./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_19cb284f-8eca-4a81-a9f3-0220e5600899/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cb284f-8eca-4a81-a9f3-0220e5600899/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_19cb284f-8eca-4a81-a9f3-0220e5600899/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cb284f-8eca-4a81-a9f3-0220e5600899/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cb284f-8eca-4a81-a9f3-0220e5600899/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_19cb284f-8eca-4a81-a9f3-0220e5600899/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 f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 --- 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 07:58:25,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:58:25,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:58:25,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:58:25,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:58:25,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:58:25,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:58:25,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:58:25,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:58:25,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:58:25,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:58:25,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:58:25,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:58:25,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:58:25,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:58:25,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:58:25,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:58:25,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:58:25,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:58:25,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:58:25,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:58:25,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:58:25,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:58:25,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:58:25,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:58:25,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:58:25,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:58:25,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:58:25,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:58:25,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:58:25,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:58:25,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:58:25,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:58:25,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:58:25,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:58:25,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:58:25,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:58:25,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:58:25,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:58:25,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:58:25,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:58:25,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cb284f-8eca-4a81-a9f3-0220e5600899/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:58:25,807 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:58:25,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:58:25,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:58:25,816 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:58:25,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:58:25,817 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:58:25,817 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:58:25,818 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:58:25,818 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:58:25,818 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:58:25,819 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:58:25,820 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:58:25,820 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:58:25,820 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:58:25,820 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:58:25,821 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:58:25,821 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:58:25,821 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:58:25,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:58:25,822 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:58:25,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:58:25,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:58:25,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:58:25,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:58:25,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:58:25,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:58:25,825 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:58:25,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:58:25,826 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:58:25,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:58:25,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:58:25,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:58:25,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:58:25,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:58:25,827 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:58:25,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:58:25,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:58:25,829 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:58:25,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:58:25,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:58:25,830 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:58:25,830 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_19cb284f-8eca-4a81-a9f3-0220e5600899/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cb284f-8eca-4a81-a9f3-0220e5600899/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 [2022-11-19 07:58:26,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:58:26,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:58:26,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:58:26,139 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:58:26,140 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:58:26,142 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cb284f-8eca-4a81-a9f3-0220e5600899/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2022-11-19 07:58:26,215 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cb284f-8eca-4a81-a9f3-0220e5600899/bin/utaipan-I9t0OCRTmS/data/646289ec8/5da5ac294e804c2c8a47fd78001154aa/FLAG1dee5746f [2022-11-19 07:58:26,810 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:58:26,811 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cb284f-8eca-4a81-a9f3-0220e5600899/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2022-11-19 07:58:26,823 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cb284f-8eca-4a81-a9f3-0220e5600899/bin/utaipan-I9t0OCRTmS/data/646289ec8/5da5ac294e804c2c8a47fd78001154aa/FLAG1dee5746f [2022-11-19 07:58:27,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cb284f-8eca-4a81-a9f3-0220e5600899/bin/utaipan-I9t0OCRTmS/data/646289ec8/5da5ac294e804c2c8a47fd78001154aa [2022-11-19 07:58:27,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:58:27,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:58:27,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:58:27,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:58:27,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:58:27,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:27" (1/1) ... [2022-11-19 07:58:27,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@362e6bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:27, skipping insertion in model container [2022-11-19 07:58:27,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:27" (1/1) ... [2022-11-19 07:58:27,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:58:27,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:58:27,603 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_19cb284f-8eca-4a81-a9f3-0220e5600899/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c[14361,14374] [2022-11-19 07:58:27,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:58:27,630 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:58:27,681 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_19cb284f-8eca-4a81-a9f3-0220e5600899/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c[14361,14374] [2022-11-19 07:58:27,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:58:27,707 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:58:27,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:27 WrapperNode [2022-11-19 07:58:27,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:58:27,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:58:27,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:58:27,710 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:58:27,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:27" (1/1) ... [2022-11-19 07:58:27,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:27" (1/1) ... [2022-11-19 07:58:27,783 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 169 [2022-11-19 07:58:27,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:58:27,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:58:27,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:58:27,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:58:27,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:27" (1/1) ... [2022-11-19 07:58:27,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:27" (1/1) ... [2022-11-19 07:58:27,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:27" (1/1) ... [2022-11-19 07:58:27,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:27" (1/1) ... [2022-11-19 07:58:27,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:27" (1/1) ... [2022-11-19 07:58:27,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:27" (1/1) ... [2022-11-19 07:58:27,828 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:27" (1/1) ... [2022-11-19 07:58:27,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:27" (1/1) ... [2022-11-19 07:58:27,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:58:27,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:58:27,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:58:27,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:58:27,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:27" (1/1) ... [2022-11-19 07:58:27,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:58:27,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cb284f-8eca-4a81-a9f3-0220e5600899/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:58:27,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cb284f-8eca-4a81-a9f3-0220e5600899/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:58:27,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cb284f-8eca-4a81-a9f3-0220e5600899/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:58:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:58:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-19 07:58:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-19 07:58:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-19 07:58:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-19 07:58:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-19 07:58:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-19 07:58:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-19 07:58:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-19 07:58:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-19 07:58:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-19 07:58:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-19 07:58:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-19 07:58:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-19 07:58:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-19 07:58:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-19 07:58:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-19 07:58:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:58:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-19 07:58:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-19 07:58:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:58:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:58:28,011 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:58:28,013 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:58:28,247 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:58:28,464 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:58:28,465 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:58:28,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:28 BoogieIcfgContainer [2022-11-19 07:58:28,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:58:28,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:58:28,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:58:28,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:58:28,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:58:27" (1/3) ... [2022-11-19 07:58:28,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a5e303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:28, skipping insertion in model container [2022-11-19 07:58:28,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:27" (2/3) ... [2022-11-19 07:58:28,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a5e303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:28, skipping insertion in model container [2022-11-19 07:58:28,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:28" (3/3) ... [2022-11-19 07:58:28,499 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product30.cil.c [2022-11-19 07:58:28,519 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:58:28,519 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:58:28,601 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:58:28,610 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;@1b30797d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:58:28,611 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:58:28,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 47 states have internal predecessors, (54), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-19 07:58:28,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-19 07:58:28,627 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:58:28,629 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:58:28,630 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:58:28,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:58:28,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1186121662, now seen corresponding path program 1 times [2022-11-19 07:58:28,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:58:28,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319265505] [2022-11-19 07:58:28,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:58:28,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:58:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:58:28,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:58:28,920 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:58:28,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319265505] [2022-11-19 07:58:28,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319265505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:58:28,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:58:28,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:58:28,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470135669] [2022-11-19 07:58:28,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:58:28,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:58:28,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:58:28,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:58:28,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:58:28,956 INFO L87 Difference]: Start difference. First operand has 65 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 47 states have internal predecessors, (54), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:58:29,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:58:29,021 INFO L93 Difference]: Finished difference Result 128 states and 169 transitions. [2022-11-19 07:58:29,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:58:29,024 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-19 07:58:29,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:58:29,033 INFO L225 Difference]: With dead ends: 128 [2022-11-19 07:58:29,033 INFO L226 Difference]: Without dead ends: 60 [2022-11-19 07:58:29,036 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 07:58:29,040 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:58:29,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:58:29,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-19 07:58:29,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-11-19 07:58:29,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 43 states have internal predecessors, (46), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-19 07:58:29,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2022-11-19 07:58:29,085 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 16 [2022-11-19 07:58:29,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:58:29,086 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2022-11-19 07:58:29,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:58:29,086 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-11-19 07:58:29,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 07:58:29,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:58:29,088 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:58:29,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:58:29,089 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:58:29,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:58:29,090 INFO L85 PathProgramCache]: Analyzing trace with hash -36008708, now seen corresponding path program 1 times [2022-11-19 07:58:29,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:58:29,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081808459] [2022-11-19 07:58:29,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:58:29,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:58:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:58:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:58:29,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:58:29,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081808459] [2022-11-19 07:58:29,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081808459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:58:29,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:58:29,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:58:29,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781036009] [2022-11-19 07:58:29,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:58:29,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:58:29,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:58:29,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:58:29,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:58:29,204 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:58:29,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:58:29,285 INFO L93 Difference]: Finished difference Result 97 states and 121 transitions. [2022-11-19 07:58:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:58:29,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-19 07:58:29,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:58:29,288 INFO L225 Difference]: With dead ends: 97 [2022-11-19 07:58:29,288 INFO L226 Difference]: Without dead ends: 52 [2022-11-19 07:58:29,289 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 07:58:29,290 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 7 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:58:29,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 93 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:58:29,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-19 07:58:29,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-19 07:58:29,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 38 states have internal predecessors, (40), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 07:58:29,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2022-11-19 07:58:29,307 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 64 transitions. Word has length 17 [2022-11-19 07:58:29,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:58:29,307 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 64 transitions. [2022-11-19 07:58:29,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:58:29,309 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-11-19 07:58:29,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 07:58:29,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:58:29,311 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:58:29,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:58:29,311 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:58:29,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:58:29,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1521812284, now seen corresponding path program 1 times [2022-11-19 07:58:29,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:58:29,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834293486] [2022-11-19 07:58:29,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:58:29,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:58:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:58:29,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:58:29,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:58:29,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834293486] [2022-11-19 07:58:29,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834293486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:58:29,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:58:29,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:58:29,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951822456] [2022-11-19 07:58:29,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:58:29,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:58:29,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:58:29,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:58:29,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:58:29,494 INFO L87 Difference]: Start difference. First operand 52 states and 64 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:58:29,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:58:29,594 INFO L93 Difference]: Finished