./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34b47c00ac265c7154b048b065075686f0b0d02157935b615817b802464c404c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:10:08,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:10:08,958 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:10:08,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:10:08,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:10:09,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:10:09,017 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:10:09,017 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:10:09,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:10:09,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:10:09,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:10:09,023 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:10:09,023 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:10:09,024 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:10:09,024 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:10:09,025 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:10:09,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:10:09,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:10:09,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:10:09,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:10:09,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:10:09,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:10:09,029 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:10:09,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:10:09,032 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:10:09,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:10:09,033 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:10:09,034 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:10:09,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:10:09,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:10:09,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:10:09,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:10:09,037 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:10:09,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:10:09,038 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:10:09,038 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:10:09,038 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:10:09,039 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:10:09,039 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:10:09,039 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_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34b47c00ac265c7154b048b065075686f0b0d02157935b615817b802464c404c [2023-11-12 02:10:09,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:10:09,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:10:09,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:10:09,464 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:10:09,464 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:10:09,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c [2023-11-12 02:10:13,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:10:13,755 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:10:13,761 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c [2023-11-12 02:10:13,782 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/data/0788e0811/1073b222e7554c449ddc3e997885ed28/FLAG09e5a0e5f [2023-11-12 02:10:13,798 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/data/0788e0811/1073b222e7554c449ddc3e997885ed28 [2023-11-12 02:10:13,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:10:13,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:10:13,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:10:13,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:10:13,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:10:13,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:10:13" (1/1) ... [2023-11-12 02:10:13,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f17df5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:13, skipping insertion in model container [2023-11-12 02:10:13,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:10:13" (1/1) ... [2023-11-12 02:10:13,895 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:10:14,177 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_09ead3c8-7055-431b-9a4f-c0e1c72146d3/sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c[19180,19193] [2023-11-12 02:10:14,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:10:14,197 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:10:14,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-11-12 02:10:14,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [313] [2023-11-12 02:10:14,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [364] [2023-11-12 02:10:14,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [434] [2023-11-12 02:10:14,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [800] [2023-11-12 02:10:14,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [903] [2023-11-12 02:10:14,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1003] [2023-11-12 02:10:14,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1012] [2023-11-12 02:10:14,288 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_09ead3c8-7055-431b-9a4f-c0e1c72146d3/sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c[19180,19193] [2023-11-12 02:10:14,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:10:14,335 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:10:14,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:14 WrapperNode [2023-11-12 02:10:14,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:10:14,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:10:14,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:10:14,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:10:14,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:14" (1/1) ... [2023-11-12 02:10:14,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:14" (1/1) ... [2023-11-12 02:10:14,428 INFO L138 Inliner]: procedures = 60, calls = 108, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 244 [2023-11-12 02:10:14,428 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:10:14,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:10:14,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:10:14,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:10:14,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:14" (1/1) ... [2023-11-12 02:10:14,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:14" (1/1) ... [2023-11-12 02:10:14,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:14" (1/1) ... [2023-11-12 02:10:14,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:14" (1/1) ... [2023-11-12 02:10:14,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:14" (1/1) ... [2023-11-12 02:10:14,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:14" (1/1) ... [2023-11-12 02:10:14,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:14" (1/1) ... [2023-11-12 02:10:14,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:14" (1/1) ... [2023-11-12 02:10:14,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:10:14,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:10:14,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:10:14,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:10:14,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:14" (1/1) ... [2023-11-12 02:10:14,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:10:14,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:14,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:14,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:10:14,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:10:14,582 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-12 02:10:14,583 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-12 02:10:14,583 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-12 02:10:14,585 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-12 02:10:14,585 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-12 02:10:14,585 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-12 02:10:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-12 02:10:14,586 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-12 02:10:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-12 02:10:14,586 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-12 02:10:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-12 02:10:14,587 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-12 02:10:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-12 02:10:14,587 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-12 02:10:14,588 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-12 02:10:14,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-12 02:10:14,589 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-12 02:10:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-12 02:10:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:10:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-12 02:10:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-12 02:10:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:10:14,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:10:14,716 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:10:14,720 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:10:15,150 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:10:15,168 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:10:15,169 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:10:15,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:10:15 BoogieIcfgContainer [2023-11-12 02:10:15,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:10:15,210 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:10:15,210 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:10:15,214 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:10:15,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:10:13" (1/3) ... [2023-11-12 02:10:15,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@679e8712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:10:15, skipping insertion in model container [2023-11-12 02:10:15,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:14" (2/3) ... [2023-11-12 02:10:15,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@679e8712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:10:15, skipping insertion in model container [2023-11-12 02:10:15,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:10:15" (3/3) ... [2023-11-12 02:10:15,218 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62.cil.c [2023-11-12 02:10:15,244 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:10:15,244 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:10:15,319 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:10:15,328 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@10138d02, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:10:15,328 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:10:15,334 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 84 states have (on average 1.3571428571428572) internal successors, (114), 94 states have internal predecessors, (114), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-12 02:10:15,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 02:10:15,350 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:15,351 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:15,352 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:15,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:15,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1960372766, now seen corresponding path program 1 times [2023-11-12 02:10:15,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:15,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092099378] [2023-11-12 02:10:15,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:15,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:15,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:10:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:15,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:10:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:15,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:10:15,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:15,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092099378] [2023-11-12 02:10:15,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092099378] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:15,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:15,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:10:15,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778310164] [2023-11-12 02:10:15,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:15,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:10:15,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:15,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:10:15,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:10:15,745 INFO L87 Difference]: Start difference. First operand has 114 states, 84 states have (on average 1.3571428571428572) internal successors, (114), 94 states have internal predecessors, (114), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 02:10:15,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:15,838 INFO L93 Difference]: Finished difference Result 219 states and 294 transitions. [2023-11-12 02:10:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:10:15,841 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2023-11-12 02:10:15,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:15,858 INFO L225 Difference]: With dead ends: 219 [2023-11-12 02:10:15,858 INFO L226 Difference]: Without dead ends: 105 [2023-11-12 02:10:15,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:10:15,871 INFO L413 NwaCegarLoop]: 144 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, 144 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 [2023-11-12 02:10:15,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:10:15,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-11-12 02:10:15,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2023-11-12 02:10:15,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 77 states have (on average 1.2987012987012987) internal successors, (100), 86 states have internal predecessors, (100), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-12 02:10:15,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 135 transitions. [2023-11-12 02:10:15,974 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 135 transitions. Word has length 32 [2023-11-12 02:10:15,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:15,977 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 135 transitions. [2023-11-12 02:10:15,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 02:10:15,978 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 135 transitions. [2023-11-12 02:10:15,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-12 02:10:15,989 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:15,990 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] [2023-11-12 02:10:15,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:10:15,991 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:15,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:15,994 INFO L85 PathProgramCache]: Analyzing trace with hash -526010073, now seen corresponding path program 1 times [2023-11-12 02:10:15,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:15,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623250109] [2023-11-12 02:10:15,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:15,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:16,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:10:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:16,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:10:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:16,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:10:16,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:16,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623250109] [2023-11-12 02:10:16,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623250109] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:16,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:16,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:10:16,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844782675] [2023-11-12 02:10:16,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:16,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:10:16,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:16,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:10:16,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:10:16,216 INFO L87 Difference]: Start difference. First operand 105 states and 135 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 02:10:16,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:16,258 INFO L93 Difference]: Finished difference Result 174 states and 224 transitions. [2023-11-12 02:10:16,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:10:16,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2023-11-12 02:10:16,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:16,272 INFO L225 Difference]: With dead ends: 174 [2023-11-12 02:10:16,272 INFO L226 Difference]: Without dead ends: 96 [2023-11-12 02:10:16,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:10:16,279 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 13 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 227 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 [2023-11-12 02:10:16,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 227 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:10:16,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-12 02:10:16,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-11-12 02:10:16,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 71 states have (on average 1.3098591549295775) internal successors, (93), 80 states have internal predecessors, (93), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-12 02:10:16,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 123 transitions. [2023-11-12 02:10:16,313 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 123 transitions. Word has length 33 [2023-11-12 02:10:16,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:16,314 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 123 transitions. [2023-11-12 02:10:16,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 02:10:16,315 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2023-11-12 02:10:16,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-12 02:10:16,320 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:16,321 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] [2023-11-12 02:10:16,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:10:16,325 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:16,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:16,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1914406272, now seen corresponding path program 1 times [2023-11-12 02:10:16,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:16,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944949465] [2023-11-12 02:10:16,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:16,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:16,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-12 02:10:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:16,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-12 02:10:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:16,481 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:10:16,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:16,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944949465] [2023-11-12 02:10:16,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944949465] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:16,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:16,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:10:16,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194426476] [2023-11-12 02:10:16,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:16,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:10:16,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:16,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:10:16,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:10:16,486 INFO L87 Difference]: Start difference. First operand 96 states and 123 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:10:16,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:16,522 INFO L93 Difference]: Finished difference Result 184 states and 239 transitions. [2023-11-12 02:10:16,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:10:16,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2023-11-12 02:10:16,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:16,529 INFO L225 Difference]: With dead ends: 184 [2023-11-12 02:10:16,530 INFO L226 Difference]: Without dead ends: 96 [2023-11-12 02:10:16,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:10:16,539 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 113 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:10:16,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 121 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:10:16,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-12 02:10:16,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-11-12 02:10:16,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 71 states have (on average 1.295774647887324) internal successors, (92), 80 states have internal predecessors, (92), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-12 02:10:16,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 122 transitions. [2023-11-12 02:10:16,563 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 122 transitions. Word has length 38 [2023-11-12 02:10:16,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:16,565 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 122 transitions. [2023-11-12 02:10:16,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:10:16,566 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 122 transitions. [2023-11-12 02:10:16,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-12 02:10:16,570 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:16,571 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:16,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:10:16,572 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:16,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:16,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1685949316, now seen corresponding path program 1 times [2023-11-12 02:10:16,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:16,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186923342] [2023-11-12 02:10:16,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:16,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:16,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-12 02:10:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:16,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-12 02:10:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:16,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:10:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:16,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-12 02:10:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:16,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:10:16,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:16,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186923342] [2023-11-12 02:10:16,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186923342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:16,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:16,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:10:16,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001146032] [2023-11-12 02:10:16,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:16,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:10:16,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:16,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:10:16,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:10:16,716 INFO L87 Difference]: Start difference. First operand 96 states and 122 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-12 02:10:16,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:16,935 INFO L93 Difference]: Finished difference Result 273 states and 351 transitions. [2023-11-12 02:10:16,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:10:16,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2023-11-12 02:10:16,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:16,938 INFO L225 Difference]: With dead ends: 273 [2023-11-12 02:10:16,939 INFO L226 Difference]: Without dead ends: 185 [2023-11-12 02:10:16,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:10:16,941 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 194 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:10:16,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 221 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:10:16,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2023-11-12 02:10:16,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 179. [2023-11-12 02:10:16,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 134 states have (on average 1.2686567164179106) internal successors, (170), 143 states have internal predecessors, (170), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33) [2023-11-12 02:10:16,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 225 transitions. [2023-11-12 02:10:16,975 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 225 transitions. Word has length 51 [2023-11-12 02:10:16,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:16,976 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 225 transitions. [2023-11-12 02:10:16,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-12 02:10:16,976 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 225 transitions. [2023-11-12 02:10:16,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-12 02:10:16,978 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:16,978 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:16,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:10:16,978 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:16,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:16,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1718008340, now seen corresponding path program 1 times [2023-11-12 02:10:16,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:16,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124727466] [2023-11-12 02:10:16,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:16,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:17,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-12 02:10:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:17,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-12 02:10:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:17,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:10:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:17,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:10:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:17,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:10:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:17,326 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:10:17,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:17,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124727466] [2023-11-12 02:10:17,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124727466] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:17,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:17,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:10:17,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098202470] [2023-11-12 02:10:17,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:17,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:10:17,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:17,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:10:17,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:10:17,330 INFO L87 Difference]: Start difference. First operand 179 states and 225 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-12 02:10:17,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:17,712 INFO L93 Difference]: Finished difference Result 354 states and 446 transitions. [2023-11-12 02:10:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-12 02:10:17,713 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2023-11-12 02:10:17,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:17,718 INFO L225 Difference]: With dead ends: 354 [2023-11-12 02:10:17,724 INFO L226 Difference]: Without dead ends: 183 [2023-11-12 02:10:17,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2023-11-12 02:10:17,733 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 163 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:10:17,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 471 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:10:17,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-11-12 02:10:17,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 177. [2023-11-12 02:10:17,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 132 states have (on average 1.2424242424242424) internal successors, (164), 141 states have internal predecessors, (164), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33) [2023-11-12 02:10:17,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 219 transitions. [2023-11-12 02:10:17,774 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 219 transitions. Word has length 59 [2023-11-12 02:10:17,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:17,774 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 219 transitions. [2023-11-12 02:10:17,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-12 02:10:17,775 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 219 transitions. [2023-11-12 02:10:17,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-12 02:10:17,780 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:17,780 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:17,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:10:17,781 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:17,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:17,781 INFO L85 PathProgramCache]: Analyzing trace with hash -12885391, now seen corresponding path program 1 times [2023-11-12 02:10:17,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:17,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522172007] [2023-11-12 02:10:17,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:17,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:17,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-12 02:10:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:17,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-12 02:10:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:17,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:10:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:17,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:10:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:17,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:10:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:18,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:10:18,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:18,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522172007] [2023-11-12 02:10:18,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522172007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:18,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:18,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:10:18,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008119194] [2023-11-12 02:10:18,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:18,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:10:18,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:18,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:10:18,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:10:18,005 INFO L87 Difference]: Start difference. First operand 177 states and 219 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-12 02:10:18,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:18,246 INFO L93 Difference]: Finished difference Result 356 states and 455 transitions. [2023-11-12 02:10:18,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:10:18,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65 [2023-11-12 02:10:18,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:18,252 INFO L225 Difference]: With dead ends: 356 [2023-11-12 02:10:18,252 INFO L226 Difference]: Without dead ends: 187 [2023-11-12 02:10:18,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:10:18,256 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 76 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:10:18,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 413 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:10:18,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-11-12 02:10:18,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 180. [2023-11-12 02:10:18,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 135 states have (on average 1.237037037037037) internal successors, (167), 144 states have internal predecessors, (167), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33) [2023-11-12 02:10:18,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 222 transitions. [2023-11-12 02:10:18,305 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 222 transitions. Word has length 65 [2023-11-12 02:10:18,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:18,308 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 222 transitions. [2023-11-12 02:10:18,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-12 02:10:18,309 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 222 transitions. [2023-11-12 02:10:18,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-12 02:10:18,311 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:18,312 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:18,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:10:18,312 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:18,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:18,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1373318003, now seen corresponding path program 1 times [2023-11-12 02:10:18,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:18,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735225080] [2023-11-12 02:10:18,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:18,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:18,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-12 02:10:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:18,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-12 02:10:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:18,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:10:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:18,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:10:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:18,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:10:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:18,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:10:18,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:18,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735225080] [2023-11-12 02:10:18,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735225080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:18,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:18,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:10:18,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259303639] [2023-11-12 02:10:18,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:18,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:10:18,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:18,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:10:18,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:10:18,507 INFO L87 Difference]: Start difference. First operand 180 states and 222 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-12 02:10:18,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:18,696 INFO L93 Difference]: Finished difference Result 362 states and 460 transitions. [2023-11-12 02:10:18,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:10:18,697 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65 [2023-11-12 02:10:18,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:18,701 INFO L225 Difference]: With dead ends: 362 [2023-11-12 02:10:18,701 INFO L226 Difference]: Without dead ends: 190 [2023-11-12 02:10:18,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:10:18,705 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 79 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:10:18,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 323 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:10:18,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-11-12 02:10:18,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 182. [2023-11-12 02:10:18,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 137 states have (on average 1.2335766423357664) internal successors, (169), 146 states have internal predecessors, (169), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33) [2023-11-12 02:10:18,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 224 transitions. [2023-11-12 02:10:18,744 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 224 transitions. Word has length 65 [2023-11-12 02:10:18,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:18,748 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 224 transitions. [2023-11-12 02:10:18,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-12 02:10:18,749 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 224 transitions. [2023-11-12 