./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.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_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/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_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/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_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/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 a218bb67596641a4ce71d6987e627686ed630ab4299f0e9b54dfa98d78549c82 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:41:16,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:41:16,884 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:41:16,898 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:41:16,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:41:16,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:41:16,940 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:41:16,941 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:41:16,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:41:16,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:41:16,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:41:16,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:41:16,949 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:41:16,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:41:16,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:41:16,952 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:41:16,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:41:16,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:41:16,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:41:16,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:41:16,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:41:16,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:41:16,956 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:41:16,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:41:16,957 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:41:16,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:41:16,958 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:41:16,959 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:41:16,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:41:16,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:41:16,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:41:16,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:41:16,962 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:41:16,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:41:16,963 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:41:16,963 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:41:16,963 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:41:16,964 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:41:16,964 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:41:16,964 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_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a218bb67596641a4ce71d6987e627686ed630ab4299f0e9b54dfa98d78549c82 [2023-11-06 22:41:17,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:41:17,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:41:17,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:41:17,325 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:41:17,326 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:41:17,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2023-11-06 22:41:20,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:41:20,706 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:41:20,711 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2023-11-06 22:41:20,739 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/data/eedd346e8/205be4d9019d4a25bd0f13dd46392d06/FLAGb73e51b35 [2023-11-06 22:41:20,963 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/data/eedd346e8/205be4d9019d4a25bd0f13dd46392d06 [2023-11-06 22:41:20,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:41:20,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:41:20,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:41:20,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:41:20,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:41:20,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:20" (1/1) ... [2023-11-06 22:41:20,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c7981e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:20, skipping insertion in model container [2023-11-06 22:41:20,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:20" (1/1) ... [2023-11-06 22:41:21,052 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:41:21,240 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_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c[3241,3254] [2023-11-06 22:41:21,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:41:21,405 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:41:21,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-06 22:41:21,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [160] [2023-11-06 22:41:21,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [169] [2023-11-06 22:41:21,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [273] [2023-11-06 22:41:21,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [308] [2023-11-06 22:41:21,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [379] [2023-11-06 22:41:21,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [745] [2023-11-06 22:41:21,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [987] [2023-11-06 22:41:21,440 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_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c[3241,3254] [2023-11-06 22:41:21,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:41:21,539 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:41:21,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:21 WrapperNode [2023-11-06 22:41:21,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:41:21,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:41:21,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:41:21,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:41:21,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:21" (1/1) ... [2023-11-06 22:41:21,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:21" (1/1) ... [2023-11-06 22:41:21,627 INFO L138 Inliner]: procedures = 59, calls = 104, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 229 [2023-11-06 22:41:21,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:41:21,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:41:21,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:41:21,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:41:21,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:21" (1/1) ... [2023-11-06 22:41:21,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:21" (1/1) ... [2023-11-06 22:41:21,644 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:21" (1/1) ... [2023-11-06 22:41:21,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:21" (1/1) ... [2023-11-06 22:41:21,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:21" (1/1) ... [2023-11-06 22:41:21,657 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:21" (1/1) ... [2023-11-06 22:41:21,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:21" (1/1) ... [2023-11-06 22:41:21,662 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:21" (1/1) ... [2023-11-06 22:41:21,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:41:21,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:41:21,666 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:41:21,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:41:21,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:21" (1/1) ... [2023-11-06 22:41:21,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:41:21,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:21,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:21,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:41:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:41:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-06 22:41:21,800 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-06 22:41:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-06 22:41:21,800 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-06 22:41:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-06 22:41:21,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-06 22:41:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-06 22:41:21,801 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-06 22:41:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:41:21,801 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:41:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-06 22:41:21,802 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-06 22:41:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-06 22:41:21,802 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-06 22:41:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:41:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-06 22:41:21,803 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-06 22:41:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:41:21,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:41:21,895 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:41:21,899 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:41:22,181 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:41:22,189 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:41:22,190 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:41:22,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:22 BoogieIcfgContainer [2023-11-06 22:41:22,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:41:22,195 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:41:22,196 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:41:22,199 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:41:22,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:41:20" (1/3) ... [2023-11-06 22:41:22,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee566e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:22, skipping insertion in model container [2023-11-06 22:41:22,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:21" (2/3) ... [2023-11-06 22:41:22,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee566e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:22, skipping insertion in model container [2023-11-06 22:41:22,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:22" (3/3) ... [2023-11-06 22:41:22,203 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2023-11-06 22:41:22,218 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:41:22,218 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:41:22,274 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:41:22,281 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;@1d2c20bb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:41:22,281 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:41:22,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 86 states have internal predecessors, (106), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:41:22,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 22:41:22,297 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:22,298 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:22,298 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:22,304 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:22,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1691208954, now seen corresponding path program 1 times [2023-11-06 22:41:22,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:22,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784026691] [2023-11-06 22:41:22,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:22,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:22,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:41:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:22,628 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 22:41:22,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:22,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784026691] [2023-11-06 22:41:22,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784026691] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:22,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:22,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:41:22,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101566682] [2023-11-06 22:41:22,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:22,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:41:22,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:22,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:41:22,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:41:22,698 INFO L87 Difference]: Start difference. First operand has 101 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 86 states have internal predecessors, (106), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:41:22,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:22,786 INFO L93 Difference]: Finished difference Result 193 states and 262 transitions. [2023-11-06 22:41:22,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:41:22,788 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2023-11-06 22:41:22,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:22,801 INFO L225 Difference]: With dead ends: 193 [2023-11-06 22:41:22,802 INFO L226 Difference]: Without dead ends: 92 [2023-11-06 22:41:22,808 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 22:41:22,814 INFO L413 NwaCegarLoop]: 128 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, 128 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 22:41:22,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:41:22,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-06 22:41:22,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-11-06 22:41:22,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 78 states have internal predecessors, (92), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-06 22:41:22,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2023-11-06 22:41:22,890 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 25 [2023-11-06 22:41:22,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:22,891 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 119 transitions. [2023-11-06 22:41:22,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:41:22,892 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2023-11-06 22:41:22,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-06 22:41:22,895 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:22,896 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:22,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:41:22,897 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:22,898 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:22,898 INFO L85 PathProgramCache]: Analyzing trace with hash 356391721, now seen corresponding path program 1 times [2023-11-06 22:41:22,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:22,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126569163] [2023-11-06 22:41:22,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:22,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:23,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:41:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:23,030 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 22:41:23,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:23,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126569163] [2023-11-06 22:41:23,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126569163] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:23,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:23,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:41:23,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570173237] [2023-11-06 22:41:23,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:23,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:41:23,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:23,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:41:23,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:41:23,036 INFO L87 Difference]: Start difference. First operand 92 states and 119 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:41:23,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:23,057 INFO L93 Difference]: Finished difference Result 144 states and 186 transitions. [2023-11-06 22:41:23,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:41:23,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2023-11-06 22:41:23,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:23,060 INFO L225 Difference]: With dead ends: 144 [2023-11-06 22:41:23,060 INFO L226 Difference]: Without dead ends: 83 [2023-11-06 22:41:23,062 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 22:41:23,063 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 17 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 190 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 22:41:23,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:41:23,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-06 22:41:23,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-06 22:41:23,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 64 states have (on average 1.328125) internal successors, (85), 72 states have internal predecessors, (85), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:41:23,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2023-11-06 22:41:23,076 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 26 [2023-11-06 22:41:23,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:23,077 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2023-11-06 22:41:23,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:41:23,078 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2023-11-06 22:41:23,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 22:41:23,079 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:23,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:23,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:41:23,080 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:23,081 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:23,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1826063129, now seen corresponding path program 1 times [2023-11-06 22:41:23,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:23,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785554678] [2023-11-06 22:41:23,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:23,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:23,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:41:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:23,251 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 22:41:23,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:23,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785554678] [2023-11-06 22:41:23,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785554678] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:23,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:23,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:41:23,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484317120] [2023-11-06 22:41:23,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:23,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:41:23,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:23,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:41:23,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:41:23,256 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:41:23,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:23,430 INFO L93 Difference]: Finished difference Result 201 states and 263 transitions. [2023-11-06 22:41:23,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:41:23,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2023-11-06 22:41:23,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:23,433 INFO L225 Difference]: With dead ends: 201 [2023-11-06 22:41:23,434 INFO L226 Difference]: Without dead ends: 126 [2023-11-06 22:41:23,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:41:23,436 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 172 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:23,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 359 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:41:23,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-06 22:41:23,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2023-11-06 22:41:23,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 94 states have (on average 1.351063829787234) internal successors, (127), 105 states have internal predecessors, (127), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (17), 12 states have call predecessors, (17), 16 states have call successors, (17) [2023-11-06 22:41:23,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 160 transitions. [2023-11-06 22:41:23,463 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 160 transitions. Word has length 31 [2023-11-06 22:41:23,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:23,464 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 160 transitions. [2023-11-06 22:41:23,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:41:23,465 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 160 transitions. [2023-11-06 22:41:23,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-06 22:41:23,467 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:23,467 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:23,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:41:23,468 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:23,468 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:23,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1496608149, now seen corresponding path program 1 times [2023-11-06 22:41:23,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:23,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761401131] [2023-11-06 22:41:23,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:23,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:23,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:41:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:23,621 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 22:41:23,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:23,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761401131] [2023-11-06 22:41:23,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761401131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:23,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:23,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:41:23,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30588394] [2023-11-06 22:41:23,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:23,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:41:23,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:23,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:41:23,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:41:23,631 INFO L87 Difference]: Start difference. First operand 123 states and 160 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:41:23,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:23,759 INFO L93 Difference]: Finished difference Result 281 states and 375 transitions. [2023-11-06 22:41:23,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:41:23,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2023-11-06 22:41:23,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:23,766 INFO L225 Difference]: With dead ends: 281 [2023-11-06 22:41:23,766 INFO L226 Difference]: Without dead ends: 166 [2023-11-06 22:41:23,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:41:23,779 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 81 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:23,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 374 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:41:23,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-11-06 22:41:23,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 158. [2023-11-06 22:41:23,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 121 states have (on average 1.2892561983471074) internal successors, (156), 132 states have internal predecessors, (156), 19 states have call successors, (19), 17 states have call predecessors, (19), 17 states have return successors, (25), 18 states have call predecessors, (25), 19 states have call successors, (25) [2023-11-06 22:41:23,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 200 transitions. [2023-11-06 22:41:23,828 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 200 transitions. Word has length 34 [2023-11-06 22:41:23,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:23,829 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 200 transitions. [2023-11-06 22:41:23,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:41:23,830 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 200 transitions. [2023-11-06 22:41:23,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-06 22:41:23,839 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:23,839 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:23,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:41:23,840 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:23,840 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:23,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1559167371, now seen corresponding path program 1 times [2023-11-06 22:41:23,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:23,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758529569] [2023-11-06 22:41:23,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:23,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:23,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:41:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:23,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:41:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:23,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 22:41:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:23,976 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 22:41:23,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:23,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758529569] [2023-11-06 22:41:23,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758529569] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:23,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:23,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:41:23,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784442869] [2023-11-06 22:41:23,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:23,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:41:23,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:23,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:41:23,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:41:23,980 INFO L87 Difference]: Start difference. First operand 158 states and 200 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:41:24,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:24,134 INFO L93 Difference]: Finished difference Result 335 states and 424 transitions. [2023-11-06 22:41:24,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:41:24,135 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2023-11-06 22:41:24,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:24,138 INFO L225 Difference]: With dead ends: 335 [2023-11-06 22:41:24,138 INFO L226 Difference]: Without dead ends: 185 [2023-11-06 22:41:24,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:41:24,140 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 97 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:24,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 251 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:41:24,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2023-11-06 22:41:24,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 181. [2023-11-06 22:41:24,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 139 states have (on average 1.2733812949640289) internal successors, (177), 150 states have internal predecessors, (177), 21 states have call successors, (21), 17 states have call predecessors, (21), 20 states have return successors, (28), 22 states have call predecessors, (28), 21 states have call successors, (28) [2023-11-06 22:41:24,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 226 transitions. [2023-11-06 22:41:24,171 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 226 transitions. Word has length 56 [2023-11-06 22:41:24,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:24,172 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 226 transitions. [2023-11-06 22:41:24,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:41:24,172 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 226 transitions. [2023-11-06 22:41:24,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-06 22:41:24,174 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:24,174 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] [2023-11-06 22:41:24,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:41:24,174 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:24,175 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:24,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1570330873, now seen corresponding path program 1 times [2023-11-06 22:41:24,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:24,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237720571] [2023-11-06 22:41:24,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:24,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:24,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:41:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:24,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:41:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:24,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:41:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:24,332 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 22:41:24,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:24,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237720571] [2023-11-06 22:41:24,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237720571] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:24,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:24,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:41:24,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015692398] [2023-11-06 22:41:24,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:24,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:41:24,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:24,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:41:24,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:41:24,335 INFO L87 Difference]: Start difference. First operand 181 states and 226 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 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 22:41:24,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:24,554 INFO L93 Difference]: Finished difference Result 364 states and 465 transitions. [2023-11-06 22:41:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:41:24,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 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 53 [2023-11-06 22:41:24,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:24,557 INFO L225 Difference]: With dead ends: 364 [2023-11-06 22:41:24,558 INFO L226 Difference]: Without dead ends: 191 [2023-11-06 22:41:24,559 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 22:41:24,560 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 67 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:24,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 375 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:41:24,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-11-06 22:41:24,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 184. [2023-11-06 22:41:24,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 142 states have (on average 1.267605633802817) internal successors, (180), 153 states have internal predecessors, (180), 21 states have call successors, (21), 17 states have call predecessors, (21), 20 states have return successors, (28), 22 states have call predecessors, (28), 21 states have call successors, (28) [2023-11-06 22:41:24,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 229 transitions. [2023-11-06 22:41:24,587 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 229 transitions. Word has length 53 [2023-11-06 22:41:24,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:24,587 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 229 transitions. [2023-11-06 22:41:24,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 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 22:41:24,588 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 229 transitions. [2023-11-06 22:41:24,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-06 22:41:24,589 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:24,589 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] [2023-11-06 22:41:24,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:41:24,590 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:24,590 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:24,590 INFO L85 PathProgramCache]: Analyzing trace with hash -801408389, now seen corresponding path program 1 times [2023-11-06 22:41:24,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:24,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158418859] [2023-11-06 22:41:24,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:24,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:24,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:41:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:24,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:41:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:24,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:41:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:24,733 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 22:41:24,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:24,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158418859] [2023-11-06 22:41:24,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158418859] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:24,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:24,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:41:24,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061115859] [2023-11-06 22:41:24,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:24,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:41:24,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:24,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:41:24,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:41:24,736 INFO L87 Difference]: Start difference. First operand 184 states and 229 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 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 22:41:24,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:24,887 INFO L93 Difference]: Finished difference Result 370 states and 470 transitions. [2023-11-06 22:41:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:41:24,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 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 53 [2023-11-06 22:41:24,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:24,893 INFO L225 Difference]: With dead ends: 370 [2023-11-06 22:41:24,893 INFO L226 Difference]: Without dead ends: 194 [2023-11-06 22:41:24,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:41:24,896 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 69 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:24,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 294 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:41:24,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2023-11-06 22:41:24,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 186. [2023-11-06 22:41:24,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 144 states have (on average 1.2638888888888888) internal successors, (182), 155 states have internal predecessors, (182), 21 states have call successors, (21), 17 states have call predecessors, (21), 20 states have return successors, (28), 22 states have call predecessors, (28), 21 states have call successors, (28) [2023-11-06 22:41:24,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 231 transitions. [2023-11-06 22:41:24,930 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 231 transitions. Word has length 53 [2023-11-06 22:41:24,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:24,933 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 231 transitions. [2023-11-06 22:41:24,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 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 22:41:24,933 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 231 transitions. [2023-11-06 22:41:24,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-06 22:41:24,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:24,935 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] [2023-11-06 22:41:24,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:41:24,935 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:24,936 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:24,936 INFO L85 PathProgramCache]: Analyzing trace with hash 584795005, now seen corresponding path program 1 times [2023-11-06 22:41:24,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:24,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165295969] [2023-11-06 22:41:24,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:24,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:25,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:41:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:25,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:41:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:25,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:41:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:25,106 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 22:41:25,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:25,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165295969] [2023-11-06 22:41:25,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165295969] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:25,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:25,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:41:25,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013607531] [2023-11-06 22:41:25,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:25,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:41:25,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:25,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:41:25,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:41:25,108 INFO L87 Difference]: Start difference. First operand 186 states and 231 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 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 22:41:25,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:25,376 INFO L93 Difference]: Finished difference Result 557 states and 715 transitions. [2023-11-06 22:41:25,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:41:25,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 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 53 [2023-11-06 22:41:25,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:25,380 INFO L225 Difference]: With dead ends: 557 [2023-11-06 22:41:25,380 INFO L226 Difference]: Without dead ends: 379 [2023-11-06 22:41:25,382 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 22:41:25,382 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 222 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:25,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 314 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:41:25,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2023-11-06 22:41:25,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 377. [2023-11-06 22:41:25,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 289 states have (on average 1.2387543252595157) internal successors, (358), 308 states have internal predecessors, (358), 45 states have call successors, (45), 42 states have call predecessors, (45), 42 states have return successors, (65), 44 states have call predecessors, (65), 45 states have call successors, (65) [2023-11-06 22:41:25,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 468 transitions. [2023-11-06 22:41:25,428 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 468 transitions. Word has length 53 [2023-11-06 22:41:25,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:25,429 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 468 transitions. [2023-11-06 22:41:25,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 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 22:41:25,430 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 468 transitions. [2023-11-06 22:41:25,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-06 22:41:25,431 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:25,431 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:25,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:41:25,432 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:25,432 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:25,432 INFO L85 PathProgramCache]: Analyzing trace with hash -2002712797, now seen corresponding path program 1 times [2023-11-06 22:41:25,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:25,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22080319] [2023-11-06 22:41:25,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:25,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:25,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:41:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:25,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:41:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:25,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:41:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:25,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:41:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:25,663 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 22:41:25,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:25,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22080319] [2023-11-06 22:41:25,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22080319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:25,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:25,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:41:25,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186192267] [2023-11-06 22:41:25,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:25,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:41:25,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:25,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:41:25,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:41:25,667 INFO L87 Difference]: Start difference. First operand 377 states and 468 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 7 states have internal predecessors, (46), 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 22:41:26,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:26,572 INFO L93 Difference]: Finished difference Result 1196 states and 1548 transitions. [2023-11-06 22:41:26,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-06 22:41:26,573 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 7 states have internal predecessors, (46), 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 57 [2023-11-06 22:41:26,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:26,580 INFO L225 Difference]: With dead ends: 1196 [2023-11-06 22:41:26,580 INFO L226 Difference]: Without dead ends: 827 [2023-11-06 22:41:26,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=720, Unknown=0, NotChecked=0, Total=930 [2023-11-06 22:41:26,583 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 496 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:26,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 536 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:41:26,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2023-11-06 22:41:26,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 793. [2023-11-06 22:41:26,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 599 states have (on average 1.2070116861435727) internal successors, (723), 645 states have internal predecessors, (723), 101 states have call successors, (101), 82 states have call predecessors, (101), 92 states have return successors, (169), 99 states have call predecessors, (169), 101 states have call successors, (169) [2023-11-06 22:41:26,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 993 transitions. [2023-11-06 22:41:26,688 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 993 transitions. Word has length 57 [2023-11-06 22:41:26,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:26,689 INFO L495 AbstractCegarLoop]: Abstraction has 793 states and 993 transitions. [2023-11-06 22:41:26,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 7 states have internal predecessors, (46), 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 22:41:26,689 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 993 transitions. [2023-11-06 22:41:26,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-06 22:41:26,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:26,693 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, 1, 1] [2023-11-06 22:41:26,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:41:26,694 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:26,694 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:26,694 INFO L85 PathProgramCache]: Analyzing trace with hash 984940751, now seen corresponding path program 1 times [2023-11-06 22:41:26,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:26,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419003313] [2023-11-06 22:41:26,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:26,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:26,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:41:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:26,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:41:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:26,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:41:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:26,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:41:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:26,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:41:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:26,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:41:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:26,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:41:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:26,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:41:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:26,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-06 22:41:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:26,882 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-06 22:41:26,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:26,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419003313] [2023-11-06 22:41:26,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419003313] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:41:26,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923442570] [2023-11-06 22:41:26,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:26,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:26,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:26,891 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:26,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:41:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:27,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:41:27,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:27,184 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 22:41:27,185 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:27,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923442570] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:27,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:41:27,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2023-11-06 22:41:27,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880965424] [2023-11-06 22:41:27,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:27,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:41:27,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:27,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:41:27,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:41:27,192 INFO L87 Difference]: Start difference. First operand 793 states and 993 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-06 22:41:27,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:27,342 INFO L93 Difference]: Finished difference Result 1184 states and 1520 transitions. [2023-11-06 22:41:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:41:27,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 100 [2023-11-06 22:41:27,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:27,354 INFO L225 Difference]: With dead ends: 1184 [2023-11-06 22:41:27,355 INFO L226 Difference]: Without dead ends: 1182 [2023-11-06 22:41:27,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:41:27,357 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 55 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:27,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 201 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:41:27,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2023-11-06 22:41:27,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1026. [2023-11-06 22:41:27,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 777 states have (on average 1.2187902187902189) internal successors, (947), 838 states have internal predecessors, (947), 132 states have call successors, (132), 104 states have call predecessors, (132), 116 states have return successors, (257), 122 states have call predecessors, (257), 132 states have call successors, (257) [2023-11-06 22:41:27,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1336 transitions. [2023-11-06 22:41:27,527 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1336 transitions. Word has length 100 [2023-11-06 22:41:27,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:27,528 INFO L495 AbstractCegarLoop]: Abstraction has 1026 states and 1336 transitions. [2023-11-06 22:41:27,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-06 22:41:27,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1336 transitions. [2023-11-06 22:41:27,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:41:27,544 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:27,544 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:27,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:27,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:41:27,750 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:27,751 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:27,751 INFO L85 PathProgramCache]: Analyzing trace with hash -343596059, now seen corresponding path program 1 times [2023-11-06 22:41:27,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:27,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099168933] [2023-11-06 22:41:27,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:27,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:27,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:41:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:27,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:41:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:41:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:41:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:41:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:41:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:41:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:41:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:41:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:41:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 22:41:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:41:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-06 22:41:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,187 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 59 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-06 22:41:28,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:28,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099168933] [2023-11-06 22:41:28,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099168933] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:41:28,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86781278] [2023-11-06 22:41:28,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:28,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:28,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:28,189 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:28,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:41:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:41:28,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:28,698 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:41:28,698 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:41:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 12 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-06 22:41:28,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86781278] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:41:28,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:41:28,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 18 [2023-11-06 22:41:28,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842626694] [2023-11-06 22:41:28,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:41:28,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-06 22:41:28,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:28,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-06 22:41:28,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:41:28,965 INFO L87 Difference]: Start difference. First operand 1026 states and 1336 transitions. Second operand has 18 states, 18 states have (on average 8.11111111111111) internal successors, (146), 15 states have internal predecessors, (146), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2023-11-06 22:41:31,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:31,950 INFO L93 Difference]: Finished difference Result 3344 states and 5344 transitions. [2023-11-06 22:41:31,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-06 22:41:31,951 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.11111111111111) internal successors, (146), 15 states have internal predecessors, (146), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 142 [2023-11-06 22:41:31,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:31,975 INFO L225 Difference]: With dead ends: 3344 [2023-11-06 22:41:31,975 INFO L226 Difference]: Without dead ends: 2490 [2023-11-06 22:41:31,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 309 SyntacticMatches, 4 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 827 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=731, Invalid=2349, Unknown=0, NotChecked=0, Total=3080 [2023-11-06 22:41:31,988 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 786 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 2337 mSolverCounterSat, 287 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 2624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 287 IncrementalHoareTripleChecker+Valid, 2337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:31,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 1100 Invalid, 2624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [287 Valid, 2337 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-06 22:41:31,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2490 states. [2023-11-06 22:41:32,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2490 to 1501. [2023-11-06 22:41:32,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1501 states, 1130 states have (on average 1.2097345132743362) internal successors, (1367), 1209 states have internal predecessors, (1367), 196 states have call successors, (196), 165 states have call predecessors, (196), 174 states have return successors, (351), 174 states have call predecessors, (351), 196 states have call successors, (351) [2023-11-06 22:41:32,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1501 states and 1914 transitions. [2023-11-06 22:41:32,259 INFO L78 Accepts]: Start accepts. Automaton has 1501 states and 1914 transitions. Word has length 142 [2023-11-06 22:41:32,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:32,259 INFO L495 AbstractCegarLoop]: Abstraction has 1501 states and 1914 transitions. [2023-11-06 22:41:32,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.11111111111111) internal successors, (146), 15 states have internal predecessors, (146), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2023-11-06 22:41:32,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 1914 transitions. [2023-11-06 22:41:32,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:41:32,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:32,268 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:41:32,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:32,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:41:32,474 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:32,474 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:32,475 INFO L85 PathProgramCache]: Analyzing trace with hash 310639909, now seen corresponding path program 1 times [2023-11-06 22:41:32,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:32,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741302979] [2023-11-06 22:41:32,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:32,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:32,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:41:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:32,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:41:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:32,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:41:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:32,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:41:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:32,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:41:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:32,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:41:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:32,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:41:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:32,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:41:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:32,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:41:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:32,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:41:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:32,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 22:41:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:32,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:41:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:32,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-06 22:41:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:32,724 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-06 22:41:32,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:32,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741302979] [2023-11-06 22:41:32,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741302979] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:32,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:32,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:41:32,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420630592] [2023-11-06 22:41:32,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:32,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:41:32,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:32,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:41:32,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:41:32,728 INFO L87 Difference]: Start difference. First operand 1501 states and 1914 transitions. Second operand has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 7 states have internal predecessors, (89), 2 states have call successors, (10), 6 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:41:33,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:33,407 INFO L93 Difference]: Finished difference Result 2114 states and 2646 transitions. [2023-11-06 22:41:33,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:41:33,408 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 7 states have internal predecessors, (89), 2 states have call successors, (10), 6 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 142 [2023-11-06 22:41:33,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:33,409 INFO L225 Difference]: With dead ends: 2114 [2023-11-06 22:41:33,409 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:41:33,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:41:33,416 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 209 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:33,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 219 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:41:33,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:41:33,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:41:33,417 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 22:41:33,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:41:33,418 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 142 [2023-11-06 22:41:33,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:33,418 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:41:33,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 7 states have internal predecessors, (89), 2 states have call successors, (10), 6 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:41:33,418 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:41:33,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:41:33,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:41:33,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:41:33,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:41:40,601 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 862 869) no Hoare annotation was computed. [2023-11-06 22:41:40,601 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 862 869) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2023-11-06 22:41:40,602 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 862 869) no Hoare annotation was computed. [2023-11-06 22:41:40,602 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 777 783) no Hoare annotation was computed. [2023-11-06 22:41:40,602 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 777 783) the Hoare annotation is: true [2023-11-06 22:41:40,602 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 84 95) the Hoare annotation is: (let ((.cse0 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse0) (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 0) (< ~waterLevel~0 2) (= 0 ~systemActive~0) .cse0))) [2023-11-06 22:41:40,602 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 84 95) no Hoare annotation was computed. [2023-11-06 22:41:40,603 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2023-11-06 22:41:40,603 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2023-11-06 22:41:40,603 INFO L895 garLoopResultBuilder]: At program point L64-2(lines 60 71) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methAndRunningLastTime~0 0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse2 .cse0) (or .cse2 (not .cse1)))) [2023-11-06 22:41:40,603 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1016) no Hoare annotation was computed. [2023-11-06 22:41:40,603 INFO L895 garLoopResultBuilder]: At program point isLowWaterSensorDry_returnLabel#1(lines 151 159) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (= ~methAndRunningLastTime~0 0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse1) (or .cse2 .cse0) (or .cse2 (not .cse1)))) [2023-11-06 22:41:40,604 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 753 776) no Hoare annotation was computed. [2023-11-06 22:41:40,604 INFO L895 garLoopResultBuilder]: At program point L825(line 825) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse1 (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (not .cse2)))) [2023-11-06 22:41:40,604 INFO L895 garLoopResultBuilder]: At program point L821(line 821) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse1) (or .cse2 .cse0) (or .cse2 (not .cse1)))) [2023-11-06 22:41:40,605 INFO L895 garLoopResultBuilder]: At program point L1003(line 1003) the Hoare annotation is: (let ((.cse10 (= 0 ~systemActive~0)) (.cse9 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not .cse9)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not .cse10))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4) (let ((.cse8 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse5 (< |old(~waterLevel~0)| 2) (and .cse6 .cse7 .cse8 .cse4) .cse9 .cse10 (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse1 (<= 1 |timeShift_isLowWaterLevel_#res#1|) .cse8))) (or .cse0 .cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) (and .cse6 .cse7 .cse2 .cse4))))) [2023-11-06 22:41:40,605 INFO L899 garLoopResultBuilder]: For program point L1003-1(line 1003) no Hoare annotation was computed. [2023-11-06 22:41:40,605 INFO L899 garLoopResultBuilder]: For program point L165(line 165) no Hoare annotation was computed. [2023-11-06 22:41:40,605 INFO L895 garLoopResultBuilder]: At program point L830(line 830) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not .cse2)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse1 (< |old(~waterLevel~0)| 2) .cse2 .cse3) (or .cse0 (not .cse3))))) [2023-11-06 22:41:40,606 INFO L895 garLoopResultBuilder]: At program point L830-1(lines 811 835) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0)) (.cse5 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse7 (not .cse5)) (.cse4 (not .cse6))) (and (let ((.cse1 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse0 (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) (= ~pumpRunning~0 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse1) (< |old(~waterLevel~0)| 2) (and .cse2 .cse3 .cse1 .cse4) .cse5 .cse6)) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse7 .