./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/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_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/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_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/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 5ed8e4dea18b15d78522f05bcbacefb8bf743c0552ef5a7415602905a04fdc4c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:53:28,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:53:28,881 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:53:28,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:53:28,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:53:28,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:53:28,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:53:28,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:53:28,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:53:28,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:53:28,918 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:53:28,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:53:28,919 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:53:28,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:53:28,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:53:28,921 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:53:28,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:53:28,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:53:28,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:53:28,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:53:28,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:53:28,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:53:28,929 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:53:28,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:53:28,935 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:53:28,936 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:53:28,936 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:53:28,936 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:53:28,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:28,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:53:28,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:53:28,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:53:28,939 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:53:28,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:53:28,940 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:53:28,940 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:53:28,940 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:53:28,940 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:53:28,941 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:53:28,941 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_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ed8e4dea18b15d78522f05bcbacefb8bf743c0552ef5a7415602905a04fdc4c [2023-11-06 22:53:29,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:53:29,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:53:29,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:53:29,297 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:53:29,298 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:53:29,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2023-11-06 22:53:32,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:53:32,797 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:53:32,798 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2023-11-06 22:53:32,818 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/data/8bd18da96/65a930abc31d494daeffb754f800ae68/FLAGe7afe0e47 [2023-11-06 22:53:32,833 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/data/8bd18da96/65a930abc31d494daeffb754f800ae68 [2023-11-06 22:53:32,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:53:32,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:53:32,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:32,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:53:32,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:53:32,845 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:32" (1/1) ... [2023-11-06 22:53:32,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6081c1a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:32, skipping insertion in model container [2023-11-06 22:53:32,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:32" (1/1) ... [2023-11-06 22:53:32,903 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:53:33,059 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_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c[1605,1618] [2023-11-06 22:53:33,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:33,266 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:53:33,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-06 22:53:33,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [58] [2023-11-06 22:53:33,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [169] [2023-11-06 22:53:33,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [271] [2023-11-06 22:53:33,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [499] [2023-11-06 22:53:33,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [525] [2023-11-06 22:53:33,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [592] [2023-11-06 22:53:33,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [627] [2023-11-06 22:53:33,283 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_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c[1605,1618] [2023-11-06 22:53:33,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:33,349 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:53:33,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:33 WrapperNode [2023-11-06 22:53:33,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:33,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:33,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:53:33,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:53:33,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:33" (1/1) ... [2023-11-06 22:53:33,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:33" (1/1) ... [2023-11-06 22:53:33,433 INFO L138 Inliner]: procedures = 57, calls = 101, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 218 [2023-11-06 22:53:33,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:33,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:53:33,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:53:33,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:53:33,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:33" (1/1) ... [2023-11-06 22:53:33,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:33" (1/1) ... [2023-11-06 22:53:33,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:33" (1/1) ... [2023-11-06 22:53:33,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:33" (1/1) ... [2023-11-06 22:53:33,478 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:33" (1/1) ... [2023-11-06 22:53:33,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:33" (1/1) ... [2023-11-06 22:53:33,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:33" (1/1) ... [2023-11-06 22:53:33,500 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:33" (1/1) ... [2023-11-06 22:53:33,502 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:53:33,503 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:53:33,503 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:53:33,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:53:33,504 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:33" (1/1) ... [2023-11-06 22:53:33,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:33,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:33,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:53:33,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:53:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:53:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-06 22:53:33,596 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-06 22:53:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-06 22:53:33,596 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-06 22:53:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-06 22:53:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-06 22:53:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-06 22:53:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-06 22:53:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:53:33,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:53:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-06 22:53:33,598 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-06 22:53:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:53:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-06 22:53:33,599 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-06 22:53:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:53:33,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:53:33,704 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:53:33,707 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:53:34,043 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:53:34,052 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:53:34,052 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:53:34,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:34 BoogieIcfgContainer [2023-11-06 22:53:34,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:53:34,056 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:53:34,056 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:53:34,059 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:53:34,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:53:32" (1/3) ... [2023-11-06 22:53:34,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6bd26c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:34, skipping insertion in model container [2023-11-06 22:53:34,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:33" (2/3) ... [2023-11-06 22:53:34,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6bd26c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:34, skipping insertion in model container [2023-11-06 22:53:34,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:34" (3/3) ... [2023-11-06 22:53:34,062 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58.cil.c [2023-11-06 22:53:34,082 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:53:34,082 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:53:34,154 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:53:34,160 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;@2e1fc645, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:53:34,160 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:53:34,164 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:53:34,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-06 22:53:34,175 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:34,176 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:34,176 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:34,180 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:34,181 INFO L85 PathProgramCache]: Analyzing trace with hash 528843452, now seen corresponding path program 1 times [2023-11-06 22:53:34,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:34,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20793604] [2023-11-06 22:53:34,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:34,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:34,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:53:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:34,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:34,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:34,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20793604] [2023-11-06 22:53:34,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20793604] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:34,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:34,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:53:34,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547437895] [2023-11-06 22:53:34,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:34,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:53:34,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:34,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:53:34,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:53:34,426 INFO L87 Difference]: Start difference. First operand has 92 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:53:34,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:34,478 INFO L93 Difference]: Finished difference Result 176 states and 239 transitions. [2023-11-06 22:53:34,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:53:34,480 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2023-11-06 22:53:34,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:34,492 INFO L225 Difference]: With dead ends: 176 [2023-11-06 22:53:34,493 INFO L226 Difference]: Without dead ends: 83 [2023-11-06 22:53:34,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:53:34,504 INFO L413 NwaCegarLoop]: 116 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, 116 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 22:53:34,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:53:34,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-06 22:53:34,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-06 22:53:34,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 64 states have (on average 1.3125) internal successors, (84), 71 states have internal predecessors, (84), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:53:34,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2023-11-06 22:53:34,569 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 23 [2023-11-06 22:53:34,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:34,571 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2023-11-06 22:53:34,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:53:34,572 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2023-11-06 22:53:34,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-06 22:53:34,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:34,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:34,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:53:34,578 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:34,579 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:34,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1324255922, now seen corresponding path program 1 times [2023-11-06 22:53:34,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:34,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799345719] [2023-11-06 22:53:34,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:34,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:53:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:34,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:34,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:34,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799345719] [2023-11-06 22:53:34,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799345719] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:34,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:34,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:53:34,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297783708] [2023-11-06 22:53:34,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:34,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:53:34,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:34,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:53:34,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:53:34,702 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:53:34,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:34,719 INFO L93 Difference]: Finished difference Result 131 states and 169 transitions. [2023-11-06 22:53:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:53:34,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2023-11-06 22:53:34,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:34,722 INFO L225 Difference]: With dead ends: 131 [2023-11-06 22:53:34,722 INFO L226 Difference]: Without dead ends: 74 [2023-11-06 22:53:34,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:53:34,725 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 13 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:34,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 171 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:53:34,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-06 22:53:34,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-06 22:53:34,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 65 states have internal predecessors, (77), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 22:53:34,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2023-11-06 22:53:34,737 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 24 [2023-11-06 22:53:34,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:34,738 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2023-11-06 22:53:34,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:53:34,738 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2023-11-06 22:53:34,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-06 22:53:34,740 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:34,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:34,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:53:34,740 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:34,745 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:34,745 INFO L85 PathProgramCache]: Analyzing trace with hash -398467318, now seen corresponding path program 1 times [2023-11-06 22:53:34,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:34,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846288901] [2023-11-06 22:53:34,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:34,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:34,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:53:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:34,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:34,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:34,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846288901] [2023-11-06 22:53:34,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846288901] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:34,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:34,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:53:34,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750485718] [2023-11-06 22:53:34,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:34,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:53:34,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:34,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:53:34,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:53:34,918 INFO L87 Difference]: Start difference. First operand 74 states and 95 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:53:34,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:34,940 INFO L93 Difference]: Finished difference Result 141 states and 184 transitions. [2023-11-06 22:53:34,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:53:34,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2023-11-06 22:53:34,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:34,943 INFO L225 Difference]: With dead ends: 141 [2023-11-06 22:53:34,943 INFO L226 Difference]: Without dead ends: 74 [2023-11-06 22:53:34,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 22:53:34,945 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 75 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:34,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 93 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:53:34,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-06 22:53:34,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-06 22:53:34,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 65 states have internal predecessors, (76), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 22:53:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 94 transitions. [2023-11-06 22:53:34,960 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 94 transitions. Word has length 29 [2023-11-06 22:53:34,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:34,961 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 94 transitions. [2023-11-06 22:53:34,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:53:34,961 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2023-11-06 22:53:34,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-06 22:53:34,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:34,963 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:34,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:53:34,964 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:34,964 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:34,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1454809844, now seen corresponding path program 1 times [2023-11-06 22:53:34,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:34,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462306103] [2023-11-06 22:53:34,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:34,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:35,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:53:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:35,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:53:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:35,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-06 22:53:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:35,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:35,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:35,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462306103] [2023-11-06 22:53:35,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462306103] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:35,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:35,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:53:35,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387417978] [2023-11-06 22:53:35,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:35,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:53:35,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:35,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:53:35,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:53:35,149 INFO L87 Difference]: Start difference. First operand 74 states and 94 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:53:35,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:35,406 INFO L93 Difference]: Finished difference Result 214 states and 271 transitions. [2023-11-06 22:53:35,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:53:35,407 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 39 [2023-11-06 22:53:35,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:35,409 INFO L225 Difference]: With dead ends: 214 [2023-11-06 22:53:35,409 INFO L226 Difference]: Without dead ends: 147 [2023-11-06 22:53:35,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:53:35,412 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 167 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:35,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 268 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:53:35,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-11-06 22:53:35,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 141. [2023-11-06 22:53:35,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 109 states have (on average 1.2568807339449541) internal successors, (137), 117 states have internal predecessors, (137), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2023-11-06 22:53:35,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 172 transitions. [2023-11-06 22:53:35,455 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 172 transitions. Word has length 39 [2023-11-06 22:53:35,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:35,456 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 172 transitions. [2023-11-06 22:53:35,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:53:35,456 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 172 transitions. [2023-11-06 22:53:35,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-06 22:53:35,460 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:35,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:35,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:53:35,461 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:35,461 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:35,462 INFO L85 PathProgramCache]: Analyzing trace with hash 2113308012, now seen corresponding path program 1 times [2023-11-06 22:53:35,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:35,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722070166] [2023-11-06 