difference Result 102 states and 127 transitions. [2022-11-19 07:58:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:58:29,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-11-19 07:58:29,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:58:29,596 INFO L225 Difference]: With dead ends: 102 [2022-11-19 07:58:29,597 INFO L226 Difference]: Without dead ends: 52 [2022-11-19 07:58:29,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:58:29,599 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 54 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:58:29,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 65 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:58:29,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-19 07:58:29,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-19 07:58:29,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 38 states have internal predecessors, (39), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 07:58:29,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2022-11-19 07:58:29,611 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 19 [2022-11-19 07:58:29,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:58:29,612 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2022-11-19 07:58:29,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:58:29,612 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2022-11-19 07:58:29,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-19 07:58:29,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:58:29,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:58:29,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:58:29,614 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:58:29,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:58:29,615 INFO L85 PathProgramCache]: Analyzing trace with hash -609045863, now seen corresponding path program 1 times [2022-11-19 07:58:29,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:58:29,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364836477] [2022-11-19 07:58:29,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:58:29,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:58:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:58:29,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:58:29,817 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:58:29,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364836477] [2022-11-19 07:58:29,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364836477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:58:29,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:58:29,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 07:58:29,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721774837] [2022-11-19 07:58:29,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:58:29,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:58:29,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:58:29,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:58:29,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:58:29,821 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 07:58:30,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:58:30,036 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions. [2022-11-19 07:58:30,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:58:30,037 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2022-11-19 07:58:30,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:58:30,040 INFO L225 Difference]: With dead ends: 150 [2022-11-19 07:58:30,040 INFO L226 Difference]: Without dead ends: 100 [2022-11-19 07:58:30,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 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 07:58:30,042 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 42 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:58:30,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 260 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:58:30,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-19 07:58:30,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2022-11-19 07:58:30,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 57 states have (on average 1.2456140350877194) internal successors, (71), 69 states have internal predecessors, (71), 23 states have call successors, (23), 15 states have call predecessors, (23), 15 states have return successors, (23), 15 states have call predecessors, (23), 23 states have call successors, (23) [2022-11-19 07:58:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 117 transitions. [2022-11-19 07:58:30,068 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 117 transitions. Word has length 29 [2022-11-19 07:58:30,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:58:30,069 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 117 transitions. [2022-11-19 07:58:30,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 07:58:30,070 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 117 transitions. [2022-11-19 07:58:30,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-19 07:58:30,072 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:58:30,072 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:58:30,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:58:30,073 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:58:30,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:58:30,073 INFO L85 PathProgramCache]: Analyzing trace with hash 2143445580, now seen corresponding path program 1 times [2022-11-19 07:58:30,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:58:30,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201787868] [2022-11-19 07:58:30,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:58:30,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:58:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:58:30,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:58:30,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:58:30,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201787868] [2022-11-19 07:58:30,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201787868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:58:30,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:58:30,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:58:30,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668677924] [2022-11-19 07:58:30,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:58:30,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:58:30,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:58:30,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:58:30,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:58:30,334 INFO L87 Difference]: Start difference. First operand 96 states and 117 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 07:58:30,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:58:30,456 INFO L93 Difference]: Finished difference Result 162 states and 197 transitions. [2022-11-19 07:58:30,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:58:30,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2022-11-19 07:58:30,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:58:30,457 INFO L225 Difference]: With dead ends: 162 [2022-11-19 07:58:30,458 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:58:30,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-19 07:58:30,464 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 31 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:58:30,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 43 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:58:30,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:58:30,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:58:30,472 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 07:58:30,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:58:30,472 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2022-11-19 07:58:30,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:58:30,473 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:58:30,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 07:58:30,473 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:58:30,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:58:30,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:58:30,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:58:30,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 07:58:31,179 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 774 781) the Hoare annotation is: true [2022-11-19 07:58:31,180 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 774 781) no Hoare annotation was computed. [2022-11-19 07:58:31,180 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 690 696) no Hoare annotation was computed. [2022-11-19 07:58:31,180 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 690 696) the Hoare annotation is: true [2022-11-19 07:58:31,180 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 586 597) the Hoare annotation is: true [2022-11-19 07:58:31,180 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 586 597) no Hoare annotation was computed. [2022-11-19 07:58:31,181 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 598 606) the Hoare annotation is: true [2022-11-19 07:58:31,181 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 598 606) no Hoare annotation was computed. [2022-11-19 07:58:31,181 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 884) no Hoare annotation was computed. [2022-11-19 07:58:31,181 INFO L895 garLoopResultBuilder]: At program point L874(lines 874 887) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (and (<= |timeShift___utac_acc__Specification1_spec__1_~tmp~8#1| 0) (< 0 (+ |timeShift___utac_acc__Specification1_spec__1_~tmp~8#1| 1))) .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse1) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2022-11-19 07:58:31,182 INFO L895 garLoopResultBuilder]: At program point L874-1(lines 866 890) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (and (<= |timeShift___utac_acc__Specification1_spec__1_~tmp~8#1| 0) (< 0 (+ |timeShift___utac_acc__Specification1_spec__1_~tmp~8#1| 1))) .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse1) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2022-11-19 07:58:31,182 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-19 07:58:31,182 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-19 07:58:31,182 INFO L895 garLoopResultBuilder]: At program point L730(line 730) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-19 07:58:31,182 INFO L899 garLoopResultBuilder]: For program point L730-1(line 730) no Hoare annotation was computed. [2022-11-19 07:58:31,183 INFO L895 garLoopResultBuilder]: At program point L743(line 743) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-19 07:58:31,183 INFO L895 garLoopResultBuilder]: At program point L743-1(lines 724 748) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-19 07:58:31,183 INFO L899 garLoopResultBuilder]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2022-11-19 07:58:31,183 INFO L895 garLoopResultBuilder]: At program point L653(line 653) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-19 07:58:31,183 INFO L895 garLoopResultBuilder]: At program point L872(line 872) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-19 07:58:31,183 INFO L899 garLoopResultBuilder]: For program point L872-1(line 872) no Hoare annotation was computed. [2022-11-19 07:58:31,184 INFO L899 garLoopResultBuilder]: For program point L670-1(lines 669 688) no Hoare annotation was computed. [2022-11-19 07:58:31,184 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 740) no Hoare annotation was computed. [2022-11-19 07:58:31,184 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 745) no Hoare annotation was computed. [2022-11-19 07:58:31,184 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 666 689) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-19 07:58:31,184 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 666 689) no Hoare annotation was computed. [2022-11-19 07:58:31,184 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2022-11-19 07:58:31,185 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-19 07:58:31,185 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-19 07:58:31,185 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-19 07:58:31,185 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-19 07:58:31,185 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-19 07:58:31,185 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-19 07:58:31,185 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-19 07:58:31,186 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-19 07:58:31,186 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-19 07:58:31,186 INFO L895 garLoopResultBuilder]: At program point L940-2(lines 932 945) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 07:58:31,186 INFO L899 garLoopResultBuilder]: For program point L903(lines 902 949) no Hoare annotation was computed. [2022-11-19 07:58:31,186 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-19 07:58:31,189 INFO L895 garLoopResultBuilder]: At program point L924(line 924) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 07:58:31,189 INFO L902 garLoopResultBuilder]: At program point L953(lines 892 957) the Hoare annotation is: true [2022-11-19 07:58:31,189 INFO L899 garLoopResultBuilder]: For program point L912(lines 912 918) no Hoare annotation was computed. [2022-11-19 07:58:31,191 INFO L899 garLoopResultBuilder]: For program point L912-1(lines 912 918) no Hoare annotation was computed. [2022-11-19 07:58:31,191 INFO L895 garLoopResultBuilder]: At program point L140(lines 140 147) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0)) [2022-11-19 07:58:31,191 INFO L902 garLoopResultBuilder]: At program point L140-2(lines 140 147) the Hoare annotation is: true [2022-11-19 07:58:31,194 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:58:31,194 INFO L895 garLoopResultBuilder]: At program point L950(lines 901 951) the Hoare annotation is: false [2022-11-19 07:58:31,194 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 928) no Hoare annotation was computed. [2022-11-19 07:58:31,194 INFO L895 garLoopResultBuilder]: At program point L922-1(lines 922 928) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 07:58:31,195 INFO L895 garLoopResultBuilder]: At program point L947(lines 902 949) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 07:58:31,195 INFO L895 garLoopResultBuilder]: At program point L914(line 914) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 07:58:31,195 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 574 585) no Hoare annotation was computed. [2022-11-19 07:58:31,195 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 574 585) the Hoare annotation is: true [2022-11-19 07:58:31,195 INFO L895 garLoopResultBuilder]: At program point L702(lines 702 719) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-19 07:58:31,195 INFO L895 garLoopResultBuilder]: At program point L717(line 717) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-19 07:58:31,196 INFO L899 garLoopResultBuilder]: For program point L717-1(lines 698 722) no Hoare annotation was computed. [2022-11-19 07:58:31,196 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 698 722) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-19 07:58:31,196 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 698 722) no Hoare annotation was computed. [2022-11-19 07:58:31,196 INFO L895 garLoopResultBuilder]: At program point L712(line 712) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-19 07:58:31,197 INFO L895 garLoopResultBuilder]: At program point L708(line 708) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-19 07:58:31,197 INFO L899 garLoopResultBuilder]: For program point L706(lines 706 714) no Hoare annotation was computed. [2022-11-19 07:58:31,197 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 782 792) the Hoare annotation is: true [2022-11-19 07:58:31,198 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 782 792) no Hoare annotation was computed. [2022-11-19 07:58:31,198 INFO L902 garLoopResultBuilder]: At program point L787(line 787) the Hoare annotation is: true [2022-11-19 07:58:31,198 INFO L899 garLoopResultBuilder]: For program point L787-1(line 787) no Hoare annotation was computed. [2022-11-19 07:58:31,201 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-19 07:58:31,203 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:58:31,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:58:31 BoogieIcfgContainer [2022-11-19 07:58:31,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:58:31,244 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:58:31,244 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:58:31,244 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:58:31,245 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:28" (3/4) ... [2022-11-19 07:58:31,248 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:58:31,253 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-19 07:58:31,253 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-19 07:58:31,253 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-19 07:58:31,253 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-19 07:58:31,254 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-19 07:58:31,254 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-19 07:58:31,254 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-19 07:58:31,254 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-19 07:58:31,255 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-19 07:58:31,269 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-11-19 07:58:31,269 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-19 07:58:31,270 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 07:58:31,270 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:58:31,271 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:58:31,303 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive [2022-11-19 07:58:31,304 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive [2022-11-19 07:58:31,305 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive [2022-11-19 07:58:31,306 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp <= 0 && 0 < tmp + 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) [2022-11-19 07:58:31,306 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp <= 0 && 0 < tmp + 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) [2022-11-19 07:58:31,307 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-11-19 07:58:31,347 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cb284f-8eca-4a81-a9f3-0220e5600899/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:58:31,348 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:58:31,351 INFO L158 Benchmark]: Toolchain (without parser) took 4249.81ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 104.5MB in the beginning and 122.6MB in the end (delta: -18.1MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2022-11-19 07:58:31,351 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 42.8MB in the beginning and 42.8MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:58:31,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 602.19ms. Allocated memory is still 138.4MB. Free memory was 104.5MB in the beginning and 105.6MB in the end (delta: -1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 07:58:31,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.74ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 103.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:58:31,352 INFO L158 Benchmark]: Boogie Preprocessor took 48.88ms. Allocated memory is still 138.4MB. Free memory was 102.7MB in the beginning and 101.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:58:31,353 INFO L158 Benchmark]: RCFGBuilder took 651.14ms. Allocated memory is still 138.4MB. Free memory was 101.4MB in the beginning and 78.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-19 07:58:31,355 INFO L158 Benchmark]: TraceAbstraction took 2755.87ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 77.3MB in the beginning and 127.9MB in the end (delta: -50.6MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2022-11-19 07:58:31,356 INFO L158 Benchmark]: Witness Printer took 106.27ms. Allocated memory is still 176.2MB. Free memory was 127.9MB in the beginning and 122.6MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:58:31,359 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 42.8MB in the beginning and 42.8MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 602.19ms. Allocated memory is still 138.4MB. Free memory was 104.5MB in the beginning and 105.6MB in the end (delta: -1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.74ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 103.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.88ms. Allocated memory is still 138.4MB. Free memory was 102.7MB in the beginning and 101.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 651.14ms. Allocated memory is still 138.4MB. Free memory was 101.4MB in the beginning and 78.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2755.87ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 77.3MB in the beginning and 127.9MB in the end (delta: -50.6MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Witness Printer took 106.27ms. Allocated memory is still 176.2MB. Free memory was 127.9MB in the beginning and 122.6MB in the end (delta: 5.3MB). 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: 653]: 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 10 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 144 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 526 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 285 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 236 IncrementalHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 241 mSDtfsCounter, 236 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 264 PreInvPairs, 285 NumberOfFragments, 296 HoareAnnotationTreeSize, 264 FomulaSimplifications, 40 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 37 FomulaSimplificationsInter, 727 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 309 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && tmp == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (((((tmp <= 0 && 0 < tmp + 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (((((tmp <= 0 && 0 < tmp + 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-11-19 07:58:31,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cb284f-8eca-4a81-a9f3-0220e5600899/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE