./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f236da57fa92653d636674a80852c8106739bc443cbd0a5f898a694ed49c247 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:38:36,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:38:36,966 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:38:36,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:38:36,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:38:37,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:38:37,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:38:37,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:38:37,022 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:38:37,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:38:37,023 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:38:37,024 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:38:37,024 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:38:37,024 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:38:37,024 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:38:37,024 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:38:37,024 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:38:37,024 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:38:37,025 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:38:37,025 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:38:37,026 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:38:37,026 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:38:37,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:38:37,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:38:37,027 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:38:37,027 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:38:37,027 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:38:37,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:38:37,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:38:37,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:38:37,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:38:37,029 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:38:37,029 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:38:37,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:38:37,029 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:38:37,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:38:37,029 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:38:37,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:38:37,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:38:37,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:38:37,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:38:37,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:38:37,030 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:38:37,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:38:37,030 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:38:37,030 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:38:37,030 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:38:37,030 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 9f236da57fa92653d636674a80852c8106739bc443cbd0a5f898a694ed49c247 [2024-11-14 04:38:37,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:38:37,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:38:37,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:38:37,443 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:38:37,444 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:38:37,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c Unable to find full path for "g++" [2024-11-14 04:38:39,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:38:40,027 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:38:40,028 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2024-11-14 04:38:40,045 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/bin/utaipan-verify-sOmjnqqW8E/data/b981aa8d9/1617b22093774649a53cafe78b6c39a3/FLAG12517bc72 [2024-11-14 04:38:40,064 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/bin/utaipan-verify-sOmjnqqW8E/data/b981aa8d9/1617b22093774649a53cafe78b6c39a3 [2024-11-14 04:38:40,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:38:40,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:38:40,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:38:40,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:38:40,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:38:40,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:38:40" (1/1) ... [2024-11-14 04:38:40,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68bef5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:40, skipping insertion in model container [2024-11-14 04:38:40,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:38:40" (1/1) ... [2024-11-14 04:38:40,123 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:38:40,351 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_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c[2141,2154] [2024-11-14 04:38:40,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:38:40,563 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:38:40,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-14 04:38:40,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2024-11-14 04:38:40,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [96] [2024-11-14 04:38:40,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [192] [2024-11-14 04:38:40,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [393] [2024-11-14 04:38:40,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [463] [2024-11-14 04:38:40,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [502] [2024-11-14 04:38:40,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [599] [2024-11-14 04:38:40,591 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_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c[2141,2154] [2024-11-14 04:38:40,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:38:40,727 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:38:40,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:40 WrapperNode [2024-11-14 04:38:40,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:38:40,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:38:40,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:38:40,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:38:40,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:40" (1/1) ... [2024-11-14 04:38:40,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:40" (1/1) ... [2024-11-14 04:38:40,812 INFO L138 Inliner]: procedures = 56, calls = 99, calls flagged for inlining = 23, calls inlined = 18, statements flattened = 173 [2024-11-14 04:38:40,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:38:40,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:38:40,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:38:40,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:38:40,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:40" (1/1) ... [2024-11-14 04:38:40,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:40" (1/1) ... [2024-11-14 04:38:40,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:40" (1/1) ... [2024-11-14 04:38:40,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:40" (1/1) ... [2024-11-14 04:38:40,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:40" (1/1) ... [2024-11-14 04:38:40,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:40" (1/1) ... [2024-11-14 04:38:40,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:40" (1/1) ... [2024-11-14 04:38:40,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:40" (1/1) ... [2024-11-14 04:38:40,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:38:40,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:38:40,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:38:40,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:38:40,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:40" (1/1) ... [2024-11-14 04:38:40,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:38:40,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:38:40,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:38:40,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:38:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:38:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-14 04:38:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-14 04:38:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-14 04:38:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-14 04:38:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-14 04:38:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-14 04:38:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-14 04:38:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-14 04:38:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-14 04:38:40,960 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-14 04:38:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-14 04:38:40,960 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-14 04:38:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:38:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-14 04:38:40,960 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-14 04:38:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:38:40,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:38:41,079 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:38:41,082 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:38:41,487 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-14 04:38:41,488 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:38:41,670 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:38:41,673 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 04:38:41,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:38:41 BoogieIcfgContainer [2024-11-14 04:38:41,674 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:38:41,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:38:41,680 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:38:41,688 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:38:41,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:38:40" (1/3) ... [2024-11-14 04:38:41,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d843355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:38:41, skipping insertion in model container [2024-11-14 04:38:41,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:40" (2/3) ... [2024-11-14 04:38:41,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d843355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:38:41, skipping insertion in model container [2024-11-14 04:38:41,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:38:41" (3/3) ... [2024-11-14 04:38:41,692 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product28.cil.c [2024-11-14 04:38:41,711 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:38:41,713 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec2_product28.cil.c that has 8 procedures, 57 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-14 04:38:41,778 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:38:41,793 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=FINITE_AUTOMATA, 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;@4f453138, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:38:41,795 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:38:41,801 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 44 states have internal predecessors, (54), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-14 04:38:41,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-14 04:38:41,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:38:41,814 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:38:41,815 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:38:41,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:38:41,823 INFO L85 PathProgramCache]: Analyzing trace with hash -53871978, now seen corresponding path program 1 times [2024-11-14 04:38:41,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:38:41,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682258437] [2024-11-14 04:38:41,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:38:41,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:38:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:38:42,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:38:42,126 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:38:42,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682258437] [2024-11-14 04:38:42,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682258437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:38:42,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:38:42,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:38:42,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021328311] [2024-11-14 04:38:42,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:38:42,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:38:42,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:38:42,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:38:42,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:38:42,173 INFO L87 Difference]: Start difference. First operand has 57 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 44 states have internal predecessors, (54), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2024-11-14 04:38:42,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:38:42,292 INFO L93 Difference]: Finished difference Result 112 states and 153 transitions. [2024-11-14 04:38:42,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:38:42,295 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 17 [2024-11-14 04:38:42,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:38:42,306 INFO L225 Difference]: With dead ends: 112 [2024-11-14 04:38:42,307 INFO L226 Difference]: Without dead ends: 52 [2024-11-14 04:38:42,312 INFO L431 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 [2024-11-14 04:38:42,318 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:38:42,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:38:42,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-14 04:38:42,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-14 04:38:42,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 40 states have internal predecessors, (46), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 04:38:42,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 67 transitions. [2024-11-14 04:38:42,374 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 67 transitions. Word has length 17 [2024-11-14 04:38:42,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:38:42,375 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 67 transitions. [2024-11-14 04:38:42,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2024-11-14 04:38:42,375 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2024-11-14 04:38:42,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-14 04:38:42,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:38:42,380 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:38:42,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:38:42,381 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:38:42,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:38:42,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1019677338, now seen corresponding path program 1 times [2024-11-14 04:38:42,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:38:42,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450440094] [2024-11-14 04:38:42,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:38:42,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:38:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:38:42,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:38:42,528 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:38:42,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450440094] [2024-11-14 04:38:42,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450440094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:38:42,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:38:42,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:38:42,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726103071] [2024-11-14 04:38:42,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:38:42,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:38:42,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:38:42,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:38:42,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:38:42,531 INFO L87 Difference]: Start difference. First operand 52 states and 67 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-14 04:38:42,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:38:42,594 INFO L93 Difference]: Finished difference Result 76 states and 96 transitions. [2024-11-14 04:38:42,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:38:42,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 18 [2024-11-14 04:38:42,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:38:42,596 INFO L225 Difference]: With dead ends: 76 [2024-11-14 04:38:42,597 INFO L226 Difference]: Without dead ends: 44 [2024-11-14 04:38:42,597 INFO L431 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 [2024-11-14 04:38:42,598 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 14 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:38:42,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 70 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:38:42,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-14 04:38:42,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-14 04:38:42,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 35 states have internal predecessors, (40), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-14 04:38:42,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2024-11-14 04:38:42,611 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 18 [2024-11-14 04:38:42,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:38:42,611 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2024-11-14 04:38:42,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-14 04:38:42,611 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2024-11-14 04:38:42,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-14 04:38:42,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:38:42,612 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:38:42,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:38:42,613 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:38:42,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:38:42,613 INFO L85 PathProgramCache]: Analyzing trace with hash -937439354, now seen corresponding path program 1 times [2024-11-14 04:38:42,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:38:42,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811858261] [2024-11-14 04:38:42,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:38:42,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:38:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:38:42,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:38:42,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:38:42,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811858261] [2024-11-14 04:38:42,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811858261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:38:42,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:38:42,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:38:42,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523661117] [2024-11-14 04:38:42,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:38:42,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:38:42,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:38:42,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:38:42,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:38:42,803 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-14 04:38:42,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:38:42,896 INFO L93 Difference]: Finished difference Result 128 states and 165 transitions. [2024-11-14 04:38:42,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:38:42,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 21 [2024-11-14 04:38:42,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:38:42,898 INFO L225 Difference]: With dead ends: 128 [2024-11-14 04:38:42,899 INFO L226 Difference]: Without dead ends: 86 [2024-11-14 04:38:42,899 INFO L431 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 [2024-11-14 04:38:42,900 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 50 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:38:42,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 95 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:38:42,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-14 04:38:42,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2024-11-14 04:38:42,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 65 states have internal predecessors, (75), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-14 04:38:42,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2024-11-14 04:38:42,918 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 21 [2024-11-14 04:38:42,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:38:42,918 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2024-11-14 04:38:42,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-14 04:38:42,919 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2024-11-14 04:38:42,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-14 04:38:42,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:38:42,920 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:38:42,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:38:42,920 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:38:42,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:38:42,921 INFO L85 PathProgramCache]: Analyzing trace with hash 637785330, now seen corresponding path program 1 times [2024-11-14 04:38:42,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:38:42,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342264524] [2024-11-14 04:38:42,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:38:42,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:38:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:38:43,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:38:43,077 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:38:43,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342264524] [2024-11-14 04:38:43,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342264524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:38:43,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:38:43,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:38:43,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843967933] [2024-11-14 04:38:43,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:38:43,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:38:43,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:38:43,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:38:43,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:38:43,079 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:38:43,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:38:43,182 INFO L93 Difference]: Finished difference Result 148 states and 191 transitions. [2024-11-14 04:38:43,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:38:43,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-14 04:38:43,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:38:43,183 INFO L225 Difference]: With dead ends: 148 [2024-11-14 04:38:43,184 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 04:38:43,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:38:43,187 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 23 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:38:43,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 53 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:38:43,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 04:38:43,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 04:38:43,190 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) [2024-11-14 04:38:43,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 04:38:43,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2024-11-14 04:38:43,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:38:43,190 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 04:38:43,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:38:43,190 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 04:38:43,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 04:38:43,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:38:43,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 04:38:43,199 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-14 04:38:43,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 04:38:43,625 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:38:43,657 WARN L162 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-14 04:38:43,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:38:43 BoogieIcfgContainer [2024-11-14 04:38:43,660 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:38:43,660 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:38:43,661 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:38:43,661 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:38:43,661 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:38:41" (3/4) ... [2024-11-14 04:38:43,664 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 04:38:43,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-14 04:38:43,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-14 04:38:43,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-14 04:38:43,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-14 04:38:43,672 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-14 04:38:43,672 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-14 04:38:43,672 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-14 04:38:43,678 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-11-14 04:38:43,679 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-14 04:38:43,679 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-14 04:38:43,680 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 04:38:43,680 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 04:38:43,707 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) [2024-11-14 04:38:43,733 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) [2024-11-14 04:38:43,784 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:38:43,785 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 04:38:43,785 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:38:43,786 INFO L158 Benchmark]: Toolchain (without parser) took 3717.22ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 80.1MB in the end (delta: 11.0MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-11-14 04:38:43,786 INFO L158 Benchmark]: CDTParser took 2.23ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:38:43,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 658.37ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 72.5MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:38:43,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.16ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 70.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:38:43,787 INFO L158 Benchmark]: Boogie Preprocessor took 47.63ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 69.5MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:38:43,787 INFO L158 Benchmark]: RCFGBuilder took 809.61ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 47.0MB in the end (delta: 22.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:38:43,788 INFO L158 Benchmark]: TraceAbstraction took 1980.44ms. Allocated memory is still 117.4MB. Free memory was 46.5MB in the beginning and 86.7MB in the end (delta: -40.2MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-14 04:38:43,788 INFO L158 Benchmark]: Witness Printer took 124.40ms. Allocated memory is still 117.4MB. Free memory was 86.7MB in the beginning and 80.1MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:38:43,790 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.23ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 658.37ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 72.5MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.16ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 70.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.63ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 69.5MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 809.61ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 47.0MB in the end (delta: 22.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1980.44ms. Allocated memory is still 117.4MB. Free memory was 46.5MB in the beginning and 86.7MB in the end (delta: -40.2MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Witness Printer took 124.40ms. Allocated memory is still 117.4MB. Free memory was 86.7MB in the beginning and 80.1MB in the end (delta: 6.7MB). 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [96] - GenericResultAtLocation [Line: 192]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [192] - GenericResultAtLocation [Line: 393]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [393] - GenericResultAtLocation [Line: 463]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [463] - GenericResultAtLocation [Line: 502]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [502] - GenericResultAtLocation [Line: 599]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [599] * 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: 92]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 275 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 95 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 181 mSDtfsCounter, 95 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=3, InterpolantAutomatonStates: 12, 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 404]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Location Invariant Derived location invariant: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) - ProcedureContractResult [Line: 287]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (systemActive == \old(systemActive))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 228]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 130]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((waterLevel == \old(waterLevel)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 504]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 204]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 142]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 118]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((methaneLevelCritical == \old(methaneLevelCritical)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) RESULT: Ultimate proved your program to be correct! [2024-11-14 04:38:43,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bccea37-abb0-4dc8-840b-d6d129c0f5b3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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