02:10:18,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-12 02:10:18,751 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:18,751 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:18,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 02:10:18,752 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:18,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:18,754 INFO L85 PathProgramCache]: Analyzing trace with hash 2074917877, now seen corresponding path program 1 times [2023-11-12 02:10:18,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:18,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692579700] [2023-11-12 02:10:18,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:18,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:18,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-12 02:10:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:18,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-12 02:10:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:18,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:10:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:18,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:10:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:18,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:10:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:18,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:10:18,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:18,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692579700] [2023-11-12 02:10:18,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692579700] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:18,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:18,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:10:18,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496408474] [2023-11-12 02:10:18,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:18,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:10:18,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:18,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:10:18,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:10:18,920 INFO L87 Difference]: Start difference. First operand 182 states and 224 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-12 02:10:19,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:19,218 INFO L93 Difference]: Finished difference Result 498 states and 640 transitions. [2023-11-12 02:10:19,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:10:19,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 65 [2023-11-12 02:10:19,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:19,223 INFO L225 Difference]: With dead ends: 498 [2023-11-12 02:10:19,223 INFO L226 Difference]: Without dead ends: 324 [2023-11-12 02:10:19,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:10:19,226 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 243 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:10:19,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 335 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:10:19,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2023-11-12 02:10:19,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 322. [2023-11-12 02:10:19,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 241 states have (on average 1.2074688796680497) internal successors, (291), 254 states have internal predecessors, (291), 42 states have call successors, (42), 35 states have call predecessors, (42), 38 states have return successors, (68), 43 states have call predecessors, (68), 42 states have call successors, (68) [2023-11-12 02:10:19,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 401 transitions. [2023-11-12 02:10:19,282 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 401 transitions. Word has length 65 [2023-11-12 02:10:19,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:19,282 INFO L495 AbstractCegarLoop]: Abstraction has 322 states and 401 transitions. [2023-11-12 02:10:19,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-12 02:10:19,283 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 401 transitions. [2023-11-12 02:10:19,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-12 02:10:19,284 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:19,284 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:19,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 02:10:19,285 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:19,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:19,285 INFO L85 PathProgramCache]: Analyzing trace with hash 843636315, now seen corresponding path program 1 times [2023-11-12 02:10:19,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:19,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44911639] [2023-11-12 02:10:19,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:19,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:19,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:10:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:19,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:10:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:19,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:10:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:19,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:10:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:19,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:10:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:19,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-12 02:10:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:19,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:10:19,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:19,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44911639] [2023-11-12 02:10:19,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44911639] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:19,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:19,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-12 02:10:19,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834696388] [2023-11-12 02:10:19,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:19,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 02:10:19,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:19,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:10:19,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:10:19,610 INFO L87 Difference]: Start difference. First operand 322 states and 401 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-12 02:10:20,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:20,680 INFO L93 Difference]: Finished difference Result 845 states and 1107 transitions. [2023-11-12 02:10:20,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-12 02:10:20,681 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 69 [2023-11-12 02:10:20,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:20,686 INFO L225 Difference]: With dead ends: 845 [2023-11-12 02:10:20,686 INFO L226 Difference]: Without dead ends: 587 [2023-11-12 02:10:20,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2023-11-12 02:10:20,689 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 715 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 720 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:10:20,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [720 Valid, 490 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 02:10:20,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2023-11-12 02:10:20,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 500. [2023-11-12 02:10:20,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 373 states have (on average 1.198391420911528) internal successors, (447), 396 states have internal predecessors, (447), 66 states have call successors, (66), 50 states have call predecessors, (66), 60 states have return successors, (108), 66 states have call predecessors, (108), 66 states have call successors, (108) [2023-11-12 02:10:20,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 621 transitions. [2023-11-12 02:10:20,746 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 621 transitions. Word has length 69 [2023-11-12 02:10:20,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:20,747 INFO L495 AbstractCegarLoop]: Abstraction has 500 states and 621 transitions. [2023-11-12 02:10:20,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-12 02:10:20,748 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 621 transitions. [2023-11-12 02:10:20,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-12 02:10:20,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:20,750 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2023-11-12 02:10:20,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-12 02:10:20,751 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:20,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:20,751 INFO L85 PathProgramCache]: Analyzing trace with hash 2033626689, now seen corresponding path program 1 times [2023-11-12 02:10:20,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:20,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263006395] [2023-11-12 02:10:20,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:20,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:20,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:10:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:20,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-12 02:10:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:20,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:10:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:20,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:10:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:21,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:10:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:21,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:10:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:21,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-12 02:10:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:21,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-12 02:10:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:21,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:10:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:21,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:10:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:21,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:10:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:21,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-12 02:10:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:21,059 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-12 02:10:21,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:21,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263006395] [2023-11-12 02:10:21,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263006395] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:10:21,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863239488] [2023-11-12 02:10:21,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:21,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:10:21,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:21,064 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:10:21,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:10:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:21,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:10:21,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:10:21,480 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 31 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:10:21,481 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:10:21,746 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-12 02:10:21,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863239488] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:10:21,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:10:21,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2023-11-12 02:10:21,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529279183] [2023-11-12 02:10:21,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:10:21,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-12 02:10:21,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:21,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-12 02:10:21,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-11-12 02:10:21,749 INFO L87 Difference]: Start difference. First operand 500 states and 621 transitions. Second operand has 15 states, 15 states have (on average 9.6) internal successors, (144), 10 states have internal predecessors, (144), 6 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 6 states have call successors, (23) [2023-11-12 02:10:23,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:23,228 INFO L93 Difference]: Finished difference Result 1022 states and 1297 transitions. [2023-11-12 02:10:23,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-12 02:10:23,229 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.6) internal successors, (144), 10 states have internal predecessors, (144), 6 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 6 states have call successors, (23) Word has length 123 [2023-11-12 02:10:23,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:23,230 INFO L225 Difference]: With dead ends: 1022 [2023-11-12 02:10:23,230 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:10:23,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 275 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=345, Invalid=1137, Unknown=0, NotChecked=0, Total=1482 [2023-11-12 02:10:23,234 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 471 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 1110 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 1110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-12 02:10:23,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 1055 Invalid, 1294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 1110 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-12 02:10:23,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:10:23,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:10:23,236 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) [2023-11-12 02:10:23,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:10:23,238 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2023-11-12 02:10:23,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:23,238 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:10:23,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.6) internal successors, (144), 10 states have internal predecessors, (144), 6 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 6 states have call successors, (23) [2023-11-12 02:10:23,238 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:10:23,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:10:23,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:10:23,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:23,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:10:23,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:10:26,174 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 203 210) no Hoare annotation was computed. [2023-11-12 02:10:26,174 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 203 210) the Hoare annotation is: (or (< 2 ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)) [2023-11-12 02:10:26,175 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 203 210) no Hoare annotation was computed. [2023-11-12 02:10:26,175 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 93 99) no Hoare annotation was computed. [2023-11-12 02:10:26,175 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 93 99) the Hoare annotation is: true [2023-11-12 02:10:26,175 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDry_returnLabel#1(lines 894 902) no Hoare annotation was computed. [2023-11-12 02:10:26,176 INFO L895 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-12 02:10:26,176 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 127 151) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-12 02:10:26,176 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-12 02:10:26,176 INFO L899 garLoopResultBuilder]: For program point L135(lines 135 143) no Hoare annotation was computed. [2023-11-12 02:10:26,177 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 148) no Hoare annotation was computed. [2023-11-12 02:10:26,177 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevel_returnLabel#1(lines 286 304) no Hoare annotation was computed. [2023-11-12 02:10:26,177 INFO L895 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse1) (or .cse0 .cse1 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-12 02:10:26,177 INFO L899 garLoopResultBuilder]: For program point L146-1(lines 127 151) no Hoare annotation was computed. [2023-11-12 02:10:26,177 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 127 151) no Hoare annotation was computed. [2023-11-12 02:10:26,177 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 299) no Hoare annotation was computed. [2023-11-12 02:10:26,178 INFO L899 garLoopResultBuilder]: For program point L295-2(lines 295 299) no Hoare annotation was computed. [2023-11-12 02:10:26,178 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 222 230) no Hoare annotation was computed. [2023-11-12 02:10:26,178 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 222 230) no Hoare annotation was computed. [2023-11-12 02:10:26,178 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 230) the Hoare annotation is: true [2023-11-12 02:10:26,178 INFO L899 garLoopResultBuilder]: For program point L831-1(lines 827 838) no Hoare annotation was computed. [2023-11-12 02:10:26,178 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 827 838) the Hoare annotation is: true [2023-11-12 02:10:26,179 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 827 838) no Hoare annotation was computed. [2023-11-12 02:10:26,179 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 905 934) no Hoare annotation was computed. [2023-11-12 02:10:26,179 INFO L899 garLoopResultBuilder]: For program point L926(line 926) no Hoare annotation was computed. [2023-11-12 02:10:26,179 INFO L899 garLoopResultBuilder]: For program point L919(lines 919 923) no Hoare annotation was computed. [2023-11-12 02:10:26,179 INFO L902 garLoopResultBuilder]: At program point L919-1(lines 919 923) the Hoare annotation is: true [2023-11-12 02:10:26,179 INFO L899 garLoopResultBuilder]: For program point L916(line 916) no Hoare annotation was computed. [2023-11-12 02:10:26,180 INFO L902 garLoopResultBuilder]: At program point L915-2(lines 915 929) the Hoare annotation is: true [2023-11-12 02:10:26,180 INFO L902 garLoopResultBuilder]: At program point L911(line 911) the Hoare annotation is: true [2023-11-12 02:10:26,180 INFO L899 garLoopResultBuilder]: For program point L911-1(line 911) no Hoare annotation was computed. [2023-11-12 02:10:26,180 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 905 934) the Hoare annotation is: true [2023-11-12 02:10:26,180 INFO L899 garLoopResultBuilder]: For program point L930(lines 905 934) no Hoare annotation was computed. [2023-11-12 02:10:26,181 INFO L895 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: (let ((.cse3 (< |old(~pumpRunning~0)| 1)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (and .cse1 (= ~waterLevel~0 1) .cse2) (not (= |old(~waterLevel~0)| 2)) .cse3) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse3 .cse4 (and .cse1 (<= ~waterLevel~0 2) .cse2)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse4))) [2023-11-12 02:10:26,181 INFO L899 garLoopResultBuilder]: For program point L159-1(line 159) no Hoare annotation was computed. [2023-11-12 02:10:26,181 INFO L895 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2) (let ((.cse4 (<= ~waterLevel~0 2))) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse1 (and .cse3 .cse4 .cse5) .cse6 .cse7 (and .cse8 .cse4 .cse5))) (or .cse0 (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse7) (let ((.cse9 (= ~waterLevel~0 1))) (or .cse1 (and .cse8 .cse9 .cse5) .cse2 .cse6 (and .cse3 .cse9 .cse5))))) [2023-11-12 02:10:26,181 INFO L899 garLoopResultBuilder]: For program point L345-1(line 345) no Hoare annotation was computed. [2023-11-12 02:10:26,182 INFO L895 garLoopResultBuilder]: At program point L172(line 172) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 .cse2) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse2))) [2023-11-12 02:10:26,182 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 153 177) no Hoare annotation was computed. [2023-11-12 02:10:26,182 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2023-11-12 02:10:26,182 INFO L899 garLoopResultBuilder]: For program point L73-2(lines 69 91) no Hoare annotation was computed. [2023-11-12 02:10:26,182 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 66 92) no Hoare annotation was computed. [2023-11-12 02:10:26,182 INFO L899 garLoopResultBuilder]: For program point getWaterLevel_returnLabel#1(lines 871 879) no Hoare annotation was computed. [2023-11-12 02:10:26,183 INFO L895 garLoopResultBuilder]: At program point L330(line 330) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (< |old(~pumpRunning~0)| 1))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5) (or (and (= ~pumpRunning~0 0) .cse3 .cse4) (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse5) (or .cse0 (and .cse2 (= 2 ~waterLevel~0) .cse3) (not (= |old(~waterLevel~0)| 2)) .cse1))) [2023-11-12 02:10:26,183 INFO L899 garLoopResultBuilder]: For program point L330-1(line 330) no Hoare annotation was computed. [2023-11-12 02:10:26,183 INFO L899 garLoopResultBuilder]: For program point L161(lines 161 169) no Hoare annotation was computed. [2023-11-12 02:10:26,183 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 174) no Hoare annotation was computed. [2023-11-12 02:10:26,183 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 357) no Hoare annotation was computed. [2023-11-12 02:10:26,184 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 360) no Hoare annotation was computed. [2023-11-12 02:10:26,184 INFO L899 garLoopResultBuilder]: For program point L343-1(lines 335 363) no Hoare annotation was computed. [2023-11-12 02:10:26,184 INFO L899 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2023-11-12 02:10:26,184 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 1004 1011) no Hoare annotation was computed. [2023-11-12 02:10:26,184 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 66 92) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (< |old(~pumpRunning~0)| 1))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5) (or (and (= ~pumpRunning~0 0) .cse3 .cse4) (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse5) (or .cse0 (and .cse2 (= 2 ~waterLevel~0) .cse3) (not (= |old(~waterLevel~0)| 2)) .cse1))) [2023-11-12 02:10:26,184 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 354) no Hoare annotation was computed. [2023-11-12 02:10:26,185 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2_returnLabel#1(lines 325 334) no Hoare annotation was computed. [2023-11-12 02:10:26,185 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 80 86) no Hoare annotation was computed. [2023-11-12 02:10:26,185 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 66 92) no Hoare annotation was computed. [2023-11-12 02:10:26,185 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2023-11-12 02:10:26,185 INFO L899 garLoopResultBuilder]: For program point L807(lines 807 811) no Hoare annotation was computed. [2023-11-12 02:10:26,186 INFO L895 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: (let ((.cse3 (< |old(~pumpRunning~0)| 1)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (and .cse1 (= ~waterLevel~0 1) .cse2) (not (= |old(~waterLevel~0)| 2)) .cse3) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse3 .cse4 (and .cse1 (<= ~waterLevel~0 2) .cse2)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse4))) [2023-11-12 02:10:26,186 INFO L899 garLoopResultBuilder]: For program point L807-2(lines 803 814) no Hoare annotation was computed. [2023-11-12 02:10:26,186 INFO L895 garLoopResultBuilder]: At program point L163(line 163) the Hoare annotation is: (let ((.cse3 (< |old(~pumpRunning~0)| 1)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (and .cse1 (= ~waterLevel~0 1) .cse2) (not (= |old(~waterLevel~0)| 2)) .cse3) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse3 .cse4 (and .cse1 (<= ~waterLevel~0 2) .cse2)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse4))) [2023-11-12 02:10:26,186 INFO L899 garLoopResultBuilder]: For program point startSystem_returnLabel#1(lines 305 312) no Hoare annotation was computed. [2023-11-12 02:10:26,186 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 966 976) no Hoare annotation was computed. [2023-11-12 02:10:26,187 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 1024 1030) no Hoare annotation was computed. [2023-11-12 02:10:26,187 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 980 1002) no Hoare annotation was computed. [2023-11-12 02:10:26,187 INFO L899 garLoopResultBuilder]: For program point L416(lines 416 420) no Hoare annotation was computed. [2023-11-12 02:10:26,187 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:10:26,187 INFO L899 garLoopResultBuilder]: For program point L990(lines 990 997) no Hoare annotation was computed. [2023-11-12 02:10:26,187 INFO L895 garLoopResultBuilder]: At program point L416-2(lines 408 421) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2023-11-12 02:10:26,188 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:10:26,188 INFO L899 garLoopResultBuilder]: For program point L990-2(lines 990 997) no Hoare annotation was computed. [2023-11-12 02:10:26,188 INFO L899 garLoopResultBuilder]: For program point L379(lines 378 425) no Hoare annotation was computed. [2023-11-12 02:10:26,188 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 421) no Hoare annotation was computed. [2023-11-12 02:10:26,188 INFO L895 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2023-11-12 02:10:26,189 INFO L899 garLoopResultBuilder]: For program point L429(lines 368 433) no Hoare annotation was computed. [2023-11-12 02:10:26,189 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 959 965) no Hoare annotation was computed. [2023-11-12 02:10:26,189 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 394) no Hoare annotation was computed. [2023-11-12 02:10:26,189 INFO L899 garLoopResultBuilder]: For program point L388-1(lines 388 394) no Hoare annotation was computed. [2023-11-12 02:10:26,189 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:10:26,189 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 384) no Hoare annotation was computed. [2023-11-12 02:10:26,190 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1_returnLabel#1(lines 317 324) no Hoare annotation was computed. [2023-11-12 02:10:26,190 INFO L895 garLoopResultBuilder]: At program point L426(lines 377 427) the Hoare annotation is: false [2023-11-12 02:10:26,190 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:10:26,190 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 1031 1037) no Hoare annotation was computed. [2023-11-12 02:10:26,190 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 404) no Hoare annotation was computed. [2023-11-12 02:10:26,190 INFO L899 garLoopResultBuilder]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2023-11-12 02:10:26,191 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 1038 1046) no Hoare annotation was computed. [2023-11-12 02:10:26,191 INFO L895 garLoopResultBuilder]: At program point L423(lines 378 425) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2023-11-12 02:10:26,191 INFO L895 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2023-11-12 02:10:26,191 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-12 02:10:26,191 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 101 125) no Hoare annotation was computed. [2023-11-12 02:10:26,192 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 890) no Hoare annotation was computed. [2023-11-12 02:10:26,192 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 101 125) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-12 02:10:26,192 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 880 893) no Hoare annotation was computed. [2023-11-12 02:10:26,192 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 199) no Hoare annotation was computed. [2023-11-12 02:10:26,192 INFO L895 garLoopResultBuilder]: At program point L191(line 191) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1 (and (= ~pumpRunning~0 0) (= 2 ~waterLevel~0))) (or .cse0 .cse1 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-12 02:10:26,193 INFO L899 garLoopResultBuilder]: For program point L193-2(lines 186 202) no Hoare annotation was computed. [2023-11-12 02:10:26,193 INFO L899 garLoopResultBuilder]: For program point L191-1(line 191) no Hoare annotation was computed. [2023-11-12 02:10:26,193 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevel_returnLabel#1(lines 267 285) no Hoare annotation was computed. [2023-11-12 02:10:26,193 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 101 125) no Hoare annotation was computed. [2023-11-12 02:10:26,193 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 280) no Hoare annotation was computed. [2023-11-12 02:10:26,193 INFO L895 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0))))) [2023-11-12 02:10:26,194 INFO L899 garLoopResultBuilder]: For program point L276-2(lines 276 280) no Hoare annotation was computed. [2023-11-12 02:10:26,194 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2023-11-12 02:10:26,194 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 122) no Hoare annotation was computed. [2023-11-12 02:10:26,194 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensor_returnLabel#1(lines 178 185) no Hoare annotation was computed. [2023-11-12 02:10:26,194 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 815 826) no Hoare annotation was computed. [2023-11-12 02:10:26,194 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 815 826) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 2))) (or (not (= ~pumpRunning~0 0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (< ~switchedOnBeforeTS~0 1) .cse2 .cse3))) [2023-11-12 02:10:26,195 INFO L899 garLoopResultBuilder]: For program point L819-1(lines 815 826) no Hoare annotation was computed. [2023-11-12 02:10:26,195 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCritical_returnLabel#1(lines 839 847) no Hoare annotation was computed. [2023-11-12 02:10:26,195 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 211 221) no Hoare annotation was computed. [2023-11-12 02:10:26,195 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 211 221) the Hoare annotation is: true [2023-11-12 02:10:26,195 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 211 221) no Hoare annotation was computed. [2023-11-12 02:10:26,198 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:26,200 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:10:26,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:10:26 BoogieIcfgContainer [2023-11-12 02:10:26,214 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:10:26,214 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:10:26,215 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:10:26,215 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:10:26,215 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:10:15" (3/4) ... [2023-11-12 02:10:26,217 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:10:26,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-12 02:10:26,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-12 02:10:26,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-12 02:10:26,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-12 02:10:26,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-12 02:10:26,223 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-12 02:10:26,223 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-12 02:10:26,223 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-12 02:10:26,223 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-12 02:10:26,223 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-12 02:10:26,231 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-12 02:10:26,232 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-12 02:10:26,233 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-12 02:10:26,234 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:10:26,235 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:10:26,368 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:10:26,369 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:10:26,369 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:10:26,370 INFO L158 Benchmark]: Toolchain (without parser) took 12566.16ms. Allocated memory was 169.9MB in the beginning and 272.6MB in the end (delta: 102.8MB). Free memory was 123.2MB in the beginning and 204.0MB in the end (delta: -80.8MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2023-11-12 02:10:26,370 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:10:26,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.85ms. Allocated memory is still 169.9MB. Free memory was 123.2MB in the beginning and 103.5MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 02:10:26,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.82ms. Allocated memory is still 169.9MB. Free memory was 103.5MB in the beginning and 101.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:10:26,371 INFO L158 Benchmark]: Boogie Preprocessor took 63.54ms. Allocated memory is still 169.9MB. Free memory was 100.8MB in the beginning and 99.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:10:26,371 INFO L158 Benchmark]: RCFGBuilder took 680.71ms. Allocated memory is still 169.9MB. Free memory was 99.3MB in the beginning and 81.1MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 02:10:26,372 INFO L158 Benchmark]: TraceAbstraction took 11004.35ms. Allocated memory was 169.9MB in the beginning and 272.6MB in the end (delta: 102.8MB). Free memory was 139.2MB in the beginning and 212.4MB in the end (delta: -73.3MB). Peak memory consumption was 161.6MB. Max. memory is 16.1GB. [2023-11-12 02:10:26,372 INFO L158 Benchmark]: Witness Printer took 154.44ms. Allocated memory is still 272.6MB. Free memory was 212.4MB in the beginning and 204.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 02:10:26,374 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.85ms. Allocated memory is still 169.9MB. Free memory was 123.2MB in the beginning and 103.5MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.82ms. Allocated memory is still 169.9MB. Free memory was 103.5MB in the beginning and 101.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.54ms. Allocated memory is still 169.9MB. Free memory was 100.8MB in the beginning and 99.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.71ms. Allocated memory is still 169.9MB. Free memory was 99.3MB in the beginning and 81.1MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11004.35ms. Allocated memory was 169.9MB in the beginning and 272.6MB in the end (delta: 102.8MB). Free memory was 139.2MB in the beginning and 212.4MB in the end (delta: -73.3MB). Peak memory consumption was 161.6MB. Max. memory is 16.1GB. * Witness Printer took 154.44ms. Allocated memory is still 272.6MB. Free memory was 212.4MB in the beginning and 204.0MB 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 313]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [313] - GenericResultAtLocation [Line: 364]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [364] - GenericResultAtLocation [Line: 434]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [434] - GenericResultAtLocation [Line: 800]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [800] - GenericResultAtLocation [Line: 903]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [903] - GenericResultAtLocation [Line: 1003]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1003] - GenericResultAtLocation [Line: 1012]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1012] * 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: 1008]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.9s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2112 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2067 mSDsluCounter, 3800 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2631 mSDsCounter, 671 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2476 IncrementalHoareTripleChecker+Invalid, 3147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 671 mSolverCounterUnsat, 1169 mSDtfsCounter, 2476 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 483 GetRequests, 373 SyntacticMatches, 5 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 650 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=500occurred in iteration=9, InterpolantAutomatonStates: 101, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 116 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 751 PreInvPairs, 840 NumberOfFragments, 960 HoareAnnotationTreeSize, 751 FomulaSimplifications, 1911 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 30 FomulaSimplificationsInter, 4638 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 723 NumberOfCodeBlocks, 723 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 834 ConstructedInterpolants, 0 QuantifiedInterpolants, 1504 SizeOfPredicates, 3 NumberOfNonLiveVariables, 399 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 119/153 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: 915]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel <= 2)) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((1 <= pumpRunning) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS))) RESULT: Ultimate proved your program to be correct! [2023-11-12 02:10:26,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ead3c8-7055-431b-9a4f-c0e1c72146d3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE