./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae2f7a85a5093ad80fd05f69a7d0bbcf9a510999a9154b6f2d8037f035f00930 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:01:28,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:01:29,004 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 08:01:29,008 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:01:29,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:01:29,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:01:29,028 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:01:29,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:01:29,029 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:01:29,029 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:01:29,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:01:29,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:01:29,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:01:29,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:01:29,030 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:01:29,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:01:29,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:01:29,030 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:01:29,030 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:01:29,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:01:29,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:01:29,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:01:29,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:01:29,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:01:29,031 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:01:29,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:01:29,031 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:01:29,031 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:01:29,031 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:01:29,031 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:01:29,031 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:01:29,031 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:01:29,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:01:29,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:01:29,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:01:29,032 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:01:29,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:01:29,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:01:29,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:01:29,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:01:29,032 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:01:29,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:01:29,032 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:01:29,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:01:29,033 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:01:29,033 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:01:29,033 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:01:29,033 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:01:29,033 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_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae2f7a85a5093ad80fd05f69a7d0bbcf9a510999a9154b6f2d8037f035f00930 [2024-12-02 08:01:29,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:01:29,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:01:29,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:01:29,243 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:01:29,244 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:01:29,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2024-12-02 08:01:31,946 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/data/3549b7a88/fea87e3ed4dd45329b8765f1d3269c88/FLAGf9a2c9d07 [2024-12-02 08:01:32,165 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:01:32,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2024-12-02 08:01:32,176 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/data/3549b7a88/fea87e3ed4dd45329b8765f1d3269c88/FLAGf9a2c9d07 [2024-12-02 08:01:32,191 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/data/3549b7a88/fea87e3ed4dd45329b8765f1d3269c88 [2024-12-02 08:01:32,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:01:32,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:01:32,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:01:32,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:01:32,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:01:32,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:01:32" (1/1) ... [2024-12-02 08:01:32,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366d4075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:32, skipping insertion in model container [2024-12-02 08:01:32,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:01:32" (1/1) ... [2024-12-02 08:01:32,227 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:01:32,448 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_08d2f62e-8635-4d63-80d2-6f229f2e0936/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c[17123,17136] [2024-12-02 08:01:32,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:01:32,464 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:01:32,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-12-02 08:01:32,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [150] [2024-12-02 08:01:32,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [252] [2024-12-02 08:01:32,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [618] [2024-12-02 08:01:32,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [646] [2024-12-02 08:01:32,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [868] [2024-12-02 08:01:32,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [877] [2024-12-02 08:01:32,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [946] [2024-12-02 08:01:32,519 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_08d2f62e-8635-4d63-80d2-6f229f2e0936/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c[17123,17136] [2024-12-02 08:01:32,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:01:32,540 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:01:32,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:32 WrapperNode [2024-12-02 08:01:32,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:01:32,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:01:32,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:01:32,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:01:32,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:32" (1/1) ... [2024-12-02 08:01:32,557 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:32" (1/1) ... [2024-12-02 08:01:32,576 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 190 [2024-12-02 08:01:32,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:01:32,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:01:32,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:01:32,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:01:32,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:32" (1/1) ... [2024-12-02 08:01:32,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:32" (1/1) ... [2024-12-02 08:01:32,588 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:32" (1/1) ... [2024-12-02 08:01:32,597 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 08:01:32,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:32" (1/1) ... [2024-12-02 08:01:32,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:32" (1/1) ... [2024-12-02 08:01:32,601 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:32" (1/1) ... [2024-12-02 08:01:32,602 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:32" (1/1) ... [2024-12-02 08:01:32,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:32" (1/1) ... [2024-12-02 08:01:32,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:32" (1/1) ... [2024-12-02 08:01:32,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:32" (1/1) ... [2024-12-02 08:01:32,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:01:32,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:01:32,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:01:32,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:01:32,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:32" (1/1) ... [2024-12-02 08:01:32,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:01:32,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:01:32,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:01:32,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:01:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:01:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-12-02 08:01:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-12-02 08:01:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-12-02 08:01:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-12-02 08:01:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-12-02 08:01:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-12-02 08:01:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-12-02 08:01:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-12-02 08:01:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-12-02 08:01:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-12-02 08:01:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-12-02 08:01:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-12-02 08:01:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-12-02 08:01:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-12-02 08:01:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-12-02 08:01:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-12-02 08:01:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:01:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-12-02 08:01:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-12-02 08:01:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:01:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:01:32,724 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:01:32,725 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:01:32,948 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-12-02 08:01:32,948 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:01:32,958 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:01:32,959 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 08:01:32,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:01:32 BoogieIcfgContainer [2024-12-02 08:01:32,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:01:32,961 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:01:32,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:01:32,966 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:01:32,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:01:32" (1/3) ... [2024-12-02 08:01:32,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b53aa96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:01:32, skipping insertion in model container [2024-12-02 08:01:32,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:32" (2/3) ... [2024-12-02 08:01:32,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b53aa96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:01:32, skipping insertion in model container [2024-12-02 08:01:32,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:01:32" (3/3) ... [2024-12-02 08:01:32,969 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48.cil.c [2024-12-02 08:01:32,983 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:01:32,984 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec1_product48.cil.c that has 10 procedures, 99 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-12-02 08:01:33,033 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:01:33,042 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;@5fbc4e6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:01:33,042 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:01:33,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 72 states have (on average 1.375) internal successors, (99), 81 states have internal predecessors, (99), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 08:01:33,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-02 08:01:33,054 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:33,054 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:33,055 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:01:33,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:33,060 INFO L85 PathProgramCache]: Analyzing trace with hash -2059711164, now seen corresponding path program 1 times [2024-12-02 08:01:33,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:33,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61715667] [2024-12-02 08:01:33,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:33,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:33,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:33,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:33,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61715667] [2024-12-02 08:01:33,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61715667] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:33,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:33,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:01:33,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091080406] [2024-12-02 08:01:33,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:33,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 08:01:33,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:33,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 08:01:33,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:01:33,230 INFO L87 Difference]: Start difference. First operand has 99 states, 72 states have (on average 1.375) internal successors, (99), 81 states have internal predecessors, (99), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 08:01:33,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:33,255 INFO L93 Difference]: Finished difference Result 190 states and 257 transitions. [2024-12-02 08:01:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 08:01:33,256 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-12-02 08:01:33,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:33,263 INFO L225 Difference]: With dead ends: 190 [2024-12-02 08:01:33,263 INFO L226 Difference]: Without dead ends: 90 [2024-12-02 08:01:33,266 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:01:33,268 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:33,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:01:33,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-12-02 08:01:33,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-12-02 08:01:33,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 73 states have internal predecessors, (85), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 08:01:33,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 116 transitions. [2024-12-02 08:01:33,300 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 116 transitions. Word has length 23 [2024-12-02 08:01:33,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:33,300 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 116 transitions. [2024-12-02 08:01:33,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 08:01:33,300 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 116 transitions. [2024-12-02 08:01:33,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-02 08:01:33,302 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:33,302 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:33,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 08:01:33,303 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:01:33,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:33,303 INFO L85 PathProgramCache]: Analyzing trace with hash -827948930, now seen corresponding path program 1 times [2024-12-02 08:01:33,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:33,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715728725] [2024-12-02 08:01:33,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:33,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:33,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:33,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:33,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715728725] [2024-12-02 08:01:33,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715728725] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:33,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:33,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:01:33,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831301726] [2024-12-02 08:01:33,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:33,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:01:33,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:33,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:01:33,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:01:33,398 INFO L87 Difference]: Start difference. First operand 90 states and 116 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 08:01:33,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:33,417 INFO L93 Difference]: Finished difference Result 143 states and 183 transitions. [2024-12-02 08:01:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:01:33,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-12-02 08:01:33,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:33,419 INFO L225 Difference]: With dead ends: 143 [2024-12-02 08:01:33,419 INFO L226 Difference]: Without dead ends: 82 [2024-12-02 08:01:33,420 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:01:33,421 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 17 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:33,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 187 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:01:33,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-12-02 08:01:33,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-12-02 08:01:33,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 68 states have internal predecessors, (79), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-12-02 08:01:33,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 105 transitions. [2024-12-02 08:01:33,432 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 105 transitions. Word has length 23 [2024-12-02 08:01:33,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:33,432 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 105 transitions. [2024-12-02 08:01:33,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 08:01:33,432 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2024-12-02 08:01:33,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-02 08:01:33,433 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:33,433 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:33,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:01:33,434 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:01:33,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:33,434 INFO L85 PathProgramCache]: Analyzing trace with hash 453397039, now seen corresponding path program 1 times [2024-12-02 08:01:33,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:33,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449822216] [2024-12-02 08:01:33,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:33,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:33,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:33,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:33,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449822216] [2024-12-02 08:01:33,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449822216] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:33,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:33,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:01:33,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233768090] [2024-12-02 08:01:33,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:33,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:01:33,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:33,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:01:33,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:01:33,503 INFO L87 Difference]: Start difference. First operand 82 states and 105 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 08:01:33,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:33,534 INFO L93 Difference]: Finished difference Result 230 states and 300 transitions. [2024-12-02 08:01:33,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:01:33,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-12-02 08:01:33,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:33,536 INFO L225 Difference]: With dead ends: 230 [2024-12-02 08:01:33,536 INFO L226 Difference]: Without dead ends: 155 [2024-12-02 08:01:33,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:01:33,537 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 97 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:33,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 216 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:01:33,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-12-02 08:01:33,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 152. [2024-12-02 08:01:33,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 109 states have (on average 1.3394495412844036) internal successors, (146), 124 states have internal predecessors, (146), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 19 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 08:01:33,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 198 transitions. [2024-12-02 08:01:33,557 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 198 transitions. Word has length 28 [2024-12-02 08:01:33,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:33,557 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 198 transitions. [2024-12-02 08:01:33,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 08:01:33,557 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 198 transitions. [2024-12-02 08:01:33,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-02 08:01:33,558 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:33,558 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:33,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 08:01:33,559 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:01:33,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:33,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1068109140, now seen corresponding path program 1 times [2024-12-02 08:01:33,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:33,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495144770] [2024-12-02 08:01:33,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:33,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:33,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:33,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:33,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495144770] [2024-12-02 08:01:33,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495144770] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:33,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:33,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:01:33,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661216454] [2024-12-02 08:01:33,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:33,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:01:33,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:33,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:01:33,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:01:33,671 INFO L87 Difference]: Start difference. First operand 152 states and 198 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 08:01:33,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:33,758 INFO L93 Difference]: Finished difference Result 390 states and 517 transitions. [2024-12-02 08:01:33,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:01:33,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-12-02 08:01:33,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:33,761 INFO L225 Difference]: With dead ends: 390 [2024-12-02 08:01:33,761 INFO L226 Difference]: Without dead ends: 245 [2024-12-02 08:01:33,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:01:33,763 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 60 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:33,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 360 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:01:33,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-12-02 08:01:33,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 244. [2024-12-02 08:01:33,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 177 states have (on average 1.2937853107344632) internal successors, (229), 194 states have internal predecessors, (229), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2024-12-02 08:01:33,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 309 transitions. [2024-12-02 08:01:33,791 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 309 transitions. Word has length 31 [2024-12-02 08:01:33,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:33,792 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 309 transitions. [2024-12-02 08:01:33,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 08:01:33,792 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 309 transitions. [2024-12-02 08:01:33,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-02 08:01:33,794 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:33,794 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] [2024-12-02 08:01:33,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:01:33,794 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:01:33,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:33,795 INFO L85 PathProgramCache]: Analyzing trace with hash 477917034, now seen corresponding path program 1 times [2024-12-02 08:01:33,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:33,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073145835] [2024-12-02 08:01:33,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:33,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:33,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 08:01:33,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:33,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073145835] [2024-12-02 08:01:33,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073145835] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:33,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:33,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:01:33,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425889691] [2024-12-02 08:01:33,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:33,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:01:33,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:33,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:01:33,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:01:33,906 INFO L87 Difference]: Start difference. First operand 244 states and 309 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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) [2024-12-02 08:01:33,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:33,944 INFO L93 Difference]: Finished difference Result 487 states and 635 transitions. [2024-12-02 08:01:33,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:01:33,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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 54 [2024-12-02 08:01:33,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:33,947 INFO L225 Difference]: With dead ends: 487 [2024-12-02 08:01:33,947 INFO L226 Difference]: Without dead ends: 250 [2024-12-02 08:01:33,948 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 [2024-12-02 08:01:33,949 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 0 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 402 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 [2024-12-02 08:01:33,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 402 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:01:33,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-12-02 08:01:33,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2024-12-02 08:01:33,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 183 states have (on average 1.284153005464481) internal successors, (235), 200 states have internal predecessors, (235), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2024-12-02 08:01:33,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 315 transitions. [2024-12-02 08:01:33,975 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 315 transitions. Word has length 54 [2024-12-02 08:01:33,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:33,975 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 315 transitions. [2024-12-02 08:01:33,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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) [2024-12-02 08:01:33,976 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 315 transitions. [2024-12-02 08:01:33,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-02 08:01:33,978 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:33,978 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] [2024-12-02 08:01:33,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 08:01:33,979 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:01:33,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:33,979 INFO L85 PathProgramCache]: Analyzing trace with hash 500549288, now seen corresponding path program 1 times [2024-12-02 08:01:33,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:33,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752943197] [2024-12-02 08:01:33,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:33,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:34,047 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 08:01:34,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:34,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752943197] [2024-12-02 08:01:34,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752943197] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:34,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:34,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:01:34,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282051691] [2024-12-02 08:01:34,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:34,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:01:34,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:34,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:01:34,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:01:34,049 INFO L87 Difference]: Start difference. First operand 250 states and 315 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-12-02 08:01:34,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:34,077 INFO L93 Difference]: Finished difference Result 497 states and 645 transitions. [2024-12-02 08:01:34,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:01:34,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 54 [2024-12-02 08:01:34,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:34,079 INFO L225 Difference]: With dead ends: 497 [2024-12-02 08:01:34,080 INFO L226 Difference]: Without dead ends: 254 [2024-12-02 08:01:34,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:01:34,081 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:34,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 303 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:01:34,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-12-02 08:01:34,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2024-12-02 08:01:34,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 187 states have (on average 1.2780748663101604) internal successors, (239), 204 states have internal predecessors, (239), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2024-12-02 08:01:34,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 319 transitions. [2024-12-02 08:01:34,105 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 319 transitions. Word has length 54 [2024-12-02 08:01:34,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:34,105 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 319 transitions. [2024-12-02 08:01:34,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-12-02 08:01:34,105 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 319 transitions. [2024-12-02 08:01:34,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-02 08:01:34,107 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:34,107 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] [2024-12-02 08:01:34,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 08:01:34,107 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:01:34,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:34,108 INFO L85 PathProgramCache]: Analyzing trace with hash 775308902, now seen corresponding path program 1 times [2024-12-02 08:01:34,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:34,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697936207] [2024-12-02 08:01:34,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:34,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:34,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 08:01:34,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:34,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697936207] [2024-12-02 08:01:34,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697936207] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:34,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:34,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:01:34,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823360326] [2024-12-02 08:01:34,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:34,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:01:34,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:34,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:01:34,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:01:34,194 INFO L87 Difference]: Start difference. First operand 254 states and 319 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 08:01:34,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:34,323 INFO L93 Difference]: Finished difference Result 810 states and 1050 transitions. [2024-12-02 08:01:34,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:01:34,324 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 54 [2024-12-02 08:01:34,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:34,328 INFO L225 Difference]: With dead ends: 810 [2024-12-02 08:01:34,328 INFO L226 Difference]: Without dead ends: 563 [2024-12-02 08:01:34,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:01:34,330 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 132 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:34,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 323 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:01:34,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-12-02 08:01:34,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 551. [2024-12-02 08:01:34,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 406 states have (on average 1.2586206896551724) internal successors, (511), 437 states have internal predecessors, (511), 76 states have call successors, (76), 66 states have call predecessors, (76), 68 states have return successors, (112), 72 states have call predecessors, (112), 76 states have call successors, (112) [2024-12-02 08:01:34,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 699 transitions. [2024-12-02 08:01:34,379 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 699 transitions. Word has length 54 [2024-12-02 08:01:34,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:34,379 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 699 transitions. [2024-12-02 08:01:34,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 08:01:34,379 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 699 transitions. [2024-12-02 08:01:34,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-02 08:01:34,381 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:34,381 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] [2024-12-02 08:01:34,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 08:01:34,382 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:01:34,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:34,382 INFO L85 PathProgramCache]: Analyzing trace with hash 657805440, now seen corresponding path program 1 times [2024-12-02 08:01:34,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:34,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471712648] [2024-12-02 08:01:34,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:34,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:34,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 08:01:34,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:34,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471712648] [2024-12-02 08:01:34,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471712648] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:34,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:34,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 08:01:34,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719278826] [2024-12-02 08:01:34,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:34,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 08:01:34,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:34,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 08:01:34,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 08:01:34,554 INFO L87 Difference]: Start difference. First operand 551 states and 699 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 08:01:34,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:34,906 INFO L93 Difference]: Finished difference Result 1611 states and 2122 transitions. [2024-12-02 08:01:34,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 08:01:34,908 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2024-12-02 08:01:34,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:34,916 INFO L225 Difference]: With dead ends: 1611 [2024-12-02 08:01:34,916 INFO L226 Difference]: Without dead ends: 1067 [2024-12-02 08:01:34,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-12-02 08:01:34,920 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 87 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:34,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 726 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:01:34,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2024-12-02 08:01:35,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1067. [2024-12-02 08:01:35,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1067 states, 778 states have (on average 1.236503856041131) internal successors, (962), 835 states have internal predecessors, (962), 152 states have call successors, (152), 132 states have call predecessors, (152), 136 states have return successors, (240), 144 states have call predecessors, (240), 152 states have call successors, (240) [2024-12-02 08:01:35,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1354 transitions. [2024-12-02 08:01:35,017 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1354 transitions. Word has length 58 [2024-12-02 08:01:35,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:35,018 INFO L471 AbstractCegarLoop]: Abstraction has 1067 states and 1354 transitions. [2024-12-02 08:01:35,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 08:01:35,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1354 transitions. [2024-12-02 08:01:35,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 08:01:35,024 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:35,024 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-12-02 08:01:35,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 08:01:35,025 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:01:35,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:35,025 INFO L85 PathProgramCache]: Analyzing trace with hash 972257695, now seen corresponding path program 1 times [2024-12-02 08:01:35,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:35,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557348057] [2024-12-02 08:01:35,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:35,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:35,086 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 08:01:35,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:35,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557348057] [2024-12-02 08:01:35,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557348057] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:35,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:35,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:01:35,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72670460] [2024-12-02 08:01:35,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:35,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:01:35,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:35,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:01:35,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:01:35,088 INFO L87 Difference]: Start difference. First operand 1067 states and 1354 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 4 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-12-02 08:01:35,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:35,222 INFO L93 Difference]: Finished difference Result 1796 states and 2276 transitions. [2024-12-02 08:01:35,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:01:35,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 4 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 92 [2024-12-02 08:01:35,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:35,227 INFO L225 Difference]: With dead ends: 1796 [2024-12-02 08:01:35,228 INFO L226 Difference]: Without dead ends: 736 [2024-12-02 08:01:35,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:01:35,231 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 128 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:35,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 245 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:01:35,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-12-02 08:01:35,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 724. [2024-12-02 08:01:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 535 states have (on average 1.222429906542056) internal successors, (654), 574 states have internal predecessors, (654), 98 states have call successors, (98), 88 states have call predecessors, (98), 90 states have return successors, (147), 96 states have call predecessors, (147), 98 states have call successors, (147) [2024-12-02 08:01:35,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 899 transitions. [2024-12-02 08:01:35,297 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 899 transitions. Word has length 92 [2024-12-02 08:01:35,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:35,297 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 899 transitions. [2024-12-02 08:01:35,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 4 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-12-02 08:01:35,297 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 899 transitions. [2024-12-02 08:01:35,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-02 08:01:35,301 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:35,301 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:35,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 08:01:35,301 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:01:35,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:35,302 INFO L85 PathProgramCache]: Analyzing trace with hash 2144407123, now seen corresponding path program 1 times [2024-12-02 08:01:35,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:35,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56348616] [2024-12-02 08:01:35,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:35,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:35,441 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-02 08:01:35,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:35,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56348616] [2024-12-02 08:01:35,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56348616] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:01:35,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402185831] [2024-12-02 08:01:35,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:35,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:01:35,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:01:35,444 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:01:35,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:01:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:35,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 08:01:35,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:01:35,662 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-02 08:01:35,662 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:01:35,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402185831] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:35,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:01:35,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-12-02 08:01:35,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145468923] [2024-12-02 08:01:35,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:35,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:01:35,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:35,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:01:35,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:01:35,664 INFO L87 Difference]: Start difference. First operand 724 states and 899 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-02 08:01:36,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:36,087 INFO L93 Difference]: Finished difference Result 1575 states and 2017 transitions. [2024-12-02 08:01:36,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:01:36,088 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 110 [2024-12-02 08:01:36,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:36,095 INFO L225 Difference]: With dead ends: 1575 [2024-12-02 08:01:36,095 INFO L226 Difference]: Without dead ends: 1010 [2024-12-02 08:01:36,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-02 08:01:36,098 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 138 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:36,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 350 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 08:01:36,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2024-12-02 08:01:36,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 1008. [2024-12-02 08:01:36,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 744 states have (on average 1.206989247311828) internal successors, (898), 797 states have internal predecessors, (898), 138 states have call successors, (138), 116 states have call predecessors, (138), 125 states have return successors, (243), 139 states have call predecessors, (243), 138 states have call successors, (243) [2024-12-02 08:01:36,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1279 transitions. [2024-12-02 08:01:36,204 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1279 transitions. Word has length 110 [2024-12-02 08:01:36,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:36,205 INFO L471 AbstractCegarLoop]: Abstraction has 1008 states and 1279 transitions. [2024-12-02 08:01:36,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-02 08:01:36,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1279 transitions. [2024-12-02 08:01:36,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 08:01:36,209 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:36,209 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:36,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:01:36,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 08:01:36,410 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:01:36,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:36,410 INFO L85 PathProgramCache]: Analyzing trace with hash -868242065, now seen corresponding path program 1 times [2024-12-02 08:01:36,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:36,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011811175] [2024-12-02 08:01:36,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:36,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-02 08:01:36,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:36,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011811175] [2024-12-02 08:01:36,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011811175] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:01:36,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638796782] [2024-12-02 08:01:36,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:36,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:01:36,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:01:36,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:01:36,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 08:01:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:36,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 08:01:36,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:01:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-02 08:01:36,820 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:01:36,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638796782] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:36,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:01:36,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-12-02 08:01:36,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912173771] [2024-12-02 08:01:36,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:36,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 08:01:36,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:36,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 08:01:36,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-12-02 08:01:36,823 INFO L87 Difference]: Start difference. First operand 1008 states and 1279 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 08:01:37,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:37,050 INFO L93 Difference]: Finished difference Result 2189 states and 2776 transitions. [2024-12-02 08:01:37,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 08:01:37,051 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 106 [2024-12-02 08:01:37,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:37,053 INFO L225 Difference]: With dead ends: 2189 [2024-12-02 08:01:37,053 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 08:01:37,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-12-02 08:01:37,060 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 66 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:37,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 902 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:01:37,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 08:01:37,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 08:01:37,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:37,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 08:01:37,062 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 106 [2024-12-02 08:01:37,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:37,062 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 08:01:37,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 08:01:37,063 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 08:01:37,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 08:01:37,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 08:01:37,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 08:01:37,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:01:37,268 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:37,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 08:01:41,426 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:01:41,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:01:41 BoogieIcfgContainer [2024-12-02 08:01:41,434 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:01:41,435 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:01:41,435 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:01:41,435 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:01:41,436 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:01:32" (3/4) ... [2024-12-02 08:01:41,437 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 08:01:41,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-12-02 08:01:41,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-12-02 08:01:41,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-12-02 08:01:41,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-12-02 08:01:41,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-12-02 08:01:41,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-12-02 08:01:41,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-12-02 08:01:41,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-12-02 08:01:41,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-12-02 08:01:41,445 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-12-02 08:01:41,445 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-02 08:01:41,445 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 08:01:41,446 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 08:01:41,446 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 08:01:41,530 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 08:01:41,530 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 08:01:41,530 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:01:41,531 INFO L158 Benchmark]: Toolchain (without parser) took 9336.48ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 91.7MB in the beginning and 118.6MB in the end (delta: -26.9MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-12-02 08:01:41,531 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:01:41,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.32ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 73.1MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:01:41,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.53ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 71.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:01:41,532 INFO L158 Benchmark]: Boogie Preprocessor took 30.71ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 69.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:01:41,532 INFO L158 Benchmark]: RCFGBuilder took 350.94ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 52.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:01:41,532 INFO L158 Benchmark]: TraceAbstraction took 8473.35ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 52.2MB in the beginning and 126.9MB in the end (delta: -74.7MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2024-12-02 08:01:41,532 INFO L158 Benchmark]: Witness Printer took 94.97ms. Allocated memory is still 192.9MB. Free memory was 126.9MB in the beginning and 118.6MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:01:41,534 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.32ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 73.1MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.53ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 71.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.71ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 69.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 350.94ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 52.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8473.35ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 52.2MB in the beginning and 126.9MB in the end (delta: -74.7MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. * Witness Printer took 94.97ms. Allocated memory is still 192.9MB. Free memory was 126.9MB in the beginning and 118.6MB in the end (delta: 8.3MB). 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: 150]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [150] - GenericResultAtLocation [Line: 252]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [252] - GenericResultAtLocation [Line: 618]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [618] - GenericResultAtLocation [Line: 646]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [646] - GenericResultAtLocation [Line: 868]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [868] - GenericResultAtLocation [Line: 877]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [877] - GenericResultAtLocation [Line: 946]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [946] * 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: 873]: 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 10 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 743 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 725 mSDsluCounter, 4139 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2761 mSDsCounter, 67 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 728 IncrementalHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 67 mSolverCounterUnsat, 1378 mSDtfsCounter, 728 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 290 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1067occurred in iteration=8, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 30 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 849 NumberOfCodeBlocks, 849 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 836 ConstructedInterpolants, 0 QuantifiedInterpolants, 1330 SizeOfPredicates, 1 NumberOfNonLiveVariables, 669 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 217/224 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: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (splverifierCounter == 0)) && (0 == systemActive)) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (splverifierCounter == 0)) && (0 == systemActive))) || (((methaneLevelCritical == 0) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (splverifierCounter == 0))) - InvariantResult [Line: 887]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-12-02 08:01:41,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d2f62e-8635-4d63-80d2-6f229f2e0936/bin/uautomizer-verify-84ZbGMXZE1/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