 143 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-06 22:03:22,652 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:03:23,181 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 77 proven. 39 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-06 22:03:23,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361440179] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:03:23,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:03:23,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 11] total 25 [2023-11-06 22:03:23,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987739438] [2023-11-06 22:03:23,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:03:23,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-06 22:03:23,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:23,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-06 22:03:23,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=479, Unknown=0, NotChecked=0, Total=600 [2023-11-06 22:03:23,186 INFO L87 Difference]: Start difference. First operand 646 states and 766 transitions. Second operand has 25 states, 25 states have (on average 8.48) internal successors, (212), 22 states have internal predecessors, (212), 10 states have call successors, (36), 8 states have call predecessors, (36), 9 states have return successors, (32), 9 states have call predecessors, (32), 10 states have call successors, (32) [2023-11-06 22:03:24,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:24,597 INFO L93 Difference]: Finished difference Result 1341 states and 1641 transitions. [2023-11-06 22:03:24,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-06 22:03:24,598 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.48) internal successors, (212), 22 states have internal predecessors, (212), 10 states have call successors, (36), 8 states have call predecessors, (36), 9 states have return successors, (32), 9 states have call predecessors, (32), 10 states have call successors, (32) Word has length 187 [2023-11-06 22:03:24,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:24,599 INFO L225 Difference]: With dead ends: 1341 [2023-11-06 22:03:24,599 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:03:24,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 400 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=481, Invalid=1775, Unknown=0, NotChecked=0, Total=2256 [2023-11-06 22:03:24,606 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 813 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 1135 mSolverCounterSat, 331 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 331 IncrementalHoareTripleChecker+Valid, 1135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:24,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 632 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [331 Valid, 1135 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:03:24,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:03:24,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:03:24,607 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 22:03:24,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:03:24,608 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2023-11-06 22:03:24,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:24,608 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:03:24,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.48) internal successors, (212), 22 states have internal predecessors, (212), 10 states have call successors, (36), 8 states have call predecessors, (36), 9 states have return successors, (32), 9 states have call predecessors, (32), 10 states have call successors, (32) [2023-11-06 22:03:24,609 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:03:24,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:03:24,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:03:24,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:03:24,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:03:24,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:03:33,146 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 871 878) no Hoare annotation was computed. [2023-11-06 22:03:33,148 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 871 878) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (< ~waterLevel~0 2) (= 0 ~systemActive~0)) (or .cse0 (not (= 1 ~systemActive~0))))) [2023-11-06 22:03:33,149 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 871 878) no Hoare annotation was computed. [2023-11-06 22:03:33,149 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 778 784) no Hoare annotation was computed. [2023-11-06 22:03:33,149 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 778 784) the Hoare annotation is: true [2023-11-06 22:03:33,149 INFO L899 garLoopResultBuilder]: For program point L670-1(lines 666 677) no Hoare annotation was computed. [2023-11-06 22:03:33,149 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 666 677) the Hoare annotation is: true [2023-11-06 22:03:33,150 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 666 677) no Hoare annotation was computed. [2023-11-06 22:03:33,154 INFO L895 garLoopResultBuilder]: At program point L1018(line 1018) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse14 (<= ~waterLevel~0 1)) (.cse16 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse12 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| ~waterLevel~0)) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse15 (= 1 ~systemActive~0))) (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 ~systemActive~0))) (.cse7 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (not .cse15)) (.cse8 (and .cse10 .cse11 .cse14 .cse15 .cse16 .cse12 .cse13)) (.cse9 (and .cse1 .cse11 .cse14 .cse15 .cse16 .cse12 .cse13)) (.cse6 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 (and .cse1 .cse2) .cse3) (or .cse4 .cse5 .cse6 (= ~waterLevel~0 1)) (or (< 1 |old(~waterLevel~0)|) .cse7 .cse4 .cse8 .cse9 .cse6 (and .cse10 .cse11 .cse12 .cse2 .cse13) (and .cse1 .cse11 .cse12 .cse2 .cse13)) (or .cse0 .cse4 (and .cse1 .cse11 .cse14 .cse12 .cse2) (< 2 |old(~waterLevel~0)|)) (or .cse4 .cse8 .cse9 .cse5 .cse6) (or .cse0 .cse5 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse7 .cse4 .cse8 .cse9 .cse6)))) [2023-11-06 22:03:33,154 INFO L895 garLoopResultBuilder]: At program point L857(line 857) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 .cse2) (or .cse3 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse2) (or .cse3 (not (= 0 ~systemActive~0))))) [2023-11-06 22:03:33,154 INFO L899 garLoopResultBuilder]: For program point L1018-1(line 1018) no Hoare annotation was computed. [2023-11-06 22:03:33,156 INFO L895 garLoopResultBuilder]: At program point L857-1(lines 838 862) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= ~pumpRunning~0 0)) (.cse15 (<= ~waterLevel~0 1)) (.cse14 (= 1 ~systemActive~0)) (.cse16 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse4 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse6 (and .cse8 .cse15 .cse14 .cse16 .cse3)) (.cse9 (and .cse1 .cse15 .cse14 .cse16 .cse3)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not .cse14)) (.cse12 (not (= |old(~waterLevel~0)| 2))) (.cse7 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5 .cse6 .cse7 (and .cse8 .cse2 .cse3) .cse9) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse5 .cse6 .cse7 .cse9) (let ((.cse11 (= 2 ~waterLevel~0))) (or .cse10 .cse5 (and (<= 1 ~pumpRunning~0) .cse11) (and .cse8 .cse11) .cse12)) (or .cse0 .cse10 (and .cse8 .cse2) .cse5) (or .cse10 (not (= 0 ~systemActive~0))) (let ((.cse13 (= ~waterLevel~0 1))) (or .cse5 (and .cse1 .cse13 .cse3) .cse12 .cse7 (and .cse8 .cse13 .cse3)))))) [2023-11-06 22:03:33,157 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 764) no Hoare annotation was computed. [2023-11-06 22:03:33,158 INFO L899 garLoopResultBuilder]: For program point L758-2(lines 754 776) no Hoare annotation was computed. [2023-11-06 22:03:33,158 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 751 777) no Hoare annotation was computed. [2023-11-06 22:03:33,159 INFO L895 garLoopResultBuilder]: At program point getWaterLevel_returnLabel#1(lines 710 718) the Hoare annotation is: (let ((.cse15 (<= 1 ~pumpRunning~0)) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse17 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse11 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse18 (<= ~waterLevel~0 1)) (.cse19 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse12 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse8 (not (= 0 ~systemActive~0))) (.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse2 (and .cse6 .cse11 .cse18 .cse19 .cse12)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (and .cse15 .cse13 .cse11 .cse18 .cse17 .cse19 .cse12)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse1 (not .cse17)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse3 (< |old(~pumpRunning~0)| 1))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (and .cse6 .cse7) .cse8) (or .cse5 .cse9 .cse10 .cse8) (or (< 1 |old(~waterLevel~0)|) .cse5 .cse1 (and .cse6 .cse11 .cse7)) (or .cse0 .cse1 .cse2 (and .cse6 .cse11 .cse7 .cse12) (and .cse13 .cse11 .cse7 .cse12) .cse3 (< 2 |old(~waterLevel~0)|) .cse4) (let ((.cse14 (= 2 ~waterLevel~0))) (or .cse5 .cse1 (and .cse6 .cse14 .cse9) .cse10 (and .cse15 .cse14 .cse9))) (let ((.cse16 (= ~waterLevel~0 1))) (or .cse1 .cse10 .cse3 (and .cse13 .cse16 .cse12 (= |timeShift_getWaterLevel_#res#1| 1)) (and .cse6 .cse11 .cse16 .cse12)))))) [2023-11-06 22:03:33,160 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2023-11-06 22:03:33,160 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 854) no Hoare annotation was computed. [2023-11-06 22:03:33,160 INFO L895 garLoopResultBuilder]: At program point L1003(line 1003) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse5 (and (= ~pumpRunning~0 0) .cse3 .cse4)) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or (< 1 |old(~waterLevel~0)|) (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (and .cse2 .cse3 .cse4)) (or .cse5 .cse6 .cse0 (< 2 |old(~waterLevel~0)|)) (or .cse0 (and .cse2 (= 2 ~waterLevel~0) .cse3) (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse5 .cse6 (not (= 0 ~systemActive~0)))))) [2023-11-06 22:03:33,161 INFO L899 garLoopResultBuilder]: For program point L1003-1(line 1003) no Hoare annotation was computed. [2023-11-06 22:03:33,161 INFO L899 garLoopResultBuilder]: For program point L842(lines 842 859) no Hoare annotation was computed. [2023-11-06 22:03:33,161 INFO L899 garLoopResultBuilder]: For program point L1020(lines 1020 1030) no Hoare annotation was computed. [2023-11-06 22:03:33,161 INFO L899 garLoopResultBuilder]: For program point L1016(lines 1016 1033) no Hoare annotation was computed. [2023-11-06 22:03:33,162 INFO L895 garLoopResultBuilder]: At program point L1016-1(lines 1008 1036) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse21 (<= ~waterLevel~0 1)) (.cse20 (= 1 ~systemActive~0)) (.cse22 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse6 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| ~waterLevel~0)) (.cse14 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse9 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse10 (and .cse13 .cse4 .cse21 .cse20 .cse22 .cse6 .cse14)) (.cse11 (and .cse3 .cse4 .cse21 .cse20 .cse22 .cse6 .cse14)) (.cse1 (not .cse5)) (.cse15 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| 2)) (.cse16 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse2 (not .cse20)) (.cse17 (not (= |old(~waterLevel~0)| 2))) (.cse12 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7)) (or .cse1 (and .cse3 .cse5 .cse7) .cse8) (or .cse0 .cse9 .cse2 .cse10 .cse11 .cse12 (and .cse13 .cse4 .cse6 .cse7 .cse14) (and .cse3 .cse4 .cse6 .cse7 .cse14)) (or .cse1 (and .cse15 .cse16) .cse17 .cse8) (or (not (= |old(~waterLevel~0)| 1)) .cse9 .cse2 .cse10 .cse11 .cse12) (let ((.cse18 (= 2 ~waterLevel~0))) (or .cse1 .cse2 .cse17 (and (<= 1 ~pumpRunning~0) .cse15 .cse18 .cse16) (and .cse3 .cse15 .cse18 .cse16 .cse5))) (let ((.cse19 (= ~waterLevel~0 1))) (or .cse2 (and .cse13 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| 1) .cse19 .cse14 (= |timeShift_getWaterLevel_#res#1| 1)) (and .cse3 .cse4 .cse6 .cse19 .cse14) .cse17 .cse12))))) [2023-11-06 22:03:33,162 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 557 564) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= |old(~waterLevel~0)| 2)) .cse3) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse3 .cse2) (or .cse0 (not (= 0 ~systemActive~0))))) [2023-11-06 22:03:33,163 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 751 777) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse5 (and (= ~pumpRunning~0 0) .cse3 .cse4)) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or (< 1 |old(~waterLevel~0)|) (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (and .cse2 .cse3 .cse4)) (or .cse5 .cse6 .cse0 (< 2 |old(~waterLevel~0)|)) (or .cse0 (and .cse2 (= 2 ~waterLevel~0) .cse3) (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse5 .cse6 (not (= 0 ~systemActive~0)))))) [2023-11-06 22:03:33,168 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1027) no Hoare annotation was computed. [2023-11-06 22:03:33,168 INFO L899 garLoopResultBuilder]: For program point L765-1(lines 765 771) no Hoare annotation was computed. [2023-11-06 22:03:33,169 INFO L895 garLoopResultBuilder]: At program point L852(line 852) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (= 1 ~systemActive~0))) (let ((.cse4 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse0 (not .cse7)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse5 (and .cse1 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and .cse1 (= ~waterLevel~0 1) .cse2) (not (= |old(~waterLevel~0)| 2)) .cse3) (or (< 1 |old(~waterLevel~0)|) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse4 .cse0 .cse3 .cse5) (or .cse6 .cse0 (< 2 |old(~waterLevel~0)|)) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse0 .cse3 .cse5) (or .cse6 (not (= 0 ~systemActive~0)))))) [2023-11-06 22:03:33,170 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__2_returnLabel#1(lines 998 1007) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse6)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 (and .cse3 (= 2 ~waterLevel~0) .cse4) (not (= |old(~waterLevel~0)| 2)) .cse5) (or (< 1 |old(~waterLevel~0)|) (and .cse3 .cse6 .cse4) (< |old(~switchedOnBeforeTS~0)| 1) .cse2 .cse5) (or .cse0 .cse1 .cse2 (< 2 |old(~waterLevel~0)|))))) [2023-11-06 22:03:33,171 INFO L895 garLoopResultBuilder]: At program point L848(line 848) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (= 1 ~systemActive~0))) (let ((.cse4 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse0 (not .cse7)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse5 (and .cse1 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and .cse1 (= ~waterLevel~0 1) .cse2) (not (= |old(~waterLevel~0)| 2)) .cse3) (or (< 1 |old(~waterLevel~0)|) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse4 .cse0 .cse3 .cse5) (or .cse6 .cse0 (< 2 |old(~waterLevel~0)|)) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse0 .cse3 .cse5) (or .cse6 (not (= 0 ~systemActive~0)))))) [2023-11-06 22:03:33,172 INFO L895 garLoopResultBuilder]: At program point isMethaneLevelCritical_returnLabel#1(lines 678 686) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (= 1 ~systemActive~0))) (let ((.cse4 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse0 (not .cse7)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse5 (and .cse1 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and .cse1 (= ~waterLevel~0 1) .cse2) (not (= |old(~waterLevel~0)| 2)) .cse3) (or (< 1 |old(~waterLevel~0)|) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse4 .cse0 .cse3 .cse5) (or .cse6 .cse0 (< 2 |old(~waterLevel~0)|)) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse0 .cse3 .cse5) (or .cse6 (not (= 0 ~systemActive~0)))))) [2023-11-06 22:03:33,173 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 751 777) no Hoare annotation was computed. [2023-11-06 22:03:33,174 INFO L895 garLoopResultBuilder]: At program point isMethaneAlarm_returnLabel#1(lines 879 889) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (= 1 ~systemActive~0))) (let ((.cse4 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse0 (not .cse7)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse5 (and .cse1 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and .cse1 (= ~waterLevel~0 1) .cse2) (not (= |old(~waterLevel~0)| 2)) .cse3) (or (< 1 |old(~waterLevel~0)|) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse4 .cse0 .cse3 .cse5) (or .cse6 .cse0 (< 2 |old(~waterLevel~0)|)) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse0 .cse3 .cse5) (or .cse6 (not (= 0 ~systemActive~0)))))) [2023-11-06 22:03:33,174 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 561) no Hoare annotation was computed. [2023-11-06 22:03:33,175 INFO L899 garLoopResultBuilder]: For program point L646(lines 646 650) no Hoare annotation was computed. [2023-11-06 22:03:33,175 INFO L895 garLoopResultBuilder]: At program point L646-2(lines 642 653) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (= 1 ~systemActive~0))) (let ((.cse4 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse0 (not .cse7)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse5 (and .cse1 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and .cse1 (= ~waterLevel~0 1) .cse2) (not (= |old(~waterLevel~0)| 2)) .cse3) (or (< 1 |old(~waterLevel~0)|) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse4 .cse0 .cse3 .cse5) (or .cse6 .cse0 (< 2 |old(~waterLevel~0)|)) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse0 .cse3 .cse5) (or .cse6 (not (= 0 ~systemActive~0)))))) [2023-11-06 22:03:33,175 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2023-11-06 22:03:33,176 INFO L902 garLoopResultBuilder]: At program point L443(lines 418 447) the Hoare annotation is: true [2023-11-06 22:03:33,176 INFO L899 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2023-11-06 22:03:33,176 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2023-11-06 22:03:33,176 INFO L902 garLoopResultBuilder]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2023-11-06 22:03:33,176 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2023-11-06 22:03:33,177 INFO L902 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2023-11-06 22:03:33,177 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 418 447) the Hoare annotation is: true [2023-11-06 22:03:33,177 INFO L902 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2023-11-06 22:03:33,177 INFO L899 garLoopResultBuilder]: For program point L424-1(line 424) no Hoare annotation was computed. [2023-11-06 22:03:33,178 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 603) no Hoare annotation was computed. [2023-11-06 22:03:33,178 INFO L899 garLoopResultBuilder]: For program point L597-1(lines 597 603) no Hoare annotation was computed. [2023-11-06 22:03:33,178 INFO L899 garLoopResultBuilder]: For program point L977(lines 977 983) no Hoare annotation was computed. [2023-11-06 22:03:33,178 INFO L899 garLoopResultBuilder]: For program point L977-1(lines 977 983) no Hoare annotation was computed. [2023-11-06 22:03:33,178 