./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_88985cb0-9e25-457a-8fc5-0ef726fb6ede/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88985cb0-9e25-457a-8fc5-0ef726fb6ede/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88985cb0-9e25-457a-8fc5-0ef726fb6ede/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88985cb0-9e25-457a-8fc5-0ef726fb6ede/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88985cb0-9e25-457a-8fc5-0ef726fb6ede/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88985cb0-9e25-457a-8fc5-0ef726fb6ede/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --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 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:07:18,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:07:18,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:07:18,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:07:18,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:07:18,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:07:18,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:07:18,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:07:18,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:07:18,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:07:18,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:07:18,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:07:18,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:07:18,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:07:18,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:07:18,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:07:18,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:07:18,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:07:18,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:07:18,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:07:18,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:07:18,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:07:18,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:07:18,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:07:18,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:07:18,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:07:18,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:07:18,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:07:18,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:07:18,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:07:18,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:07:18,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:07:18,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:07:18,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:07:18,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:07:18,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:07:18,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:07:18,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:07:18,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:07:18,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:07:18,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:07:18,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88985cb0-9e25-457a-8fc5-0ef726fb6ede/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 08:07:18,651 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:07:18,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:07:18,655 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:07:18,656 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:07:18,657 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:07:18,657 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:07:18,657 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:07:18,658 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:07:18,658 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:07:18,658 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:07:18,659 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:07:18,660 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:07:18,660 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:07:18,660 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:07:18,660 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:07:18,661 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:07:18,661 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:07:18,661 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:07:18,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:07:18,662 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:07:18,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:07:18,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:07:18,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:07:18,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:07:18,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:07:18,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:07:18,664 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:07:18,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:07:18,665 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:07:18,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:07:18,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:07:18,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:07:18,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:07:18,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:07:18,667 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:07:18,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:07:18,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:07:18,667 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:07:18,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:07:18,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:07:18,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:07:18,668 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_88985cb0-9e25-457a-8fc5-0ef726fb6ede/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88985cb0-9e25-457a-8fc5-0ef726fb6ede/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 [2022-11-19 08:07:19,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:07:19,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:07:19,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:07:19,040 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:07:19,041 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:07:19,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88985cb0-9e25-457a-8fc5-0ef726fb6ede/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2022-11-19 08:07:19,122 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88985cb0-9e25-457a-8fc5-0ef726fb6ede/bin/utaipan-I9t0OCRTmS/data/b5da47f74/f3d43e6f770042038cbbb296bd8c668e/FLAGdfca8b1b3 [2022-11-19 08:07:19,782 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:07:19,790 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88985cb0-9e25-457a-8fc5-0ef726fb6ede/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2022-11-19 08:07:19,802 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88985cb0-9e25-457a-8fc5-0ef726fb6ede/bin/utaipan-I9t0OCRTmS/data/b5da47f74/f3d43e6f770042038cbbb296bd8c668e/FLAGdfca8b1b3 [2022-11-19 08:07:20,063 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88985cb0-9e25-457a-8fc5-0ef726fb6ede/bin/utaipan-I9t0OCRTmS/data/b5da47f74/f3d43e6f770042038cbbb296bd8c668e [2022-11-19 08:07:20,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:07:20,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:07:20,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:07:20,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:07:20,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:07:20,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:07:20" (1/1) ... [2022-11-19 08:07:20,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15d0fe1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:20, skipping insertion in model container [2022-11-19 08:07:20,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:07:20" (1/1) ... [2022-11-19 08:07:20,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:07:20,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:07:20,458 WARN L234 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_88985cb0-9e25-457a-8fc5-0ef726fb6ede/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c[7574,7587] [2022-11-19 08:07:20,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:07:20,526 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:07:20,568 WARN L234 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_88985cb0-9e25-457a-8fc5-0ef726fb6ede/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c[7574,7587] [2022-11-19 08:07:20,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:07:20,640 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:07:20,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:20 WrapperNode [2022-11-19 08:07:20,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:07:20,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:07:20,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:07:20,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:07:20,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:20" (1/1) ... [2022-11-19 08:07:20,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:20" (1/1) ... [2022-11-19 08:07:20,698 INFO L138 Inliner]: procedures = 53, calls = 97, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 165 [2022-11-19 08:07:20,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:07:20,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:07:20,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:07:20,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:07:20,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:20" (1/1) ... [2022-11-19 08:07:20,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:20" (1/1) ... [2022-11-19 08:07:20,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:20" (1/1) ... [2022-11-19 08:07:20,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:20" (1/1) ... [2022-11-19 08:07:20,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:20" (1/1) ... [2022-11-19 08:07:20,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:20" (1/1) ... [2022-11-19 08:07:20,729 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:20" (1/1) ... [2022-11-19 08:07:20,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:20" (1/1) ... [2022-11-19 08:07:20,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:07:20,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:07:20,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:07:20,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:07:20,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:20" (1/1) ... [2022-11-19 08:07:20,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:07:20,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88985cb0-9e25-457a-8fc5-0ef726fb6ede/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:07:20,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88985cb0-9e25-457a-8fc5-0ef726fb6ede/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:07:20,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88985cb0-9e25-457a-8fc5-0ef726fb6ede/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:07:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:07:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-19 08:07:20,849 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-19 08:07:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-19 08:07:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-19 08:07:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-19 08:07:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-19 08:07:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-19 08:07:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-19 08:07:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-19 08:07:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-19 08:07:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-19 08:07:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-19 08:07:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:07:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-19 08:07:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-19 08:07:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:07:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:07:20,974 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:07:20,976 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:07:21,450 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:07:21,546 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:07:21,546 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 08:07:21,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:07:21 BoogieIcfgContainer [2022-11-19 08:07:21,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:07:21,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:07:21,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:07:21,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:07:21,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:07:20" (1/3) ... [2022-11-19 08:07:21,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16bbf86b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:07:21, skipping insertion in model container [2022-11-19 08:07:21,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:20" (2/3) ... [2022-11-19 08:07:21,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16bbf86b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:07:21, skipping insertion in model container [2022-11-19 08:07:21,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:07:21" (3/3) ... [2022-11-19 08:07:21,569 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product07.cil.c [2022-11-19 08:07:21,589 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:07:21,590 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:07:21,666 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:07:21,673 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=LoopsAndPotentialCycles, 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;@564f4b4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:07:21,674 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:07:21,679 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) [2022-11-19 08:07:21,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-19 08:07:21,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:07:21,691 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] [2022-11-19 08:07:21,692 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:07:21,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:07:21,700 INFO L85 PathProgramCache]: Analyzing trace with hash 361433954, now seen corresponding path program 1 times [2022-11-19 08:07:21,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:07:21,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630684408] [2022-11-19 08:07:21,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:07:21,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:07:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:07:22,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 08:07:22,003 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:07:22,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630684408] [2022-11-19 08:07:22,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630684408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:07:22,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:07:22,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:07:22,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168847222] [2022-11-19 08:07:22,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:07:22,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 08:07:22,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:07:22,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 08:07:22,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:07:22,063 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) [2022-11-19 08:07:22,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:07:22,181 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2022-11-19 08:07:22,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 08:07:22,185 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 [2022-11-19 08:07:22,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:07:22,197 INFO L225 Difference]: With dead ends: 116 [2022-11-19 08:07:22,197 INFO L226 Difference]: Without dead ends: 54 [2022-11-19 08:07:22,206 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 [2022-11-19 08:07:22,210 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:07:22,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:07:22,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-19 08:07:22,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-11-19 08:07:22,255 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) [2022-11-19 08:07:22,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2022-11-19 08:07:22,259 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 21 [2022-11-19 08:07:22,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:07:22,260 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2022-11-19 08:07:22,260 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) [2022-11-19 08:07:22,260 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2022-11-19 08:07:22,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 08:07:22,263 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:07:22,263 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] [2022-11-19 08:07:22,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:07:22,263 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:07:22,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:07:22,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1563861956, now seen corresponding path program 1 times [2022-11-19 08:07:22,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:07:22,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541770647] [2022-11-19 08:07:22,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:07:22,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:07:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:07:22,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 08:07:22,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:07:22,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541770647] [2022-11-19 08:07:22,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541770647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:07:22,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:07:22,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:07:22,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530695174] [2022-11-19 08:07:22,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:07:22,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:07:22,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:07:22,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:07:22,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:07:22,387 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) [2022-11-19 08:07:22,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:07:22,460 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2022-11-19 08:07:22,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:07:22,461 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 [2022-11-19 08:07:22,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:07:22,466 INFO L225 Difference]: With dead ends: 80 [2022-11-19 08:07:22,467 INFO L226 Difference]: Without dead ends: 46 [2022-11-19 08:07:22,472 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 [2022-11-19 08:07:22,474 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 [2022-11-19 08:07:22,475 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] [2022-11-19 08:07:22,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-19 08:07:22,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-19 08:07:22,485 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) [2022-11-19 08:07:22,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2022-11-19 08:07:22,486 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 22 [2022-11-19 08:07:22,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:07:22,486 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2022-11-19 08:07:22,487 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) [2022-11-19 08:07:22,487 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2022-11-19 08:07:22,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-19 08:07:22,488 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:07:22,488 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] [2022-11-19 08:07:22,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:07:22,489 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:07:22,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:07:22,490 INFO L85 PathProgramCache]: Analyzing trace with hash 2012227643, now seen corresponding path program 1 times [2022-11-19 08:07:22,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:07:22,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167545470] [2022-11-19 08:07:22,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:07:22,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:07:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:07:22,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 08:07:22,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:07:22,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167545470] [2022-11-19 08:07:22,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167545470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:07:22,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:07:22,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:07:22,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968774123] [2022-11-19 08:07:22,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:07:22,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:07:22,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:07:22,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:07:22,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:07:22,627 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2022-11-19 08:07:22,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:07:22,714 INFO L93 Difference]: Finished difference Result 134 states and 174 transitions. [2022-11-19 08:07:22,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:07:22,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 [2022-11-19 08:07:22,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:07:22,723 INFO L225 Difference]: With dead ends: 134 [2022-11-19 08:07:22,723 INFO L226 Difference]: Without dead ends: 90 [2022-11-19 08:07:22,724 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 [2022-11-19 08:07:22,725 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 44 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:07:22,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 109 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:07:22,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-19 08:07:22,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2022-11-19 08:07:22,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-19 08:07:22,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 113 transitions. [2022-11-19 08:07:22,753 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 113 transitions. Word has length 25 [2022-11-19 08:07:22,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:07:22,753 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 113 transitions. [2022-11-19 08:07:22,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2022-11-19 08:07:22,754 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2022-11-19 08:07:22,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-19 08:07:22,755 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:07:22,755 