./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/bin/utaipan-verify-mE87zJ7Ire --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 3a50ab67253fae5e7df12ea55c13381683a6e4b8bfd8fa581a9bc2339e4a05ad --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:32:37,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:32:37,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:32:37,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:32:37,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:32:38,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:32:38,013 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:32:38,014 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:32:38,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:32:38,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:32:38,017 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:32:38,017 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:32:38,018 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:32:38,019 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:32:38,020 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:32:38,020 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:32:38,021 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:32:38,022 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:32:38,022 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:32:38,023 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:32:38,024 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:32:38,024 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:32:38,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:32:38,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:32:38,026 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:32:38,027 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:32:38,028 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:32:38,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:32:38,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:32:38,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:32:38,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:32:38,031 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:32:38,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:32:38,031 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:32:38,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:32:38,032 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:32:38,033 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:32:38,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:38,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:32:38,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:32:38,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:32:38,035 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:32:38,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:32:38,036 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:32:38,036 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:32:38,036 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:32:38,037 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:32:38,037 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_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a50ab67253fae5e7df12ea55c13381683a6e4b8bfd8fa581a9bc2339e4a05ad [2023-11-23 20:32:38,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:32:38,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:32:38,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:32:38,428 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:32:38,428 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:32:38,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2023-11-23 20:32:41,793 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:32:42,055 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:32:42,056 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2023-11-23 20:32:42,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/bin/utaipan-verify-mE87zJ7Ire/data/07588b626/67d50a7fc68747028e80aa67fd6bc841/FLAG629a8f9ed [2023-11-23 20:32:42,091 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/bin/utaipan-verify-mE87zJ7Ire/data/07588b626/67d50a7fc68747028e80aa67fd6bc841 [2023-11-23 20:32:42,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:32:42,096 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:32:42,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:42,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:32:42,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:32:42,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ccc68ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42, skipping insertion in model container [2023-11-23 20:32:42,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,173 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:42,464 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_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c[13476,13489] [2023-11-23 20:32:42,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:42,545 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:32:42,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-23 20:32:42,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [87] [2023-11-23 20:32:42,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [116] [2023-11-23 20:32:42,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [217] [2023-11-23 20:32:42,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [583] [2023-11-23 20:32:42,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] [2023-11-23 20:32:42,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] [2023-11-23 20:32:42,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [874] [2023-11-23 20:32:42,616 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_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c[13476,13489] [2023-11-23 20:32:42,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:42,648 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:32:42,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42 WrapperNode [2023-11-23 20:32:42,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:42,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:42,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:32:42,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:32:42,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,712 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 181 [2023-11-23 20:32:42,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:42,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:32:42,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:32:42,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:32:42,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,741 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:32:42,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:32:42,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:32:42,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:32:42,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:42,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:42,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:32:42,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:32:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:32:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-23 20:32:42,857 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-23 20:32:42,857 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-23 20:32:42,857 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-23 20:32:42,857 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-23 20:32:42,857 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-23 20:32:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-23 20:32:42,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-23 20:32:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-23 20:32:42,858 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-23 20:32:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-23 20:32:42,859 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-23 20:32:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-23 20:32:42,859 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-23 20:32:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:32:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-23 20:32:42,860 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-23 20:32:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:32:42,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:32:42,973 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:32:42,977 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:32:43,363 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:32:43,577 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:32:43,577 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:32:43,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:43 BoogieIcfgContainer [2023-11-23 20:32:43,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:32:43,583 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:32:43,584 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:32:43,589 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:32:43,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:32:42" (1/3) ... [2023-11-23 20:32:43,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12613459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:43, skipping insertion in model container [2023-11-23 20:32:43,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (2/3) ... [2023-11-23 20:32:43,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12613459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:43, skipping insertion in model container [2023-11-23 20:32:43,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:43" (3/3) ... [2023-11-23 20:32:43,596 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product22.cil.c [2023-11-23 20:32:43,617 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:32:43,617 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:32:43,684 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:32:43,693 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;@5dc104ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:32:43,693 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:32:43,699 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 45 states have internal predecessors, (52), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 20:32:43,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:32:43,710 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:43,711 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:43,712 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:43,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:43,718 INFO L85 PathProgramCache]: Analyzing trace with hash -944207192, now seen corresponding path program 1 times [2023-11-23 20:32:43,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:43,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798430182] [2023-11-23 20:32:43,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:43,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:44,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:32:44,056 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:32:44,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798430182] [2023-11-23 20:32:44,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798430182] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:44,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:44,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:32:44,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691797498] [2023-11-23 20:32:44,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:44,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:32:44,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:32:44,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:32:44,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:32:44,133 INFO L87 Difference]: Start difference. First operand has 61 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 45 states have internal predecessors, (52), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2023-11-23 20:32:44,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:44,261 INFO L93 Difference]: Finished difference Result 120 states and 161 transitions. [2023-11-23 20:32:44,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:32:44,264 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 16 [2023-11-23 20:32:44,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:44,273 INFO L225 Difference]: With dead ends: 120 [2023-11-23 20:32:44,274 INFO L226 Difference]: Without dead ends: 56 [2023-11-23 20:32:44,278 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 [2023-11-23 20:32:44,283 INFO L413 NwaCegarLoop]: 61 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, 61 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 [2023-11-23 20:32:44,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:32:44,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-23 20:32:44,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-23 20:32:44,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 41 states have internal predecessors, (44), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-23 20:32:44,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2023-11-23 20:32:44,337 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 71 transitions. Word has length 16 [2023-11-23 20:32:44,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:44,338 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 71 transitions. [2023-11-23 20:32:44,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2023-11-23 20:32:44,338 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2023-11-23 20:32:44,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:32:44,342 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:44,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:44,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:32:44,343 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:44,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:44,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1059631315, now seen corresponding path program 1 times [2023-11-23 20:32:44,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:44,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143625374] [2023-11-23 20:32:44,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:44,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:44,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:32:44,458 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:32:44,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143625374] [2023-11-23 20:32:44,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143625374] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:44,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:44,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:32:44,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861484481] [2023-11-23 20:32:44,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:44,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:32:44,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:32:44,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:32:44,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:32:44,464 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2023-11-23 20:32:44,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:44,539 INFO L93 Difference]: Finished difference Result 89 states and 113 transitions. [2023-11-23 20:32:44,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:32:44,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 [2023-11-23 20:32:44,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:44,545 INFO L225 Difference]: With dead ends: 89 [2023-11-23 20:32:44,545 INFO L226 Difference]: Without dead ends: 48 [2023-11-23 20:32:44,546 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 [2023-11-23 20:32:44,548 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 7 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:44,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 85 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:32:44,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-23 20:32:44,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-23 20:32:44,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 36 states have internal predecessors, (38), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 20:32:44,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 60 transitions. [2023-11-23 20:32:44,572 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 60 transitions. Word has length 17 [2023-11-23 20:32:44,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:44,573 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 60 transitions. [2023-11-23 20:32:44,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2023-11-23 20:32:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-23 20:32:44,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:32:44,575 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:44,576 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:44,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 20:32:44,576 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:44,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:44,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1378789282, now seen corresponding path program 1 times [2023-11-23 20:32:44,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:44,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332399677] [2023-11-23 20:32:44,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:44,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:44,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:32:44,738 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:32:44,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332399677] [2023-11-23 20:32:44,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332399677] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:44,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:44,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:32:44,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990288512] [2023-11-23 20:32:44,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:44,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:32:44,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:32:44,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:32:44,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:32:44,742 INFO L87 Difference]: Start difference. First operand 48 states and 60 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2023-11-23 20:32:44,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:44,812 INFO L93 Difference]: Finished difference Result 83 states and 104 transitions. [2023-11-23 20:32:44,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:32:44,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 19 [2023-11-23 20:32:44,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:44,814 INFO L225 Difference]: With dead ends: 83 [2023-11-23 20:32:44,814 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 20:32:44,815 INFO L412 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 [2023-11-23 20:32:44,817 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 27 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:44,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 53 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:32:44,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 20:32:44,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 20:32:44,819 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) [2023-11-23 20:32:44,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 20:32:44,820 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2023-11-23 20:32:44,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:44,820 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 20:32:44,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2023-11-23 20:32:44,821 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 20:32:44,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:32:44,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:32:44,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 20:32:44,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 20:32:44,908 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 783 790) no Hoare annotation was computed. [2023-11-23 20:32:44,909 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 783 790) the Hoare annotation is: true [2023-11-23 20:32:44,909 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 716 722) no Hoare annotation was computed. [2023-11-23 20:32:44,909 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 716 722) the Hoare annotation is: true [2023-11-23 20:32:44,909 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 623 634) the Hoare annotation is: true [2023-11-23 20:32:44,910 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 623 634) no Hoare annotation was computed. [2023-11-23 20:32:44,910 INFO L895 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 20:32:44,910 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2023-11-23 20:32:44,910 INFO L899 garLoopResultBuilder]: For program point L696-1(lines 695 714) no Hoare annotation was computed. [2023-11-23 20:32:44,910 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 766) no Hoare annotation was computed. [2023-11-23 20:32:44,911 INFO L899 garLoopResultBuilder]: For program point L754(lines 754 771) no Hoare annotation was computed. [2023-11-23 20:32:44,911 INFO L895 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-23 20:32:44,911 INFO L899 garLoopResultBuilder]: For program point L796-1(line 796) no Hoare annotation was computed. [2023-11-23 20:32:44,911 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 109) no Hoare annotation was computed. [2023-11-23 20:32:44,911 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 112) no Hoare annotation was computed. [2023-11-23 20:32:44,911 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 91 115) no Hoare annotation was computed. [2023-11-23 20:32:44,912 INFO L895 garLoopResultBuilder]: At program point L764(line 764) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-23 20:32:44,912 INFO L895 garLoopResultBuilder]: At program point L760(line 760) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-23 20:32:44,912 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 692 715) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 20:32:44,912 INFO L895 garLoopResultBuilder]: At program point L769(line 769) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 20:32:44,913 INFO L899 garLoopResultBuilder]: For program point L769-1(lines 750 774) no Hoare annotation was computed. [2023-11-23 20:32:44,913 INFO L899 garLoopResultBuilder]: For program point L703-1(lines 703 709) no Hoare annotation was computed. [2023-11-23 20:32:44,913 INFO L899 garLoopResultBuilder]: For program point L588(line 588) no Hoare annotation was computed. [2023-11-23 20:32:44,913 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 692 715) no Hoare annotation was computed. [2023-11-23 20:32:44,913 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2023-11-23 20:32:44,914 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 119 148) no Hoare annotation was computed. [2023-11-23 20:32:44,914 INFO L902 garLoopResultBuilder]: At program point L129-2(lines 129 143) the Hoare annotation is: true [2023-11-23 20:32:44,914 INFO L902 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: true [2023-11-23 20:32:44,914 INFO L899 garLoopResultBuilder]: For program point L125-1(line 125) no Hoare annotation was computed. [2023-11-23 20:32:44,915 INFO L899 garLoopResultBuilder]: For program point L144(lines 119 148) no Hoare annotation was computed. [2023-11-23 20:32:44,915 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-11-23 20:32:44,915 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 119 148) the Hoare annotation is: true [2023-11-23 20:32:44,915 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2023-11-23 20:32:44,915 INFO L902 garLoopResultBuilder]: At program point L133-1(lines 133 137) the Hoare annotation is: true [2023-11-23 20:32:44,916 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 635 643) the Hoare annotation is: true [2023-11-23 20:32:44,916 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 635 643) no Hoare annotation was computed. [2023-11-23 20:32:44,916 INFO L895 garLoopResultBuilder]: At program point L923-2(lines 915 928) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 20:32:44,916 INFO L899 garLoopResultBuilder]: For program point L886(lines 885 932) no Hoare annotation was computed. [2023-11-23 20:32:44,916 INFO L895 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 20:32:44,917 INFO L899 garLoopResultBuilder]: For program point L936(lines 875 940) no Hoare annotation was computed. [2023-11-23 20:32:44,917 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 901) no Hoare annotation was computed. [2023-11-23 20:32:44,917 INFO L899 garLoopResultBuilder]: For program point L895-1(lines 895 901) no Hoare annotation was computed. [2023-11-23 20:32:44,917 INFO L895 garLoopResultBuilder]: At program point L933(lines 884 934) the Hoare annotation is: false [2023-11-23 20:32:44,917 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 20:32:44,918 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 20:32:44,918 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 911) no Hoare annotation was computed. [2023-11-23 20:32:44,918 INFO L899 garLoopResultBuilder]: For program point L905-1(lines 905 911) no Hoare annotation was computed. [2023-11-23 20:32:44,918 INFO L895 garLoopResultBuilder]: At program point L930(lines 885 932) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 20:32:44,918 INFO L895 garLoopResultBuilder]: At program point L897(line 897) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 20:32:44,918 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 211) no Hoare annotation was computed. [2023-11-23 20:32:44,919 INFO L899 garLoopResultBuilder]: For program point L204-2(lines 204 211) no Hoare annotation was computed. [2023-11-23 20:32:44,919 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 611 622) no Hoare annotation was computed. [2023-11-23 20:32:44,919 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 611 622) the Hoare annotation is: true [2023-11-23 20:32:44,919 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 724 748) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 20:32:44,919 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-23 20:32:44,920 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-23 20:32:44,920 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 724 748) no Hoare annotation was computed. [2023-11-23 20:32:44,920 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 740) no Hoare annotation was computed. [2023-11-23 20:32:44,920 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 745) no Hoare annotation was computed. [2023-11-23 20:32:44,921 INFO L895 garLoopResultBuilder]: At program point L743(line 743) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 20:32:44,921 INFO L899 garLoopResultBuilder]: For program point L743-1(lines 724 748) no Hoare annotation was computed. [2023-11-23 20:32:44,924 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-23 20:32:44,927 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:32:44,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:32:44 BoogieIcfgContainer [2023-11-23 20:32:44,952 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:32:44,953 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:32:44,954 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:32:44,954 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:32:44,955 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:43" (3/4) ... [2023-11-23 20:32:44,959 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:32:44,963 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-23 20:32:44,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-23 20:32:44,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-23 20:32:44,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-23 20:32:44,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-23 20:32:44,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-23 20:32:44,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-23 20:32:44,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2023-11-23 20:32:44,983 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2023-11-23 20:32:44,984 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-23 20:32:44,985 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 20:32:44,986 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:32:44,987 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:32:45,025 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) [2023-11-23 20:32:45,105 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) [2023-11-23 20:32:45,170 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 20:32:45,170 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 20:32:45,171 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:32:45,173 INFO L158 Benchmark]: Toolchain (without parser) took 3076.71ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 79.9MB in the beginning and 125.7MB in the end (delta: -45.8MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2023-11-23 20:32:45,173 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:45,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.46ms. Allocated memory is still 125.8MB. Free memory was 79.5MB in the beginning and 60.5MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:32:45,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.86ms. Allocated memory is still 125.8MB. Free memory was 60.5MB in the beginning and 58.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:32:45,175 INFO L158 Benchmark]: Boogie Preprocessor took 62.26ms. Allocated memory is still 125.8MB. Free memory was 58.0MB in the beginning and 56.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:32:45,175 INFO L158 Benchmark]: RCFGBuilder took 803.04ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 56.8MB in the beginning and 112.3MB in the end (delta: -55.5MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2023-11-23 20:32:45,176 INFO L158 Benchmark]: TraceAbstraction took 1369.21ms. Allocated memory is still 159.4MB. Free memory was 111.2MB in the beginning and 54.6MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-11-23 20:32:45,176 INFO L158 Benchmark]: Witness Printer took 218.83ms. Allocated memory is still 159.4MB. Free memory was 54.6MB in the beginning and 125.7MB in the end (delta: -71.1MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-11-23 20:32:45,181 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.46ms. Allocated memory is still 125.8MB. Free memory was 79.5MB in the beginning and 60.5MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.86ms. Allocated memory is still 125.8MB. Free memory was 60.5MB in the beginning and 58.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.26ms. Allocated memory is still 125.8MB. Free memory was 58.0MB in the beginning and 56.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 803.04ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 56.8MB in the beginning and 112.3MB in the end (delta: -55.5MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1369.21ms. Allocated memory is still 159.4MB. Free memory was 111.2MB in the beginning and 54.6MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 218.83ms. Allocated memory is still 159.4MB. Free memory was 54.6MB in the beginning and 125.7MB in the end (delta: -71.1MB). Peak memory consumption was 5.5MB. 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,"Specification1_spec.i","") [87] - GenericResultAtLocation [Line: 116]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [116] - GenericResultAtLocation [Line: 217]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [217] - GenericResultAtLocation [Line: 583]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [583] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] - GenericResultAtLocation [Line: 685]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] - GenericResultAtLocation [Line: 874]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [874] * 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: 588]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 199 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 64 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 135 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 109 PreInvPairs, 114 NumberOfFragments, 98 HoareAnnotationTreeSize, 109 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 83 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) RESULT: Ultimate proved your program to be correct! [2023-11-23 20:32:45,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a25a3-a5ea-49e2-a42c-38d3c56e19fe/bin/utaipan-verify-mE87zJ7Ire/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