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 484 494) the Hoare annotation is: true [2023-11-06 22:03:33,179 INFO L895 garLoopResultBuilder]: At program point L622(lines 577 624) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2023-11-06 22:03:33,179 INFO L895 garLoopResultBuilder]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2023-11-06 22:03:33,179 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 533 539) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:03:33,180 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 498 520) the Hoare annotation is: true [2023-11-06 22:03:33,180 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:03:33,180 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:03:33,180 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 475 481) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:03:33,181 INFO L899 garLoopResultBuilder]: For program point L578(lines 577 624) no Hoare annotation was computed. [2023-11-06 22:03:33,181 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:03:33,181 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 620) no Hoare annotation was computed. [2023-11-06 22:03:33,181 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2023-11-06 22:03:33,182 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 515) no Hoare annotation was computed. [2023-11-06 22:03:33,184 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__1_returnLabel#1(lines 990 997) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:03:33,184 INFO L895 garLoopResultBuilder]: At program point L599(line 599) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (<= ~waterLevel~0 2) (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 (<= ~waterLevel~0 1) .cse2 .cse3))) [2023-11-06 22:03:33,184 INFO L902 garLoopResultBuilder]: At program point L628(lines 567 632) the Hoare annotation is: true [2023-11-06 22:03:33,185 INFO L895 garLoopResultBuilder]: At program point L979(line 979) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2023-11-06 22:03:33,185 INFO L899 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2023-11-06 22:03:33,186 INFO L899 garLoopResultBuilder]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2023-11-06 22:03:33,186 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:03:33,186 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 540 546) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:03:33,186 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 583) no Hoare annotation was computed. [2023-11-06 22:03:33,186 INFO L895 garLoopResultBuilder]: At program point stopSystem_returnLabel#1(lines 973 987) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 0 ~systemActive~0)) [2023-11-06 22:03:33,187 INFO L895 garLoopResultBuilder]: At program point L625(lines 576 626) the Hoare annotation is: false [2023-11-06 22:03:33,187 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 547 555) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:03:33,187 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 619) no Hoare annotation was computed. [2023-11-06 22:03:33,188 INFO L895 garLoopResultBuilder]: At program point L613-2(lines 607 620) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (<= ~waterLevel~0 2) (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 (<= ~waterLevel~0 1) .cse2 .cse3))) [2023-11-06 22:03:33,188 INFO L895 garLoopResultBuilder]: At program point activatePump_returnLabel#1(lines 863 870) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0))) (or .cse0 (< 1 ~waterLevel~0) (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-06 22:03:33,188 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 729) no Hoare annotation was computed. [2023-11-06 22:03:33,188 INFO L899 garLoopResultBuilder]: For program point L944(lines 944 948) no Hoare annotation was computed. [2023-11-06 22:03:33,189 INFO L899 garLoopResultBuilder]: For program point L944-2(lines 944 948) no Hoare annotation was computed. [2023-11-06 22:03:33,189 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 786 810) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-06 22:03:33,190 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 719 732) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse3)) (or .cse0 .cse3 .cse1 (not (= 2 ~waterLevel~0))) (or .cse1 .cse2 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-06 22:03:33,190 INFO L895 garLoopResultBuilder]: At program point L800(line 800) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0) .cse4)) (.cse1 (not .cse4)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse3 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1))))) [2023-11-06 22:03:33,192 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 935 953) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0))) (or .cse0 .cse3 .cse1 (not (= 2 ~waterLevel~0))) (or .cse1 .cse2 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-06 22:03:33,192 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 786 810) no Hoare annotation was computed. [2023-11-06 22:03:33,192 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 802) no Hoare annotation was computed. [2023-11-06 22:03:33,193 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 807) no Hoare annotation was computed. [2023-11-06 22:03:33,193 INFO L895 garLoopResultBuilder]: At program point L805(line 805) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< 1 ~waterLevel~0) (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-06 22:03:33,193 INFO L899 garLoopResultBuilder]: For program point L805-1(lines 786 810) no Hoare annotation was computed. [2023-11-06 22:03:33,194 INFO L899 garLoopResultBuilder]: For program point L658-1(lines 654 665) no Hoare annotation was computed. [2023-11-06 22:03:33,194 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 654 665) no Hoare annotation was computed. [2023-11-06 22:03:33,194 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 654 665) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (< ~pumpRunning~0 1)) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse4 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse4 .cse5 (not (= 0 ~systemActive~0))) (or .cse6 .cse0 .cse2 (< ~switchedOnBeforeTS~0 1) .cse5) (or .cse6 .cse4 .cse2 .cse5))) [2023-11-06 22:03:33,195 INFO L895 garLoopResultBuilder]: At program point L826(line 826) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< 1 ~waterLevel~0) (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-06 22:03:33,195 INFO L895 garLoopResultBuilder]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< 1 ~waterLevel~0) (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-06 22:03:33,195 INFO L899 garLoopResultBuilder]: For program point L820(lines 820 828) no Hoare annotation was computed. [2023-11-06 22:03:33,196 INFO L899 garLoopResultBuilder]: For program point L816(lines 816 833) no Hoare annotation was computed. [2023-11-06 22:03:33,196 INFO L895 garLoopResultBuilder]: At program point isLowWaterSensorDry_returnLabel#1(lines 733 741) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< 1 ~waterLevel~0) (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-06 22:03:33,196 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 812 836) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-06 22:03:33,196 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 967) no Hoare annotation was computed. [2023-11-06 22:03:33,197 INFO L899 garLoopResultBuilder]: For program point L963-2(lines 963 967) no Hoare annotation was computed. [2023-11-06 22:03:33,197 INFO L895 garLoopResultBuilder]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or .cse2 .cse3 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-06 22:03:33,197 INFO L895 garLoopResultBuilder]: At program point isLowWaterLevel_returnLabel#1(lines 954 972) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< 1 ~waterLevel~0) (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-06 22:03:33,198 INFO L899 garLoopResultBuilder]: For program point L831-1(lines 812 836) no Hoare annotation was computed. [2023-11-06 22:03:33,198 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 812 836) no Hoare annotation was computed. [2023-11-06 22:03:33,198 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 890 898) no Hoare annotation was computed. [2023-11-06 22:03:33,198 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 890 898) no Hoare annotation was computed. [2023-11-06 22:03:33,198 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 890 898) the Hoare annotation is: true [2023-11-06 22:03:33,201 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:33,205 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:03:33,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:03:33 BoogieIcfgContainer [2023-11-06 22:03:33,305 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:03:33,306 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:03:33,306 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:03:33,306 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:03:33,307 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:12" (3/4) ... [2023-11-06 22:03:33,309 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:03:33,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-06 22:03:33,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-06 22:03:33,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-06 22:03:33,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-06 22:03:33,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-06 22:03:33,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:03:33,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-06 22:03:33,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2023-11-06 22:03:33,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-06 22:03:33,327 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-06 22:03:33,328 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 22:03:33,329 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:03:33,330 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:03:33,331 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:03:33,364 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive))) && (((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (2 == waterLevel)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && (((((1 < \old(waterLevel)) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (2 < \old(waterLevel)))) [2023-11-06 22:03:33,364 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && ((((((1 < \old(waterLevel)) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && ((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:03:33,365 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (\old(pumpRunning) == 0)) && (tmp == waterLevel)) && (\old(waterLevel) == waterLevel))) && ((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && ((((((((1 < \old(waterLevel)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (((((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (tmp == waterLevel)) && (1 <= switchedOnBeforeTS))) || (((((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (tmp == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (tmp == waterLevel)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (tmp == waterLevel)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS)))) && (((!((\old(pumpRunning) == 0)) || ((tmp == 2) && (2 == \result))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && (((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (((((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (tmp == waterLevel)) && (1 <= switchedOnBeforeTS))) || (((((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (tmp == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 2))) || ((((1 <= pumpRunning) && (tmp == 2)) && (2 == waterLevel)) && (2 == \result))) || (((((pumpRunning == 0) && (tmp == 2)) && (2 == waterLevel)) && (2 == \result)) && (\old(pumpRunning) == 0)))) && ((((!((1 == systemActive)) || (((((pumpRunning == \old(pumpRunning)) && (tmp == 1)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)) && (\result == 1))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (tmp == waterLevel)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) [2023-11-06 22:03:33,365 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((1 < \old(waterLevel)) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (((pumpRunning == 0) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) && (((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((1 <= pumpRunning) && (2 == waterLevel))) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && ((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) && ((((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((pumpRunning == 0) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) [2023-11-06 22:03:33,366 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:03:33,367 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel <= 1)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (((((((1 <= pumpRunning) && (pumpRunning == \old(pumpRunning))) && (waterLevel == \result)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) && ((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || (2 == \result)) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && ((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (waterLevel == \result)) && (\old(waterLevel) == waterLevel)))) && ((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel <= 1)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (waterLevel == \result)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel))) || (((((((1 <= pumpRunning) && (pumpRunning == \old(pumpRunning))) && (waterLevel == \result)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result))) || !((\old(waterLevel) == 2))) || (((1 <= pumpRunning) && (2 == waterLevel)) && (2 == \result)))) && ((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || ((((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)) && (\result == 1))) || ((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) [2023-11-06 22:03:33,367 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && ((((((1 < \old(waterLevel)) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && ((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:03:33,368 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) && (((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || (\old(pumpRunning) < 1))) [2023-11-06 22:03:33,368 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && ((((((1 < \old(waterLevel)) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && ((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:03:33,368 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel)) || ((1 <= \result) && (pumpRunning == 0))) && (((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((2 == waterLevel)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || (\old(pumpRunning) < 1))) [2023-11-06 22:03:33,369 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) && (((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || (\old(pumpRunning) < 1))) [2023-11-06 22:03:33,369 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel)) || (((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0))) && (((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((2 == waterLevel)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || (\old(pumpRunning) < 1))) [2023-11-06 22:03:33,370 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((1 <= pumpRunning) && (2 == waterLevel))) && (((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || (\old(pumpRunning) < 1))) [2023-11-06 22:03:33,412 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive))) && (((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (2 == waterLevel)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && (((((1 < \old(waterLevel)) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (2 < \old(waterLevel)))) [2023-11-06 22:03:33,413 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && ((((((1 < \old(waterLevel)) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && ((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:03:33,413 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (\old(pumpRunning) == 0)) && (tmp == waterLevel)) && (\old(waterLevel) == waterLevel))) && ((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && ((((((((1 < \old(waterLevel)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (((((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (tmp == waterLevel)) && (1 <= switchedOnBeforeTS))) || (((((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (tmp == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (tmp == waterLevel)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (tmp == waterLevel)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS)))) && (((!((\old(pumpRunning) == 0)) || ((tmp == 2) && (2 == \result))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && (((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (((((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (tmp == waterLevel)) && (1 <= switchedOnBeforeTS))) || (((((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (tmp == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 2))) || ((((1 <= pumpRunning) && (tmp == 2)) && (2 == waterLevel)) && (2 == \result))) || (((((pumpRunning == 0) && (tmp == 2)) && (2 == waterLevel)) && (2 == \result)) && (\old(pumpRunning) == 0)))) && ((((!((1 == systemActive)) || (((((pumpRunning == \old(pumpRunning)) && (tmp == 1)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)) && (\result == 1))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (tmp == waterLevel)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) [2023-11-06 22:03:33,413 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((1 < \old(waterLevel)) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (((pumpRunning == 0) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) && (((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((1 <= pumpRunning) && (2 == waterLevel))) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && ((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) && ((((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((pumpRunning == 0) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) [2023-11-06 22:03:33,414 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:03:33,414 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel <= 1)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (((((((1 <= pumpRunning) && (pumpRunning == \old(pumpRunning))) && (waterLevel == \result)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) && ((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || (2 == \result)) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && ((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (waterLevel == \result)) && (\old(waterLevel) == waterLevel)))) && ((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel <= 1)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (waterLevel == \result)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel))) || (((((((1 <= pumpRunning) && (pumpRunning == \old(pumpRunning))) && (waterLevel == \result)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result))) || !((\old(waterLevel) == 2))) || (((1 <= pumpRunning) && (2 == waterLevel)) && (2 == \result)))) && ((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || ((((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)) && (\result == 1))) || ((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) [2023-11-06 22:03:33,414 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && ((((((1 < \old(waterLevel)) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && ((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:03:33,415 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) && (((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || (\old(pumpRunning) < 1))) [2023-11-06 22:03:33,415 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && ((((((1 < \old(waterLevel)) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && ((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:03:33,415 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel)) || ((1 <= \result) && (pumpRunning == 0))) && (((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((2 == waterLevel)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || (\old(pumpRunning) < 1))) [2023-11-06 22:03:33,416 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) && (((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || (\old(pumpRunning) < 1))) [2023-11-06 22:03:33,416 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel)) || (((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0))) && (((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((2 == waterLevel)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || (\old(pumpRunning) < 1))) [2023-11-06 22:03:33,416 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((1 <= pumpRunning) && (2 == waterLevel))) && (((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || (\old(pumpRunning) < 1))) [2023-11-06 22:03:33,442 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:03:33,443 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:03:33,444 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:03:33,445 INFO L158 Benchmark]: Toolchain (without parser) took 22513.16ms. Allocated memory was 148.9MB in the beginning and 314.6MB in the end (delta: 165.7MB). Free memory was 109.9MB in the beginning and 223.0MB in the end (delta: -113.1MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2023-11-06 22:03:33,445 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 148.9MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:03:33,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.05ms. Allocated memory is still 148.9MB. Free memory was 109.5MB in the beginning and 89.9MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:03:33,446 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.87ms. Allocated memory is still 148.9MB. Free memory was 89.9MB in the beginning and 87.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:03:33,447 INFO L158 Benchmark]: Boogie Preprocessor took 37.14ms. Allocated memory is still 148.9MB. Free memory was 87.4MB in the beginning and 85.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:03:33,447 INFO L158 Benchmark]: RCFGBuilder took 669.96ms. Allocated memory is still 148.9MB. Free memory was 85.7MB in the beginning and 67.6MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:03:33,448 INFO L158 Benchmark]: TraceAbstraction took 21070.76ms. Allocated memory was 148.9MB in the beginning and 314.6MB in the end (delta: 165.7MB). Free memory was 66.8MB in the beginning and 232.5MB in the end (delta: -165.6MB). Peak memory consumption was 108.5MB. Max. memory is 16.1GB. [2023-11-06 22:03:33,448 INFO L158 Benchmark]: Witness Printer took 138.02ms. Allocated memory is still 314.6MB. Free memory was 232.5MB in the beginning and 223.0MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:03:33,451 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 148.9MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 510.05ms. Allocated memory is still 148.9MB. Free memory was 109.5MB in the beginning and 89.9MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.87ms. Allocated memory is still 148.9MB. Free memory was 89.9MB in the beginning and 87.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.14ms. Allocated memory is still 148.9MB. Free memory was 87.4MB in the beginning and 85.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 669.96ms. Allocated memory is still 148.9MB. Free memory was 85.7MB in the beginning and 67.6MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 21070.76ms. Allocated memory was 148.9MB in the beginning and 314.6MB in the end (delta: 165.7MB). Free memory was 66.8MB in the beginning and 232.5MB in the end (delta: -165.6MB). Peak memory consumption was 108.5MB. Max. memory is 16.1GB. * Witness Printer took 138.02ms. Allocated memory is still 314.6MB. Free memory was 232.5MB in the beginning and 223.0MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415] - GenericResultAtLocation [Line: 521]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [521] - GenericResultAtLocation [Line: 556]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [556] - GenericResultAtLocation [Line: 565]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [565] - GenericResultAtLocation [Line: 633]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [633] - GenericResultAtLocation [Line: 742]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [742] - GenericResultAtLocation [Line: 988]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [988] * 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: 561]: 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 10 procedures, 109 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.9s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3064 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3009 mSDsluCounter, 5509 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4022 mSDsCounter, 991 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3851 IncrementalHoareTripleChecker+Invalid, 4842 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 991 mSolverCounterUnsat, 1487 mSDtfsCounter, 3851 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 914 GetRequests, 745 SyntacticMatches, 9 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1193occurred in iteration=9, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 12 MinimizatonAttempts, 382 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 2789 PreInvPairs, 3092 NumberOfFragments, 2972 HoareAnnotationTreeSize, 2789 FomulaSimplifications, 10011 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 51 FomulaSimplificationsInter, 18323 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1118 NumberOfCodeBlocks, 1118 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1398 ConstructedInterpolants, 0 QuantifiedInterpolants, 2814 SizeOfPredicates, 6 NumberOfNonLiveVariables, 933 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 644/756 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: 475]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) && (((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || (\old(pumpRunning) < 1))) - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((1 <= pumpRunning) && (2 == waterLevel))) && (((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || (\old(pumpRunning) < 1))) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: (((((((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && ((((((1 < \old(waterLevel)) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && ((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: (((((((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && ((((((1 < \old(waterLevel)) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && ((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: (((((((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && ((((((1 < \old(waterLevel)) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && ((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel)) || ((1 <= \result) && (pumpRunning == 0))) && (((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((2 == waterLevel)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || (\old(pumpRunning) < 1))) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel)) || (((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0))) && (((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((2 == waterLevel)))) && (((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || (\old(pumpRunning) < 1))) - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (splverifierCounter == 0)) && (0 == systemActive)) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) && (((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || (\old(pumpRunning) < 1))) - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 1008]: Loop Invariant Derived loop invariant: ((((((((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (\old(pumpRunning) == 0)) && (tmp == waterLevel)) && (\old(waterLevel) == waterLevel))) && ((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && ((((((((1 < \old(waterLevel)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (((((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (tmp == waterLevel)) && (1 <= switchedOnBeforeTS))) || (((((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (tmp == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (tmp == waterLevel)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (tmp == waterLevel)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS)))) && (((!((\old(pumpRunning) == 0)) || ((tmp == 2) && (2 == \result))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && (((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (((((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (tmp == waterLevel)) && (1 <= switchedOnBeforeTS))) || (((((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (tmp == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 2))) || ((((1 <= pumpRunning) && (tmp == 2)) && (2 == waterLevel)) && (2 == \result))) || (((((pumpRunning == 0) && (tmp == 2)) && (2 == waterLevel)) && (2 == \result)) && (\old(pumpRunning) == 0)))) && ((((!((1 == systemActive)) || (((((pumpRunning == \old(pumpRunning)) && (tmp == 1)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)) && (\result == 1))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (tmp == waterLevel)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((((((((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel <= 1)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (((((((1 <= pumpRunning) && (pumpRunning == \old(pumpRunning))) && (waterLevel == \result)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) && ((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || (2 == \result)) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && ((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (waterLevel == \result)) && (\old(waterLevel) == waterLevel)))) && ((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel <= 1)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (waterLevel == \result)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel))) || (((((((1 <= pumpRunning) && (pumpRunning == \old(pumpRunning))) && (waterLevel == \result)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result))) || !((\old(waterLevel) == 2))) || (((1 <= pumpRunning) && (2 == waterLevel)) && (2 == \result)))) && ((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || ((((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)) && (\result == 1))) || ((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 998]: Loop Invariant Derived loop invariant: (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive))) && (((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (2 == waterLevel)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && (((((1 < \old(waterLevel)) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (2 < \old(waterLevel)))) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: (((((((((((((1 < \old(waterLevel)) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (((pumpRunning == 0) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) && (((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (((((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) && (1 == systemActive)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((1 <= pumpRunning) && (2 == waterLevel))) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && ((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) && ((((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((pumpRunning == 0) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((pumpRunning == 0) && (splverifierCounter == 0)) && (0 == systemActive))) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0))) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:03:33,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8e2551-31f1-412c-af9f-04fc9cb93397/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