./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1 --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 315d60eb588d6482efeebc0b747aa91d22e611dd88f8ad5f52fb821083a93df1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:46:55,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:46:55,171 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:46:55,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:46:55,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:46:55,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:46:55,198 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:46:55,198 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:46:55,199 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:46:55,199 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:46:55,199 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:46:55,199 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:46:55,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:46:55,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:46:55,199 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:46:55,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:46:55,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:46:55,200 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:46:55,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:46:55,200 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:46:55,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:46:55,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:46:55,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:46:55,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:46:55,200 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:46:55,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:46:55,201 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:46:55,201 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:46:55,201 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:46:55,201 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:46:55,201 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:46:55,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:46:55,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:46:55,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:46:55,201 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:46:55,201 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:46:55,202 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:46:55,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:46:55,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:46:55,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:46:55,202 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:46:55,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:46:55,202 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:46:55,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:46:55,202 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:46:55,202 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:46:55,202 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:46:55,202 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:46:55,203 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1 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 -> 315d60eb588d6482efeebc0b747aa91d22e611dd88f8ad5f52fb821083a93df1 [2024-12-02 13:46:55,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:46:55,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:46:55,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:46:55,449 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:46:55,449 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:46:55,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2024-12-02 13:46:58,084 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/data/a872dacc2/16920017c3fa4ecfbd8e4ff45307a484/FLAG02f6ba6f1 [2024-12-02 13:46:58,337 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:46:58,337 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2024-12-02 13:46:58,348 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/data/a872dacc2/16920017c3fa4ecfbd8e4ff45307a484/FLAG02f6ba6f1 [2024-12-02 13:46:58,685 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/data/a872dacc2/16920017c3fa4ecfbd8e4ff45307a484 [2024-12-02 13:46:58,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:46:58,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:46:58,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:46:58,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:46:58,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:46:58,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:46:58" (1/1) ... [2024-12-02 13:46:58,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35797742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:58, skipping insertion in model container [2024-12-02 13:46:58,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:46:58" (1/1) ... [2024-12-02 13:46:58,722 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:46:58,959 WARN L250 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_e766e013-19db-4607-b8f4-ca3edf913208/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c[17389,17402] [2024-12-02 13:46:58,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:46:58,973 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:46:58,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-12-02 13:46:58,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [135] [2024-12-02 13:46:58,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [173] [2024-12-02 13:46:58,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [272] [2024-12-02 13:46:58,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [638] [2024-12-02 13:46:58,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [666] [2024-12-02 13:46:58,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [826] [2024-12-02 13:46:58,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [895] [2024-12-02 13:46:59,033 WARN L250 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_e766e013-19db-4607-b8f4-ca3edf913208/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c[17389,17402] [2024-12-02 13:46:59,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:46:59,052 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:46:59,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:59 WrapperNode [2024-12-02 13:46:59,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:46:59,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:46:59,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:46:59,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:46:59,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:59" (1/1) ... [2024-12-02 13:46:59,071 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:59" (1/1) ... [2024-12-02 13:46:59,089 INFO L138 Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 165 [2024-12-02 13:46:59,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:46:59,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:46:59,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:46:59,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:46:59,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:59" (1/1) ... [2024-12-02 13:46:59,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:59" (1/1) ... [2024-12-02 13:46:59,101 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:59" (1/1) ... [2024-12-02 13:46:59,116 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 13:46:59,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:59" (1/1) ... [2024-12-02 13:46:59,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:59" (1/1) ... [2024-12-02 13:46:59,120 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:59" (1/1) ... [2024-12-02 13:46:59,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:59" (1/1) ... [2024-12-02 13:46:59,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:59" (1/1) ... [2024-12-02 13:46:59,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:59" (1/1) ... [2024-12-02 13:46:59,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:59" (1/1) ... [2024-12-02 13:46:59,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:46:59,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:46:59,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:46:59,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:46:59,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:59" (1/1) ... [2024-12-02 13:46:59,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:46:59,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:46:59,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:46:59,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:46:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:46:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-12-02 13:46:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-12-02 13:46:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-12-02 13:46:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-12-02 13:46:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-12-02 13:46:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-12-02 13:46:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-12-02 13:46:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-12-02 13:46:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-12-02 13:46:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-12-02 13:46:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:46:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-12-02 13:46:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-12-02 13:46:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:46:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:46:59,241 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:46:59,243 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:46:59,412 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-12-02 13:46:59,412 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:46:59,421 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:46:59,421 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 13:46:59,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:46:59 BoogieIcfgContainer [2024-12-02 13:46:59,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:46:59,423 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:46:59,424 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:46:59,427 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:46:59,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:46:58" (1/3) ... [2024-12-02 13:46:59,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704e8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:46:59, skipping insertion in model container [2024-12-02 13:46:59,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:59" (2/3) ... [2024-12-02 13:46:59,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704e8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:46:59, skipping insertion in model container [2024-12-02 13:46:59,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:46:59" (3/3) ... [2024-12-02 13:46:59,429 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2024-12-02 13:46:59,440 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:46:59,442 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec4_product08.cil.c that has 7 procedures, 73 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-12-02 13:46:59,485 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:46:59,496 INFO L333 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, 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;@3ca6784f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:46:59,496 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:46:59,499 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 55 states have (on average 1.4) internal successors, (77), 62 states have internal predecessors, (77), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 13:46:59,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 13:46:59,504 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:46:59,505 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:46:59,505 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:46:59,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:46:59,509 INFO L85 PathProgramCache]: Analyzing trace with hash 187911772, now seen corresponding path program 1 times [2024-12-02 13:46:59,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:46:59,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677364716] [2024-12-02 13:46:59,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:46:59,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:46:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:46:59,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:46:59,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:46:59,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677364716] [2024-12-02 13:46:59,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677364716] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:46:59,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:46:59,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:46:59,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762418587] [2024-12-02 13:46:59,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:46:59,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:46:59,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:46:59,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:46:59,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:46:59,673 INFO L87 Difference]: Start difference. First operand has 73 states, 55 states have (on average 1.4) internal successors, (77), 62 states have internal predecessors, (77), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:46:59,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:46:59,704 INFO L93 Difference]: Finished difference Result 138 states and 189 transitions. [2024-12-02 13:46:59,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:46:59,705 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-12-02 13:46:59,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:46:59,712 INFO L225 Difference]: With dead ends: 138 [2024-12-02 13:46:59,712 INFO L226 Difference]: Without dead ends: 64 [2024-12-02 13:46:59,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:46:59,716 INFO L435 NwaCegarLoop]: 91 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, 91 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 [2024-12-02 13:46:59,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:46:59,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-12-02 13:46:59,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-12-02 13:46:59,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 48 states have (on average 1.3125) internal successors, (63), 54 states have internal predecessors, (63), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 13:46:59,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 82 transitions. [2024-12-02 13:46:59,746 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 82 transitions. Word has length 19 [2024-12-02 13:46:59,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:46:59,746 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 82 transitions. [2024-12-02 13:46:59,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:46:59,746 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2024-12-02 13:46:59,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 13:46:59,748 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:46:59,748 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:46:59,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 13:46:59,748 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:46:59,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:46:59,749 INFO L85 PathProgramCache]: Analyzing trace with hash 962408086, now seen corresponding path program 1 times [2024-12-02 13:46:59,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:46:59,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851117210] [2024-12-02 13:46:59,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:46:59,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:46:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:46:59,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:46:59,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:46:59,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851117210] [2024-12-02 13:46:59,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851117210] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:46:59,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:46:59,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:46:59,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718476229] [2024-12-02 13:46:59,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:46:59,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:46:59,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:46:59,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:46:59,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:46:59,848 INFO L87 Difference]: Start difference. First operand 64 states and 82 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:46:59,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:46:59,861 INFO L93 Difference]: Finished difference Result 91 states and 115 transitions. [2024-12-02 13:46:59,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:46:59,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-12-02 13:46:59,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:46:59,862 INFO L225 Difference]: With dead ends: 91 [2024-12-02 13:46:59,862 INFO L226 Difference]: Without dead ends: 56 [2024-12-02 13:46:59,863 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:46:59,864 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 17 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 119 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 [2024-12-02 13:46:59,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 119 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:46:59,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-12-02 13:46:59,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-12-02 13:46:59,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 49 states have internal predecessors, (57), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 13:46:59,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2024-12-02 13:46:59,872 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 71 transitions. Word has length 19 [2024-12-02 13:46:59,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:46:59,873 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 71 transitions. [2024-12-02 13:46:59,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:46:59,873 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2024-12-02 13:46:59,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-02 13:46:59,873 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:46:59,873 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:46:59,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:46:59,874 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:46:59,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:46:59,874 INFO L85 PathProgramCache]: Analyzing trace with hash -2027887171, now seen corresponding path program 1 times [2024-12-02 13:46:59,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:46:59,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670937694] [2024-12-02 13:46:59,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:46:59,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:46:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:46:59,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:46:59,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:46:59,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670937694] [2024-12-02 13:46:59,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670937694] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:46:59,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:46:59,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:46:59,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084154077] [2024-12-02 13:46:59,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:46:59,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:46:59,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:46:59,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:46:59,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:46:59,996 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:47:00,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:00,057 INFO L93 Difference]: Finished difference Result 142 states and 185 transitions. [2024-12-02 13:47:00,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:47:00,057 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-12-02 13:47:00,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:00,059 INFO L225 Difference]: With dead ends: 142 [2024-12-02 13:47:00,059 INFO L226 Difference]: Without dead ends: 93 [2024-12-02 13:47:00,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:47:00,060 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 64 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:00,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 280 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:47:00,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-12-02 13:47:00,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2024-12-02 13:47:00,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 78 states have internal predecessors, (94), 11 states have call successors, (11), 9 states have call predecessors, (11), 9 states have return successors, (12), 8 states have call predecessors, (12), 11 states have call successors, (12) [2024-12-02 13:47:00,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 117 transitions. [2024-12-02 13:47:00,072 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 117 transitions. Word has length 24 [2024-12-02 13:47:00,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:00,073 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 117 transitions. [2024-12-02 13:47:00,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:47:00,073 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 117 transitions. [2024-12-02 13:47:00,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-02 13:47:00,074 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:00,074 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:00,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:47:00,074 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:00,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:00,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1149633378, now seen corresponding path program 1 times [2024-12-02 13:47:00,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:00,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471325489] [2024-12-02 13:47:00,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:00,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:00,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:47:00,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:00,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471325489] [2024-12-02 13:47:00,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471325489] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:00,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:00,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:47:00,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467040933] [2024-12-02 13:47:00,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:00,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:47:00,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:00,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:47:00,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:47:00,229 INFO L87 Difference]: Start difference. First operand 90 states and 117 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:47:00,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:00,456 INFO L93 Difference]: Finished difference Result 321 states and 447 transitions. [2024-12-02 13:47:00,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 13:47:00,457 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-12-02 13:47:00,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:00,460 INFO L225 Difference]: With dead ends: 321 [2024-12-02 13:47:00,460 INFO L226 Difference]: Without dead ends: 238 [2024-12-02 13:47:00,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:47:00,462 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 127 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:00,462 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 387 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:47:00,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-12-02 13:47:00,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 234. [2024-12-02 13:47:00,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 177 states have (on average 1.344632768361582) internal successors, (238), 200 states have internal predecessors, (238), 31 states have call successors, (31), 25 states have call predecessors, (31), 25 states have return successors, (42), 22 states have call predecessors, (42), 31 states have call successors, (42) [2024-12-02 13:47:00,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 311 transitions. [2024-12-02 13:47:00,511 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 311 transitions. Word has length 27 [2024-12-02 13:47:00,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:00,512 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 311 transitions. [2024-12-02 13:47:00,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:47:00,512 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 311 transitions. [2024-12-02 13:47:00,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-02 13:47:00,513 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:00,514 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:00,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:47:00,514 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:00,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:00,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1905316889, now seen corresponding path program 1 times [2024-12-02 13:47:00,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:00,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517796049] [2024-12-02 13:47:00,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:00,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:47:00,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:00,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517796049] [2024-12-02 13:47:00,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517796049] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:00,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:00,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:47:00,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167959655] [2024-12-02 13:47:00,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:00,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:47:00,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:00,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:47:00,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:47:00,570 INFO L87 Difference]: Start difference. First operand 234 states and 311 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:47:00,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:00,591 INFO L93 Difference]: Finished difference Result 412 states and 561 transitions. [2024-12-02 13:47:00,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:47:00,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-12-02 13:47:00,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:00,594 INFO L225 Difference]: With dead ends: 412 [2024-12-02 13:47:00,594 INFO L226 Difference]: Without dead ends: 185 [2024-12-02 13:47:00,595 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:47:00,596 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:00,596 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 49 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:47:00,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-12-02 13:47:00,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 182. [2024-12-02 13:47:00,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 143 states have (on average 1.2727272727272727) internal successors, (182), 154 states have internal predecessors, (182), 19 states have call successors, (19), 19 states have call predecessors, (19), 19 states have return successors, (24), 19 states have call predecessors, (24), 19 states have call successors, (24) [2024-12-02 13:47:00,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 225 transitions. [2024-12-02 13:47:00,616 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 225 transitions. Word has length 29 [2024-12-02 13:47:00,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:00,616 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 225 transitions. [2024-12-02 13:47:00,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:47:00,617 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 225 transitions. [2024-12-02 13:47:00,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-02 13:47:00,618 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:00,619 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 13:47:00,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 13:47:00,619 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:00,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:00,619 INFO L85 PathProgramCache]: Analyzing trace with hash 901269383, now seen corresponding path program 1 times [2024-12-02 13:47:00,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:00,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699473101] [2024-12-02 13:47:00,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:00,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:00,728 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-02 13:47:00,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:00,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699473101] [2024-12-02 13:47:00,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699473101] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:47:00,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672520685] [2024-12-02 13:47:00,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:00,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:47:00,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:47:00,730 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:47:00,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:47:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:00,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 13:47:00,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:47:00,969 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:47:00,970 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:47:01,221 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:47:01,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672520685] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:47:01,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:47:01,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 14 [2024-12-02 13:47:01,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108688025] [2024-12-02 13:47:01,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:47:01,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 13:47:01,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:01,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 13:47:01,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:47:01,225 INFO L87 Difference]: Start difference. First operand 182 states and 225 transitions. Second operand has 14 states, 14 states have (on average 6.428571428571429) internal successors, (90), 13 states have internal predecessors, (90), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-12-02 13:47:01,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:01,469 INFO L93 Difference]: Finished difference Result 245 states and 302 transitions. [2024-12-02 13:47:01,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:47:01,470 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.428571428571429) internal successors, (90), 13 states have internal predecessors, (90), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 52 [2024-12-02 13:47:01,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:01,471 INFO L225 Difference]: With dead ends: 245 [2024-12-02 13:47:01,471 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 13:47:01,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 96 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:47:01,472 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 121 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:01,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 362 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:47:01,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 13:47:01,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 13:47:01,473 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) [2024-12-02 13:47:01,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 13:47:01,473 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2024-12-02 13:47:01,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:01,473 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 13:47:01,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.428571428571429) internal successors, (90), 13 states have internal predecessors, (90), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-12-02 13:47:01,474 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 13:47:01,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 13:47:01,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:47:01,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:47:01,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-12-02 13:47:01,679 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-12-02 13:47:01,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 13:47:02,389 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:47:02,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:47:02 BoogieIcfgContainer [2024-12-02 13:47:02,399 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:47:02,399 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:47:02,399 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:47:02,399 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:47:02,400 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:46:59" (3/4) ... [2024-12-02 13:47:02,401 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 13:47:02,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-12-02 13:47:02,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-12-02 13:47:02,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-12-02 13:47:02,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-12-02 13:47:02,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-12-02 13:47:02,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-12-02 13:47:02,410 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-12-02 13:47:02,410 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-02 13:47:02,410 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 13:47:02,410 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 13:47:02,410 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 13:47:02,478 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 13:47:02,478 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 13:47:02,478 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:47:02,479 INFO L158 Benchmark]: Toolchain (without parser) took 3790.05ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 61.1MB in the end (delta: 30.2MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-12-02 13:47:02,479 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:47:02,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.48ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 73.1MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:47:02,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.15ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 71.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:47:02,480 INFO L158 Benchmark]: Boogie Preprocessor took 39.83ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:47:02,480 INFO L158 Benchmark]: RCFGBuilder took 290.89ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 55.1MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:47:02,480 INFO L158 Benchmark]: TraceAbstraction took 2975.47ms. Allocated memory is still 117.4MB. Free memory was 54.5MB in the beginning and 67.2MB in the end (delta: -12.7MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2024-12-02 13:47:02,481 INFO L158 Benchmark]: Witness Printer took 78.86ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 61.1MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:47:02,482 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.48ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 73.1MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.15ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 71.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.83ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 290.89ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 55.1MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2975.47ms. Allocated memory is still 117.4MB. Free memory was 54.5MB in the beginning and 67.2MB in the end (delta: -12.7MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * Witness Printer took 78.86ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 61.1MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [135] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [173] - GenericResultAtLocation [Line: 272]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [272] - GenericResultAtLocation [Line: 638]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [638] - GenericResultAtLocation [Line: 666]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [666] - GenericResultAtLocation [Line: 826]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [826] - GenericResultAtLocation [Line: 895]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [895] * 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: 900]: 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 7 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 367 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 363 mSDsluCounter, 1288 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 875 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 315 IncrementalHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 413 mSDtfsCounter, 315 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 107 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=4, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 674 SizeOfPredicates, 0 NumberOfNonLiveVariables, 210 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 44/54 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 836]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (splverifierCounter == 0)) && (waterLevel == 1)) || (((pumpRunning == 0) && (2 <= waterLevel)) && (splverifierCounter == 0))) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-12-02 13:47:02,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e766e013-19db-4607-b8f4-ca3edf913208/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE