./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/bin/utaipan-7li7fVZpFI --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 d8f3facefcf920bf8f8138d914907ca196bce75367abcd95ac8ef69b29697377 --- 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-5e519f3 [2022-11-03 03:29:35,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:29:35,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:29:35,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:29:35,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:29:35,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:29:35,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:29:35,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:29:35,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:29:35,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:29:35,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:29:35,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:29:35,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:29:35,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:29:35,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:29:35,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:29:35,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:29:35,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:29:35,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:29:35,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:29:35,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:29:35,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:29:35,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:29:35,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:29:35,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:29:35,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:29:35,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:29:35,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:29:35,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:29:35,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:29:35,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:29:35,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:29:35,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:29:35,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:29:35,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:29:35,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:29:35,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:29:35,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:29:35,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:29:35,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:29:35,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:29:35,596 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 03:29:35,649 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:29:35,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:29:35,650 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:29:35,650 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:29:35,651 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:29:35,651 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:29:35,651 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:29:35,652 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:29:35,671 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:29:35,671 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:29:35,671 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:29:35,672 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:29:35,672 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:29:35,672 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:29:35,672 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:29:35,673 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:29:35,673 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:29:35,673 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:29:35,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:29:35,674 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:29:35,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:29:35,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:29:35,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:29:35,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:29:35,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:29:35,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:29:35,676 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:29:35,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:29:35,676 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:29:35,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:29:35,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:29:35,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:29:35,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:29:35,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:29:35,678 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:29:35,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:29:35,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:29:35,678 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:29:35,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:29:35,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:29:35,679 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:29:35,680 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_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8f3facefcf920bf8f8138d914907ca196bce75367abcd95ac8ef69b29697377 [2022-11-03 03:29:35,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:29:35,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:29:35,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:29:35,958 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:29:35,959 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:29:35,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/product-lines/minepump_spec5_product15.cil.c [2022-11-03 03:29:36,029 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/bin/utaipan-7li7fVZpFI/data/0ac551767/9ab11cd1779149c49ed35360d1191c8d/FLAGa87c629cf [2022-11-03 03:29:36,530 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:29:36,535 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/sv-benchmarks/c/product-lines/minepump_spec5_product15.cil.c [2022-11-03 03:29:36,550 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/bin/utaipan-7li7fVZpFI/data/0ac551767/9ab11cd1779149c49ed35360d1191c8d/FLAGa87c629cf [2022-11-03 03:29:36,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/bin/utaipan-7li7fVZpFI/data/0ac551767/9ab11cd1779149c49ed35360d1191c8d [2022-11-03 03:29:36,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:29:36,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:29:36,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:36,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:29:36,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:29:36,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:36" (1/1) ... [2022-11-03 03:29:36,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:36, skipping insertion in model container [2022-11-03 03:29:36,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:36" (1/1) ... [2022-11-03 03:29:36,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:29:36,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:29:37,332 WARN L230 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_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/sv-benchmarks/c/product-lines/minepump_spec5_product15.cil.c[17325,17338] [2022-11-03 03:29:37,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:29:37,357 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:29:37,476 WARN L230 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_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/sv-benchmarks/c/product-lines/minepump_spec5_product15.cil.c[17325,17338] [2022-11-03 03:29:37,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:29:37,510 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:29:37,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:37 WrapperNode [2022-11-03 03:29:37,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:37,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:29:37,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:29:37,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:29:37,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:37" (1/1) ... [2022-11-03 03:29:37,533 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:37" (1/1) ... [2022-11-03 03:29:37,557 INFO L138 Inliner]: procedures = 54, calls = 155, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 221 [2022-11-03 03:29:37,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:29:37,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:29:37,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:29:37,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:29:37,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:37" (1/1) ... [2022-11-03 03:29:37,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:37" (1/1) ... [2022-11-03 03:29:37,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:37" (1/1) ... [2022-11-03 03:29:37,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:37" (1/1) ... [2022-11-03 03:29:37,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:37" (1/1) ... [2022-11-03 03:29:37,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:37" (1/1) ... [2022-11-03 03:29:37,593 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:37" (1/1) ... [2022-11-03 03:29:37,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:37" (1/1) ... [2022-11-03 03:29:37,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:29:37,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:29:37,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:29:37,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:29:37,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:37" (1/1) ... [2022-11-03 03:29:37,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:29:37,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:29:37,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:29:37,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:29:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:29:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-03 03:29:37,690 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-03 03:29:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-03 03:29:37,691 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-03 03:29:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-03 03:29:37,691 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-03 03:29:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-03 03:29:37,691 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-03 03:29:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-03 03:29:37,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-03 03:29:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-03 03:29:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-03 03:29:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-03 03:29:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-03 03:29:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:29:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-03 03:29:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-03 03:29:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:29:37,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:29:37,768 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:29:37,770 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:29:38,168 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:29:38,341 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:29:38,344 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 03:29:38,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:29:38 BoogieIcfgContainer [2022-11-03 03:29:38,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:29:38,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:29:38,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:29:38,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:29:38,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:29:36" (1/3) ... [2022-11-03 03:29:38,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160b1401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:29:38, skipping insertion in model container [2022-11-03 03:29:38,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:37" (2/3) ... [2022-11-03 03:29:38,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160b1401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:29:38, skipping insertion in model container [2022-11-03 03:29:38,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:29:38" (3/3) ... [2022-11-03 03:29:38,363 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product15.cil.c [2022-11-03 03:29:38,383 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:29:38,383 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:29:38,460 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:29:38,466 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;@6b70f95a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:29:38,467 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:29:38,471 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 40 states have (on average 1.425) internal successors, (57), 47 states have internal predecessors, (57), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-03 03:29:38,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-03 03:29:38,481 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:38,482 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] [2022-11-03 03:29:38,483 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:38,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:38,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1478423140, now seen corresponding path program 1 times [2022-11-03 03:29:38,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:38,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890264155] [2022-11-03 03:29:38,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:38,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:38,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:29:38,762 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:38,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890264155] [2022-11-03 03:29:38,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890264155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:38,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:38,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:29:38,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619289293] [2022-11-03 03:29:38,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:38,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 03:29:38,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:38,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 03:29:38,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:29:38,824 INFO L87 Difference]: Start difference. First operand has 63 states, 40 states have (on average 1.425) internal successors, (57), 47 states have internal predecessors, (57), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) 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) [2022-11-03 03:29:38,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:38,950 INFO L93 Difference]: Finished difference Result 124 states and 167 transitions. [2022-11-03 03:29:38,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 03:29:38,953 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 [2022-11-03 03:29:38,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:38,963 INFO L225 Difference]: With dead ends: 124 [2022-11-03 03:29:38,963 INFO L226 Difference]: Without dead ends: 58 [2022-11-03 03:29:38,967 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 [2022-11-03 03:29:38,971 INFO L413 NwaCegarLoop]: 65 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, 65 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 [2022-11-03 03:29:38,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:29:38,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-03 03:29:39,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-03 03:29:39,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 43 states have internal predecessors, (49), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-03 03:29:39,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2022-11-03 03:29:39,022 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 74 transitions. Word has length 21 [2022-11-03 03:29:39,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:39,022 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 74 transitions. [2022-11-03 03:29:39,023 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) [2022-11-03 03:29:39,023 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2022-11-03 03:29:39,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 03:29:39,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:39,026 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] [2022-11-03 03:29:39,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:29:39,026 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:39,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:39,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1202924552, now seen corresponding path program 1 times [2022-11-03 03:29:39,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:39,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833542760] [2022-11-03 03:29:39,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:39,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:39,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:29:39,148 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:39,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833542760] [2022-11-03 03:29:39,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833542760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:39,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:39,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:29:39,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785450345] [2022-11-03 03:29:39,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:39,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:29:39,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:39,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:29:39,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:29:39,152 INFO L87 Difference]: Start difference. First operand 58 states and 74 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) [2022-11-03 03:29:39,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:39,196 INFO L93 Difference]: Finished difference Result 88 states and 110 transitions. [2022-11-03 03:29:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:29:39,197 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 [2022-11-03 03:29:39,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:39,198 INFO L225 Difference]: With dead ends: 88 [2022-11-03 03:29:39,198 INFO L226 Difference]: Without dead ends: 50 [2022-11-03 03:29:39,199 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 [2022-11-03 03:29:39,201 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 14 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 85 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 [2022-11-03 03:29:39,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 85 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:29:39,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-03 03:29:39,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-03 03:29:39,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.34375) internal successors, (43), 38 states have internal predecessors, (43), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-03 03:29:39,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 63 transitions. [2022-11-03 03:29:39,212 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 63 transitions. Word has length 22 [2022-11-03 03:29:39,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:39,213 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 63 transitions. [2022-11-03 03:29:39,213 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) [2022-11-03 03:29:39,213 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2022-11-03 03:29:39,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-03 03:29:39,215 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:39,215 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] [2022-11-03 03:29:39,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:29:39,216 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:39,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:39,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1745311422, now seen corresponding path program 1 times [2022-11-03 03:29:39,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:39,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580044449] [2022-11-03 03:29:39,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:39,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:29:39,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:39,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580044449] [2022-11-03 03:29:39,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580044449] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:39,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:39,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:29:39,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046199701] [2022-11-03 03:29:39,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:39,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:29:39,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:39,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:29:39,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:29:39,447 INFO L87 Difference]: Start difference. First operand 50 states and 63 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 03:29:39,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:39,629 INFO L93 Difference]: Finished difference Result 148 states and 195 transitions. [2022-11-03 03:29:39,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:29:39,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2022-11-03 03:29:39,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:39,633 INFO L225 Difference]: With dead ends: 148 [2022-11-03 03:29:39,633 INFO L226 Difference]: Without dead ends: 100 [2022-11-03 03:29:39,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:29:39,635 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 75 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:39,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 157 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:29:39,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-03 03:29:39,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 83. [2022-11-03 03:29:39,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 63 states have internal predecessors, (73), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (17), 13 states have call predecessors, (17), 16 states have call successors, (17) [2022-11-03 03:29:39,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 106 transitions. [2022-11-03 03:29:39,669 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 106 transitions. Word has length 25 [2022-11-03 03:29:39,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:39,670 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 106 transitions. [2022-11-03 03:29:39,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 03:29:39,670 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 106 transitions. [2022-11-03 03:29:39,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-03 03:29:39,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:39,672 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] [2022-11-03 03:29:39,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:29:39,675 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:39,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:39,679 INFO L85 PathProgramCache]: Analyzing trace with hash 722447537, now seen corresponding path program 1 times [2022-11-03 03:29:39,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:39,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698101061] [2022-11-03 03:29:39,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:39,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:39,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 03:29:39,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:39,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698101061] [2022-11-03 03:29:39,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698101061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:39,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:39,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:29:39,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601956586] [2022-11-03 03:29:39,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:39,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:29:39,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:39,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:29:39,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:29:39,909 INFO L87 Difference]: Start difference. First operand 83 states and 106 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) [2022-11-03 03:29:40,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:40,079 INFO L93 Difference]: Finished difference Result 151 states and 197 transitions. [2022-11-03 03:29:40,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:29:40,080 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 [2022-11-03 03:29:40,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:40,081 INFO L225 Difference]: With dead ends: 151 [2022-11-03 03:29:40,081 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 03:29:40,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:29:40,088 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 25 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:40,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 110 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:29:40,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 03:29:40,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 03:29:40,094 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) [2022-11-03 03:29:40,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 03:29:40,094 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-11-03 03:29:40,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:40,095 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 03:29:40,096 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) [2022-11-03 03:29:40,096 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 03:29:40,096 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 03:29:40,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 03:29:40,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:29:40,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 03:29:40,417 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 619 626) the Hoare annotation is: true [2022-11-03 03:29:40,418 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 619 626) no Hoare annotation was computed. [2022-11-03 03:29:40,418 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 828 839) the Hoare annotation is: true [2022-11-03 03:29:40,418 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 828 839) no Hoare annotation was computed. [2022-11-03 03:29:40,418 INFO L899 garLoopResultBuilder]: For program point L923(lines 923 929) no Hoare annotation was computed. [2022-11-03 03:29:40,418 INFO L895 garLoopResultBuilder]: At program point L886(line 886) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-03 03:29:40,419 INFO L895 garLoopResultBuilder]: At program point L548-1(lines 548 554) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-03 03:29:40,419 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 585) no Hoare annotation was computed. [2022-11-03 03:29:40,419 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 590) no Hoare annotation was computed. [2022-11-03 03:29:40,419 INFO L895 garLoopResultBuilder]: At program point L920(line 920) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-03 03:29:40,419 INFO L899 garLoopResultBuilder]: For program point L920-1(line 920) no Hoare annotation was computed. [2022-11-03 03:29:40,420 INFO L899 garLoopResultBuilder]: For program point L541-2(lines 537 559) no Hoare annotation was computed. [2022-11-03 03:29:40,423 INFO L895 garLoopResultBuilder]: At program point L905(line 905) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-03 03:29:40,424 INFO L895 garLoopResultBuilder]: At program point L905-1(line 905) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-03 03:29:40,426 INFO L895 garLoopResultBuilder]: At program point L583(line 583) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-03 03:29:40,430 INFO L895 garLoopResultBuilder]: At program point L579(line 579) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-03 03:29:40,430 INFO L895 garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-03 03:29:40,430 INFO L899 garLoopResultBuilder]: For program point L575-1(line 575) no Hoare annotation was computed. [2022-11-03 03:29:40,430 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 932) no Hoare annotation was computed. [2022-11-03 03:29:40,431 INFO L899 garLoopResultBuilder]: For program point L918(lines 918 935) no Hoare annotation was computed. [2022-11-03 03:29:40,432 INFO L895 garLoopResultBuilder]: At program point L918-1(lines 910 938) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-03 03:29:40,432 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 534 560) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-03 03:29:40,433 INFO L895 garLoopResultBuilder]: At program point L588(line 588) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-03 03:29:40,433 INFO L895 garLoopResultBuilder]: At program point L588-1(lines 569 593) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-03 03:29:40,437 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 534 560) no Hoare annotation was computed. [2022-11-03 03:29:40,437 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 886) no Hoare annotation was computed. [2022-11-03 03:29:40,437 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-03 03:29:40,437 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-03 03:29:40,438 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-03 03:29:40,438 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-03 03:29:40,438 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-03 03:29:40,438 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-03 03:29:40,438 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-03 03:29:40,438 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-03 03:29:40,439 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-03 03:29:40,439 INFO L899 garLoopResultBuilder]: For program point L729(lines 729 735) no Hoare annotation was computed. [2022-11-03 03:29:40,439 INFO L899 garLoopResultBuilder]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2022-11-03 03:29:40,439 INFO L895 garLoopResultBuilder]: At program point L754(lines 709 756) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-03 03:29:40,439 INFO L895 garLoopResultBuilder]: At program point L721(line 721) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-03 03:29:40,440 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-03 03:29:40,440 INFO L895 garLoopResultBuilder]: At program point L689(line 689) the Hoare annotation is: false [2022-11-03 03:29:40,440 INFO L899 garLoopResultBuilder]: For program point L710(lines 709 756) no Hoare annotation was computed. [2022-11-03 03:29:40,440 INFO L899 garLoopResultBuilder]: For program point L739(lines 739 752) no Hoare annotation was computed. [2022-11-03 03:29:40,440 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 03:29:40,440 INFO L895 garLoopResultBuilder]: At program point L731(line 731) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-03 03:29:40,440 INFO L902 garLoopResultBuilder]: At program point L760(lines 699 764) the Hoare annotation is: true [2022-11-03 03:29:40,441 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 725) no Hoare annotation was computed. [2022-11-03 03:29:40,441 INFO L899 garLoopResultBuilder]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2022-11-03 03:29:40,441 INFO L895 garLoopResultBuilder]: At program point L757(lines 708 758) the Hoare annotation is: false [2022-11-03 03:29:40,441 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 693) no Hoare annotation was computed. [2022-11-03 03:29:40,441 INFO L895 garLoopResultBuilder]: At program point L142(lines 142 149) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2022-11-03 03:29:40,441 INFO L895 garLoopResultBuilder]: At program point L687-1(lines 687 693) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-03 03:29:40,442 INFO L902 garLoopResultBuilder]: At program point L142-2(lines 142 149) the Hoare annotation is: true [2022-11-03 03:29:40,442 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 751) no Hoare annotation was computed. [2022-11-03 03:29:40,442 INFO L895 garLoopResultBuilder]: At program point L745-2(lines 739 752) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-03 03:29:40,442 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 816 827) no Hoare annotation was computed. [2022-11-03 03:29:40,442 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 816 827) the Hoare annotation is: true [2022-11-03 03:29:40,442 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 561 567) no Hoare annotation was computed. [2022-11-03 03:29:40,443 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 561 567) the Hoare annotation is: true [2022-11-03 03:29:40,443 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 638 646) no Hoare annotation was computed. [2022-11-03 03:29:40,443 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 638 646) the Hoare annotation is: true [2022-11-03 03:29:40,443 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 627 637) the Hoare annotation is: true [2022-11-03 03:29:40,443 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 627 637) no Hoare annotation was computed. [2022-11-03 03:29:40,452 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-03 03:29:40,455 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:29:40,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:29:40 BoogieIcfgContainer [2022-11-03 03:29:40,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:29:40,479 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:29:40,479 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:29:40,480 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:29:40,481 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:29:38" (3/4) ... [2022-11-03 03:29:40,485 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 03:29:40,489 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-03 03:29:40,489 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-03 03:29:40,489 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-03 03:29:40,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-03 03:29:40,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-03 03:29:40,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-03 03:29:40,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-03 03:29:40,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-03 03:29:40,497 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2022-11-03 03:29:40,498 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-03 03:29:40,498 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-03 03:29:40,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-03 03:29:40,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 03:29:40,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 03:29:40,500 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 03:29:40,526 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-03 03:29:40,528 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-03 03:29:40,529 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-03 03:29:40,530 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-03 03:29:40,530 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-11-03 03:29:40,557 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 03:29:40,557 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:29:40,558 INFO L158 Benchmark]: Toolchain (without parser) took 3683.90ms. Allocated memory was 104.9MB in the beginning and 153.1MB in the end (delta: 48.2MB). Free memory was 57.6MB in the beginning and 75.3MB in the end (delta: -17.7MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2022-11-03 03:29:40,558 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:29:40,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 630.09ms. Allocated memory is still 104.9MB. Free memory was 57.4MB in the beginning and 72.5MB in the end (delta: -15.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 03:29:40,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.92ms. Allocated memory is still 104.9MB. Free memory was 72.5MB in the beginning and 70.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:29:40,559 INFO L158 Benchmark]: Boogie Preprocessor took 38.59ms. Allocated memory is still 104.9MB. Free memory was 69.9MB in the beginning and 68.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:29:40,559 INFO L158 Benchmark]: RCFGBuilder took 750.11ms. Allocated memory is still 104.9MB. Free memory was 68.4MB in the beginning and 42.7MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-03 03:29:40,560 INFO L158 Benchmark]: TraceAbstraction took 2126.78ms. Allocated memory was 104.9MB in the beginning and 153.1MB in the end (delta: 48.2MB). Free memory was 42.2MB in the beginning and 80.6MB in the end (delta: -38.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 03:29:40,560 INFO L158 Benchmark]: Witness Printer took 78.17ms. Allocated memory is still 153.1MB. Free memory was 80.6MB in the beginning and 75.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 03:29:40,563 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 104.9MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 630.09ms. Allocated memory is still 104.9MB. Free memory was 57.4MB in the beginning and 72.5MB in the end (delta: -15.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.92ms. Allocated memory is still 104.9MB. Free memory was 72.5MB in the beginning and 70.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.59ms. Allocated memory is still 104.9MB. Free memory was 69.9MB in the beginning and 68.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 750.11ms. Allocated memory is still 104.9MB. Free memory was 68.4MB in the beginning and 42.7MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2126.78ms. Allocated memory was 104.9MB in the beginning and 153.1MB in the end (delta: 48.2MB). Free memory was 42.2MB in the beginning and 80.6MB in the end (delta: -38.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 78.17ms. Allocated memory is still 153.1MB. Free memory was 80.6MB in the beginning and 75.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 886]: 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 9 procedures, 63 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: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 119 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 417 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 256 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 170 IncrementalHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 213 mSDtfsCounter, 170 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=3, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 188 PreInvPairs, 214 NumberOfFragments, 152 HoareAnnotationTreeSize, 188 FomulaSimplifications, 65 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 34 FomulaSimplificationsInter, 343 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 178 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: (tmp == systemActive && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 RESULT: Ultimate proved your program to be correct! [2022-11-03 03:29:40,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ab0a8e2-9b35-4f1a-af76-429161b39ecc/bin/utaipan-7li7fVZpFI/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