22:53:35,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:35,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:35,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:53:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:35,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:53:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:35,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:53:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:35,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:35,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:35,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722070166] [2023-11-06 22:53:35,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722070166] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:35,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:35,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:53:35,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285250125] [2023-11-06 22:53:35,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:35,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:53:35,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:35,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:53:35,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:53:35,713 INFO L87 Difference]: Start difference. First operand 141 states and 172 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:53:35,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:35,978 INFO L93 Difference]: Finished difference Result 153 states and 183 transitions. [2023-11-06 22:53:35,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:53:35,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2023-11-06 22:53:35,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:35,986 INFO L225 Difference]: With dead ends: 153 [2023-11-06 22:53:35,987 INFO L226 Difference]: Without dead ends: 151 [2023-11-06 22:53:35,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:53:35,993 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 113 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:35,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 348 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:53:35,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-11-06 22:53:36,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 141. [2023-11-06 22:53:36,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 109 states have (on average 1.238532110091743) internal successors, (135), 117 states have internal predecessors, (135), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2023-11-06 22:53:36,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 170 transitions. [2023-11-06 22:53:36,030 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 170 transitions. Word has length 45 [2023-11-06 22:53:36,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:36,030 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 170 transitions. [2023-11-06 22:53:36,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:53:36,031 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 170 transitions. [2023-11-06 22:53:36,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-06 22:53:36,032 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:36,033 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] [2023-11-06 22:53:36,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:53:36,033 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:36,034 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:36,034 INFO L85 PathProgramCache]: Analyzing trace with hash -2050569783, now seen corresponding path program 1 times [2023-11-06 22:53:36,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:36,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309606085] [2023-11-06 22:53:36,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:36,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:36,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:53:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:36,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:53:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:36,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-06 22:53:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:36,227 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 22:53:36,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:36,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309606085] [2023-11-06 22:53:36,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309606085] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:36,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:36,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:53:36,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648276854] [2023-11-06 22:53:36,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:36,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:53:36,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:36,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:53:36,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:53:36,232 INFO L87 Difference]: Start difference. First operand 141 states and 170 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:53:36,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:36,420 INFO L93 Difference]: Finished difference Result 285 states and 350 transitions. [2023-11-06 22:53:36,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:53:36,421 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2023-11-06 22:53:36,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:36,424 INFO L225 Difference]: With dead ends: 285 [2023-11-06 22:53:36,425 INFO L226 Difference]: Without dead ends: 151 [2023-11-06 22:53:36,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 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 22:53:36,436 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 61 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:36,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 345 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:53:36,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-11-06 22:53:36,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 144. [2023-11-06 22:53:36,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 112 states have (on average 1.2321428571428572) internal successors, (138), 120 states have internal predecessors, (138), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2023-11-06 22:53:36,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 173 transitions. [2023-11-06 22:53:36,481 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 173 transitions. Word has length 51 [2023-11-06 22:53:36,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:36,482 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 173 transitions. [2023-11-06 22:53:36,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:53:36,483 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 173 transitions. [2023-11-06 22:53:36,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-06 22:53:36,490 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:36,491 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] [2023-11-06 22:53:36,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:53:36,492 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:36,492 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:36,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1988530169, now seen corresponding path program 1 times [2023-11-06 22:53:36,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:36,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948887867] [2023-11-06 22:53:36,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:36,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:36,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:53:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:36,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:53:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:36,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-06 22:53:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:36,714 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 22:53:36,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:36,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948887867] [2023-11-06 22:53:36,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948887867] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:36,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:36,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:53:36,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416877093] [2023-11-06 22:53:36,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:36,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:53:36,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:36,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:53:36,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:53:36,720 INFO L87 Difference]: Start difference. First operand 144 states and 173 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:53:36,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:36,900 INFO L93 Difference]: Finished difference Result 291 states and 356 transitions. [2023-11-06 22:53:36,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:53:36,901 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2023-11-06 22:53:36,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:36,904 INFO L225 Difference]: With dead ends: 291 [2023-11-06 22:53:36,904 INFO L226 Difference]: Without dead ends: 154 [2023-11-06 22:53:36,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:53:36,908 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 143 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:36,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 266 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:53:36,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-11-06 22:53:36,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 146. [2023-11-06 22:53:36,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 114 states have (on average 1.2280701754385965) internal successors, (140), 122 states have internal predecessors, (140), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2023-11-06 22:53:36,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 175 transitions. [2023-11-06 22:53:36,946 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 175 transitions. Word has length 51 [2023-11-06 22:53:36,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:36,949 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 175 transitions. [2023-11-06 22:53:36,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:53:36,949 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 175 transitions. [2023-11-06 22:53:36,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-06 22:53:36,951 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:36,951 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] [2023-11-06 22:53:36,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:53:36,952 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:36,952 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:36,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1796964037, now seen corresponding path program 1 times [2023-11-06 22:53:36,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:36,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270217992] [2023-11-06 22:53:36,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:36,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:37,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:53:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:37,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:53:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:37,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-06 22:53:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:37,076 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 22:53:37,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:37,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270217992] [2023-11-06 22:53:37,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270217992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:37,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:37,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:53:37,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377388834] [2023-11-06 22:53:37,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:37,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:53:37,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:37,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:53:37,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:53:37,083 INFO L87 Difference]: Start difference. First operand 146 states and 175 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:53:37,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:37,322 INFO L93 Difference]: Finished difference Result 402 states and 507 transitions. [2023-11-06 22:53:37,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:53:37,327 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 51 [2023-11-06 22:53:37,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:37,329 INFO L225 Difference]: With dead ends: 402 [2023-11-06 22:53:37,329 INFO L226 Difference]: Without dead ends: 263 [2023-11-06 22:53:37,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:53:37,331 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 186 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:37,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 287 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:53:37,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2023-11-06 22:53:37,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 261. [2023-11-06 22:53:37,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 201 states have (on average 1.2189054726368158) internal successors, (245), 213 states have internal predecessors, (245), 30 states have call successors, (30), 28 states have call predecessors, (30), 29 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2023-11-06 22:53:37,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 320 transitions. [2023-11-06 22:53:37,393 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 320 transitions. Word has length 51 [2023-11-06 22:53:37,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:37,394 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 320 transitions. [2023-11-06 22:53:37,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:53:37,394 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 320 transitions. [2023-11-06 22:53:37,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-06 22:53:37,396 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:37,396 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] [2023-11-06 22:53:37,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:53:37,396 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:37,397 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:37,397 INFO L85 PathProgramCache]: Analyzing trace with hash 885279839, now seen corresponding path program 1 times [2023-11-06 22:53:37,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:37,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470435066] [2023-11-06 22:53:37,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:37,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:37,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:53:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:37,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:53:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:37,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:53:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:37,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 22:53:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:37,631 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 22:53:37,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:37,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470435066] [2023-11-06 22:53:37,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470435066] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:37,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:37,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:53:37,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568369474] [2023-11-06 22:53:37,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:37,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:53:37,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:37,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:53:37,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:53:37,634 INFO L87 Difference]: Start difference. First operand 261 states and 320 transitions. Second operand has 11 states, 11 states have (on average 4.0) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:53:38,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:38,325 INFO L93 Difference]: Finished difference Result 803 states and 1019 transitions. [2023-11-06 22:53:38,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-06 22:53:38,326 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2023-11-06 22:53:38,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:38,330 INFO L225 Difference]: With dead ends: 803 [2023-11-06 22:53:38,330 INFO L226 Difference]: Without dead ends: 549 [2023-11-06 22:53:38,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=720, Unknown=0, NotChecked=0, Total=930 [2023-11-06 22:53:38,333 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 385 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:38,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 457 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:53:38,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2023-11-06 22:53:38,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 538. [2023-11-06 22:53:38,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 412 states have (on average 1.191747572815534) internal successors, (491), 440 states have internal predecessors, (491), 64 states have call successors, (64), 54 states have call predecessors, (64), 61 states have return successors, (103), 63 states have call predecessors, (103), 64 states have call successors, (103) [2023-11-06 22:53:38,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 658 transitions. [2023-11-06 22:53:38,440 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 658 transitions. Word has length 55 [2023-11-06 22:53:38,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:38,440 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 658 transitions. [2023-11-06 22:53:38,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:53:38,441 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 658 transitions. [2023-11-06 22:53:38,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-06 22:53:38,443 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:38,443 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] [2023-11-06 22:53:38,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:53:38,444 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:38,444 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:38,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1520465863, now seen corresponding path program 1 times [2023-11-06 22:53:38,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:38,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349404369] [2023-11-06 22:53:38,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:38,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:38,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:53:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:38,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:53:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:38,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:53:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:38,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:53:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:38,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:53:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:38,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:53:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:38,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-06 22:53:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:38,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:53:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:38,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:53:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:38,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:53:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:38,762 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-06 22:53:38,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:38,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349404369] [2023-11-06 22:53:38,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349404369] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:53:38,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735476846] [2023-11-06 22:53:38,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:38,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:53:38,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:38,767 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:53:38,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:53:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:38,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:53:38,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:53:39,098 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-06 22:53:39,098 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:53:39,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735476846] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:39,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:53:39,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16] total 21 [2023-11-06 22:53:39,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354661528] [2023-11-06 22:53:39,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:39,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:53:39,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:39,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:53:39,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:53:39,101 INFO L87 Difference]: Start difference. First operand 538 states and 658 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-06 22:53:39,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:39,324 INFO L93 Difference]: Finished difference Result 1071 states and 1312 transitions. [2023-11-06 22:53:39,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:53:39,325 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 102 [2023-11-06 22:53:39,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:39,329 INFO L225 Difference]: With dead ends: 1071 [2023-11-06 22:53:39,329 INFO L226 Difference]: Without dead ends: 540 [2023-11-06 22:53:39,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:53:39,332 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 61 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:39,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 819 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:53:39,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2023-11-06 22:53:39,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 538. [2023-11-06 22:53:39,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 412 states have (on average 1.1771844660194175) internal successors, (485), 440 states have internal predecessors, (485), 64 states have call successors, (64), 54 states have call predecessors, (64), 61 states have return successors, (92), 63 states have call predecessors, (92), 64 states have call successors, (92) [2023-11-06 22:53:39,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 641 transitions. [2023-11-06 22:53:39,406 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 641 transitions. Word has length 102 [2023-11-06 22:53:39,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:39,407 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 641 transitions. [2023-11-06 22:53:39,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-06 22:53:39,407 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 641 transitions. [2023-11-06 22:53:39,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:53:39,409 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:39,409 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-06 22:53:39,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:53:39,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:53:39,616 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:39,616 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:39,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1135855989, now seen corresponding path program 1 times [2023-11-06 22:53:39,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:39,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30648374] [2023-11-06 22:53:39,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:39,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:39,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:53:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:39,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:53:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:39,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:53:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:39,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:53:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:39,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:53:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:39,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-06 22:53:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:39,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-06 22:53:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:39,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:53:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:39,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:53:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:39,876 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 22:53:39,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:39,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30648374] [2023-11-06 22:53:39,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30648374] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:53:39,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719613973] [2023-11-06 22:53:39,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:39,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:53:39,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:39,878 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:53:39,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:53:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:40,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:53:40,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:53:40,079 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:53:40,079 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:53:40,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719613973] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:40,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:53:40,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2023-11-06 22:53:40,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482812949] [2023-11-06 22:53:40,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:40,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:53:40,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:40,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:53:40,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:53:40,081 INFO L87 Difference]: Start difference. First operand 538 states and 641 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-06 22:53:40,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:40,324 INFO L93 Difference]: Finished difference Result 1259 states and 1559 transitions. [2023-11-06 22:53:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:53:40,325 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 98 [2023-11-06 22:53:40,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:40,332 INFO L225 Difference]: With dead ends: 1259 [2023-11-06 22:53:40,332 INFO L226 Difference]: Without dead ends: 824 [2023-11-06 22:53:40,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 114 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:53:40,336 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 119 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:40,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 571 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:53:40,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2023-11-06 22:53:40,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 752. [2023-11-06 22:53:40,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 574 states have (on average 1.1794425087108014) internal successors, (677), 612 states have internal predecessors, (677), 90 states have call successors, (90), 78 states have call predecessors, (90), 87 states have return successors, (135), 85 states have call predecessors, (135), 90 states have call successors, (135) [2023-11-06 22:53:40,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 902 transitions. [2023-11-06 22:53:40,448 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 902 transitions. Word has length 98 [2023-11-06 22:53:40,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:40,449 INFO L495 AbstractCegarLoop]: Abstraction has 752 states and 902 transitions. [2023-11-06 22:53:40,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-06 22:53:40,449 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 902 transitions. [2023-11-06 22:53:40,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:53:40,451 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:40,451 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-06 22:53:40,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-06 22:53:40,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:53:40,657 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:40,657 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:40,657 INFO L85 PathProgramCache]: Analyzing trace with hash -669582345, now seen corresponding path program 1 times [2023-11-06 22:53:40,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:40,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349843714] [2023-11-06 22:53:40,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:40,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:40,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:53:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:40,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:53:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:40,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:53:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:40,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:53:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:40,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:53:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:40,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-06 22:53:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:40,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-06 22:53:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:40,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:53:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:40,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:53:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:40,822 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-06 22:53:40,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:40,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349843714] [2023-11-06 22:53:40,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349843714] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:53:40,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480500633] [2023-11-06 22:53:40,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:40,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:53:40,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:40,824 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:53:40,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:53:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:40,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:53:40,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:53:40,989 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-06 22:53:40,989 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:53:40,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480500633] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:40,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:53:40,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2023-11-06 22:53:40,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95655073] [2023-11-06 22:53:40,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:40,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:53:40,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:40,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:53:40,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:53:40,992 INFO L87 Difference]: Start difference. First operand 752 states and 902 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-06 22:53:41,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:41,076 INFO L93 Difference]: Finished difference Result 1039 states and 1244 transitions. [2023-11-06 22:53:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:53:41,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2023-11-06 22:53:41,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:41,077 INFO L225 Difference]: With dead ends: 1039 [2023-11-06 22:53:41,077 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:53:41,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:53:41,080 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 15 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:41,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 354 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:53:41,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:53:41,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:53:41,081 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 22:53:41,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:53:41,082 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2023-11-06 22:53:41,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:41,111 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:53:41,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-06 22:53:41,111 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:53:41,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:53:41,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:53:41,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:53:41,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:53:41,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:53:45,487 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 304 310) no Hoare annotation was computed. [2023-11-06 22:53:45,488 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 304 310) the Hoare annotation is: true [2023-11-06 22:53:45,488 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 93 104) no Hoare annotation was computed. [2023-11-06 22:53:45,488 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 93 104) the Hoare annotation is: (let ((.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< |old(~methaneLevelCritical~0)| 1)) (.cse6 (< ~waterLevel~0 2))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6) (or .cse4 .cse1 (< ~waterLevel~0 1) .cse5 .cse2) (or .cse0 .cse1 .cse2 .cse3 .cse6))) [2023-11-06 22:53:45,489 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 93 104) no Hoare annotation was computed. [2023-11-06 22:53:45,489 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 485) no Hoare annotation was computed. [2023-11-06 22:53:45,489 INFO L899 garLoopResultBuilder]: For program point L481-2(lines 481 485) no Hoare annotation was computed. [2023-11-06 22:53:45,489 INFO L895 garLoopResultBuilder]: At program point L506(line 506) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| 0))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not .cse10)) (.cse3 (not (= 1 ~systemActive~0))) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse7 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse8 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse9 (<= 1 ~waterLevel~0)) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 (< |old(~waterLevel~0)| 1) (and .cse1 .cse2) .cse3 .cse4) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse3 .cse5 (and .cse1 (= ~waterLevel~0 1))) (or .cse3 .cse6 .cse5 .cse2 (and .cse7 .cse0 .cse1 .cse8 .cse9)) (or .cse3 .cse6 .cse10 (and .cse7 .cse1 .cse8 .cse9) .cse4)))) [2023-11-06 22:53:45,490 INFO L899 garLoopResultBuilder]: For program point L506-1(line 506) no Hoare annotation was computed. [2023-11-06 22:53:45,490 INFO L895 garLoopResultBuilder]: At program point isLowWaterSensorDry_returnLabel#1(lines 160 168) the Hoare annotation is: (let ((.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse3 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2) (or .cse5 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse3) (or .cse5 (< |old(~waterLevel~0)| 1) .cse0 .cse4) (or .cse5 .cse0 .cse1 .cse3))) [2023-11-06 22:53:45,490 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 77) no Hoare annotation was computed. [2023-11-06 22:53:45,490 INFO L895 garLoopResultBuilder]: At program point L73-2(lines 69 80) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0))) (.cse2 (< ~methaneLevelCritical~0 1))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse1 .cse3 .cse4 .cse5) (or .cse0 (< |old(~waterLevel~0)| 1) .cse1 .cse4) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 .cse5 .cse2))) [2023-11-06 22:53:45,491 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 280 303) no Hoare annotation was computed. [2023-11-06 22:53:45,491 INFO L899 garLoopResultBuilder]: For program point L284-1(lines 283 302) no Hoare annotation was computed. [2023-11-06 22:53:45,491 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 354) no Hoare annotation was computed. [2023-11-06 22:53:45,491 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 359) no Hoare annotation was computed. [2023-11-06 22:53:45,491 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 518) no Hoare annotation was computed. [2023-11-06 22:53:45,491 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2023-11-06 22:53:45,492 INFO L895 garLoopResultBuilder]: At program point L508-1(lines 500 524) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| 0)) (.cse13 (= 1 ~systemActive~0)) (.cse9 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~6#1| 0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse11 (and (<= 2 ~waterLevel~0) .cse13 .cse9 .cse12)) (.cse1 (not .cse13)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse7 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse0 (not .cse3)) (.cse2 (= ~pumpRunning~0 0)) (.cse8 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse10 (<= 1 ~waterLevel~0)) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 .cse3 (= ~waterLevel~0 1)) .cse4) (or .cse1 .cse5 .cse6 (and .cse7 .cse0 .cse2 .cse8 .cse9 .cse10) .cse11) (or .cse0 (< |old(~waterLevel~0)| 1) .cse1 .cse6 (and .cse2 .cse3 .cse9 .cse12) .cse11) (or .cse1 .cse5 (and .cse2 .cse3 .cse12) (and .cse7 .cse0 .cse2 .cse8 .cse10) .cse4)))) [2023-11-06 22:53:45,492 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-06 22:53:45,492 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 50 57) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (< |old(~waterLevel~0)| 1) .cse1 .cse3) (or .cse1 .cse4 .cse2) (or .cse1 .cse4 .cse3))) [2023-11-06 22:53:45,493 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 280 303) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= 1 ~systemActive~0))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2)) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 (< |old(~waterLevel~0)| 1) (and .cse1 .cse2) .cse3 .cse4) (or .cse3 .cse5 .cse6 .cse7) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse3 .cse6 (and .cse1 (= ~waterLevel~0 1))) (or .cse3 .cse5 .cse7 .cse4)))) [2023-11-06 22:53:45,493 INFO L895 garLoopResultBuilder]: At program point L352(line 352) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (< |old(~waterLevel~0)| 1) .cse1 .cse3) (or .cse1 .cse4 .cse2) (or .cse1 .cse4 .cse3))) [2023-11-06 22:53:45,493 INFO L895 garLoopResultBuilder]: At program point deactivatePump_returnLabel#1(lines 389 396) the Hoare annotation is: (let ((.cse2 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (= ~pumpRunning~0 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 ~waterLevel~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse3 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse3) (or .cse4 (< |old(~waterLevel~0)| 1) .cse0 .cse5) (or .cse0 .cse1 .cse2 .cse5) (or .cse4 .cse0 .cse1 .cse3))) [2023-11-06 22:53:45,493 INFO L895 garLoopResultBuilder]: At program point isLowWaterLevel_returnLabel#1(lines 472 490) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~1#1|)) (.cse8 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse9 (<= 1 ~waterLevel~0)) (.cse10 (= |timeShift_isLowWaterLevel_~tmp~5#1| 0)) (.cse2 (< ~methaneLevelCritical~0 1))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (< |old(~waterLevel~0)| 1) .cse1 .cse3) (or .cse1 .cse4 .cse3 (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10)) (or .cse1 .cse4 (and .cse5 .cse6 .cse0 .cse7 .cse8 .cse9 .cse10) .cse2))) [2023-11-06 22:53:45,494 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 280 303) no Hoare annotation was computed. [2023-11-06 22:53:45,494 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 408 416) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (< |old(~waterLevel~0)| 2)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not .cse2)) (.cse7 (< |old(~waterLevel~0)| 1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse5 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse3 .cse4 (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 ~waterLevel~0)) .cse5) (or .cse6 .cse7 .cse0 .cse8) (or .cse0 .cse1 .cse8) (or .cse6 .cse7 .cse0 (and .cse3 .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse5)))) [2023-11-06 22:53:45,494 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-11-06 22:53:45,494 INFO L895 garLoopResultBuilder]: At program point L357(line 357) the Hoare annotation is: (let ((.cse6 (= |old(~pumpRunning~0)| 0))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse6)) (.cse3 (not (= 1 ~systemActive~0))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 1) (and .cse1 .cse2) .cse3 .cse4) (or .cse3 .cse5 .cse6 .cse4) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse3 .cse7 (and .cse1 (= ~waterLevel~0 1))) (or .cse3 .cse5 (and .cse1 .cse6 .cse2) .cse7)))) [2023-11-06 22:53:45,495 INFO L895 garLoopResultBuilder]: At program point L357-1(lines 338 362) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse8 (= |old(~pumpRunning~0)| 0))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse8)) (.cse1 (< |old(~waterLevel~0)| 1)) (.cse4 (not (= 1 ~systemActive~0))) (.cse7 (< |old(~waterLevel~0)| 2)) (.cse9 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse2 (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 ~waterLevel~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse4 .cse6) (or .cse4 .cse7 .cse8 .cse9 .cse5) (or .cse0 .cse1 .cse4 .cse6 .cse3) (or .cse4 .cse7 .cse9 .cse6 .cse3)))) [2023-11-06 22:53:45,495 INFO L899 garLoopResultBuilder]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2023-11-06 22:53:45,495 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2023-11-06 22:53:45,495 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 172 201) no Hoare annotation was computed. [2023-11-06 22:53:45,495 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 190) no Hoare annotation was computed. [2023-11-06 22:53:45,495 INFO L902 garLoopResultBuilder]: At program point L186-1(lines 186 190) the Hoare annotation is: true [2023-11-06 22:53:45,496 INFO L899 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2023-11-06 22:53:45,496 INFO L902 garLoopResultBuilder]: At program point L182-2(lines 182 196) the Hoare annotation is: true [2023-11-06 22:53:45,496 INFO L902 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: true [2023-11-06 22:53:45,496 INFO L899 garLoopResultBuilder]: For program point L178-1(line 178) no Hoare annotation was computed. [2023-11-06 22:53:45,496 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 172 201) the Hoare annotation is: true [2023-11-06 22:53:45,496 INFO L902 garLoopResultBuilder]: At program point L197(lines 172 201) the Hoare annotation is: true [2023-11-06 22:53:45,496 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 105 113) the Hoare annotation is: true [2023-11-06 22:53:45,497 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 105 113) no Hoare annotation was computed. [2023-11-06 22:53:45,497 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 105 113) no Hoare annotation was computed. [2023-11-06 22:53:45,497 INFO L899 garLoopResultBuilder]: For program point L258-2(lines 258 265) no Hoare annotation was computed. [2023-11-06 22:53:45,497 INFO L895 garLoopResultBuilder]: At program point startSystem_returnLabel#1(lines 491 498) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse4 .cse0 .cse2 .cse3 .cse6) (and .cse5 .cse1 .cse2 .cse3))) [2023-11-06 22:53:45,497 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 235 244) the Hoare annotation is: true [2023-11-06 22:53:45,497 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 562) no Hoare annotation was computed. [2023-11-06 22:53:45,498 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 556 562) no Hoare annotation was computed. [2023-11-06 22:53:45,498 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 604 610) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:53:45,498 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 248 270) the Hoare annotation is: true [2023-11-06 22:53:45,498 INFO L895 garLoopResultBuilder]: At program point L581(lines 536 583) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2023-11-06 22:53:45,498 INFO L895 garLoopResultBuilder]: At program point L548(line 548) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2023-11-06 22:53:45,499 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:53:45,499 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:53:45,499 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 227 233) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:53:45,499 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:53:45,499 INFO L899 garLoopResultBuilder]: For program point L574(lines 574 578) no Hoare annotation was computed. [2023-11-06 22:53:45,499 INFO L895 garLoopResultBuilder]: At program point L574-2(lines 566 579) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse4 .cse0 .cse2 .cse3 .cse6) (and .cse5 .cse1 .cse2 .cse3))) [2023-11-06 22:53:45,500 INFO L899 garLoopResultBuilder]: For program point L537(lines 536 583) no Hoare annotation was computed. [2023-11-06 22:53:45,500 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 579) no Hoare annotation was computed. [2023-11-06 22:53:45,500 INFO L895 garLoopResultBuilder]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2023-11-06 22:53:45,500 INFO L902 garLoopResultBuilder]: At program point L587(lines 526 591) the Hoare annotation is: true [2023-11-06 22:53:45,500 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:53:45,500 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 611 617) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:53:45,500 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 552) no Hoare annotation was computed. [2023-11-06 22:53:45,501 INFO L899 garLoopResultBuilder]: For program point L546-1(lines 546 552) no Hoare annotation was computed. [2023-11-06 22:53:45,501 INFO L899 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2023-11-06 22:53:45,501 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 618 626) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:53:45,501 INFO L895 garLoopResultBuilder]: At program point L584(lines 535 585) the Hoare annotation is: false [2023-11-06 22:53:45,501 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 265) no Hoare annotation was computed. [2023-11-06 22:53:45,501 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 328) no Hoare annotation was computed. [2023-11-06 22:53:45,502 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 333) no Hoare annotation was computed. [2023-11-06 22:53:45,502 INFO L895 garLoopResultBuilder]: At program point L331(line 331) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 .cse2 (< ~methaneLevelCritical~0 1)))) [2023-11-06 22:53:45,502 INFO L899 garLoopResultBuilder]: For program point L331-1(lines 312 336) no Hoare annotation was computed. [2023-11-06 22:53:45,502 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 312 336) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 (< ~waterLevel~0 1) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2) .cse3))) [2023-11-06 22:53:45,502 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 146 159) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse7)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not .cse6)) (.cse3 (and .cse5 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)))) (.cse4 (and .cse5 (<= 2 ~waterLevel~0) .cse6 .cse7))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (< ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4)))) [2023-11-06 22:53:45,503 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 453 471) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0)) (.cse8 (= 1 ~systemActive~0)) (.cse9 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not (= ~waterLevel~0 1))) (.cse3 (and .cse10 .cse8 .cse9 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~4#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and .cse10 .cse8 .cse9)) (.cse1 (not .cse9)) (.cse2 (not .cse8)) (.cse7 (< ~waterLevel~0 2)) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse3) (or .cse6 .cse1 .cse2 .cse5 .cse7) (or .cse6 .cse1 .cse2 .cse7 .cse4)))) [2023-11-06 22:53:45,503 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 312 336) no Hoare annotation was computed. [2023-11-06 22:53:45,503 INFO L899 garLoopResultBuilder]: For program point L379(lines 379 385) no Hoare annotation was computed. [2023-11-06 22:53:45,503 INFO L895 garLoopResultBuilder]: At program point L379-2(lines 372 388) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (<= 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (and (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~3#1|) (= ~pumpRunning~0 0) .cse3 (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| ~methaneLevelCritical~0)) (< ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2023-11-06 22:53:45,503 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 156) no Hoare annotation was computed. [2023-11-06 22:53:45,504 INFO L895 garLoopResultBuilder]: At program point L402(line 402) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse5 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse5)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not .cse4)) (.cse3 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) .cse4 .cse5))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse0 .cse1 .cse2 .cse3 (< ~methaneLevelCritical~0 1))))) [2023-11-06 22:53:45,504 INFO L899 garLoopResultBuilder]: For program point L402-1(line 402) no Hoare annotation was computed. [2023-11-06 22:53:45,504 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 466) no Hoare annotation was computed. [2023-11-06 22:53:45,504 INFO L899 garLoopResultBuilder]: For program point L462-2(lines 462 466) no Hoare annotation was computed. [2023-11-06 22:53:45,504 INFO L895 garLoopResultBuilder]: At program point isMethaneAlarm_returnLabel#1(lines 397 407) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (<= 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and .cse3 .cse4)) (or .cse0 .cse1 .cse2 (and .cse3 .cse4 (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| ~methaneLevelCritical~0)) (< ~methaneLevelCritical~0 1)))) [2023-11-06 22:53:45,504 INFO L895 garLoopResultBuilder]: At program point L326(line 326) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse5 (= |old(~pumpRunning~0)| 0))) (let ((.cse3 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse5)) (.cse1 (not .cse4)) (.cse2 (and (= ~pumpRunning~0 0) .cse4 .cse5 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2 .cse3) (or .cse0 (< ~waterLevel~0 1) .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2)))) [2023-11-06 22:53:45,505 INFO L895 garLoopResultBuilder]: At program point activatePump__wrappee__lowWaterSensor_returnLabel#1(lines 363 370) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (< ~waterLevel~0 1) .cse1 (< ~methaneLevelCritical~0 1)))) [2023-11-06 22:53:45,505 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 81 92) no Hoare annotation was computed. [2023-11-06 22:53:45,505 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 81 92) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< |old(~waterLevel~0)| 1)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 (< |old(~waterLevel~0)| 2) .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse4 (< ~methaneLevelCritical~0 1)))) [2023-11-06 22:53:45,505 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 81 92) no Hoare annotation was computed. [2023-11-06 22:53:45,508 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:45,510 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:53:45,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:53:45 BoogieIcfgContainer [2023-11-06 22:53:45,592 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:53:45,592 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:53:45,592 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:53:45,593 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:53:45,593 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:34" (3/4) ... [2023-11-06 22:53:45,595 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:53:45,599 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-06 22:53:45,600 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-06 22:53:45,600 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-06 22:53:45,600 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-06 22:53:45,600 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-06 22:53:45,601 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:53:45,601 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-06 22:53:45,615 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-06 22:53:45,615 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 22:53:45,616 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:53:45,617 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:53:45,617 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:53:45,648 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1)) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || ((pumpRunning == \old(pumpRunning)) && (1 <= waterLevel)))) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (1 <= waterLevel))) || (methaneLevelCritical < 1))) [2023-11-06 22:53:45,649 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (methaneLevelCritical < 1)) && ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) == 0)) || (((((1 <= tmp) && (\result == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= waterLevel))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(waterLevel) == waterLevel))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((1 <= tmp) && (\result == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= waterLevel))) || !((methaneLevelCritical == 0))) || (\old(waterLevel) == waterLevel))) [2023-11-06 22:53:45,651 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (waterLevel == 1))) || (methaneLevelCritical < 1)) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || ((((((\result == 0) && !((\old(pumpRunning) == 0))) && (pumpRunning == 0)) && (1 <= \result)) && (tmp == 0)) && (1 <= waterLevel))) || ((((2 <= waterLevel) && (1 == systemActive)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)))) && (((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || ((((2 <= waterLevel) && (1 == systemActive)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || (((((\result == 0) && !((\old(pumpRunning) == 0))) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= waterLevel))) || (methaneLevelCritical < 1))) [2023-11-06 22:53:45,652 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) && ((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 <= waterLevel)) && (\result == methaneLevelCritical))) || (methaneLevelCritical < 1))) [2023-11-06 22:53:45,652 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) == 0)) || (((((\result == 0) && (pumpRunning == 0)) && (\result == 0)) && (1 <= \result)) && (1 <= waterLevel))) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0)))) && ((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) [2023-11-06 22:53:45,652 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (1 <= waterLevel))) || (methaneLevelCritical < 1)) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (1 <= waterLevel)))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1))) [2023-11-06 22:53:45,653 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || ((pumpRunning == 0) && !((\result == 0)))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || (methaneLevelCritical < 1)) && (((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || ((pumpRunning == 0) && !((\result == 0)))) || !((methaneLevelCritical == 0))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(pumpRunning) == 0)))) [2023-11-06 22:53:45,653 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || ((((methaneLevelCritical == tmp) && (pumpRunning == 0)) && (2 <= waterLevel)) && (\result == methaneLevelCritical))) || (methaneLevelCritical < 1)) && ((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || (2 <= waterLevel)) || !((methaneLevelCritical == 0)))) [2023-11-06 22:53:45,654 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) && (((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 22:53:45,654 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1))) && ((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0)))) [2023-11-06 22:53:45,654 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || ((((((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (1 <= tmp___0)) && (1 <= \result)) && (1 <= waterLevel)) && (tmp == 0)))) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((((pumpRunning == \old(pumpRunning)) && (\result == 0)) && !((\old(pumpRunning) == 0))) && (1 <= tmp___0)) && (1 <= \result)) && (1 <= waterLevel)) && (tmp == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:53:45,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && !((tmp == 0))) && (\result == 0)) && (tmp___0 == 0))) || (methaneLevelCritical < 1)) && ((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && !((tmp == 0))) && (\result == 0)) && (tmp___0 == 0)))) && (((((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (waterLevel < 2))) && (((((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (waterLevel < 2)) || (methaneLevelCritical < 1))) [2023-11-06 22:53:45,658 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((1 <= tmp) && (\result == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= waterLevel))) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((1 <= tmp) && (\result == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= waterLevel))) || !((methaneLevelCritical == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1))) [2023-11-06 22:53:45,713 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1)) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || ((pumpRunning == \old(pumpRunning)) && (1 <= waterLevel)))) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (1 <= waterLevel))) || (methaneLevelCritical < 1))) [2023-11-06 22:53:45,714 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (methaneLevelCritical < 1)) && ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) == 0)) || (((((1 <= tmp) && (\result == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= waterLevel))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(waterLevel) == waterLevel))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((1 <= tmp) && (\result == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= waterLevel))) || !((methaneLevelCritical == 0))) || (\old(waterLevel) == waterLevel))) [2023-11-06 22:53:45,714 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (waterLevel == 1))) || (methaneLevelCritical < 1)) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || ((((((\result == 0) && !((\old(pumpRunning) == 0))) && (pumpRunning == 0)) && (1 <= \result)) && (tmp == 0)) && (1 <= waterLevel))) || ((((2 <= waterLevel) && (1 == systemActive)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)))) && (((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || ((((2 <= waterLevel) && (1 == systemActive)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || (((((\result == 0) && !((\old(pumpRunning) == 0))) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= waterLevel))) || (methaneLevelCritical < 1))) [2023-11-06 22:53:45,715 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) && ((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 <= waterLevel)) && (\result == methaneLevelCritical))) || (methaneLevelCritical < 1))) [2023-11-06 22:53:45,715 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) == 0)) || (((((\result == 0) && (pumpRunning == 0)) && (\result == 0)) && (1 <= \result)) && (1 <= waterLevel))) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0)))) && ((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) [2023-11-06 22:53:45,715 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (1 <= waterLevel))) || (methaneLevelCritical < 1)) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (1 <= waterLevel)))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1))) [2023-11-06 22:53:45,716 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || ((pumpRunning == 0) && !((\result == 0)))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || (methaneLevelCritical < 1)) && (((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || ((pumpRunning == 0) && !((\result == 0)))) || !((methaneLevelCritical == 0))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(pumpRunning) == 0)))) [2023-11-06 22:53:45,716 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || ((((methaneLevelCritical == tmp) && (pumpRunning == 0)) && (2 <= waterLevel)) && (\result == methaneLevelCritical))) || (methaneLevelCritical < 1)) && ((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || (2 <= waterLevel)) || !((methaneLevelCritical == 0)))) [2023-11-06 22:53:45,716 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) && (((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 22:53:45,716 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1))) && ((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0)))) [2023-11-06 22:53:45,716 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || ((((((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (1 <= tmp___0)) && (1 <= \result)) && (1 <= waterLevel)) && (tmp == 0)))) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((((pumpRunning == \old(pumpRunning)) && (\result == 0)) && !((\old(pumpRunning) == 0))) && (1 <= tmp___0)) && (1 <= \result)) && (1 <= waterLevel)) && (tmp == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:53:45,717 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && !((tmp == 0))) && (\result == 0)) && (tmp___0 == 0))) || (methaneLevelCritical < 1)) && ((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && !((tmp == 0))) && (\result == 0)) && (tmp___0 == 0)))) && (((((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (waterLevel < 2))) && (((((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (waterLevel < 2)) || (methaneLevelCritical < 1))) [2023-11-06 22:53:45,717 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((1 <= tmp) && (\result == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= waterLevel))) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((1 <= tmp) && (\result == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= waterLevel))) || !((methaneLevelCritical == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1))) [2023-11-06 22:53:45,753 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:53:45,754 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:53:45,754 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:53:45,755 INFO L158 Benchmark]: Toolchain (without parser) took 12918.39ms. Allocated memory was 155.2MB in the beginning and 243.3MB in the end (delta: 88.1MB). Free memory was 113.7MB in the beginning and 153.6MB in the end (delta: -39.9MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2023-11-06 22:53:45,755 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:53:45,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.23ms. Allocated memory is still 155.2MB. Free memory was 113.7MB in the beginning and 93.7MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-06 22:53:45,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.69ms. Allocated memory is still 155.2MB. Free memory was 93.7MB in the beginning and 91.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:53:45,757 INFO L158 Benchmark]: Boogie Preprocessor took 67.98ms. Allocated memory is still 155.2MB. Free memory was 91.6MB in the beginning and 90.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:53:45,757 INFO L158 Benchmark]: RCFGBuilder took 551.50ms. Allocated memory is still 155.2MB. Free memory was 90.1MB in the beginning and 124.2MB in the end (delta: -34.1MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-06 22:53:45,758 INFO L158 Benchmark]: TraceAbstraction took 11535.70ms. Allocated memory was 155.2MB in the beginning and 243.3MB in the end (delta: 88.1MB). Free memory was 123.4MB in the beginning and 162.0MB in the end (delta: -38.6MB). Peak memory consumption was 141.2MB. Max. memory is 16.1GB. [2023-11-06 22:53:45,759 INFO L158 Benchmark]: Witness Printer took 162.30ms. Allocated memory is still 243.3MB. Free memory was 162.0MB in the beginning and 153.6MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:53:45,761 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.23ms. Allocated memory is still 155.2MB. Free memory was 113.7MB in the beginning and 93.7MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.69ms. Allocated memory is still 155.2MB. Free memory was 93.7MB in the beginning and 91.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.98ms. Allocated memory is still 155.2MB. Free memory was 91.6MB in the beginning and 90.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 551.50ms. Allocated memory is still 155.2MB. Free memory was 90.1MB in the beginning and 124.2MB in the end (delta: -34.1MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * TraceAbstraction took 11535.70ms. Allocated memory was 155.2MB in the beginning and 243.3MB in the end (delta: 88.1MB). Free memory was 123.4MB in the beginning and 162.0MB in the end (delta: -38.6MB). Peak memory consumption was 141.2MB. Max. memory is 16.1GB. * Witness Printer took 162.30ms. Allocated memory is still 243.3MB. Free memory was 162.0MB in the beginning and 153.6MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [58] - GenericResultAtLocation [Line: 169]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [169] - GenericResultAtLocation [Line: 271]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [271] - GenericResultAtLocation [Line: 499]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [499] - GenericResultAtLocation [Line: 525]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [525] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [592] - GenericResultAtLocation [Line: 627]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [627] * 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: 54]: 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 8 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1367 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1338 mSDsluCounter, 4095 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2846 mSDsCounter, 301 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1177 IncrementalHoareTripleChecker+Invalid, 1478 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 301 mSolverCounterUnsat, 1249 mSDtfsCounter, 1177 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 515 GetRequests, 402 SyntacticMatches, 2 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=752occurred in iteration=11, InterpolantAutomatonStates: 93, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 118 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 1422 PreInvPairs, 1572 NumberOfFragments, 2128 HoareAnnotationTreeSize, 1422 FomulaSimplifications, 900 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 43 FomulaSimplificationsInter, 5202 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 964 NumberOfCodeBlocks, 964 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 949 ConstructedInterpolants, 0 QuantifiedInterpolants, 1709 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1007 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 184/206 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: (((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || ((((methaneLevelCritical == tmp) && (pumpRunning == 0)) && (2 <= waterLevel)) && (\result == methaneLevelCritical))) || (methaneLevelCritical < 1)) && ((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || (2 <= waterLevel)) || !((methaneLevelCritical == 0)))) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: ((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) && (((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: ((((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || ((((((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (1 <= tmp___0)) && (1 <= \result)) && (1 <= waterLevel)) && (tmp == 0)))) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((((pumpRunning == \old(pumpRunning)) && (\result == 0)) && !((\old(pumpRunning) == 0))) && (1 <= tmp___0)) && (1 <= \result)) && (1 <= waterLevel)) && (tmp == 0))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) == 0)) || (((((\result == 0) && (pumpRunning == 0)) && (\result == 0)) && (1 <= \result)) && (1 <= waterLevel))) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0)))) && ((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || ((pumpRunning == 0) && !((\result == 0)))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || (methaneLevelCritical < 1)) && (((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || ((pumpRunning == 0) && !((\result == 0)))) || !((methaneLevelCritical == 0))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(pumpRunning) == 0)))) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (1 <= waterLevel))) || (methaneLevelCritical < 1)) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (1 <= waterLevel)))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1))) - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: (((((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && !((tmp == 0))) && (\result == 0)) && (tmp___0 == 0))) || (methaneLevelCritical < 1)) && ((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && !((tmp == 0))) && (\result == 0)) && (tmp___0 == 0)))) && (((((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (waterLevel < 2))) && (((((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (waterLevel < 2)) || (methaneLevelCritical < 1))) - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: (((((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (waterLevel == 1))) || (methaneLevelCritical < 1)) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || ((((((\result == 0) && !((\old(pumpRunning) == 0))) && (pumpRunning == 0)) && (1 <= \result)) && (tmp == 0)) && (1 <= waterLevel))) || ((((2 <= waterLevel) && (1 == systemActive)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)))) && (((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || ((((2 <= waterLevel) && (1 == systemActive)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || (((((\result == 0) && !((\old(pumpRunning) == 0))) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= waterLevel))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: ((((((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (methaneLevelCritical < 1)) && ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) == 0)) || (((((1 <= tmp) && (\result == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= waterLevel))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(waterLevel) == waterLevel))) && ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((1 <= tmp) && (\result == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= waterLevel))) || !((methaneLevelCritical == 0))) || (\old(waterLevel) == waterLevel))) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: (((((((1 <= methaneLevelCritical) && (2 <= waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0)) || (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= waterLevel))) || (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= waterLevel))) || ((((methaneLevelCritical == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1))) && ((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0)))) - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: (((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) && ((((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 <= waterLevel)) && (\result == methaneLevelCritical))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: (((((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1)) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || ((pumpRunning == \old(pumpRunning)) && (1 <= waterLevel)))) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (1 <= waterLevel))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: (((((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((1 <= tmp) && (\result == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= waterLevel))) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((1 == systemActive)) || (\old(waterLevel) < 2)) || (((((1 <= tmp) && (\result == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= waterLevel))) || !((methaneLevelCritical == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (methaneLevelCritical < 1))) - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= waterLevel)) || (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= waterLevel))) || ((((methaneLevelCritical == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:53:45,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79dfcc6-46e4-424c-a37b-d0143bbc93e9/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