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] [2022-11-19 08:07:22,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:07:22,755 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:07:22,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:07:22,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1169687054, now seen corresponding path program 1 times [2022-11-19 08:07:22,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:07:22,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801237607] [2022-11-19 08:07:22,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:07:22,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:07:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:07:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:07:23,033 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:07:23,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801237607] [2022-11-19 08:07:23,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801237607] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:07:23,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:07:23,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 08:07:23,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564839193] [2022-11-19 08:07:23,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:07:23,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:07:23,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:07:23,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:07:23,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:07:23,036 INFO L87 Difference]: Start difference. First operand 87 states and 113 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) [2022-11-19 08:07:23,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:07:23,216 INFO L93 Difference]: Finished difference Result 160 states and 207 transitions. [2022-11-19 08:07:23,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:07:23,217 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 [2022-11-19 08:07:23,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:07:23,219 INFO L225 Difference]: With dead ends: 160 [2022-11-19 08:07:23,219 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 08:07:23,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:07:23,226 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 26 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 110 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 [2022-11-19 08:07:23,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 110 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:07:23,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 08:07:23,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 08:07:23,235 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) [2022-11-19 08:07:23,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 08:07:23,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-11-19 08:07:23,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:07:23,237 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 08:07:23,237 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) [2022-11-19 08:07:23,237 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 08:07:23,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 08:07:23,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 08:07:23,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:07:23,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 08:07:23,651 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 432 439) the Hoare annotation is: true [2022-11-19 08:07:23,651 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 432 439) no Hoare annotation was computed. [2022-11-19 08:07:23,651 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 391 397) no Hoare annotation was computed. [2022-11-19 08:07:23,651 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 391 397) the Hoare annotation is: true [2022-11-19 08:07:23,652 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 186 197) the Hoare annotation is: true [2022-11-19 08:07:23,652 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 186 197) no Hoare annotation was computed. [2022-11-19 08:07:23,652 INFO L895 garLoopResultBuilder]: At program point L378-1(lines 378 384) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 08:07:23,652 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 415) no Hoare annotation was computed. [2022-11-19 08:07:23,652 INFO L895 garLoopResultBuilder]: At program point L403(lines 403 420) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 08:07:23,652 INFO L895 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 08:07:23,652 INFO L899 garLoopResultBuilder]: For program point L271-1(line 271) no Hoare annotation was computed. [2022-11-19 08:07:23,653 INFO L899 garLoopResultBuilder]: For program point L371-2(lines 367 389) no Hoare annotation was computed. [2022-11-19 08:07:23,653 INFO L895 garLoopResultBuilder]: At program point L516(line 516) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-19 08:07:23,653 INFO L895 garLoopResultBuilder]: At program point L256(line 256) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 08:07:23,653 INFO L895 garLoopResultBuilder]: At program point L256-1(line 256) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 08:07:23,653 INFO L895 garLoopResultBuilder]: At program point L413(line 413) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-19 08:07:23,653 INFO L895 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-19 08:07:23,654 INFO L899 garLoopResultBuilder]: For program point L273(lines 273 283) no Hoare annotation was computed. [2022-11-19 08:07:23,654 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 286) no Hoare annotation was computed. [2022-11-19 08:07:23,654 INFO L895 garLoopResultBuilder]: At program point L269-1(lines 261 289) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 08:07:23,654 INFO L895 garLoopResultBuilder]: At program point L418(line 418) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 08:07:23,654 INFO L895 garLoopResultBuilder]: At program point L418-1(lines 399 423) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 08:07:23,654 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 280) no Hoare annotation was computed. [2022-11-19 08:07:23,655 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 364 390) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 08:07:23,655 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 364 390) no Hoare annotation was computed. [2022-11-19 08:07:23,655 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2022-11-19 08:07:23,655 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-19 08:07:23,655 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-19 08:07:23,656 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-19 08:07:23,656 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-19 08:07:23,656 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-19 08:07:23,656 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-19 08:07:23,656 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-19 08:07:23,656 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-19 08:07:23,656 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-19 08:07:23,657 INFO L902 garLoopResultBuilder]: At program point L353(lines 292 357) the Hoare annotation is: true [2022-11-19 08:07:23,657 INFO L899 garLoopResultBuilder]: For program point L312(lines 312 318) no Hoare annotation was computed. [2022-11-19 08:07:23,657 INFO L899 garLoopResultBuilder]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2022-11-19 08:07:23,657 INFO L895 garLoopResultBuilder]: At program point L502(line 502) the Hoare annotation is: false [2022-11-19 08:07:23,657 INFO L895 garLoopResultBuilder]: At program point L350(lines 301 351) the Hoare annotation is: false [2022-11-19 08:07:23,657 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-19 08:07:23,657 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 344) no Hoare annotation was computed. [2022-11-19 08:07:23,658 INFO L895 garLoopResultBuilder]: At program point L338-2(lines 332 345) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 08:07:23,659 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 328) no Hoare annotation was computed. [2022-11-19 08:07:23,659 INFO L899 garLoopResultBuilder]: For program point L322-1(lines 322 328) no Hoare annotation was computed. [2022-11-19 08:07:23,659 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 08:07:23,659 INFO L895 garLoopResultBuilder]: At program point L347(lines 302 349) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 08:07:23,660 INFO L895 garLoopResultBuilder]: At program point L314(line 314) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 08:07:23,660 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed. [2022-11-19 08:07:23,660 INFO L895 garLoopResultBuilder]: At program point L500-1(lines 500 506) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 08:07:23,660 INFO L899 garLoopResultBuilder]: For program point L303(lines 302 349) no Hoare annotation was computed. [2022-11-19 08:07:23,661 INFO L895 garLoopResultBuilder]: At program point L142(lines 142 149) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-19 08:07:23,661 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 345) no Hoare annotation was computed. [2022-11-19 08:07:23,661 INFO L902 garLoopResultBuilder]: At program point L142-2(lines 142 149) the Hoare annotation is: true [2022-11-19 08:07:23,661 INFO L895 garLoopResultBuilder]: At program point L324(line 324) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 08:07:23,662 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 174 185) no Hoare annotation was computed. [2022-11-19 08:07:23,662 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 174 185) the Hoare annotation is: true [2022-11-19 08:07:23,662 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 451 459) no Hoare annotation was computed. [2022-11-19 08:07:23,662 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 451 459) the Hoare annotation is: true [2022-11-19 08:07:23,666 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-19 08:07:23,668 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:07:23,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:07:23 BoogieIcfgContainer [2022-11-19 08:07:23,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:07:23,689 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:07:23,689 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:07:23,689 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:07:23,690 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:07:21" (3/4) ... [2022-11-19 08:07:23,693 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:07:23,699 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-19 08:07:23,700 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-19 08:07:23,700 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-19 08:07:23,700 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-19 08:07:23,700 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-19 08:07:23,700 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-19 08:07:23,701 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-19 08:07:23,713 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2022-11-19 08:07:23,714 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-19 08:07:23,714 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 08:07:23,715 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:07:23,715 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:07:23,750 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-19 08:07:23,752 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-19 08:07:23,753 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-19 08:07:23,754 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-19 08:07:23,754 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-19 08:07:23,754 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-19 08:07:23,804 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88985cb0-9e25-457a-8fc5-0ef726fb6ede/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:07:23,804 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:07:23,806 INFO L158 Benchmark]: Toolchain (without parser) took 3737.40ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 63.6MB in the beginning and 46.8MB in the end (delta: 16.7MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2022-11-19 08:07:23,807 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory was 69.6MB in the beginning and 69.6MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:07:23,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.80ms. Allocated memory is still 98.6MB. Free memory was 63.3MB in the beginning and 67.9MB in the end (delta: -4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 08:07:23,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.91ms. Allocated memory is still 98.6MB. Free memory was 67.9MB in the beginning and 65.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:07:23,810 INFO L158 Benchmark]: Boogie Preprocessor took 34.07ms. Allocated memory is still 98.6MB. Free memory was 65.9MB in the beginning and 64.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:07:23,811 INFO L158 Benchmark]: RCFGBuilder took 815.27ms. Allocated memory is still 98.6MB. Free memory was 64.4MB in the beginning and 42.9MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-19 08:07:23,811 INFO L158 Benchmark]: TraceAbstraction took 2136.38ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 42.1MB in the beginning and 51.8MB in the end (delta: -9.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2022-11-19 08:07:23,811 INFO L158 Benchmark]: Witness Printer took 115.78ms. Allocated memory is still 119.5MB. Free memory was 51.8MB in the beginning and 46.8MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 08:07:23,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory was 69.6MB in the beginning and 69.6MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.80ms. Allocated memory is still 98.6MB. Free memory was 63.3MB in the beginning and 67.9MB in the end (delta: -4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.91ms. Allocated memory is still 98.6MB. Free memory was 67.9MB in the beginning and 65.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.07ms. Allocated memory is still 98.6MB. Free memory was 65.9MB in the beginning and 64.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 815.27ms. Allocated memory is still 98.6MB. Free memory was 64.4MB in the beginning and 42.9MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2136.38ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 42.1MB in the beginning and 51.8MB in the end (delta: -9.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Witness Printer took 115.78ms. Allocated memory is still 119.5MB. Free memory was 51.8MB in the beginning and 46.8MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * 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: 516]: call to reach_error is unreachable For all program executions holds that 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: 2.0s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 357 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 154 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 132 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 203 mSDtfsCounter, 132 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 188 PreInvPairs, 210 NumberOfFragments, 141 HoareAnnotationTreeSize, 188 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 297 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 166 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: 378]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2022-11-19 08:07:23,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88985cb0-9e25-457a-8fc5-0ef726fb6ede/bin/utaipan-I9t0OCRTmS/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