./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.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_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/bin/uautomizer-verify-aQ6SnzHsRB --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 8418cf7d163b352a410eb8e80d08e8b0a7ca24d6b01fdd4260cca3324a0a1c4f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:08:12,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:08:12,596 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:08:12,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:08:12,610 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:08:12,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:08:12,648 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:08:12,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:08:12,648 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:08:12,648 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:08:12,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:08:12,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:08:12,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:08:12,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:08:12,651 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:08:12,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:08:12,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:08:12,651 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:08:12,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:08:12,652 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:08:12,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:08:12,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:08:12,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:08:12,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:08:12,652 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:08:12,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:08:12,653 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:08:12,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:08:12,653 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:08:12,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:08:12,653 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:08:12,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:08:12,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:08:12,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:08:12,654 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:08:12,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:08:12,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:08:12,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:08:12,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:08:12,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:08:12,654 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:08:12,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:08:12,655 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:08:12,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:08:12,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:08:12,655 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:08:12,655 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:08:12,655 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:08:12,655 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_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 8418cf7d163b352a410eb8e80d08e8b0a7ca24d6b01fdd4260cca3324a0a1c4f [2024-11-28 03:08:12,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:08:12,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:08:12,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:08:13,000 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:08:13,000 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:08:13,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2024-11-28 03:08:15,927 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/bin/uautomizer-verify-aQ6SnzHsRB/data/f6bbda8ae/880a5cd30c004a2fba75df45f2564354/FLAGd29edd6ca [2024-11-28 03:08:16,258 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:08:16,259 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2024-11-28 03:08:16,272 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/bin/uautomizer-verify-aQ6SnzHsRB/data/f6bbda8ae/880a5cd30c004a2fba75df45f2564354/FLAGd29edd6ca [2024-11-28 03:08:16,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/bin/uautomizer-verify-aQ6SnzHsRB/data/f6bbda8ae/880a5cd30c004a2fba75df45f2564354 [2024-11-28 03:08:16,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:08:16,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:08:16,289 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:08:16,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:08:16,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:08:16,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:08:16" (1/1) ... [2024-11-28 03:08:16,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60dcd1e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:16, skipping insertion in model container [2024-11-28 03:08:16,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:08:16" (1/1) ... [2024-11-28 03:08:16,343 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:08:16,606 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_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c[6402,6415] [2024-11-28 03:08:16,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:08:16,707 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:08:16,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-28 03:08:16,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [145] [2024-11-28 03:08:16,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [212] [2024-11-28 03:08:16,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [369] [2024-11-28 03:08:16,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [407] [2024-11-28 03:08:16,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [416] [2024-11-28 03:08:16,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [782] [2024-11-28 03:08:16,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [821] [2024-11-28 03:08:16,760 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_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c[6402,6415] [2024-11-28 03:08:16,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:08:16,829 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:08:16,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:16 WrapperNode [2024-11-28 03:08:16,830 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:08:16,831 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:08:16,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:08:16,832 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:08:16,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:16" (1/1) ... [2024-11-28 03:08:16,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:16" (1/1) ... [2024-11-28 03:08:16,889 INFO L138 Inliner]: procedures = 53, calls = 94, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 167 [2024-11-28 03:08:16,889 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:08:16,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:08:16,890 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:08:16,890 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:08:16,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:16" (1/1) ... [2024-11-28 03:08:16,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:16" (1/1) ... [2024-11-28 03:08:16,904 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:16" (1/1) ... [2024-11-28 03:08:16,927 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]. [2024-11-28 03:08:16,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:16" (1/1) ... [2024-11-28 03:08:16,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:16" (1/1) ... [2024-11-28 03:08:16,931 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:16" (1/1) ... [2024-11-28 03:08:16,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:16" (1/1) ... [2024-11-28 03:08:16,936 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:16" (1/1) ... [2024-11-28 03:08:16,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:16" (1/1) ... [2024-11-28 03:08:16,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:16" (1/1) ... [2024-11-28 03:08:16,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:08:16,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:08:16,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:08:16,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:08:16,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:16" (1/1) ... [2024-11-28 03:08:16,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:08:16,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:08:16,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:08:16,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:08:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:08:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-28 03:08:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-28 03:08:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-28 03:08:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-28 03:08:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-28 03:08:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-28 03:08:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-28 03:08:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-28 03:08:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-28 03:08:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-28 03:08:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:08:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-28 03:08:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-28 03:08:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:08:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:08:17,080 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:08:17,082 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:08:17,401 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-28 03:08:17,401 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:08:17,412 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:08:17,412 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 03:08:17,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:08:17 BoogieIcfgContainer [2024-11-28 03:08:17,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:08:17,415 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:08:17,416 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:08:17,421 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:08:17,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:08:16" (1/3) ... [2024-11-28 03:08:17,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6dcb65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:08:17, skipping insertion in model container [2024-11-28 03:08:17,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:16" (2/3) ... [2024-11-28 03:08:17,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6dcb65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:08:17, skipping insertion in model container [2024-11-28 03:08:17,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:08:17" (3/3) ... [2024-11-28 03:08:17,425 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2024-11-28 03:08:17,443 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:08:17,445 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec2_product17.cil.c that has 7 procedures, 73 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-28 03:08:17,502 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:08:17,512 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;@7c17f4fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:08:17,513 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:08:17,517 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 62 states have internal predecessors, (79), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 03:08:17,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-28 03:08:17,525 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:08:17,525 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] [2024-11-28 03:08:17,526 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:08:17,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:08:17,534 INFO L85 PathProgramCache]: Analyzing trace with hash -988230266, now seen corresponding path program 1 times [2024-11-28 03:08:17,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:08:17,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138533660] [2024-11-28 03:08:17,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:08:17,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:08:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:08:17,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:08:17,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:08:17,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138533660] [2024-11-28 03:08:17,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138533660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:08:17,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:08:17,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:08:17,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058611448] [2024-11-28 03:08:17,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:08:17,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:08:17,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:08:17,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:08:17,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:08:17,736 INFO L87 Difference]: Start difference. First operand has 73 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 62 states have internal predecessors, (79), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 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) [2024-11-28 03:08:17,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:08:17,775 INFO L93 Difference]: Finished difference Result 137 states and 188 transitions. [2024-11-28 03:08:17,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:08:17,777 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 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 [2024-11-28 03:08:17,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:08:17,786 INFO L225 Difference]: With dead ends: 137 [2024-11-28 03:08:17,787 INFO L226 Difference]: Without dead ends: 64 [2024-11-28 03:08:17,809 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 [2024-11-28 03:08:17,813 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:08:17,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:08:17,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-28 03:08:17,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-28 03:08:17,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 54 states have internal predecessors, (65), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 03:08:17,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 82 transitions. [2024-11-28 03:08:17,864 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 82 transitions. Word has length 25 [2024-11-28 03:08:17,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:08:17,864 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 82 transitions. [2024-11-28 03:08:17,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 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) [2024-11-28 03:08:17,865 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2024-11-28 03:08:17,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-28 03:08:17,868 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:08:17,868 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] [2024-11-28 03:08:17,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:08:17,868 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:08:17,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:08:17,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1458306676, now seen corresponding path program 1 times [2024-11-28 03:08:17,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:08:17,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823537545] [2024-11-28 03:08:17,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:08:17,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:08:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:08:18,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:08:18,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:08:18,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823537545] [2024-11-28 03:08:18,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823537545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:08:18,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:08:18,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:08:18,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711503293] [2024-11-28 03:08:18,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:08:18,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:08:18,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:08:18,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:08:18,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:08:18,014 INFO L87 Difference]: Start difference. First operand 64 states and 82 transitions. 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) [2024-11-28 03:08:18,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:08:18,038 INFO L93 Difference]: Finished difference Result 95 states and 121 transitions. [2024-11-28 03:08:18,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:08:18,042 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 [2024-11-28 03:08:18,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:08:18,043 INFO L225 Difference]: With dead ends: 95 [2024-11-28 03:08:18,043 INFO L226 Difference]: Without dead ends: 56 [2024-11-28 03:08:18,043 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 [2024-11-28 03:08:18,044 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 12 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 125 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 [2024-11-28 03:08:18,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 125 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:08:18,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-28 03:08:18,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-28 03:08:18,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 49 states have internal predecessors, (59), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 03:08:18,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2024-11-28 03:08:18,056 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 71 transitions. Word has length 25 [2024-11-28 03:08:18,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:08:18,057 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 71 transitions. [2024-11-28 03:08:18,057 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) [2024-11-28 03:08:18,059 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2024-11-28 03:08:18,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-28 03:08:18,060 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:08:18,060 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] [2024-11-28 03:08:18,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:08:18,060 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:08:18,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:08:18,061 INFO L85 PathProgramCache]: Analyzing trace with hash -584527690, now seen corresponding path program 1 times [2024-11-28 03:08:18,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:08:18,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319998861] [2024-11-28 03:08:18,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:08:18,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:08:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:08:18,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:08:18,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:08:18,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319998861] [2024-11-28 03:08:18,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319998861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:08:18,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:08:18,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:08:18,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13172701] [2024-11-28 03:08:18,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:08:18,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:08:18,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:08:18,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:08:18,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:08:18,307 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 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) [2024-11-28 03:08:18,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:08:18,427 INFO L93 Difference]: Finished difference Result 104 states and 135 transitions. [2024-11-28 03:08:18,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:08:18,428 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 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 [2024-11-28 03:08:18,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:08:18,429 INFO L225 Difference]: With dead ends: 104 [2024-11-28 03:08:18,429 INFO L226 Difference]: Without dead ends: 56 [2024-11-28 03:08:18,429 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:08:18,430 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 67 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:08:18,430 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 173 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:08:18,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-28 03:08:18,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-28 03:08:18,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 49 states have internal predecessors, (58), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 03:08:18,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2024-11-28 03:08:18,448 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 29 [2024-11-28 03:08:18,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:08:18,449 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2024-11-28 03:08:18,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 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) [2024-11-28 03:08:18,449 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2024-11-28 03:08:18,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-28 03:08:18,450 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:08:18,450 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] [2024-11-28 03:08:18,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:08:18,450 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:08:18,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:08:18,454 INFO L85 PathProgramCache]: Analyzing trace with hash 2546874, now seen corresponding path program 1 times [2024-11-28 03:08:18,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:08:18,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762228961] [2024-11-28 03:08:18,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:08:18,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:08:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:08:18,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:08:18,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:08:18,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762228961] [2024-11-28 03:08:18,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762228961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:08:18,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:08:18,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:08:18,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721545070] [2024-11-28 03:08:18,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:08:18,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:08:18,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:08:18,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:08:18,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:08:18,641 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:08:18,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:08:18,722 INFO L93 Difference]: Finished difference Result 92 states and 117 transitions. [2024-11-28 03:08:18,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:08:18,723 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), 2 states have call successors, (3), 1 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 [2024-11-28 03:08:18,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:08:18,723 INFO L225 Difference]: With dead ends: 92 [2024-11-28 03:08:18,723 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:08:18,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:08:18,725 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 42 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:08:18,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 136 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:08:18,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:08:18,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:08:18,726 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) [2024-11-28 03:08:18,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:08:18,727 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2024-11-28 03:08:18,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:08:18,727 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:08:18,727 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:08:18,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:08:18,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:08:18,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:08:18,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:08:18,733 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-28 03:08:18,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:08:19,044 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:08:19,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:08:19 BoogieIcfgContainer [2024-11-28 03:08:19,063 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:08:19,064 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:08:19,064 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:08:19,064 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:08:19,065 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:08:17" (3/4) ... [2024-11-28 03:08:19,069 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:08:19,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-28 03:08:19,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-28 03:08:19,074 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-28 03:08:19,074 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-28 03:08:19,074 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-28 03:08:19,074 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-28 03:08:19,079 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-28 03:08:19,080 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 03:08:19,080 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 03:08:19,080 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:08:19,081 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:08:19,196 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:08:19,197 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:08:19,197 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:08:19,199 INFO L158 Benchmark]: Toolchain (without parser) took 2909.93ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.2MB in the beginning and 315.4MB in the end (delta: -222.2MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-11-28 03:08:19,199 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:08:19,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.94ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 74.5MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:08:19,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.89ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 72.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:08:19,200 INFO L158 Benchmark]: Boogie Preprocessor took 50.30ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 71.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:08:19,201 INFO L158 Benchmark]: RCFGBuilder took 472.46ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 55.9MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:08:19,201 INFO L158 Benchmark]: TraceAbstraction took 1647.49ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 55.2MB in the beginning and 321.5MB in the end (delta: -266.3MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-28 03:08:19,201 INFO L158 Benchmark]: Witness Printer took 133.25ms. Allocated memory is still 352.3MB. Free memory was 321.5MB in the beginning and 315.4MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:08:19,206 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 541.94ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 74.5MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.89ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 72.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.30ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 71.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 472.46ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 55.9MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1647.49ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 55.2MB in the beginning and 321.5MB in the end (delta: -266.3MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Witness Printer took 133.25ms. Allocated memory is still 352.3MB. Free memory was 321.5MB in the beginning and 315.4MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [145] - GenericResultAtLocation [Line: 212]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [212] - GenericResultAtLocation [Line: 369]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [369] - GenericResultAtLocation [Line: 407]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [407] - GenericResultAtLocation [Line: 416]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [416] - GenericResultAtLocation [Line: 782]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [782] - GenericResultAtLocation [Line: 821]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [821] * 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: 412]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 525 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 251 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 274 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 177 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 157]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-28 03:08:19,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdaf608-4b7c-4a0b-97a2-5bb6baa4656d/bin/uautomizer-verify-aQ6SnzHsRB/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