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (and .cse2 .cse3 .cse8 .cse4))) (or .cse7 .cse4)))) [2023-11-06 22:41:40,606 INFO L899 garLoopResultBuilder]: For program point L764-1(lines 764 770) no Hoare annotation was computed. [2023-11-06 22:41:40,606 INFO L899 garLoopResultBuilder]: For program point L954(lines 954 958) no Hoare annotation was computed. [2023-11-06 22:41:40,606 INFO L899 garLoopResultBuilder]: For program point L954-2(lines 954 958) no Hoare annotation was computed. [2023-11-06 22:41:40,606 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 161 168) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse1 (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (not .cse2)))) [2023-11-06 22:41:40,607 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 753 776) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4)) (or .cse0 (and .cse2 .cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not .cse5)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse4) .cse1 (< |old(~waterLevel~0)| 2) .cse5))) [2023-11-06 22:41:40,607 INFO L895 garLoopResultBuilder]: At program point isLowWaterLevel_returnLabel#1(lines 945 963) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (= ~methAndRunningLastTime~0 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (= |timeShift_isLowWaterLevel_~tmp~9#1| 0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (< |old(~waterLevel~0)| 2) .cse1) (or .cse2 .cse0) (or .cse2 (not .cse1)))) [2023-11-06 22:41:40,607 INFO L899 garLoopResultBuilder]: For program point L757-1(lines 756 775) no Hoare annotation was computed. [2023-11-06 22:41:40,607 INFO L899 garLoopResultBuilder]: For program point L819(lines 819 827) no Hoare annotation was computed. [2023-11-06 22:41:40,607 INFO L899 garLoopResultBuilder]: For program point L1009(lines 1009 1019) no Hoare annotation was computed. [2023-11-06 22:41:40,608 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 832) no Hoare annotation was computed. [2023-11-06 22:41:40,608 INFO L899 garLoopResultBuilder]: For program point L1005(lines 1005 1022) no Hoare annotation was computed. [2023-11-06 22:41:40,608 INFO L895 garLoopResultBuilder]: At program point L1005-1(lines 997 1025) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse10 (= 0 ~systemActive~0))) (let ((.cse7 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not .cse10)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1| 0)) (.cse9 (< |old(~waterLevel~0)| 2)) (.cse12 (not .cse6))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4) (let ((.cse8 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse4) .cse5 (and .cse2 .cse6 .cse7 .cse8) (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse1 .cse2 (<= 1 |timeShift_isLowWaterLevel_#res#1|) .cse8 .cse4) .cse9 .cse10)) (or .cse0 .cse11 .cse12 .cse4) (or .cse0 .cse5 (and .cse2 .cse7 .cse3) (and .cse1 .cse2 .cse3 .cse4) .cse10) (or .cse0 .cse5 .cse11 .cse12) (or .cse5 .cse11 .cse9 .cse12 .cse10)))) [2023-11-06 22:41:40,608 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 753 776) no Hoare annotation was computed. [2023-11-06 22:41:40,609 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 881 889) the Hoare annotation is: (let ((.cse8 (= |old(~pumpRunning~0)| 0)) (.cse9 (= 0 ~systemActive~0))) (let ((.cse5 (not .cse9)) (.cse7 (< |old(~waterLevel~0)| 2)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse0 (not .cse8)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse6 .cse7 (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse1 .cse2 (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (and .cse1 .cse2 .cse8) .cse9) (or .cse0 .cse10 .cse5) (or .cse6 .cse7 .cse10 .cse9) (or .cse0 .cse6 (and .cse1 .cse2 .cse8 .cse3 .cse4)) (or .cse0 .cse6 .cse10)))) [2023-11-06 22:41:40,610 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 165) no Hoare annotation was computed. [2023-11-06 22:41:40,610 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2023-11-06 22:41:40,610 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 172 201) no Hoare annotation was computed. [2023-11-06 22:41:40,611 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 190) no Hoare annotation was computed. [2023-11-06 22:41:40,611 INFO L902 garLoopResultBuilder]: At program point L186-1(lines 186 190) the Hoare annotation is: true [2023-11-06 22:41:40,611 INFO L899 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2023-11-06 22:41:40,611 INFO L902 garLoopResultBuilder]: At program point L182-2(lines 182 196) the Hoare annotation is: true [2023-11-06 22:41:40,611 INFO L902 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: true [2023-11-06 22:41:40,611 INFO L899 garLoopResultBuilder]: For program point L178-1(line 178) no Hoare annotation was computed. [2023-11-06 22:41:40,612 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 172 201) the Hoare annotation is: true [2023-11-06 22:41:40,612 INFO L902 garLoopResultBuilder]: At program point L197(lines 172 201) the Hoare annotation is: true [2023-11-06 22:41:40,612 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 96 104) the Hoare annotation is: true [2023-11-06 22:41:40,612 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 96 104) no Hoare annotation was computed. [2023-11-06 22:41:40,612 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 96 104) no Hoare annotation was computed. [2023-11-06 22:41:40,612 INFO L895 garLoopResultBuilder]: At program point startSystem_returnLabel#1(lines 979 986) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2023-11-06 22:41:40,613 INFO L902 garLoopResultBuilder]: At program point L374(lines 311 378) the Hoare annotation is: true [2023-11-06 22:41:40,613 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 347) no Hoare annotation was computed. [2023-11-06 22:41:40,622 INFO L899 garLoopResultBuilder]: For program point L341-1(lines 341 347) no Hoare annotation was computed. [2023-11-06 22:41:40,623 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 236 246) the Hoare annotation is: true [2023-11-06 22:41:40,623 INFO L895 garLoopResultBuilder]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 (not (= 0 ~systemActive~0))))) [2023-11-06 22:41:40,623 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 285 291) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:41:40,623 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 250 272) the Hoare annotation is: true [2023-11-06 22:41:40,624 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:41:40,624 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:41:40,624 INFO L895 garLoopResultBuilder]: At program point L371(lines 320 372) the Hoare annotation is: false [2023-11-06 22:41:40,624 INFO L895 garLoopResultBuilder]: At program point L970(line 970) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2023-11-06 22:41:40,624 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 227 233) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:41:40,625 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 365) no Hoare annotation was computed. [2023-11-06 22:41:40,625 INFO L895 garLoopResultBuilder]: At program point L359-2(lines 351 366) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 (not .cse5)) (and .cse0 .cse2 .cse3 .cse4 .cse5))) [2023-11-06 22:41:40,625 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 267) no Hoare annotation was computed. [2023-11-06 22:41:40,625 INFO L899 garLoopResultBuilder]: For program point L322(lines 321 370) no Hoare annotation was computed. [2023-11-06 22:41:40,626 INFO L899 garLoopResultBuilder]: For program point L260-2(lines 260 267) no Hoare annotation was computed. [2023-11-06 22:41:40,626 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:41:40,627 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 366) no Hoare annotation was computed. [2023-11-06 22:41:40,628 INFO L895 garLoopResultBuilder]: At program point L343(line 343) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 (not (= 0 ~systemActive~0))))) [2023-11-06 22:41:40,628 INFO L895 garLoopResultBuilder]: At program point L368(lines 321 370) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 (not (= 0 ~systemActive~0))))) [2023-11-06 22:41:40,628 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 337) no Hoare annotation was computed. [2023-11-06 22:41:40,628 INFO L899 garLoopResultBuilder]: For program point L331-1(lines 331 337) no Hoare annotation was computed. [2023-11-06 22:41:40,628 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:41:40,629 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 292 298) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:41:40,629 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 327) no Hoare annotation was computed. [2023-11-06 22:41:40,629 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification2_spec__1_returnLabel#1(lines 989 996) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:41:40,629 INFO L895 garLoopResultBuilder]: At program point stopSystem_returnLabel#1(lines 964 978) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 0 ~systemActive~0)) [2023-11-06 22:41:40,629 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 299 307) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:41:40,630 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 974) no Hoare annotation was computed. [2023-11-06 22:41:40,630 INFO L899 garLoopResultBuilder]: For program point L968-1(lines 968 974) no Hoare annotation was computed. [2023-11-06 22:41:40,630 INFO L895 garLoopResultBuilder]: At program point L799(line 799) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| 0)) (.cse2 (= 0 ~systemActive~0))) (let ((.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (= ~waterLevel~0 0))) (.cse1 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0) .cse4 (not .cse2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not .cse4) .cse1 .cse2 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2)))) [2023-11-06 22:41:40,630 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 801) no Hoare annotation was computed. [2023-11-06 22:41:40,630 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 806) no Hoare annotation was computed. [2023-11-06 22:41:40,630 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2023-11-06 22:41:40,631 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 785 809) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~waterLevel~0 0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse2 .cse3))) [2023-11-06 22:41:40,632 INFO L895 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~waterLevel~0 0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3))) [2023-11-06 22:41:40,632 INFO L899 garLoopResultBuilder]: For program point L804-1(lines 785 809) no Hoare annotation was computed. [2023-11-06 22:41:40,633 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 137 150) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 0))) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~systemActive~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= ~methaneLevelCritical~0 0)) .cse4) (or .cse0 .cse2 .cse4 .cse5) (or (not .cse2) (and .cse1 .cse3) (and .cse1 (<= 2 ~waterLevel~0)) .cse4 .cse5))) [2023-11-06 22:41:40,633 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 926 944) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse4 (= |old(~pumpRunning~0)| 0)) (.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (not (= ~waterLevel~0 0))) (.cse1 (and .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) .cse4 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (not .cse2))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) (or (not .cse4) .cse1 (and .cse5 (<= 2 ~waterLevel~0)) .cse2 .cse3)))) [2023-11-06 22:41:40,633 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 785 809) no Hoare annotation was computed. [2023-11-06 22:41:40,633 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 858) no Hoare annotation was computed. [2023-11-06 22:41:40,634 INFO L895 garLoopResultBuilder]: At program point L852-2(lines 845 861) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (not (= ~waterLevel~0 0))) (.cse2 (= 0 ~systemActive~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not .cse1) .cse2) (let ((.cse3 (<= 2 ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse1 .cse3) .cse2 .cse4 (and (= ~pumpRunning~0 0) .cse3 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~7#1|) (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| ~methaneLevelCritical~0)))) (or .cse0 .cse2 .cse4))) [2023-11-06 22:41:40,634 INFO L895 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 .cse1 .cse2) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0)) .cse1 .cse2))) [2023-11-06 22:41:40,634 INFO L899 garLoopResultBuilder]: For program point L875-1(line 875) no Hoare annotation was computed. [2023-11-06 22:41:40,635 INFO L895 garLoopResultBuilder]: At program point isMethaneAlarm_returnLabel#1(lines 870 880) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (not (= ~waterLevel~0 0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not .cse1) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (or .cse1 (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| ~methaneLevelCritical~0))) .cse2 .cse3) (or .cse0 .cse2 .cse3))) [2023-11-06 22:41:40,635 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 939) no Hoare annotation was computed. [2023-11-06 22:41:40,635 INFO L899 garLoopResultBuilder]: For program point L935-2(lines 935 939) no Hoare annotation was computed. [2023-11-06 22:41:40,636 INFO L895 garLoopResultBuilder]: At program point activatePump__wrappee__lowWaterSensor_returnLabel#1(lines 836 843) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not .cse1) .cse2) (or .cse0 .cse2 .cse3) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse1 (<= 2 ~waterLevel~0)) .cse2 .cse3))) [2023-11-06 22:41:40,636 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2023-11-06 22:41:40,636 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2023-11-06 22:41:40,636 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 72 83) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or (< |old(~waterLevel~0)| 2) (not (= ~methaneLevelCritical~0 0)) .cse0 (= 0 ~systemActive~0) .cse1))) [2023-11-06 22:41:40,639 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:40,641 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:41:40,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:41:40 BoogieIcfgContainer [2023-11-06 22:41:40,716 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:41:40,716 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:41:40,717 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:41:40,717 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:41:40,717 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:22" (3/4) ... [2023-11-06 22:41:40,719 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:41:40,724 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-06 22:41:40,724 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-06 22:41:40,724 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-06 22:41:40,724 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-06 22:41:40,724 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-06 22:41:40,724 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-06 22:41:40,725 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:41:40,725 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-06 22:41:40,741 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-06 22:41:40,741 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 22:41:40,742 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:41:40,743 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:41:40,744 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:41:40,775 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:41:40,776 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:41:40,776 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:41:40,776 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) || (((((((methAndRunningLastTime == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (2 <= waterLevel)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-06 22:41:40,777 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (\old(waterLevel) <= (waterLevel + 1))) || !((\old(methAndRunningLastTime) == 0))) || (\old(waterLevel) < 2)) || (0 == systemActive)) && (!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:41:40,777 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(methAndRunningLastTime) == 0)) || (((((\result == 0) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= tmp)) && (\old(waterLevel) <= (waterLevel + 1)))) || (\old(waterLevel) < 2)) || ((((methaneLevelCritical == 0) && (2 <= waterLevel)) && (\old(waterLevel) <= (waterLevel + 1))) && !((0 == systemActive)))) || (\old(pumpRunning) == 0)) || (0 == systemActive)) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || ((((methaneLevelCritical == 0) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel)) && !((0 == systemActive))))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:41:40,778 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive))) && ((((((((pumpRunning == \old(pumpRunning)) && (pumpRunning == 0)) && !((0 == systemActive))) || !((\old(methAndRunningLastTime) == 0))) || ((((methAndRunningLastTime == 0) && (methaneLevelCritical == 0)) && (2 <= waterLevel)) && (\old(waterLevel) <= (waterLevel + 1)))) || ((((((\result == 0) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (\old(waterLevel) <= (waterLevel + 1))) && !((0 == systemActive)))) || (\old(waterLevel) < 2)) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || (tmp == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((methAndRunningLastTime == 0) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel)) && !((0 == systemActive)))) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (tmp == 0)) || !((methaneLevelCritical == 0)))) && ((((!((\old(methAndRunningLastTime) == 0)) || (tmp == 0)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (0 == systemActive))) [2023-11-06 22:41:40,779 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methAndRunningLastTime == 0) && (\result == 1)) && (tmp == 1)) && (2 <= waterLevel)) && (splverifierCounter == 0)) && !((0 == systemActive))) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-06 22:41:40,779 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((waterLevel == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && (((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (2 <= waterLevel)) && ((methaneLevelCritical == 0) || (\result == methaneLevelCritical)))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) && ((!((waterLevel == 0)) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) [2023-11-06 22:41:40,779 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || ((((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || !((0 == systemActive))) && ((((!((\old(methAndRunningLastTime) == 0)) || (\old(waterLevel) < 2)) || (((((\result == 0) && (pumpRunning == 0)) && (\result == 0)) && (1 <= \result)) && (\old(waterLevel) <= (waterLevel + 1)))) || (((pumpRunning == 0) && (\result == 0)) && (\old(pumpRunning) == 0))) || (0 == systemActive))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && (((!((\old(methAndRunningLastTime) == 0)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (0 == systemActive))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((((pumpRunning == 0) && (\result == 0)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime)))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0)))) [2023-11-06 22:41:40,779 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(methAndRunningLastTime) == 0)) || (\old(waterLevel) < 2)) || ((((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (methAndRunningLastTime == 0)) && (\old(waterLevel) <= (waterLevel + 1)))) || (0 == systemActive)) && (!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:41:40,780 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive)) [2023-11-06 22:41:40,780 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((waterLevel == 0)) || (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\result == 1))) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && (((!((waterLevel == 0)) || (\old(pumpRunning) == 0)) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) && ((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\result == 1))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) [2023-11-06 22:41:40,780 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((waterLevel == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && ((((!((\old(pumpRunning) == 0)) || ((methaneLevelCritical == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (methaneLevelCritical == tmp)) && (\result == methaneLevelCritical)))) && ((!((waterLevel == 0)) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) [2023-11-06 22:41:40,781 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((waterLevel == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && ((!((waterLevel == 0)) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) && (((!((\old(pumpRunning) == 0)) || ((methaneLevelCritical == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) [2023-11-06 22:41:40,781 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(methAndRunningLastTime) == 0)) || (((((((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (tmp == 0)) && (\old(waterLevel) <= (waterLevel + 1))) && (1 <= tmp___0))) || (\old(waterLevel) < 2)) || (0 == systemActive)) && (!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:41:40,782 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) && ((!((\old(methAndRunningLastTime) == 0)) || (\old(waterLevel) < 2)) || (0 == systemActive))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:41:40,782 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((waterLevel == 0)) || (((((pumpRunning == 0) && (tmp___0 == 0)) && (\old(pumpRunning) == 0)) && (\result == 0)) && !((0 == systemActive)))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) && (((!((waterLevel == 0)) || !((methaneLevelCritical == 0))) || (((((pumpRunning == 0) && (tmp___0 == 0)) && (\old(pumpRunning) == 0)) && (\result == 0)) && !((0 == systemActive)))) || (0 == systemActive))) && ((((!((\old(pumpRunning) == 0)) || (((((pumpRunning == 0) && (tmp___0 == 0)) && (\old(pumpRunning) == 0)) && (\result == 0)) && !((0 == systemActive)))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) [2023-11-06 22:41:40,821 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:41:40,822 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:41:40,822 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:41:40,822 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) || (((((((methAndRunningLastTime == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (2 <= waterLevel)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-06 22:41:40,823 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (\old(waterLevel) <= (waterLevel + 1))) || !((\old(methAndRunningLastTime) == 0))) || (\old(waterLevel) < 2)) || (0 == systemActive)) && (!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:41:40,823 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(methAndRunningLastTime) == 0)) || (((((\result == 0) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= tmp)) && (\old(waterLevel) <= (waterLevel + 1)))) || (\old(waterLevel) < 2)) || ((((methaneLevelCritical == 0) && (2 <= waterLevel)) && (\old(waterLevel) <= (waterLevel + 1))) && !((0 == systemActive)))) || (\old(pumpRunning) == 0)) || (0 == systemActive)) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || ((((methaneLevelCritical == 0) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel)) && !((0 == systemActive))))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:41:40,824 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive))) && ((((((((pumpRunning == \old(pumpRunning)) && (pumpRunning == 0)) && !((0 == systemActive))) || !((\old(methAndRunningLastTime) == 0))) || ((((methAndRunningLastTime == 0) && (methaneLevelCritical == 0)) && (2 <= waterLevel)) && (\old(waterLevel) <= (waterLevel + 1)))) || ((((((\result == 0) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (\old(waterLevel) <= (waterLevel + 1))) && !((0 == systemActive)))) || (\old(waterLevel) < 2)) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || (tmp == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((methAndRunningLastTime == 0) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel)) && !((0 == systemActive)))) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (tmp == 0)) || !((methaneLevelCritical == 0)))) && ((((!((\old(methAndRunningLastTime) == 0)) || (tmp == 0)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (0 == systemActive))) [2023-11-06 22:41:40,824 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methAndRunningLastTime == 0) && (\result == 1)) && (tmp == 1)) && (2 <= waterLevel)) && (splverifierCounter == 0)) && !((0 == systemActive))) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-06 22:41:40,824 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((waterLevel == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && (((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (2 <= waterLevel)) && ((methaneLevelCritical == 0) || (\result == methaneLevelCritical)))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) && ((!((waterLevel == 0)) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) [2023-11-06 22:41:40,824 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || ((((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || !((0 == systemActive))) && ((((!((\old(methAndRunningLastTime) == 0)) || (\old(waterLevel) < 2)) || (((((\result == 0) && (pumpRunning == 0)) && (\result == 0)) && (1 <= \result)) && (\old(waterLevel) <= (waterLevel + 1)))) || (((pumpRunning == 0) && (\result == 0)) && (\old(pumpRunning) == 0))) || (0 == systemActive))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && (((!((\old(methAndRunningLastTime) == 0)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (0 == systemActive))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((((pumpRunning == 0) && (\result == 0)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime)))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0)))) [2023-11-06 22:41:40,824 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(methAndRunningLastTime) == 0)) || (\old(waterLevel) < 2)) || ((((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (methAndRunningLastTime == 0)) && (\old(waterLevel) <= (waterLevel + 1)))) || (0 == systemActive)) && (!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:41:40,825 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive)) [2023-11-06 22:41:40,825 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((waterLevel == 0)) || (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\result == 1))) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && (((!((waterLevel == 0)) || (\old(pumpRunning) == 0)) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) && ((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\result == 1))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) [2023-11-06 22:41:40,825 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((waterLevel == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && ((((!((\old(pumpRunning) == 0)) || ((methaneLevelCritical == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (methaneLevelCritical == tmp)) && (\result == methaneLevelCritical)))) && ((!((waterLevel == 0)) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) [2023-11-06 22:41:40,825 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((waterLevel == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && ((!((waterLevel == 0)) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) && (((!((\old(pumpRunning) == 0)) || ((methaneLevelCritical == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) [2023-11-06 22:41:40,826 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(methAndRunningLastTime) == 0)) || (((((((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (tmp == 0)) && (\old(waterLevel) <= (waterLevel + 1))) && (1 <= tmp___0))) || (\old(waterLevel) < 2)) || (0 == systemActive)) && (!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:41:40,826 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) && ((!((\old(methAndRunningLastTime) == 0)) || (\old(waterLevel) < 2)) || (0 == systemActive))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:41:40,826 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((waterLevel == 0)) || (((((pumpRunning == 0) && (tmp___0 == 0)) && (\old(pumpRunning) == 0)) && (\result == 0)) && !((0 == systemActive)))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) && (((!((waterLevel == 0)) || !((methaneLevelCritical == 0))) || (((((pumpRunning == 0) && (tmp___0 == 0)) && (\old(pumpRunning) == 0)) && (\result == 0)) && !((0 == systemActive)))) || (0 == systemActive))) && ((((!((\old(pumpRunning) == 0)) || (((((pumpRunning == 0) && (tmp___0 == 0)) && (\old(pumpRunning) == 0)) && (\result == 0)) && !((0 == systemActive)))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) [2023-11-06 22:41:40,845 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:41:40,845 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:41:40,845 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:41:40,846 INFO L158 Benchmark]: Toolchain (without parser) took 19879.43ms. Allocated memory was 140.5MB in the beginning and 358.6MB in the end (delta: 218.1MB). Free memory was 94.7MB in the beginning and 313.3MB in the end (delta: -218.6MB). Peak memory consumption was 694.2kB. Max. memory is 16.1GB. [2023-11-06 22:41:40,846 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 140.5MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:41:40,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 571.65ms. Allocated memory is still 140.5MB. Free memory was 94.7MB in the beginning and 75.0MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:41:40,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.13ms. Allocated memory is still 140.5MB. Free memory was 75.0MB in the beginning and 72.5MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:41:40,848 INFO L158 Benchmark]: Boogie Preprocessor took 36.22ms. Allocated memory is still 140.5MB. Free memory was 72.5MB in the beginning and 70.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:41:40,848 INFO L158 Benchmark]: RCFGBuilder took 527.56ms. Allocated memory is still 140.5MB. Free memory was 70.8MB in the beginning and 98.9MB in the end (delta: -28.1MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-11-06 22:41:40,849 INFO L158 Benchmark]: TraceAbstraction took 18520.44ms. Allocated memory was 140.5MB in the beginning and 358.6MB in the end (delta: 218.1MB). Free memory was 98.3MB in the beginning and 321.7MB in the end (delta: -223.4MB). Peak memory consumption was 206.5MB. Max. memory is 16.1GB. [2023-11-06 22:41:40,850 INFO L158 Benchmark]: Witness Printer took 129.13ms. Allocated memory is still 358.6MB. Free memory was 321.7MB in the beginning and 313.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:41:40,853 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 140.5MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 571.65ms. Allocated memory is still 140.5MB. Free memory was 94.7MB in the beginning and 75.0MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.13ms. Allocated memory is still 140.5MB. Free memory was 75.0MB in the beginning and 72.5MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.22ms. Allocated memory is still 140.5MB. Free memory was 72.5MB in the beginning and 70.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 527.56ms. Allocated memory is still 140.5MB. Free memory was 70.8MB in the beginning and 98.9MB in the end (delta: -28.1MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * TraceAbstraction took 18520.44ms. Allocated memory was 140.5MB in the beginning and 358.6MB in the end (delta: 218.1MB). Free memory was 98.3MB in the beginning and 321.7MB in the end (delta: -223.4MB). Peak memory consumption was 206.5MB. Max. memory is 16.1GB. * Witness Printer took 129.13ms. Allocated memory is still 358.6MB. Free memory was 321.7MB in the beginning and 313.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 160]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [160] - GenericResultAtLocation [Line: 169]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [169] - GenericResultAtLocation [Line: 273]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [273] - GenericResultAtLocation [Line: 308]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [308] - GenericResultAtLocation [Line: 379]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [379] - GenericResultAtLocation [Line: 745]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [745] - GenericResultAtLocation [Line: 987]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [987] * 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: 165]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.4s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2321 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2271 mSDsluCounter, 4341 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3144 mSDsCounter, 676 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3967 IncrementalHoareTripleChecker+Invalid, 4643 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 676 mSolverCounterUnsat, 1197 mSDtfsCounter, 3967 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 665 GetRequests, 521 SyntacticMatches, 4 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1084 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1501occurred in iteration=11, InterpolantAutomatonStates: 131, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 1211 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 2139 PreInvPairs, 2494 NumberOfFragments, 1784 HoareAnnotationTreeSize, 2139 FomulaSimplifications, 6045 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 47 FomulaSimplificationsInter, 21240 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1014 NumberOfCodeBlocks, 1014 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1141 ConstructedInterpolants, 0 QuantifiedInterpolants, 2067 SizeOfPredicates, 4 NumberOfNonLiveVariables, 800 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 440/481 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) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 989]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: ((((!((waterLevel == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && ((!((waterLevel == 0)) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) && (((!((\old(pumpRunning) == 0)) || ((methaneLevelCritical == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: (((((!((\old(methAndRunningLastTime) == 0)) || (((((((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (tmp == 0)) && (\old(waterLevel) <= (waterLevel + 1))) && (1 <= tmp___0))) || (\old(waterLevel) < 2)) || (0 == systemActive)) && (!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) || (((((((methAndRunningLastTime == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (2 <= waterLevel)) && (splverifierCounter == 0)) && !((0 == systemActive)))) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (((((((!((\old(pumpRunning) == 0)) || ((((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || !((0 == systemActive))) && ((((!((\old(methAndRunningLastTime) == 0)) || (\old(waterLevel) < 2)) || (((((\result == 0) && (pumpRunning == 0)) && (\result == 0)) && (1 <= \result)) && (\old(waterLevel) <= (waterLevel + 1)))) || (((pumpRunning == 0) && (\result == 0)) && (\old(pumpRunning) == 0))) || (0 == systemActive))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && (((!((\old(methAndRunningLastTime) == 0)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (0 == systemActive))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((((pumpRunning == 0) && (\result == 0)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime)))) && ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0)))) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((((!((waterLevel == 0)) || (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\result == 1))) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && (((!((waterLevel == 0)) || (\old(pumpRunning) == 0)) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) && ((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\result == 1))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (((((!((\old(methAndRunningLastTime) == 0)) || (\old(waterLevel) < 2)) || ((((pumpRunning == \old(pumpRunning)) && (\result == 0)) && (methAndRunningLastTime == 0)) && (\old(waterLevel) <= (waterLevel + 1)))) || (0 == systemActive)) && (!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((((!((waterLevel == 0)) || (((((pumpRunning == 0) && (tmp___0 == 0)) && (\old(pumpRunning) == 0)) && (\result == 0)) && !((0 == systemActive)))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) && (((!((waterLevel == 0)) || !((methaneLevelCritical == 0))) || (((((pumpRunning == 0) && (tmp___0 == 0)) && (\old(pumpRunning) == 0)) && (\result == 0)) && !((0 == systemActive)))) || (0 == systemActive))) && ((((!((\old(pumpRunning) == 0)) || (((((pumpRunning == 0) && (tmp___0 == 0)) && (\old(pumpRunning) == 0)) && (\result == 0)) && !((0 == systemActive)))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive)) - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: (((((((methAndRunningLastTime == 0) && (\result == 1)) && (tmp == 1)) && (2 <= waterLevel)) && (splverifierCounter == 0)) && !((0 == systemActive))) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) && ((!((\old(methAndRunningLastTime) == 0)) || (\old(waterLevel) < 2)) || (0 == systemActive))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (\old(waterLevel) <= (waterLevel + 1))) || !((\old(methAndRunningLastTime) == 0))) || (\old(waterLevel) < 2)) || (0 == systemActive)) && (!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: ((((!((waterLevel == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && (((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (2 <= waterLevel)) && ((methaneLevelCritical == 0) || (\result == methaneLevelCritical)))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) && ((!((waterLevel == 0)) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: ((((!((waterLevel == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && ((((!((\old(pumpRunning) == 0)) || ((methaneLevelCritical == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (methaneLevelCritical == tmp)) && (\result == methaneLevelCritical)))) && ((!((waterLevel == 0)) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: (((((((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive))) && ((((((((pumpRunning == \old(pumpRunning)) && (pumpRunning == 0)) && !((0 == systemActive))) || !((\old(methAndRunningLastTime) == 0))) || ((((methAndRunningLastTime == 0) && (methaneLevelCritical == 0)) && (2 <= waterLevel)) && (\old(waterLevel) <= (waterLevel + 1)))) || ((((((\result == 0) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (\old(waterLevel) <= (waterLevel + 1))) && !((0 == systemActive)))) || (\old(waterLevel) < 2)) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || (tmp == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((methAndRunningLastTime == 0) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel)) && !((0 == systemActive)))) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (tmp == 0)) || !((methaneLevelCritical == 0)))) && ((((!((\old(methAndRunningLastTime) == 0)) || (tmp == 0)) || (\old(waterLevel) < 2)) || !((methaneLevelCritical == 0))) || (0 == systemActive))) - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: (((((((!((\old(methAndRunningLastTime) == 0)) || (((((\result == 0) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= tmp)) && (\old(waterLevel) <= (waterLevel + 1)))) || (\old(waterLevel) < 2)) || ((((methaneLevelCritical == 0) && (2 <= waterLevel)) && (\old(waterLevel) <= (waterLevel + 1))) && !((0 == systemActive)))) || (\old(pumpRunning) == 0)) || (0 == systemActive)) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || ((((methaneLevelCritical == 0) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel)) && !((0 == systemActive))))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:41:40,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f72b6eb-5754-47e0-8a6a-e1aa891a4682/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE