./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC --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 db9cad3d4bb6f197e1ca94da7e6c4fb3038f74aed96fd168a277cfa6f57caad2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:34:06,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:34:06,350 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 18:34:06,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:34:06,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:34:06,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:34:06,389 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:34:06,389 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:34:06,389 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:34:06,390 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:34:06,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:34:06,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:34:06,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:34:06,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:34:06,392 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:34:06,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:34:06,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:34:06,393 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:34:06,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:34:06,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:34:06,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:34:06,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:34:06,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:34:06,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:34:06,393 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:34:06,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:34:06,394 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:34:06,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:34:06,394 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:34:06,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:34:06,394 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:34:06,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:34:06,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:34:06,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:34:06,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:34:06,396 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:34:06,396 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:34:06,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:34:06,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:34:06,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:34:06,396 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:34:06,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:34:06,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:34:06,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:34:06,397 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:34:06,397 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:34:06,397 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:34:06,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:34:06,397 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_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC 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 -> db9cad3d4bb6f197e1ca94da7e6c4fb3038f74aed96fd168a277cfa6f57caad2 [2024-11-23 18:34:06,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:34:06,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:34:06,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:34:06,747 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:34:06,749 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:34:06,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2024-11-23 18:34:09,770 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/data/ff47eb2c2/e6e6f9ba38574fdf8bf4c5cd28146dad/FLAGac428b2fc [2024-11-23 18:34:10,063 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:34:10,064 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2024-11-23 18:34:10,089 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/data/ff47eb2c2/e6e6f9ba38574fdf8bf4c5cd28146dad/FLAGac428b2fc [2024-11-23 18:34:10,114 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/data/ff47eb2c2/e6e6f9ba38574fdf8bf4c5cd28146dad [2024-11-23 18:34:10,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:34:10,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:34:10,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:34:10,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:34:10,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:34:10,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:34:10" (1/1) ... [2024-11-23 18:34:10,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d6e67e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:10, skipping insertion in model container [2024-11-23 18:34:10,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:34:10" (1/1) ... [2024-11-23 18:34:10,184 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:34:10,530 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_45783564-ed2e-4ec7-a153-cf34ae861dde/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c[14935,14948] [2024-11-23 18:34:10,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:34:10,580 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:34:10,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-23 18:34:10,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [160] [2024-11-23 18:34:10,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [211] [2024-11-23 18:34:10,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [577] [2024-11-23 18:34:10,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [680] [2024-11-23 18:34:10,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [689] [2024-11-23 18:34:10,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [757] [2024-11-23 18:34:10,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [985] [2024-11-23 18:34:10,661 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_45783564-ed2e-4ec7-a153-cf34ae861dde/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c[14935,14948] [2024-11-23 18:34:10,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:34:10,704 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:34:10,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:10 WrapperNode [2024-11-23 18:34:10,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:34:10,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:34:10,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:34:10,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:34:10,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:10" (1/1) ... [2024-11-23 18:34:10,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:10" (1/1) ... [2024-11-23 18:34:10,752 INFO L138 Inliner]: procedures = 59, calls = 104, calls flagged for inlining = 28, calls inlined = 25, statements flattened = 234 [2024-11-23 18:34:10,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:34:10,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:34:10,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:34:10,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:34:10,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:10" (1/1) ... [2024-11-23 18:34:10,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:10" (1/1) ... [2024-11-23 18:34:10,768 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:10" (1/1) ... [2024-11-23 18:34:10,797 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]. [2024-11-23 18:34:10,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:10" (1/1) ... [2024-11-23 18:34:10,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:10" (1/1) ... [2024-11-23 18:34:10,813 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:10" (1/1) ... [2024-11-23 18:34:10,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:10" (1/1) ... [2024-11-23 18:34:10,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:10" (1/1) ... [2024-11-23 18:34:10,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:10" (1/1) ... [2024-11-23 18:34:10,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:10" (1/1) ... [2024-11-23 18:34:10,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:34:10,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:34:10,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:34:10,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:34:10,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:10" (1/1) ... [2024-11-23 18:34:10,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:34:10,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:34:10,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:34:10,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:34:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:34:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-23 18:34:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-23 18:34:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-23 18:34:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-23 18:34:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-23 18:34:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-23 18:34:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-23 18:34:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-23 18:34:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-23 18:34:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-23 18:34:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-23 18:34:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-23 18:34:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:34:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-23 18:34:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-23 18:34:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:34:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:34:11,038 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:34:11,041 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:34:11,457 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-23 18:34:11,457 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:34:11,475 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:34:11,478 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 18:34:11,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:34:11 BoogieIcfgContainer [2024-11-23 18:34:11,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:34:11,481 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:34:11,483 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:34:11,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:34:11,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:34:10" (1/3) ... [2024-11-23 18:34:11,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5d9ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:34:11, skipping insertion in model container [2024-11-23 18:34:11,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:10" (2/3) ... [2024-11-23 18:34:11,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5d9ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:34:11, skipping insertion in model container [2024-11-23 18:34:11,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:34:11" (3/3) ... [2024-11-23 18:34:11,493 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2024-11-23 18:34:11,512 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:34:11,514 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec5_product58.cil.c that has 8 procedures, 95 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-23 18:34:11,609 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:34:11,627 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;@3090be7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:34:11,627 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:34:11,632 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 82 states have internal predecessors, (102), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 18:34:11,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-23 18:34:11,646 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:34:11,646 INFO L218 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] [2024-11-23 18:34:11,647 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:34:11,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:11,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1755583713, now seen corresponding path program 1 times [2024-11-23 18:34:11,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:34:11,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816819961] [2024-11-23 18:34:11,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:11,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:34:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:34:12,051 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 18:34:12,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:34:12,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816819961] [2024-11-23 18:34:12,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816819961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:34:12,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:34:12,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:34:12,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263418378] [2024-11-23 18:34:12,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:34:12,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:34:12,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:34:12,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:34:12,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:34:12,089 INFO L87 Difference]: Start difference. First operand has 95 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 82 states have internal predecessors, (102), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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) [2024-11-23 18:34:12,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:34:12,125 INFO L93 Difference]: Finished difference Result 169 states and 226 transitions. [2024-11-23 18:34:12,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:34:12,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 [2024-11-23 18:34:12,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:34:12,134 INFO L225 Difference]: With dead ends: 169 [2024-11-23 18:34:12,134 INFO L226 Difference]: Without dead ends: 78 [2024-11-23 18:34:12,139 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 [2024-11-23 18:34:12,144 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 13 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:34:12,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:34:12,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-23 18:34:12,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-23 18:34:12,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 69 states have internal predecessors, (82), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 18:34:12,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2024-11-23 18:34:12,192 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 32 [2024-11-23 18:34:12,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:34:12,193 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2024-11-23 18:34:12,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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) [2024-11-23 18:34:12,193 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2024-11-23 18:34:12,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-23 18:34:12,195 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:34:12,196 INFO L218 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] [2024-11-23 18:34:12,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 18:34:12,196 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:34:12,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:12,198 INFO L85 PathProgramCache]: Analyzing trace with hash -335836723, now seen corresponding path program 1 times [2024-11-23 18:34:12,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:34:12,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107877621] [2024-11-23 18:34:12,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:12,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:34:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:34:12,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 18:34:12,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:34:12,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107877621] [2024-11-23 18:34:12,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107877621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:34:12,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:34:12,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:34:12,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244154420] [2024-11-23 18:34:12,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:34:12,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:34:12,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:34:12,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:34:12,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:34:12,403 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 18:34:12,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:34:12,486 INFO L93 Difference]: Finished difference Result 148 states and 193 transitions. [2024-11-23 18:34:12,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:34:12,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2024-11-23 18:34:12,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:34:12,490 INFO L225 Difference]: With dead ends: 148 [2024-11-23 18:34:12,490 INFO L226 Difference]: Without dead ends: 78 [2024-11-23 18:34:12,491 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 [2024-11-23 18:34:12,492 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 90 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:34:12,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 286 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:34:12,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-23 18:34:12,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-23 18:34:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 69 states have internal predecessors, (81), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 18:34:12,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 99 transitions. [2024-11-23 18:34:12,519 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 99 transitions. Word has length 37 [2024-11-23 18:34:12,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:34:12,520 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 99 transitions. [2024-11-23 18:34:12,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 18:34:12,521 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2024-11-23 18:34:12,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-23 18:34:12,523 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:34:12,523 INFO L218 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] [2024-11-23 18:34:12,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:34:12,524 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:34:12,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:12,525 INFO L85 PathProgramCache]: Analyzing trace with hash -2145968231, now seen corresponding path program 1 times [2024-11-23 18:34:12,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:34:12,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242471359] [2024-11-23 18:34:12,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:12,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:34:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:34:12,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 18:34:12,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:34:12,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242471359] [2024-11-23 18:34:12,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242471359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:34:12,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:34:12,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:34:12,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590357478] [2024-11-23 18:34:12,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:34:12,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:34:12,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:34:12,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:34:12,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:34:12,670 INFO L87 Difference]: Start difference. First operand 78 states and 99 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 18:34:12,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:34:12,757 INFO L93 Difference]: Finished difference Result 196 states and 255 transitions. [2024-11-23 18:34:12,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:34:12,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 1 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 45 [2024-11-23 18:34:12,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:34:12,764 INFO L225 Difference]: With dead ends: 196 [2024-11-23 18:34:12,764 INFO L226 Difference]: Without dead ends: 126 [2024-11-23 18:34:12,765 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 [2024-11-23 18:34:12,768 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 79 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:34:12,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 169 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:34:12,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-23 18:34:12,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2024-11-23 18:34:12,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 97 states have (on average 1.288659793814433) internal successors, (125), 105 states have internal predecessors, (125), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (18), 14 states have call predecessors, (18), 14 states have call successors, (18) [2024-11-23 18:34:12,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 157 transitions. [2024-11-23 18:34:12,810 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 157 transitions. Word has length 45 [2024-11-23 18:34:12,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:34:12,811 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 157 transitions. [2024-11-23 18:34:12,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 18:34:12,811 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 157 transitions. [2024-11-23 18:34:12,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-23 18:34:12,813 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:34:12,813 INFO L218 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] [2024-11-23 18:34:12,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 18:34:12,813 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:34:12,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:12,814 INFO L85 PathProgramCache]: Analyzing trace with hash -751364264, now seen corresponding path program 1 times [2024-11-23 18:34:12,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:34:12,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904048051] [2024-11-23 18:34:12,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:12,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:34:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:34:13,100 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 18:34:13,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:34:13,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904048051] [2024-11-23 18:34:13,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904048051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:34:13,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:34:13,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:34:13,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727491019] [2024-11-23 18:34:13,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:34:13,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:34:13,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:34:13,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:34:13,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:34:13,103 INFO L87 Difference]: Start difference. First operand 124 states and 157 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 18:34:13,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:34:13,169 INFO L93 Difference]: Finished difference Result 242 states and 317 transitions. [2024-11-23 18:34:13,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:34:13,170 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53 [2024-11-23 18:34:13,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:34:13,171 INFO L225 Difference]: With dead ends: 242 [2024-11-23 18:34:13,172 INFO L226 Difference]: Without dead ends: 126 [2024-11-23 18:34:13,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:34:13,174 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:34:13,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 467 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:34:13,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-23 18:34:13,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-23 18:34:13,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 99 states have (on average 1.2828282828282829) internal successors, (127), 107 states have internal predecessors, (127), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (18), 14 states have call predecessors, (18), 14 states have call successors, (18) [2024-11-23 18:34:13,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 159 transitions. [2024-11-23 18:34:13,206 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 159 transitions. Word has length 53 [2024-11-23 18:34:13,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:34:13,206 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 159 transitions. [2024-11-23 18:34:13,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 18:34:13,207 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2024-11-23 18:34:13,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-23 18:34:13,208 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:34:13,208 INFO L218 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] [2024-11-23 18:34:13,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 18:34:13,209 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:34:13,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:13,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1174066090, now seen corresponding path program 1 times [2024-11-23 18:34:13,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:34:13,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372596455] [2024-11-23 18:34:13,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:13,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:34:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:34:13,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 18:34:13,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:34:13,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372596455] [2024-11-23 18:34:13,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372596455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:34:13,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:34:13,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:34:13,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430042183] [2024-11-23 18:34:13,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:34:13,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:34:13,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:34:13,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:34:13,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:34:13,499 INFO L87 Difference]: Start difference. First operand 126 states and 159 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-23 18:34:13,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:34:13,938 INFO L93 Difference]: Finished difference Result 268 states and 341 transitions. [2024-11-23 18:34:13,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 18:34:13,939 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 53 [2024-11-23 18:34:13,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:34:13,941 INFO L225 Difference]: With dead ends: 268 [2024-11-23 18:34:13,941 INFO L226 Difference]: Without dead ends: 150 [2024-11-23 18:34:13,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-23 18:34:13,947 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 135 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:34:13,947 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 403 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:34:13,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-23 18:34:13,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2024-11-23 18:34:13,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 116 states have (on average 1.2586206896551724) internal successors, (146), 124 states have internal predecessors, (146), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2024-11-23 18:34:13,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 185 transitions. [2024-11-23 18:34:13,978 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 185 transitions. Word has length 53 [2024-11-23 18:34:13,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:34:13,978 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 185 transitions. [2024-11-23 18:34:13,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-23 18:34:13,979 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 185 transitions. [2024-11-23 18:34:13,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-23 18:34:13,984 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:34:13,984 INFO L218 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] [2024-11-23 18:34:13,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 18:34:13,984 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:34:13,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:13,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1116072050, now seen corresponding path program 1 times [2024-11-23 18:34:13,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:34:13,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111142222] [2024-11-23 18:34:13,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:13,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:34:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:34:14,126 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 18:34:14,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:34:14,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111142222] [2024-11-23 18:34:14,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111142222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:34:14,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:34:14,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:34:14,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722898367] [2024-11-23 18:34:14,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:34:14,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:34:14,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:34:14,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:34:14,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:34:14,128 INFO L87 Difference]: Start difference. First operand 148 states and 185 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-23 18:34:14,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:34:14,176 INFO L93 Difference]: Finished difference Result 291 states and 374 transitions. [2024-11-23 18:34:14,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:34:14,178 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2024-11-23 18:34:14,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:34:14,180 INFO L225 Difference]: With dead ends: 291 [2024-11-23 18:34:14,180 INFO L226 Difference]: Without dead ends: 151 [2024-11-23 18:34:14,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:34:14,185 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 0 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:34:14,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 378 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:34:14,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-23 18:34:14,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-11-23 18:34:14,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 119 states have (on average 1.2521008403361344) internal successors, (149), 127 states have internal predecessors, (149), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2024-11-23 18:34:14,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 188 transitions. [2024-11-23 18:34:14,210 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 188 transitions. Word has length 55 [2024-11-23 18:34:14,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:34:14,210 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 188 transitions. [2024-11-23 18:34:14,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-23 18:34:14,210 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 188 transitions. [2024-11-23 18:34:14,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-23 18:34:14,211 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:34:14,212 INFO L218 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] [2024-11-23 18:34:14,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 18:34:14,212 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:34:14,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:14,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1514005522, now seen corresponding path program 1 times [2024-11-23 18:34:14,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:34:14,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91394407] [2024-11-23 18:34:14,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:14,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:34:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:34:14,349 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 18:34:14,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:34:14,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91394407] [2024-11-23 18:34:14,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91394407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:34:14,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:34:14,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:34:14,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811599197] [2024-11-23 18:34:14,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:34:14,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:34:14,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:34:14,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:34:14,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:34:14,351 INFO L87 Difference]: Start difference. First operand 151 states and 188 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-23 18:34:14,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:34:14,515 INFO L93 Difference]: Finished difference Result 463 states and 597 transitions. [2024-11-23 18:34:14,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:34:14,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2024-11-23 18:34:14,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:34:14,525 INFO L225 Difference]: With dead ends: 463 [2024-11-23 18:34:14,526 INFO L226 Difference]: Without dead ends: 320 [2024-11-23 18:34:14,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:34:14,527 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 121 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:34:14,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 316 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:34:14,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-23 18:34:14,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 313. [2024-11-23 18:34:14,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 243 states have (on average 1.2345679012345678) internal successors, (300), 257 states have internal predecessors, (300), 36 states have call successors, (36), 28 states have call predecessors, (36), 33 states have return successors, (61), 38 states have call predecessors, (61), 36 states have call successors, (61) [2024-11-23 18:34:14,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 397 transitions. [2024-11-23 18:34:14,601 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 397 transitions. Word has length 55 [2024-11-23 18:34:14,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:34:14,601 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 397 transitions. [2024-11-23 18:34:14,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-23 18:34:14,601 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 397 transitions. [2024-11-23 18:34:14,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-23 18:34:14,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:34:14,605 INFO L218 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] [2024-11-23 18:34:14,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 18:34:14,606 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:34:14,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:14,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1702549740, now seen corresponding path program 1 times [2024-11-23 18:34:14,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:34:14,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095362976] [2024-11-23 18:34:14,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:14,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:34:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:34:14,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 18:34:14,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:34:14,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095362976] [2024-11-23 18:34:14,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095362976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:34:14,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:34:14,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 18:34:14,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780648327] [2024-11-23 18:34:14,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:34:14,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 18:34:14,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:34:14,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 18:34:14,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:34:14,972 INFO L87 Difference]: Start difference. First operand 313 states and 397 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 9 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-23 18:34:15,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:34:15,592 INFO L93 Difference]: Finished difference Result 826 states and 1108 transitions. [2024-11-23 18:34:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 18:34:15,596 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 9 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 59 [2024-11-23 18:34:15,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:34:15,603 INFO L225 Difference]: With dead ends: 826 [2024-11-23 18:34:15,603 INFO L226 Difference]: Without dead ends: 571 [2024-11-23 18:34:15,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-23 18:34:15,608 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 366 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:34:15,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 561 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 18:34:15,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2024-11-23 18:34:15,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 509. [2024-11-23 18:34:15,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 393 states have (on average 1.2162849872773538) internal successors, (478), 414 states have internal predecessors, (478), 60 states have call successors, (60), 49 states have call predecessors, (60), 55 states have return successors, (106), 61 states have call predecessors, (106), 60 states have call successors, (106) [2024-11-23 18:34:15,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 644 transitions. [2024-11-23 18:34:15,699 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 644 transitions. Word has length 59 [2024-11-23 18:34:15,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:34:15,699 INFO L471 AbstractCegarLoop]: Abstraction has 509 states and 644 transitions. [2024-11-23 18:34:15,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 9 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-23 18:34:15,699 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 644 transitions. [2024-11-23 18:34:15,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-23 18:34:15,704 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:34:15,704 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-23 18:34:15,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 18:34:15,705 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:34:15,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:15,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1556924064, now seen corresponding path program 1 times [2024-11-23 18:34:15,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:34:15,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728197548] [2024-11-23 18:34:15,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:15,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:34:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:34:16,022 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-23 18:34:16,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:34:16,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728197548] [2024-11-23 18:34:16,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728197548] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:34:16,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436865001] [2024-11-23 18:34:16,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:16,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:34:16,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:34:16,030 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:34:16,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:34:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:34:16,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 18:34:16,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:34:16,457 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:34:16,457 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:34:16,740 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-23 18:34:16,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436865001] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:34:16,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:34:16,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 14 [2024-11-23 18:34:16,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790830510] [2024-11-23 18:34:16,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:34:16,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-23 18:34:16,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:34:16,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-23 18:34:16,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-23 18:34:16,743 INFO L87 Difference]: Start difference. First operand 509 states and 644 transitions. Second operand has 14 states, 14 states have (on average 9.357142857142858) internal successors, (131), 12 states have internal predecessors, (131), 5 states have call successors, (17), 4 states have call predecessors, (17), 7 states have return successors, (17), 8 states have call predecessors, (17), 5 states have call successors, (17) [2024-11-23 18:34:17,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:34:17,201 INFO L93 Difference]: Finished difference Result 1071 states and 1387 transitions. [2024-11-23 18:34:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 18:34:17,202 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.357142857142858) internal successors, (131), 12 states have internal predecessors, (131), 5 states have call successors, (17), 4 states have call predecessors, (17), 7 states have return successors, (17), 8 states have call predecessors, (17), 5 states have call successors, (17) Word has length 100 [2024-11-23 18:34:17,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:34:17,203 INFO L225 Difference]: With dead ends: 1071 [2024-11-23 18:34:17,203 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 18:34:17,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 194 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2024-11-23 18:34:17,207 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 138 mSDsluCounter, 1258 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 1472 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:34:17,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1472 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:34:17,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 18:34:17,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 18:34:17,209 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) [2024-11-23 18:34:17,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 18:34:17,209 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2024-11-23 18:34:17,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:34:17,209 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 18:34:17,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.357142857142858) internal successors, (131), 12 states have internal predecessors, (131), 5 states have call successors, (17), 4 states have call predecessors, (17), 7 states have return successors, (17), 8 states have call predecessors, (17), 5 states have call successors, (17) [2024-11-23 18:34:17,210 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 18:34:17,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 18:34:17,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 18:34:17,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 18:34:17,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-23 18:34:17,420 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:34:17,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 18:34:22,615 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:34:22,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:34:22 BoogieIcfgContainer [2024-11-23 18:34:22,630 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:34:22,631 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:34:22,631 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:34:22,631 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:34:22,632 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:34:11" (3/4) ... [2024-11-23 18:34:22,634 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 18:34:22,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-23 18:34:22,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-23 18:34:22,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-23 18:34:22,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-23 18:34:22,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2024-11-23 18:34:22,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-23 18:34:22,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-23 18:34:22,649 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-23 18:34:22,650 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-23 18:34:22,652 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-23 18:34:22,653 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 18:34:22,653 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 18:34:22,761 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 18:34:22,761 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 18:34:22,761 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:34:22,762 INFO L158 Benchmark]: Toolchain (without parser) took 12639.44ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 91.2MB in the beginning and 43.8MB in the end (delta: 47.4MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2024-11-23 18:34:22,762 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:34:22,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 581.39ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 72.2MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:34:22,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.16ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 70.0MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:34:22,763 INFO L158 Benchmark]: Boogie Preprocessor took 81.76ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 68.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:34:22,764 INFO L158 Benchmark]: RCFGBuilder took 640.02ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 50.6MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:34:22,764 INFO L158 Benchmark]: TraceAbstraction took 11148.99ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 49.9MB in the beginning and 50.5MB in the end (delta: -588.5kB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-11-23 18:34:22,764 INFO L158 Benchmark]: Witness Printer took 130.30ms. Allocated memory is still 142.6MB. Free memory was 50.5MB in the beginning and 43.8MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:34:22,766 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 581.39ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 72.2MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.16ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 70.0MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.76ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 68.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 640.02ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 50.6MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11148.99ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 49.9MB in the beginning and 50.5MB in the end (delta: -588.5kB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * Witness Printer took 130.30ms. Allocated memory is still 142.6MB. Free memory was 50.5MB in the beginning and 43.8MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 160]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [160] - GenericResultAtLocation [Line: 211]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [211] - GenericResultAtLocation [Line: 577]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [577] - GenericResultAtLocation [Line: 680]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [680] - GenericResultAtLocation [Line: 689]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [689] - GenericResultAtLocation [Line: 757]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [757] - GenericResultAtLocation [Line: 985]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [985] * 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: 685]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 961 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 942 mSDsluCounter, 4242 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3176 mSDsCounter, 139 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 741 IncrementalHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 139 mSolverCounterUnsat, 1066 mSDtfsCounter, 741 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 287 GetRequests, 220 SyntacticMatches, 4 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=509occurred in iteration=8, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 73 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 589 NumberOfCodeBlocks, 589 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 678 ConstructedInterpolants, 0 QuantifiedInterpolants, 1302 SizeOfPredicates, 2 NumberOfNonLiveVariables, 338 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 98/123 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: 700]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS)) && (0 != systemActive)) && (pumpRunning == 1)) || ((((2 == waterLevel) && (splverifierCounter == 0)) && (0 != systemActive)) && (pumpRunning == 1))) || ((((pumpRunning == 0) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (0 != systemActive))) RESULT: Ultimate proved your program to be correct! [2024-11-23 18:34:22,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45783564-ed2e-4ec7-a153-cf34ae861dde/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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