./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45656baf-f638-4514-bc8c-2ce7204fa4f4/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45656baf-f638-4514-bc8c-2ce7204fa4f4/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45656baf-f638-4514-bc8c-2ce7204fa4f4/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45656baf-f638-4514-bc8c-2ce7204fa4f4/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45656baf-f638-4514-bc8c-2ce7204fa4f4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45656baf-f638-4514-bc8c-2ce7204fa4f4/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:17:16,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:17:16,676 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45656baf-f638-4514-bc8c-2ce7204fa4f4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:17:16,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:17:16,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:17:16,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:17:16,726 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:17:16,726 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:17:16,727 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:17:16,727 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:17:16,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:17:16,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:17:16,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:17:16,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:17:16,729 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:17:16,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:17:16,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:17:16,731 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:17:16,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:17:16,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:17:16,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:17:16,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:17:16,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:17:16,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:17:16,732 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:17:16,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:17:16,732 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:17:16,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:17:16,732 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:17:16,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:17:16,732 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:17:16,732 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:17:16,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:17:16,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:17:16,733 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:17:16,734 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:17:16,734 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:17:16,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:17:16,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:17:16,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:17:16,735 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:17:16,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:17:16,735 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:17:16,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:17:16,735 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:17:16,735 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:17:16,735 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:17:16,735 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:17:16,736 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_45656baf-f638-4514-bc8c-2ce7204fa4f4/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d [2024-11-24 00:17:17,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:17:17,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:17:17,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:17:17,050 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:17:17,051 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:17:17,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45656baf-f638-4514-bc8c-2ce7204fa4f4/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2024-11-24 00:17:20,021 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45656baf-f638-4514-bc8c-2ce7204fa4f4/bin/uautomizer-verify-LYvppIcaGC/data/c3c08ae2e/1177243927d94c16a05365216472a646/FLAG3916da814 [2024-11-24 00:17:20,369 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:17:20,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45656baf-f638-4514-bc8c-2ce7204fa4f4/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2024-11-24 00:17:20,382 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45656baf-f638-4514-bc8c-2ce7204fa4f4/bin/uautomizer-verify-LYvppIcaGC/data/c3c08ae2e/1177243927d94c16a05365216472a646/FLAG3916da814 [2024-11-24 00:17:20,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45656baf-f638-4514-bc8c-2ce7204fa4f4/bin/uautomizer-verify-LYvppIcaGC/data/c3c08ae2e/1177243927d94c16a05365216472a646 [2024-11-24 00:17:20,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:17:20,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:17:20,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:17:20,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:17:20,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:17:20,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:17:20" (1/1) ... [2024-11-24 00:17:20,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46dab861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:17:20, skipping insertion in model container [2024-11-24 00:17:20,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:17:20" (1/1) ... [2024-11-24 00:17:20,463 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:17:20,642 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_45656baf-f638-4514-bc8c-2ce7204fa4f4/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c[5831,5844] [2024-11-24 00:17:20,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:17:20,761 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:17:20,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-11-24 00:17:20,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [224] [2024-11-24 00:17:20,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [294] [2024-11-24 00:17:20,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [375] [2024-11-24 00:17:20,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [384] [2024-11-24 00:17:20,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [750] [2024-11-24 00:17:20,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [788] [2024-11-24 00:17:20,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [827] [2024-11-24 00:17:20,802 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_45656baf-f638-4514-bc8c-2ce7204fa4f4/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c[5831,5844] [2024-11-24 00:17:20,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:17:20,880 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:17:20,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:17:20 WrapperNode [2024-11-24 00:17:20,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:17:20,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:17:20,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:17:20,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:17:20,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:17:20" (1/1) ... [2024-11-24 00:17:20,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:17:20" (1/1) ... [2024-11-24 00:17:20,950 INFO L138 Inliner]: procedures = 53, calls = 97, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 149 [2024-11-24 00:17:20,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:17:20,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:17:20,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:17:20,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:17:20,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:17:20" (1/1) ... [2024-11-24 00:17:20,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:17:20" (1/1) ... [2024-11-24 00:17:20,965 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:17:20" (1/1) ... [2024-11-24 00:17:20,995 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:17:20,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:17:20" (1/1) ... [2024-11-24 00:17:20,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:17:20" (1/1) ... [2024-11-24 00:17:21,004 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:17:20" (1/1) ... [2024-11-24 00:17:21,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:17:20" (1/1) ... [2024-11-24 00:17:21,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:17:20" (1/1) ... [2024-11-24 00:17:21,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:17:20" (1/1) ... [2024-11-24 00:17:21,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:17:20" (1/1) ... [2024-11-24 00:17:21,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:17:21,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:17:21,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:17:21,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:17:21,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:17:20" (1/1) ... [2024-11-24 00:17:21,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:17:21,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45656baf-f638-4514-bc8c-2ce7204fa4f4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:17:21,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45656baf-f638-4514-bc8c-2ce7204fa4f4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:17:21,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45656baf-f638-4514-bc8c-2ce7204fa4f4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:17:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:17:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-24 00:17:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-24 00:17:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-24 00:17:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-24 00:17:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-24 00:17:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-24 00:17:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-24 00:17:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-24 00:17:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-24 00:17:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-24 00:17:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-24 00:17:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-24 00:17:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-24 00:17:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-24 00:17:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:17:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-24 00:17:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-24 00:17:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:17:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:17:21,208 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:17:21,210 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:17:21,540 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-24 00:17:21,540 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:17:21,562 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:17:21,562 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 00:17:21,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:17:21 BoogieIcfgContainer [2024-11-24 00:17:21,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:17:21,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:17:21,568 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:17:21,576 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:17:21,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:17:20" (1/3) ... [2024-11-24 00:17:21,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499f6033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:17:21, skipping insertion in model container [2024-11-24 00:17:21,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:17:20" (2/3) ... [2024-11-24 00:17:21,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499f6033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:17:21, skipping insertion in model container [2024-11-24 00:17:21,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:17:21" (3/3) ... [2024-11-24 00:17:21,580 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product15.cil.c [2024-11-24 00:17:21,601 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:17:21,606 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec2_product15.cil.c that has 9 procedures, 83 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-24 00:17:21,684 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:17:21,703 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;@c38e7fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:17:21,704 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:17:21,709 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 60 states have (on average 1.3833333333333333) internal successors, (83), 67 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:17:21,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-24 00:17:21,719 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:17:21,720 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] [2024-11-24 00:17:21,720 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:17:21,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:17:21,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1141640171, now seen corresponding path program 1 times [2024-11-24 00:17:21,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:17:21,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498406813] [2024-11-24 00:17:21,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:17:21,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:17:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:17:22,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:17:22,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:17:22,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498406813] [2024-11-24 00:17:22,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498406813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:17:22,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:17:22,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:17:22,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6791474] [2024-11-24 00:17:22,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:17:22,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:17:22,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:17:22,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:17:22,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:17:22,081 INFO L87 Difference]: Start difference. First operand has 83 states, 60 states have (on average 1.3833333333333333) internal successors, (83), 67 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 00:17:22,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:17:22,114 INFO L93 Difference]: Finished difference Result 145 states and 192 transitions. [2024-11-24 00:17:22,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:17:22,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-24 00:17:22,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:17:22,124 INFO L225 Difference]: With dead ends: 145 [2024-11-24 00:17:22,124 INFO L226 Difference]: Without dead ends: 66 [2024-11-24 00:17:22,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:17:22,130 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 16 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:17:22,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 152 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:17:22,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-24 00:17:22,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-24 00:17:22,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 48 states have (on average 1.3125) internal successors, (63), 54 states have internal predecessors, (63), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-24 00:17:22,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2024-11-24 00:17:22,179 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 25 [2024-11-24 00:17:22,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:17:22,180 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2024-11-24 00:17:22,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 00:17:22,181 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2024-11-24 00:17:22,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-24 00:17:22,186 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:17:22,186 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:17:22,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:17:22,187 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:17:22,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:17:22,187 INFO L85 PathProgramCache]: Analyzing trace with hash 940332388, now seen corresponding path program 1 times [2024-11-24 00:17:22,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:17:22,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655542549] [2024-11-24 00:17:22,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:17:22,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:17:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:17:22,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:17:22,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:17:22,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655542549] [2024-11-24 00:17:22,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655542549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:17:22,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:17:22,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:17:22,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542666454] [2024-11-24 00:17:22,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:17:22,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:17:22,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:17:22,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:17:22,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:17:22,345 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-24 00:17:22,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:17:22,384 INFO L93 Difference]: Finished difference Result 181 states and 233 transitions. [2024-11-24 00:17:22,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:17:22,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 29 [2024-11-24 00:17:22,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:17:22,386 INFO L225 Difference]: With dead ends: 181 [2024-11-24 00:17:22,386 INFO L226 Difference]: Without dead ends: 123 [2024-11-24 00:17:22,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:17:22,388 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 63 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:17:22,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 169 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:17:22,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-24 00:17:22,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 120. [2024-11-24 00:17:22,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 85 states have (on average 1.3411764705882352) internal successors, (114), 96 states have internal predecessors, (114), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 00:17:22,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 154 transitions. [2024-11-24 00:17:22,412 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 154 transitions. Word has length 29 [2024-11-24 00:17:22,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:17:22,413 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 154 transitions. [2024-11-24 00:17:22,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-24 00:17:22,413 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 154 transitions. [2024-11-24 00:17:22,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-24 00:17:22,414 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:17:22,414 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, 1, 1, 1] [2024-11-24 00:17:22,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:17:22,415 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:17:22,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:17:22,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1704282950, now seen corresponding path program 1 times [2024-11-24 00:17:22,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:17:22,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525031720] [2024-11-24 00:17:22,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:17:22,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:17:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:17:22,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:17:22,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:17:22,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525031720] [2024-11-24 00:17:22,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525031720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:17:22,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:17:22,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:17:22,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292842175] [2024-11-24 00:17:22,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:17:22,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:17:22,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:17:22,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:17:22,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:17:22,618 INFO L87 Difference]: Start difference. First operand 120 states and 154 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:17:22,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:17:22,717 INFO L93 Difference]: Finished difference Result 196 states and 255 transitions. [2024-11-24 00:17:22,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:17:22,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2024-11-24 00:17:22,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:17:22,718 INFO L225 Difference]: With dead ends: 196 [2024-11-24 00:17:22,718 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 00:17:22,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:17:22,720 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 31 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:17:22,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 145 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:17:22,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 00:17:22,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 00:17:22,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:17:22,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 00:17:22,722 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2024-11-24 00:17:22,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:17:22,722 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:17:22,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:17:22,723 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:17:22,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 00:17:22,725 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:17:22,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:17:22,729 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-24 00:17:22,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 00:17:23,125 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:17:23,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:17:23 BoogieIcfgContainer [2024-11-24 00:17:23,142 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:17:23,143 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:17:23,143 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:17:23,143 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:17:23,144 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:17:21" (3/4) ... [2024-11-24 00:17:23,147 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 00:17:23,151 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-24 00:17:23,152 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-24 00:17:23,152 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-24 00:17:23,152 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-24 00:17:23,152 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-24 00:17:23,152 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-24 00:17:23,152 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-11-24 00:17:23,152 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-11-24 00:17:23,163 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-24 00:17:23,163 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-24 00:17:23,163 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-24 00:17:23,164 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 00:17:23,164 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 00:17:23,262 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45656baf-f638-4514-bc8c-2ce7204fa4f4/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:17:23,263 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45656baf-f638-4514-bc8c-2ce7204fa4f4/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 00:17:23,264 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:17:23,266 INFO L158 Benchmark]: Toolchain (without parser) took 2864.14ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.3MB in the beginning and 318.5MB in the end (delta: -225.2MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-11-24 00:17:23,266 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 167.8MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:17:23,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.85ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 75.0MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:17:23,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.09ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 73.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:17:23,268 INFO L158 Benchmark]: Boogie Preprocessor took 71.01ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:17:23,270 INFO L158 Benchmark]: RCFGBuilder took 541.82ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 56.4MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:17:23,270 INFO L158 Benchmark]: TraceAbstraction took 1573.85ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 55.7MB in the beginning and 324.2MB in the end (delta: -268.5MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2024-11-24 00:17:23,270 INFO L158 Benchmark]: Witness Printer took 120.80ms. Allocated memory is still 352.3MB. Free memory was 324.2MB in the beginning and 318.5MB in the end (delta: 5.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:17:23,274 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 167.8MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.85ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 75.0MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.09ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 73.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 71.01ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 541.82ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 56.4MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1573.85ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 55.7MB in the beginning and 324.2MB in the end (delta: -268.5MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * Witness Printer took 120.80ms. Allocated memory is still 352.3MB. Free memory was 324.2MB in the beginning and 318.5MB in the end (delta: 5.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] - GenericResultAtLocation [Line: 224]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [224] - GenericResultAtLocation [Line: 294]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [294] - GenericResultAtLocation [Line: 375]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [375] - GenericResultAtLocation [Line: 384]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [384] - GenericResultAtLocation [Line: 750]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [750] - GenericResultAtLocation [Line: 788]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [788] - GenericResultAtLocation [Line: 827]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [827] * 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: 380]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110 mSDsluCounter, 466 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 234 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 232 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 173 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 237]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-24 00:17:23,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45656baf-f638-4514-bc8c-2ce7204fa4f4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE