./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630f81-330f-4fd1-bbc1-a47d095dfade/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630f81-330f-4fd1-bbc1-a47d095dfade/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630f81-330f-4fd1-bbc1-a47d095dfade/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630f81-330f-4fd1-bbc1-a47d095dfade/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630f81-330f-4fd1-bbc1-a47d095dfade/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630f81-330f-4fd1-bbc1-a47d095dfade/bin/utaipan-verify-nQ1chXbOIh --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 1c8f25e27804cc0facc00502a1bb0df9a338e5f80036ad1c7359da3173e08507 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:09:11,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:09:11,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630f81-330f-4fd1-bbc1-a47d095dfade/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:09:11,920 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:09:11,921 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:09:11,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:09:11,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:09:11,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:09:11,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:09:11,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:09:11,945 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:09:11,946 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:09:11,946 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:09:11,947 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:09:11,947 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:09:11,948 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:09:11,948 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:09:11,949 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:09:11,949 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:09:11,950 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:09:11,950 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:09:11,951 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:09:11,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:09:11,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:09:11,952 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:09:11,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:09:11,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:09:11,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:09:11,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:09:11,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:09:11,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:09:11,955 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:09:11,955 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:09:11,955 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:09:11,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:09:11,956 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:09:11,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:09:11,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:09:11,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:09:11,956 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:09:11,956 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:09:11,957 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:09:11,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:09:11,957 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:09:11,957 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:09:11,958 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:09:11,958 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:09:11,958 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630f81-330f-4fd1-bbc1-a47d095dfade/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630f81-330f-4fd1-bbc1-a47d095dfade/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c8f25e27804cc0facc00502a1bb0df9a338e5f80036ad1c7359da3173e08507 [2023-12-02 13:09:12,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:09:12,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:09:12,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:09:12,196 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:09:12,196 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:09:12,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630f81-330f-4fd1-bbc1-a47d095dfade/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2023-12-02 13:09:14,938 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:09:15,157 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:09:15,158 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630f81-330f-4fd1-bbc1-a47d095dfade/sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2023-12-02 13:09:15,171 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630f81-330f-4fd1-bbc1-a47d095dfade/bin/utaipan-verify-nQ1chXbOIh/data/a504d992f/8599e84b4f204e8e94c82b3627e5fe97/FLAG2a8712ab4 [2023-12-02 13:09:15,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630f81-330f-4fd1-bbc1-a47d095dfade/bin/utaipan-verify-nQ1chXbOIh/data/a504d992f/8599e84b4f204e8e94c82b3627e5fe97 [2023-12-02 13:09:15,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:09:15,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:09:15,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:09:15,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:09:15,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:09:15,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:09:15" (1/1) ... [2023-12-02 13:09:15,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e2fbca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:15, skipping insertion in model container [2023-12-02 13:09:15,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:09:15" (1/1) ... [2023-12-02 13:09:15,247 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:09:15,430 WARN L240 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_bb630f81-330f-4fd1-bbc1-a47d095dfade/sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c[4965,4978] [2023-12-02 13:09:15,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:09:15,515 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:09:15,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2023-12-02 13:09:15,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2023-12-02 13:09:15,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [301] [2023-12-02 13:09:15,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [310] [2023-12-02 13:09:15,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [676] [2023-12-02 13:09:15,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [766] [2023-12-02 13:09:15,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [804] [2023-12-02 13:09:15,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [853] [2023-12-02 13:09:15,541 WARN L240 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_bb630f81-330f-4fd1-bbc1-a47d095dfade/sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c[4965,4978] [2023-12-02 13:09:15,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:09:15,596 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:09:15,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:15 WrapperNode [2023-12-02 13:09:15,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:09:15,597 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:09:15,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:09:15,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:09:15,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:15" (1/1) ... [2023-12-02 13:09:15,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:15" (1/1) ... [2023-12-02 13:09:15,635 INFO L138 Inliner]: procedures = 55, calls = 98, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 174 [2023-12-02 13:09:15,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:09:15,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:09:15,636 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:09:15,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:09:15,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:15" (1/1) ... [2023-12-02 13:09:15,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:15" (1/1) ... [2023-12-02 13:09:15,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:15" (1/1) ... [2023-12-02 13:09:15,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:15" (1/1) ... [2023-12-02 13:09:15,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:15" (1/1) ... [2023-12-02 13:09:15,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:15" (1/1) ... [2023-12-02 13:09:15,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:15" (1/1) ... [2023-12-02 13:09:15,662 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:15" (1/1) ... [2023-12-02 13:09:15,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:09:15,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:09:15,666 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:09:15,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:09:15,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:15" (1/1) ... [2023-12-02 13:09:15,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:09:15,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630f81-330f-4fd1-bbc1-a47d095dfade/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:09:15,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630f81-330f-4fd1-bbc1-a47d095dfade/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:09:15,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630f81-330f-4fd1-bbc1-a47d095dfade/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:09:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:09:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-02 13:09:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-02 13:09:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-02 13:09:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-02 13:09:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-02 13:09:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-02 13:09:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-02 13:09:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-02 13:09:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-02 13:09:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-02 13:09:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-02 13:09:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-02 13:09:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:09:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-02 13:09:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-02 13:09:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:09:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:09:15,802 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:09:15,804 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:09:16,002 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:09:16,083 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:09:16,084 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 13:09:16,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:09:16 BoogieIcfgContainer [2023-12-02 13:09:16,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:09:16,088 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:09:16,088 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:09:16,090 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:09:16,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:09:15" (1/3) ... [2023-12-02 13:09:16,091 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd72e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:09:16, skipping insertion in model container [2023-12-02 13:09:16,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:15" (2/3) ... [2023-12-02 13:09:16,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd72e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:09:16, skipping insertion in model container [2023-12-02 13:09:16,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:09:16" (3/3) ... [2023-12-02 13:09:16,093 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product19.cil.c [2023-12-02 13:09:16,106 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:09:16,107 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:09:16,143 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:09:16,148 INFO L357 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, mHoare=true, 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;@1a178474, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:09:16,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:09:16,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 13:09:16,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 13:09:16,160 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:09:16,160 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:09:16,161 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:09:16,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:09:16,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1553958995, now seen corresponding path program 1 times [2023-12-02 13:09:16,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:09:16,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136653640] [2023-12-02 13:09:16,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:09:16,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:09:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:09:16,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 13:09:16,341 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:09:16,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136653640] [2023-12-02 13:09:16,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136653640] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:09:16,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:09:16,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:09:16,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051279969] [2023-12-02 13:09:16,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:09:16,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 13:09:16,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:09:16,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 13:09:16,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:09:16,379 INFO L87 Difference]: Start difference. First operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 13:09:16,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:09:16,437 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2023-12-02 13:09:16,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 13:09:16,439 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2023-12-02 13:09:16,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:09:16,445 INFO L225 Difference]: With dead ends: 116 [2023-12-02 13:09:16,446 INFO L226 Difference]: Without dead ends: 54 [2023-12-02 13:09:16,449 INFO L412 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 [2023-12-02 13:09:16,452 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:09:16,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:09:16,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-12-02 13:09:16,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-12-02 13:09:16,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 41 states have internal predecessors, (47), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 13:09:16,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2023-12-02 13:09:16,488 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 21 [2023-12-02 13:09:16,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:09:16,488 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2023-12-02 13:09:16,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 13:09:16,489 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-12-02 13:09:16,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 13:09:16,491 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:09:16,491 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:09:16,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 13:09:16,492 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:09:16,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:09:16,493 INFO L85 PathProgramCache]: Analyzing trace with hash -927726352, now seen corresponding path program 1 times [2023-12-02 13:09:16,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:09:16,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763060350] [2023-12-02 13:09:16,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:09:16,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:09:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:09:16,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 13:09:16,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:09:16,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763060350] [2023-12-02 13:09:16,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763060350] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:09:16,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:09:16,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:09:16,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544413596] [2023-12-02 13:09:16,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:09:16,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:09:16,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:09:16,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:09:16,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:09:16,595 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 13:09:16,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:09:16,630 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2023-12-02 13:09:16,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:09:16,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-12-02 13:09:16,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:09:16,632 INFO L225 Difference]: With dead ends: 80 [2023-12-02 13:09:16,632 INFO L226 Difference]: Without dead ends: 46 [2023-12-02 13:09:16,633 INFO L412 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 [2023-12-02 13:09:16,635 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 14 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:09:16,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 77 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:09:16,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-12-02 13:09:16,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-12-02 13:09:16,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 36 states have internal predecessors, (41), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-02 13:09:16,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2023-12-02 13:09:16,645 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 22 [2023-12-02 13:09:16,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:09:16,645 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2023-12-02 13:09:16,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 13:09:16,646 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2023-12-02 13:09:16,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 13:09:16,647 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:09:16,647 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:09:16,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 13:09:16,647 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:09:16,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:09:16,648 INFO L85 PathProgramCache]: Analyzing trace with hash -131700905, now seen corresponding path program 1 times [2023-12-02 13:09:16,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:09:16,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331225150] [2023-12-02 13:09:16,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:09:16,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:09:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:09:16,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 13:09:16,766 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:09:16,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331225150] [2023-12-02 13:09:16,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331225150] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:09:16,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:09:16,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:09:16,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297703924] [2023-12-02 13:09:16,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:09:16,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:09:16,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:09:16,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:09:16,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:09:16,769 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 13:09:16,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:09:16,891 INFO L93 Difference]: Finished difference Result 140 states and 187 transitions. [2023-12-02 13:09:16,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:09:16,892 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2023-12-02 13:09:16,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:09:16,894 INFO L225 Difference]: With dead ends: 140 [2023-12-02 13:09:16,895 INFO L226 Difference]: Without dead ends: 96 [2023-12-02 13:09:16,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:09:16,897 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 70 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:09:16,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 141 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:09:16,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-12-02 13:09:16,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 79. [2023-12-02 13:09:16,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 61 states have internal predecessors, (71), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (16), 12 states have call predecessors, (16), 15 states have call successors, (16) [2023-12-02 13:09:16,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 102 transitions. [2023-12-02 13:09:16,915 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 102 transitions. Word has length 25 [2023-12-02 13:09:16,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:09:16,916 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 102 transitions. [2023-12-02 13:09:16,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 13:09:16,916 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2023-12-02 13:09:16,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 13:09:16,918 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:09:16,918 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:09:16,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 13:09:16,918 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:09:16,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:09:16,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1263328583, now seen corresponding path program 1 times [2023-12-02 13:09:16,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:09:16,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215390040] [2023-12-02 13:09:16,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:09:16,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:09:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:09:17,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 13:09:17,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:09:17,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215390040] [2023-12-02 13:09:17,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215390040] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:09:17,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:09:17,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 13:09:17,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114019007] [2023-12-02 13:09:17,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:09:17,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:09:17,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:09:17,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:09:17,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:09:17,047 INFO L87 Difference]: Start difference. First operand 79 states and 102 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 13:09:17,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:09:17,140 INFO L93 Difference]: Finished difference Result 145 states and 190 transitions. [2023-12-02 13:09:17,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:09:17,142 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2023-12-02 13:09:17,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:09:17,142 INFO L225 Difference]: With dead ends: 145 [2023-12-02 13:09:17,142 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 13:09:17,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-02 13:09:17,145 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 25 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:09:17,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 107 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:09:17,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 13:09:17,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 13:09:17,157 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) [2023-12-02 13:09:17,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 13:09:17,157 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2023-12-02 13:09:17,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:09:17,158 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 13:09:17,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 13:09:17,158 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 13:09:17,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 13:09:17,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:09:17,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 13:09:17,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 13:09:17,327 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 203 210) no Hoare annotation was computed. [2023-12-02 13:09:17,328 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 203 210) the Hoare annotation is: true [2023-12-02 13:09:17,328 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 162 168) no Hoare annotation was computed. [2023-12-02 13:09:17,328 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 162 168) the Hoare annotation is: true [2023-12-02 13:09:17,328 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 704 715) the Hoare annotation is: true [2023-12-02 13:09:17,328 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 704 715) no Hoare annotation was computed. [2023-12-02 13:09:17,328 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 855 884) no Hoare annotation was computed. [2023-12-02 13:09:17,329 INFO L902 garLoopResultBuilder]: At program point L865-2(lines 865 879) the Hoare annotation is: true [2023-12-02 13:09:17,329 INFO L902 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: true [2023-12-02 13:09:17,329 INFO L899 garLoopResultBuilder]: For program point L861-1(line 861) no Hoare annotation was computed. [2023-12-02 13:09:17,329 INFO L899 garLoopResultBuilder]: For program point L880(lines 855 884) no Hoare annotation was computed. [2023-12-02 13:09:17,329 INFO L899 garLoopResultBuilder]: For program point L876(line 876) no Hoare annotation was computed. [2023-12-02 13:09:17,329 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 855 884) the Hoare annotation is: true [2023-12-02 13:09:17,329 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 873) no Hoare annotation was computed. [2023-12-02 13:09:17,329 INFO L902 garLoopResultBuilder]: At program point L869-1(lines 869 873) the Hoare annotation is: true [2023-12-02 13:09:17,330 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 849) no Hoare annotation was computed. [2023-12-02 13:09:17,330 INFO L899 garLoopResultBuilder]: For program point L832-1(lines 824 852) no Hoare annotation was computed. [2023-12-02 13:09:17,330 INFO L895 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-02 13:09:17,330 INFO L895 garLoopResultBuilder]: At program point L180(line 180) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-02 13:09:17,330 INFO L899 garLoopResultBuilder]: For program point L837(lines 837 843) no Hoare annotation was computed. [2023-12-02 13:09:17,330 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2023-12-02 13:09:17,331 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 170 194) no Hoare annotation was computed. [2023-12-02 13:09:17,331 INFO L895 garLoopResultBuilder]: At program point L834(line 834) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-02 13:09:17,331 INFO L899 garLoopResultBuilder]: For program point L834-1(line 834) no Hoare annotation was computed. [2023-12-02 13:09:17,331 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 149 155) no Hoare annotation was computed. [2023-12-02 13:09:17,331 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 186) no Hoare annotation was computed. [2023-12-02 13:09:17,331 INFO L899 garLoopResultBuilder]: For program point L306(line 306) no Hoare annotation was computed. [2023-12-02 13:09:17,331 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 191) no Hoare annotation was computed. [2023-12-02 13:09:17,332 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 135 161) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-02 13:09:17,332 INFO L895 garLoopResultBuilder]: At program point L819(line 819) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-02 13:09:17,332 INFO L899 garLoopResultBuilder]: For program point L819-1(line 819) no Hoare annotation was computed. [2023-12-02 13:09:17,332 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 138 160) no Hoare annotation was computed. [2023-12-02 13:09:17,332 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 135 161) no Hoare annotation was computed. [2023-12-02 13:09:17,332 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 306) no Hoare annotation was computed. [2023-12-02 13:09:17,332 INFO L899 garLoopResultBuilder]: For program point L836(lines 836 846) no Hoare annotation was computed. [2023-12-02 13:09:17,333 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-12-02 13:09:17,333 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2023-12-02 13:09:17,333 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-02 13:09:17,333 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-02 13:09:17,333 INFO L895 garLoopResultBuilder]: At program point L292(line 292) the Hoare annotation is: false [2023-12-02 13:09:17,333 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 944) no Hoare annotation was computed. [2023-12-02 13:09:17,333 INFO L899 garLoopResultBuilder]: For program point L937-2(lines 937 944) no Hoare annotation was computed. [2023-12-02 13:09:17,334 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2023-12-02 13:09:17,334 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 13:09:17,334 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2023-12-02 13:09:17,334 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-02 13:09:17,334 INFO L899 garLoopResultBuilder]: For program point L116(lines 55 120) no Hoare annotation was computed. [2023-12-02 13:09:17,334 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-12-02 13:09:17,334 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2023-12-02 13:09:17,334 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 13:09:17,335 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 296) no Hoare annotation was computed. [2023-12-02 13:09:17,335 INFO L899 garLoopResultBuilder]: For program point L290-1(lines 290 296) no Hoare annotation was computed. [2023-12-02 13:09:17,335 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2023-12-02 13:09:17,335 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 107) no Hoare annotation was computed. [2023-12-02 13:09:17,335 INFO L895 garLoopResultBuilder]: At program point L101-2(lines 95 108) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-02 13:09:17,335 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 692 703) no Hoare annotation was computed. [2023-12-02 13:09:17,336 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 692 703) the Hoare annotation is: true [2023-12-02 13:09:17,336 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 222 230) no Hoare annotation was computed. [2023-12-02 13:09:17,336 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 230) the Hoare annotation is: true [2023-12-02 13:09:17,338 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-02 13:09:17,340 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:09:17,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:09:17 BoogieIcfgContainer [2023-12-02 13:09:17,351 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:09:17,352 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:09:17,352 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:09:17,352 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:09:17,352 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:09:16" (3/4) ... [2023-12-02 13:09:17,354 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 13:09:17,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-12-02 13:09:17,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-12-02 13:09:17,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-12-02 13:09:17,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-12-02 13:09:17,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-12-02 13:09:17,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-12-02 13:09:17,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-12-02 13:09:17,366 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2023-12-02 13:09:17,366 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-02 13:09:17,367 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 13:09:17,367 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 13:09:17,368 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 13:09:17,468 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630f81-330f-4fd1-bbc1-a47d095dfade/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 13:09:17,469 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630f81-330f-4fd1-bbc1-a47d095dfade/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 13:09:17,469 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:09:17,470 INFO L158 Benchmark]: Toolchain (without parser) took 2283.09ms. Allocated memory is still 157.3MB. Free memory was 116.2MB in the beginning and 106.7MB in the end (delta: 9.5MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2023-12-02 13:09:17,470 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:09:17,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.69ms. Allocated memory is still 157.3MB. Free memory was 116.1MB in the beginning and 96.6MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 13:09:17,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.57ms. Allocated memory is still 157.3MB. Free memory was 96.6MB in the beginning and 94.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:09:17,472 INFO L158 Benchmark]: Boogie Preprocessor took 28.57ms. Allocated memory is still 157.3MB. Free memory was 94.6MB in the beginning and 93.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:09:17,472 INFO L158 Benchmark]: RCFGBuilder took 419.99ms. Allocated memory is still 157.3MB. Free memory was 93.1MB in the beginning and 70.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 13:09:17,473 INFO L158 Benchmark]: TraceAbstraction took 1263.25ms. Allocated memory is still 157.3MB. Free memory was 69.0MB in the beginning and 113.0MB in the end (delta: -44.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:09:17,473 INFO L158 Benchmark]: Witness Printer took 117.67ms. Allocated memory is still 157.3MB. Free memory was 113.0MB in the beginning and 106.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 13:09:17,475 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.69ms. Allocated memory is still 157.3MB. Free memory was 116.1MB in the beginning and 96.6MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.57ms. Allocated memory is still 157.3MB. Free memory was 96.6MB in the beginning and 94.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.57ms. Allocated memory is still 157.3MB. Free memory was 94.6MB in the beginning and 93.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 419.99ms. Allocated memory is still 157.3MB. Free memory was 93.1MB in the beginning and 70.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1263.25ms. Allocated memory is still 157.3MB. Free memory was 69.0MB in the beginning and 113.0MB in the end (delta: -44.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 117.67ms. Allocated memory is still 157.3MB. Free memory was 113.0MB in the beginning and 106.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 301]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [301] - GenericResultAtLocation [Line: 310]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [310] - GenericResultAtLocation [Line: 676]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [676] - GenericResultAtLocation [Line: 766]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [766] - GenericResultAtLocation [Line: 804]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [804] - GenericResultAtLocation [Line: 853]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [853] * 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: 306]: 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, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 386 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 195 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 191 mSDtfsCounter, 168 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=3, 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 117 PreInvPairs, 128 NumberOfFragments, 84 HoareAnnotationTreeSize, 117 FomulaSimplifications, 9 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 246 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 178 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 65]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-12-02 13:09:17,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630f81-330f-4fd1-bbc1-a47d095dfade/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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