./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product62.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_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/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_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product62.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/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_a8523863-6d6a-46c9-9288-10bef669b67c/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 d8e8f57de68bd156f96d4553940231369dc2e0f8c550ee7a61d6446a6f476745 --- 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 07:30:25,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:30:25,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:30:25,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:30:25,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:30:25,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:30:25,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:30:25,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:30:25,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:30:25,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:30:25,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:30:25,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:30:25,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:30:25,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:30:25,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:30:25,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:30:25,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:30:25,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:30:25,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:30:25,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:30:25,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:30:25,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:30:25,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:30:25,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:30:25,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:30:25,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:30:25,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:30:25,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:30:25,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:30:25,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:30:25,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:30:25,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:30:25,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:30:25,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:30:25,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:30:25,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:30:25,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:30:25,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:30:25,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:30:25,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:30:25,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:30:25,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:30:25,668 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:30:25,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:30:25,669 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:30:25,670 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:30:25,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:30:25,676 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:30:25,677 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:30:25,677 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:30:25,677 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:30:25,677 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:30:25,679 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:30:25,679 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:30:25,679 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:30:25,680 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:30:25,680 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:30:25,680 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:30:25,680 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:30:25,681 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:30:25,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:30:25,682 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:30:25,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:30:25,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:30:25,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:30:25,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:30:25,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:30:25,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:30:25,684 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:30:25,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:30:25,685 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:30:25,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:30:25,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:30:25,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:30:25,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:30:25,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:30:25,687 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:30:25,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:30:25,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:30:25,687 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:30:25,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:30:25,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:30:25,688 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:30:25,688 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_a8523863-6d6a-46c9-9288-10bef669b67c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8e8f57de68bd156f96d4553940231369dc2e0f8c550ee7a61d6446a6f476745 [2022-11-19 07:30:26,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:30:26,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:30:26,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:30:26,093 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:30:26,094 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:30:26,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/product-lines/minepump_spec2_product62.cil.c [2022-11-19 07:30:26,176 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/data/744785713/f6021e775ac04732b77f4dc8218513e5/FLAGcf2676749 [2022-11-19 07:30:26,764 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:30:26,765 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/sv-benchmarks/c/product-lines/minepump_spec2_product62.cil.c [2022-11-19 07:30:26,799 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/data/744785713/f6021e775ac04732b77f4dc8218513e5/FLAGcf2676749 [2022-11-19 07:30:27,016 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/data/744785713/f6021e775ac04732b77f4dc8218513e5 [2022-11-19 07:30:27,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:30:27,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:30:27,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:30:27,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:30:27,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:30:27,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:30:27" (1/1) ... [2022-11-19 07:30:27,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1727bf87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:27, skipping insertion in model container [2022-11-19 07:30:27,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:30:27" (1/1) ... [2022-11-19 07:30:27,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:30:27,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:30:27,464 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_a8523863-6d6a-46c9-9288-10bef669b67c/sv-benchmarks/c/product-lines/minepump_spec2_product62.cil.c[12672,12685] [2022-11-19 07:30:27,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:30:27,527 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:30:27,598 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_a8523863-6d6a-46c9-9288-10bef669b67c/sv-benchmarks/c/product-lines/minepump_spec2_product62.cil.c[12672,12685] [2022-11-19 07:30:27,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:30:27,636 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:30:27,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:27 WrapperNode [2022-11-19 07:30:27,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:30:27,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:30:27,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:30:27,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:30:27,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:27" (1/1) ... [2022-11-19 07:30:27,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:27" (1/1) ... [2022-11-19 07:30:27,695 INFO L138 Inliner]: procedures = 59, calls = 106, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 223 [2022-11-19 07:30:27,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:30:27,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:30:27,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:30:27,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:30:27,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:27" (1/1) ... [2022-11-19 07:30:27,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:27" (1/1) ... [2022-11-19 07:30:27,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:27" (1/1) ... [2022-11-19 07:30:27,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:27" (1/1) ... [2022-11-19 07:30:27,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:27" (1/1) ... [2022-11-19 07:30:27,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:27" (1/1) ... [2022-11-19 07:30:27,758 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:27" (1/1) ... [2022-11-19 07:30:27,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:27" (1/1) ... [2022-11-19 07:30:27,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:30:27,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:30:27,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:30:27,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:30:27,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:27" (1/1) ... [2022-11-19 07:30:27,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:30:27,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:30:27,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:30:27,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:30:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:30:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-19 07:30:27,849 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-19 07:30:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-19 07:30:27,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-19 07:30:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-19 07:30:27,849 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-19 07:30:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-19 07:30:27,850 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-19 07:30:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-19 07:30:27,850 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-19 07:30:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-19 07:30:27,850 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-19 07:30:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-19 07:30:27,850 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-19 07:30:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-19 07:30:27,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-19 07:30:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-19 07:30:27,851 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-19 07:30:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:30:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-19 07:30:27,851 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-19 07:30:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:30:27,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:30:27,945 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:30:27,949 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:30:28,363 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:30:28,524 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:30:28,524 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:30:28,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:30:28 BoogieIcfgContainer [2022-11-19 07:30:28,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:30:28,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:30:28,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:30:28,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:30:28,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:30:27" (1/3) ... [2022-11-19 07:30:28,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fa8cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:30:28, skipping insertion in model container [2022-11-19 07:30:28,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:27" (2/3) ... [2022-11-19 07:30:28,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fa8cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:30:28, skipping insertion in model container [2022-11-19 07:30:28,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:30:28" (3/3) ... [2022-11-19 07:30:28,537 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product62.cil.c [2022-11-19 07:30:28,559 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:30:28,559 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:30:28,637 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:30:28,649 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;@39f93fd7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:30:28,650 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:30:28,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 45 states have (on average 1.4) internal successors, (63), 55 states have internal predecessors, (63), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-19 07:30:28,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 07:30:28,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:30:28,670 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 07:30:28,671 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:30:28,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:30:28,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1575993956, now seen corresponding path program 1 times [2022-11-19 07:30:28,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:30:28,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851505330] [2022-11-19 07:30:28,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:30:28,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:30:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:30:28,871 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 07:30:28,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:30:28,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851505330] [2022-11-19 07:30:28,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851505330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:30:28,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:30:28,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:30:28,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204028949] [2022-11-19 07:30:28,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:30:28,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:30:28,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:30:28,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:30:28,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:30:28,916 INFO L87 Difference]: Start difference. First operand has 75 states, 45 states have (on average 1.4) internal successors, (63), 55 states have internal predecessors, (63), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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 07:30:29,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:30:29,024 INFO L93 Difference]: Finished difference Result 148 states and 199 transitions. [2022-11-19 07:30:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:30:29,027 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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 07:30:29,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:30:29,042 INFO L225 Difference]: With dead ends: 148 [2022-11-19 07:30:29,043 INFO L226 Difference]: Without dead ends: 70 [2022-11-19 07:30:29,047 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 07:30:29,052 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:30:29,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:30:29,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-19 07:30:29,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-19 07:30:29,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 51 states have internal predecessors, (55), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-19 07:30:29,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 90 transitions. [2022-11-19 07:30:29,097 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 90 transitions. Word has length 17 [2022-11-19 07:30:29,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:30:29,098 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 90 transitions. [2022-11-19 07:30:29,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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 07:30:29,098 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2022-11-19 07:30:29,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:30:29,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:30:29,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:30:29,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:30:29,101 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:30:29,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:30:29,102 INFO L85 PathProgramCache]: Analyzing trace with hash -637143668, now seen corresponding path program 1 times [2022-11-19 07:30:29,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:30:29,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230449469] [2022-11-19 07:30:29,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:30:29,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:30:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:30:29,236 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 07:30:29,236 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:30:29,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230449469] [2022-11-19 07:30:29,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230449469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:30:29,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:30:29,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:30:29,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058164908] [2022-11-19 07:30:29,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:30:29,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:30:29,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:30:29,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:30:29,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:30:29,240 INFO L87 Difference]: Start difference. First operand 70 states and 90 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 07:30:29,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:30:29,296 INFO L93 Difference]: Finished difference Result 117 states and 151 transitions. [2022-11-19 07:30:29,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:30:29,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 18 [2022-11-19 07:30:29,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:30:29,299 INFO L225 Difference]: With dead ends: 117 [2022-11-19 07:30:29,299 INFO L226 Difference]: Without dead ends: 62 [2022-11-19 07:30:29,300 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 07:30:29,301 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 7 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:30:29,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 119 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:30:29,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-19 07:30:29,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-11-19 07:30:29,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 46 states have internal predecessors, (49), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-19 07:30:29,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 79 transitions. [2022-11-19 07:30:29,313 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 79 transitions. Word has length 18 [2022-11-19 07:30:29,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:30:29,314 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 79 transitions. [2022-11-19 07:30:29,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 07:30:29,314 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2022-11-19 07:30:29,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 07:30:29,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:30:29,316 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] [2022-11-19 07:30:29,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:30:29,316 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:30:29,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:30:29,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1521244462, now seen corresponding path program 1 times [2022-11-19 07:30:29,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:30:29,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377724069] [2022-11-19 07:30:29,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:30:29,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:30:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:30:29,501 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 07:30:29,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:30:29,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377724069] [2022-11-19 07:30:29,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377724069] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:30:29,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:30:29,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:30:29,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876198409] [2022-11-19 07:30:29,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:30:29,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:30:29,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:30:29,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:30:29,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:30:29,508 INFO L87 Difference]: Start difference. First operand 62 states and 79 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:30:29,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:30:29,635 INFO L93 Difference]: Finished difference Result 166 states and 218 transitions. [2022-11-19 07:30:29,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:30:29,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-11-19 07:30:29,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:30:29,638 INFO L225 Difference]: With dead ends: 166 [2022-11-19 07:30:29,638 INFO L226 Difference]: Without dead ends: 106 [2022-11-19 07:30:29,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:30:29,640 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 47 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:30:29,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 195 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:30:29,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-19 07:30:29,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102. [2022-11-19 07:30:29,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 64 states have (on average 1.25) internal successors, (80), 72 states have internal predecessors, (80), 20 states have call successors, (20), 17 states have call predecessors, (20), 17 states have return successors, (26), 18 states have call predecessors, (26), 20 states have call successors, (26) [2022-11-19 07:30:29,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 126 transitions. [2022-11-19 07:30:29,662 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 126 transitions. Word has length 20 [2022-11-19 07:30:29,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:30:29,662 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 126 transitions. [2022-11-19 07:30:29,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:30:29,663 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 126 transitions. [2022-11-19 07:30:29,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-19 07:30:29,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:30:29,665 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:30:29,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:30:29,665 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:30:29,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:30:29,674 INFO L85 PathProgramCache]: Analyzing trace with hash -528032604, now seen corresponding path program 1 times [2022-11-19 07:30:29,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:30:29,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14965060] [2022-11-19 07:30:29,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:30:29,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:30:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:30:29,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:30:29,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:30:29,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14965060] [2022-11-19 07:30:29,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14965060] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:30:29,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:30:29,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:30:29,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358592897] [2022-11-19 07:30:29,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:30:29,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:30:29,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:30:29,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:30:29,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:30:29,840 INFO L87 Difference]: Start difference. First operand 102 states and 126 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-19 07:30:29,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:30:29,922 INFO L93 Difference]: Finished difference Result 184 states and 231 transitions. [2022-11-19 07:30:29,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:30:29,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2022-11-19 07:30:29,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:30:29,926 INFO L225 Difference]: With dead ends: 184 [2022-11-19 07:30:29,926 INFO L226 Difference]: Without dead ends: 182 [2022-11-19 07:30:29,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 07:30:29,928 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 56 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:30:29,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 139 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:30:29,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-11-19 07:30:29,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2022-11-19 07:30:29,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 110 states have (on average 1.2454545454545454) internal successors, (137), 124 states have internal predecessors, (137), 37 states have call successors, (37), 31 states have call predecessors, (37), 31 states have return successors, (51), 32 states have call predecessors, (51), 37 states have call successors, (51) [2022-11-19 07:30:29,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 225 transitions. [2022-11-19 07:30:29,991 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 225 transitions. Word has length 41 [2022-11-19 07:30:29,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:30:29,992 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 225 transitions. [2022-11-19 07:30:29,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-19 07:30:29,993 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 225 transitions. [2022-11-19 07:30:29,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-19 07:30:29,999 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:30:29,999 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2022-11-19 07:30:30,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:30:30,000 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:30:30,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:30:30,001 INFO L85 PathProgramCache]: Analyzing trace with hash 338664275, now seen corresponding path program 1 times [2022-11-19 07:30:30,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:30:30,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760178695] [2022-11-19 07:30:30,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:30:30,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:30:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:30:30,705 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-19 07:30:30,705 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:30:30,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760178695] [2022-11-19 07:30:30,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760178695] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:30:30,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696070763] [2022-11-19 07:30:30,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:30:30,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:30:30,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:30:30,716 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:30:30,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:30:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:30:30,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-19 07:30:30,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:30:31,129 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:30:31,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:30:31,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696070763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:30:31,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:30:31,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 10 [2022-11-19 07:30:31,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995607985] [2022-11-19 07:30:31,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:30:31,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:30:31,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:30:31,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:30:31,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:30:31,138 INFO L87 Difference]: Start difference. First operand 179 states and 225 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-19 07:30:31,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:30:31,251 INFO L93 Difference]: Finished difference Result 356 states and 453 transitions. [2022-11-19 07:30:31,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:30:31,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 60 [2022-11-19 07:30:31,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:30:31,254 INFO L225 Difference]: With dead ends: 356 [2022-11-19 07:30:31,254 INFO L226 Difference]: Without dead ends: 179 [2022-11-19 07:30:31,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:30:31,257 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 45 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:30:31,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 112 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:30:31,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-11-19 07:30:31,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2022-11-19 07:30:31,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 110 states have (on average 1.2181818181818183) internal successors, (134), 124 states have internal predecessors, (134), 37 states have call successors, (37), 31 states have call predecessors, (37), 31 states have return successors, (51), 32 states have call predecessors, (51), 37 states have call successors, (51) [2022-11-19 07:30:31,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 222 transitions. [2022-11-19 07:30:31,308 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 222 transitions. Word has length 60 [2022-11-19 07:30:31,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:30:31,308 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 222 transitions. [2022-11-19 07:30:31,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-19 07:30:31,309 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 222 transitions. [2022-11-19 07:30:31,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-19 07:30:31,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:30:31,322 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:30:31,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 07:30:31,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:30:31,530 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:30:31,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:30:31,530 INFO L85 PathProgramCache]: Analyzing trace with hash 399405763, now seen corresponding path program 1 times [2022-11-19 07:30:31,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:30:31,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675631271] [2022-11-19 07:30:31,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:30:31,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:30:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:30:31,669 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-19 07:30:31,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:30:31,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675631271] [2022-11-19 07:30:31,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675631271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:30:31,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:30:31,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:30:31,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070525340] [2022-11-19 07:30:31,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:30:31,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:30:31,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:30:31,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:30:31,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:30:31,672 INFO L87 Difference]: Start difference. First operand 179 states and 222 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 07:30:31,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:30:31,817 INFO L93 Difference]: Finished difference Result 372 states and 478 transitions. [2022-11-19 07:30:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:30:31,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 81 [2022-11-19 07:30:31,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:30:31,820 INFO L225 Difference]: With dead ends: 372 [2022-11-19 07:30:31,820 INFO L226 Difference]: Without dead ends: 195 [2022-11-19 07:30:31,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:30:31,823 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 50 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:30:31,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 193 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:30:31,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-11-19 07:30:31,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 191. [2022-11-19 07:30:31,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 120 states have (on average 1.1666666666666667) internal successors, (140), 133 states have internal predecessors, (140), 36 states have call successors, (36), 31 states have call predecessors, (36), 34 states have return successors, (49), 35 states have call predecessors, (49), 36 states have call successors, (49) [2022-11-19 07:30:31,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 225 transitions. [2022-11-19 07:30:31,872 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 225 transitions. Word has length 81 [2022-11-19 07:30:31,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:30:31,876 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 225 transitions. [2022-11-19 07:30:31,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 07:30:31,877 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 225 transitions. [2022-11-19 07:30:31,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-19 07:30:31,885 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:30:31,885 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:30:31,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:30:31,886 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:30:31,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:30:31,887 INFO L85 PathProgramCache]: Analyzing trace with hash 894312296, now seen corresponding path program 1 times [2022-11-19 07:30:31,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:30:31,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500951013] [2022-11-19 07:30:31,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:30:31,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:30:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:30:32,718 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 07:30:32,718 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:30:32,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500951013] [2022-11-19 07:30:32,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500951013] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:30:32,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933478813] [2022-11-19 07:30:32,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:30:32,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:30:32,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:30:32,725 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:30:32,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:30:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:30:32,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-19 07:30:32,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:30:33,232 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 07:30:33,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:30:33,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933478813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:30:33,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:30:33,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 19 [2022-11-19 07:30:33,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958567654] [2022-11-19 07:30:33,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:30:33,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 07:30:33,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:30:33,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 07:30:33,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2022-11-19 07:30:33,235 INFO L87 Difference]: Start difference. First operand 191 states and 225 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 6 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 6 states have call successors, (12) [2022-11-19 07:30:34,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:30:34,061 INFO L93 Difference]: Finished difference Result 442 states and 532 transitions. [2022-11-19 07:30:34,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-19 07:30:34,063 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 6 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 6 states have call successors, (12) Word has length 85 [2022-11-19 07:30:34,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:30:34,072 INFO L225 Difference]: With dead ends: 442 [2022-11-19 07:30:34,072 INFO L226 Difference]: Without dead ends: 253 [2022-11-19 07:30:34,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=119, Invalid=531, Unknown=0, NotChecked=0, Total=650 [2022-11-19 07:30:34,075 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 184 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:30:34,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 194 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 07:30:34,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2022-11-19 07:30:34,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 223. [2022-11-19 07:30:34,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 143 states have (on average 1.1608391608391608) internal successors, (166), 157 states have internal predecessors, (166), 40 states have call successors, (40), 36 states have call predecessors, (40), 39 states have return successors, (55), 39 states have call predecessors, (55), 40 states have call successors, (55) [2022-11-19 07:30:34,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 261 transitions. [2022-11-19 07:30:34,110 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 261 transitions. Word has length 85 [2022-11-19 07:30:34,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:30:34,111 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 261 transitions. [2022-11-19 07:30:34,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 6 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 6 states have call successors, (12) [2022-11-19 07:30:34,111 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 261 transitions. [2022-11-19 07:30:34,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-19 07:30:34,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:30:34,113 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:30:34,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:30:34,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-19 07:30:34,320 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:30:34,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:30:34,320 INFO L85 PathProgramCache]: Analyzing trace with hash -355753449, now seen corresponding path program 1 times [2022-11-19 07:30:34,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:30:34,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406519167] [2022-11-19 07:30:34,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:30:34,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:30:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:30:34,553 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-19 07:30:34,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:30:34,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406519167] [2022-11-19 07:30:34,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406519167] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:30:34,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264820103] [2022-11-19 07:30:34,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:30:34,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:30:34,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:30:34,555 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:30:34,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:30:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:30:34,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-19 07:30:34,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:30:35,113 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 29 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:30:35,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:30:35,892 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-19 07:30:35,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264820103] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:30:35,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1464695166] [2022-11-19 07:30:35,914 INFO L159 IcfgInterpreter]: Started Sifa with 54 locations of interest [2022-11-19 07:30:35,914 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:30:35,918 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:30:35,924 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:30:35,925 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:30:37,286 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 116 for LOIs [2022-11-19 07:30:37,304 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 31 for LOIs [2022-11-19 07:30:37,403 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 26 for LOIs [2022-11-19 07:30:37,435 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2022-11-19 07:30:37,595 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 28 for LOIs [2022-11-19 07:30:37,624 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 53 for LOIs [2022-11-19 07:30:37,639 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:30:42,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1464695166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:30:42,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:30:42,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [7, 13, 14] total 53 [2022-11-19 07:30:42,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799393267] [2022-11-19 07:30:42,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:30:42,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-19 07:30:42,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:30:42,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-19 07:30:42,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=416, Invalid=2340, Unknown=0, NotChecked=0, Total=2756 [2022-11-19 07:30:42,481 INFO L87 Difference]: Start difference. First operand 223 states and 261 transitions. Second operand has 27 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 21 states have internal predecessors, (40), 8 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (11), 9 states have call predecessors, (11), 8 states have call successors, (11) [2022-11-19 07:30:49,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:30:49,814 INFO L93 Difference]: Finished difference Result 682 states and 809 transitions. [2022-11-19 07:30:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-19 07:30:49,823 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 21 states have internal predecessors, (40), 8 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (11), 9 states have call predecessors, (11), 8 states have call successors, (11) Word has length 88 [2022-11-19 07:30:49,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:30:49,826 INFO L225 Difference]: With dead ends: 682 [2022-11-19 07:30:49,826 INFO L226 Difference]: Without dead ends: 461 [2022-11-19 07:30:49,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 210 SyntacticMatches, 8 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1715 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=887, Invalid=4515, Unknown=0, NotChecked=0, Total=5402 [2022-11-19 07:30:49,830 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 187 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 1532 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 1637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:30:49,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 506 Invalid, 1637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1532 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-19 07:30:49,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2022-11-19 07:30:49,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 440. [2022-11-19 07:30:49,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 288 states have (on average 1.1493055555555556) internal successors, (331), 307 states have internal predecessors, (331), 77 states have call successors, (77), 70 states have call predecessors, (77), 74 states have return successors, (104), 75 states have call predecessors, (104), 77 states have call successors, (104) [2022-11-19 07:30:49,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 512 transitions. [2022-11-19 07:30:49,922 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 512 transitions. Word has length 88 [2022-11-19 07:30:49,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:30:49,922 INFO L495 AbstractCegarLoop]: Abstraction has 440 states and 512 transitions. [2022-11-19 07:30:49,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 21 states have internal predecessors, (40), 8 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (11), 9 states have call predecessors, (11), 8 states have call successors, (11) [2022-11-19 07:30:49,923 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 512 transitions. [2022-11-19 07:30:49,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-19 07:30:49,925 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:30:49,926 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:30:49,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:30:50,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:30:50,132 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:30:50,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:30:50,133 INFO L85 PathProgramCache]: Analyzing trace with hash -796033994, now seen corresponding path program 1 times [2022-11-19 07:30:50,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:30:50,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029461050] [2022-11-19 07:30:50,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:30:50,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:30:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:30:50,547 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-19 07:30:50,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:30:50,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029461050] [2022-11-19 07:30:50,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029461050] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:30:50,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931023005] [2022-11-19 07:30:50,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:30:50,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:30:50,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:30:50,561 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:30:50,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:30:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:30:50,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-19 07:30:50,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:30:50,864 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:30:50,864 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:30:50,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931023005] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:30:50,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:30:50,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13] total 21 [2022-11-19 07:30:50,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894380806] [2022-11-19 07:30:50,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:30:50,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 07:30:50,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:30:50,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 07:30:50,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2022-11-19 07:30:50,867 INFO L87 Difference]: Start difference. First operand 440 states and 512 transitions. Second operand has 11 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (15), 3 states have call predecessors, (15), 6 states have return successors, (14), 6 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-19 07:30:51,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:30:51,340 INFO L93 Difference]: Finished difference Result 1068 states and 1295 transitions. [2022-11-19 07:30:51,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-19 07:30:51,341 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (15), 3 states have call predecessors, (15), 6 states have return successors, (14), 6 states have call predecessors, (14), 3 states have call successors, (14) Word has length 91 [2022-11-19 07:30:51,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:30:51,352 INFO L225 Difference]: With dead ends: 1068 [2022-11-19 07:30:51,352 INFO L226 Difference]: Without dead ends: 699 [2022-11-19 07:30:51,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=720, Unknown=0, NotChecked=0, Total=812 [2022-11-19 07:30:51,355 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 52 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:30:51,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 791 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:30:51,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2022-11-19 07:30:51,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 677. [2022-11-19 07:30:51,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 448 states have (on average 1.1361607142857142) internal successors, (509), 470 states have internal predecessors, (509), 116 states have call successors, (116), 107 states have call predecessors, (116), 112 states have return successors, (177), 115 states have call predecessors, (177), 116 states have call successors, (177) [2022-11-19 07:30:51,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 802 transitions. [2022-11-19 07:30:51,444 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 802 transitions. Word has length 91 [2022-11-19 07:30:51,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:30:51,445 INFO L495 AbstractCegarLoop]: Abstraction has 677 states and 802 transitions. [2022-11-19 07:30:51,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (15), 3 states have call predecessors, (15), 6 states have return successors, (14), 6 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-19 07:30:51,445 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 802 transitions. [2022-11-19 07:30:51,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-19 07:30:51,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:30:51,448 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:30:51,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:30:51,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:30:51,655 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:30:51,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:30:51,655 INFO L85 PathProgramCache]: Analyzing trace with hash 235865369, now seen corresponding path program 1 times [2022-11-19 07:30:51,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:30:51,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189142599] [2022-11-19 07:30:51,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:30:51,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:30:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:30:52,064 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-19 07:30:52,065 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:30:52,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189142599] [2022-11-19 07:30:52,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189142599] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:30:52,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738545979] [2022-11-19 07:30:52,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:30:52,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:30:52,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:30:52,067 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:30:52,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 07:30:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:30:52,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-19 07:30:52,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:30:52,312 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-19 07:30:52,312 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:30:52,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738545979] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:30:52,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:30:52,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13] total 19 [2022-11-19 07:30:52,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871911612] [2022-11-19 07:30:52,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:30:52,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 07:30:52,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:30:52,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 07:30:52,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-11-19 07:30:52,314 INFO L87 Difference]: Start difference. First operand 677 states and 802 transitions. Second operand has 11 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (14), 5 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 07:30:52,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:30:52,812 INFO L93 Difference]: Finished difference Result 1269 states and 1537 transitions. [2022-11-19 07:30:52,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-19 07:30:52,813 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (14), 5 states have call predecessors, (14), 2 states have call successors, (14) Word has length 94 [2022-11-19 07:30:52,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:30:52,814 INFO L225 Difference]: With dead ends: 1269 [2022-11-19 07:30:52,814 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:30:52,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2022-11-19 07:30:52,818 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 57 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:30:52,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 483 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:30:52,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:30:52,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:30:52,821 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 07:30:52,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:30:52,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 94 [2022-11-19 07:30:52,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:30:52,822 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:30:52,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (14), 5 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 07:30:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:30:52,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:30:52,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:30:52,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 07:30:53,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-19 07:30:53,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 07:31:09,157 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 922 929) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~pumpRunning~0)| 0) (= 0 ~systemActive~0)) [2022-11-19 07:31:09,157 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 922 929) no Hoare annotation was computed. [2022-11-19 07:31:09,158 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 812 818) no Hoare annotation was computed. [2022-11-19 07:31:09,158 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 812 818) the Hoare annotation is: true [2022-11-19 07:31:09,158 INFO L895 garLoopResultBuilder]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse0) (= ~pumpRunning~0 0) .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-19 07:31:09,158 INFO L899 garLoopResultBuilder]: For program point L865-1(lines 846 870) no Hoare annotation was computed. [2022-11-19 07:31:09,158 INFO L895 garLoopResultBuilder]: At program point L860(line 860) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~pumpRunning~0 0)) .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse0) .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-19 07:31:09,159 INFO L895 garLoopResultBuilder]: At program point L856(line 856) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~pumpRunning~0 0)) .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse0) .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-19 07:31:09,159 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 862) no Hoare annotation was computed. [2022-11-19 07:31:09,159 INFO L895 garLoopResultBuilder]: At program point L850(lines 850 867) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or (not .cse0) .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not .cse1) .cse0 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-19 07:31:09,159 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 846 870) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or (not .cse0) .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not .cse1) .cse0 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-19 07:31:09,159 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 846 870) no Hoare annotation was computed. [2022-11-19 07:31:09,160 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 603 614) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 0) .cse0 (not .cse1) .cse2) (or (not .cse0) .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-19 07:31:09,160 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 603 614) no Hoare annotation was computed. [2022-11-19 07:31:09,160 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 615 623) the Hoare annotation is: true [2022-11-19 07:31:09,160 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 615 623) no Hoare annotation was computed. [2022-11-19 07:31:09,160 INFO L899 garLoopResultBuilder]: For program point L799-1(lines 799 805) no Hoare annotation was computed. [2022-11-19 07:31:09,160 INFO L895 garLoopResultBuilder]: At program point L886(line 886) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~methAndRunningLastTime~0 0) .cse1) (or (not .cse2) .cse0 .cse1) (or .cse2 .cse1 (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (and (not (< 0 ~waterLevel~0)) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0) (= |timeShift_processEnvironment_~tmp~8#1| ~methaneLevelCritical~0))))) [2022-11-19 07:31:09,161 INFO L895 garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~methAndRunningLastTime~0 0) .cse1) (or (not .cse2) .cse0 .cse1) (or .cse2 .cse1 (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (and (not (< 0 ~waterLevel~0)) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (not (= ~pumpRunning~0 0)) (= |timeShift_processEnvironment_~tmp~8#1| ~methaneLevelCritical~0))) (or (not (= |timeShift_processEnvironment_~tmp~8#1| 0)) .cse2 .cse1))) [2022-11-19 07:31:09,161 INFO L895 garLoopResultBuilder]: At program point L878(line 878) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~methAndRunningLastTime~0 0) .cse1) (or (not .cse2) .cse0 .cse1) (or .cse2 (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (and (not (< 0 ~waterLevel~0)) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (not (= ~pumpRunning~0 0))) .cse1))) [2022-11-19 07:31:09,161 INFO L899 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2022-11-19 07:31:09,162 INFO L895 garLoopResultBuilder]: At program point L548(line 548) the Hoare annotation is: (let ((.cse16 (= |old(~pumpRunning~0)| 0)) (.cse15 (= ~methaneLevelCritical~0 0)) (.cse19 (= ~pumpRunning~0 0)) (.cse17 (= |timeShift_processEnvironment_~tmp~8#1| ~methaneLevelCritical~0)) (.cse18 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~systemActive~0))) (let ((.cse13 (and .cse19 .cse17 .cse18 (not .cse12))) (.cse2 (not (= |#NULL.offset| 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~head~0.offset 0))) (.cse6 (not .cse15)) (.cse7 (not (= |#NULL.base| 0))) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (not (<= 0 |#StackHeapBarrier|))) (.cse9 (not (= ~head~0.base 0))) (.cse10 (not (= ~cleanupTimeShifts~0 4))) (.cse0 (not .cse16)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (= ~methAndRunningLastTime~0 0))) (and (let ((.cse1 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) .cse0 (not (= (select .cse1 0) 48)) .cse2 (not (= 9 (select |#length| 11))) .cse3 (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) .cse4 (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) .cse5 (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) .cse6 (not (= (select .cse1 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) .cse7 (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) .cse8 (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) .cse9 .cse10)) (or .cse3 .cse11 .cse12 .cse13) (or .cse2 .cse3 .cse11 .cse4 .cse5 .cse6 .cse7 .cse14 .cse9 .cse10) (or .cse15 .cse16 .cse12 .cse13) (or (and .cse17 .cse18) .cse16 .cse12) (or .cse0 .cse2 .cse3 .cse4 .cse5 (< |old(~waterLevel~0)| 2) .cse6 .cse7 .cse8 .cse14 .cse9 .cse10) (or .cse0 .cse3 (and .cse19 .cse11 .cse18) (and .cse11 (<= 2 ~waterLevel~0) .cse18) .cse12)))) [2022-11-19 07:31:09,162 INFO L899 garLoopResultBuilder]: For program point L548-1(line 548) no Hoare annotation was computed. [2022-11-19 07:31:09,163 INFO L895 garLoopResultBuilder]: At program point L891(line 891) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0)) (.cse0 (not (= |#NULL.offset| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~head~0.offset 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |#NULL.base| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= ~head~0.base 0))) (.cse8 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 .cse3 (< |old(~waterLevel~0)| 2) .cse4 .cse5 .cse6 (not (<= 0 |#StackHeapBarrier|)) .cse7 .cse8) (or (= |old(~pumpRunning~0)| 0) .cse9) (or .cse1 (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (<= ~waterLevel~0 |old(~waterLevel~0)|)) .cse9) (let ((.cse10 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse10 0) 48)) .cse0 (not (= 9 (select |#length| 11))) .cse1 (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) .cse2 (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) .cse3 (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) .cse4 (not (= (select .cse10 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) .cse5 (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) .cse6 (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) .cse7 .cse8)))) [2022-11-19 07:31:09,163 INFO L895 garLoopResultBuilder]: At program point L891-1(lines 872 896) the Hoare annotation is: (let ((.cse16 (= |old(~pumpRunning~0)| 0)) (.cse15 (= ~methaneLevelCritical~0 0)) (.cse19 (= ~pumpRunning~0 0)) (.cse17 (= |timeShift_processEnvironment_~tmp~8#1| ~methaneLevelCritical~0)) (.cse18 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~systemActive~0))) (let ((.cse13 (and .cse19 .cse17 .cse18 (not .cse12))) (.cse2 (not (= |#NULL.offset| 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~head~0.offset 0))) (.cse6 (not .cse15)) (.cse7 (not (= |#NULL.base| 0))) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (not (<= 0 |#StackHeapBarrier|))) (.cse9 (not (= ~head~0.base 0))) (.cse10 (not (= ~cleanupTimeShifts~0 4))) (.cse0 (not .cse16)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (= ~methAndRunningLastTime~0 0))) (and (let ((.cse1 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) .cse0 (not (= (select .cse1 0) 48)) .cse2 (not (= 9 (select |#length| 11))) .cse3 (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) .cse4 (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) .cse5 (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) .cse6 (not (= (select .cse1 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) .cse7 (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) .cse8 (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) .cse9 .cse10)) (or .cse3 .cse11 .cse12 .cse13) (or .cse2 .cse3 .cse11 .cse4 .cse5 .cse6 .cse7 .cse14 .cse9 .cse10) (or .cse15 .cse16 .cse12 .cse13) (or (and .cse17 .cse18) .cse16 .cse12) (or .cse0 .cse2 .cse3 .cse4 .cse5 (< |old(~waterLevel~0)| 2) .cse6 .cse7 .cse8 .cse14 .cse9 .cse10) (or .cse0 .cse3 (and .cse19 .cse11 .cse18) (and .cse11 (<= 2 ~waterLevel~0) .cse18) .cse12)))) [2022-11-19 07:31:09,163 INFO L899 garLoopResultBuilder]: For program point L792-1(lines 791 810) no Hoare annotation was computed. [2022-11-19 07:31:09,164 INFO L899 garLoopResultBuilder]: For program point L880(lines 880 888) no Hoare annotation was computed. [2022-11-19 07:31:09,164 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 893) no Hoare annotation was computed. [2022-11-19 07:31:09,164 INFO L899 garLoopResultBuilder]: For program point L554(lines 554 564) no Hoare annotation was computed. [2022-11-19 07:31:09,164 INFO L895 garLoopResultBuilder]: At program point L550(lines 550 567) the Hoare annotation is: (let ((.cse11 (= |old(~pumpRunning~0)| 0))) (let ((.cse12 (= ~pumpRunning~0 0)) (.cse17 (= ~methAndRunningLastTime~0 0)) (.cse14 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse15 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~4#1| ~methaneLevelCritical~0)) (.cse16 (= 0 ~systemActive~0)) (.cse0 (not .cse11)) (.cse2 (not (= |#NULL.offset| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~head~0.offset 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |#NULL.base| 0))) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse18 (not (<= 0 |#StackHeapBarrier|))) (.cse9 (not (= ~head~0.base 0))) (.cse10 (not (= ~cleanupTimeShifts~0 4)))) (and (let ((.cse1 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) .cse0 (not (= (select .cse1 0) 48)) .cse2 (not (= 9 (select |#length| 11))) .cse3 (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) .cse4 (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) .cse5 (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) .cse6 (not (= (select .cse1 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) .cse7 (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) .cse8 (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) .cse9 .cse10)) (let ((.cse13 (= |timeShift_processEnvironment_~tmp~8#1| ~methaneLevelCritical~0))) (or .cse11 (and .cse12 .cse13 .cse14 .cse15) (and (= |timeShift___utac_acc__Specification2_spec__2_~tmp~4#1| 0) .cse13 .cse14 .cse15) .cse16)) (or .cse3 .cse17 .cse16 (and .cse12 .cse14)) (or .cse2 .cse3 .cse17 .cse4 .cse5 .cse6 .cse7 .cse18 .cse9 .cse10) (or .cse0 .cse3 (and .cse12 (<= ~waterLevel~0 1) .cse14 .cse15) (and .cse17 (<= 2 ~waterLevel~0) .cse14 .cse15) .cse16) (or .cse0 .cse2 .cse3 .cse4 .cse5 (< |old(~waterLevel~0)| 2) .cse6 .cse7 .cse8 .cse18 .cse9 .cse10)))) [2022-11-19 07:31:09,165 INFO L895 garLoopResultBuilder]: At program point L550-1(lines 542 570) the Hoare annotation is: (let ((.cse18 (= 0 ~systemActive~0)) (.cse17 (= |old(~pumpRunning~0)| 0))) (let ((.cse2 (not (= |#NULL.offset| 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~head~0.offset 0))) (.cse7 (not (= |#NULL.base| 0))) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (not (= ~head~0.base 0))) (.cse10 (not (= ~cleanupTimeShifts~0 4))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse14 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse15 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~4#1| ~methaneLevelCritical~0)) (.cse0 (not .cse17)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (= ~pumpRunning~0 0)) (.cse12 (= ~methAndRunningLastTime~0 0)) (.cse16 (not .cse18))) (and (let ((.cse1 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) .cse0 (not (= (select .cse1 0) 48)) .cse2 (not (= 9 (select |#length| 11))) .cse3 (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) .cse4 (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) .cse5 (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) .cse6 (not (= (select .cse1 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) .cse7 (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) .cse8 (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) .cse9 .cse10)) (let ((.cse13 (= |timeShift_processEnvironment_~tmp~8#1| ~methaneLevelCritical~0))) (or (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse12 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~4#1| 0) .cse13 .cse14 .cse15) .cse17 .cse18)) (or .cse0 .cse2 .cse3 .cse4 .cse5 (< |old(~waterLevel~0)| 2) .cse6 .cse7 .cse8 (not (<= 0 |#StackHeapBarrier|)) .cse9 .cse10) (or (and (not .cse11) .cse6 (= ~pumpRunning~0 |timeShift___utac_acc__Specification2_spec__2_~tmp___0~0#1|) .cse14 .cse15) .cse3 (and .cse12 .cse14 .cse15) .cse18) (or .cse0 .cse3 (<= 2 ~waterLevel~0) (and .cse11 .cse12 .cse16) .cse18)))) [2022-11-19 07:31:09,165 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 788 811) the Hoare annotation is: (let ((.cse14 (= |old(~pumpRunning~0)| 0))) (let ((.cse12 (= ~pumpRunning~0 0)) (.cse13 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not .cse14)) (.cse2 (not (= |#NULL.offset| 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~head~0.offset 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |#NULL.base| 0))) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (not (= ~head~0.base 0))) (.cse10 (not (= ~cleanupTimeShifts~0 4))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (= 0 ~systemActive~0))) (and (let ((.cse1 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) .cse0 (not (= (select .cse1 0) 48)) .cse2 (not (= 9 (select |#length| 11))) .cse3 (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) .cse4 (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) .cse5 (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) .cse6 (not (= (select .cse1 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) .cse7 (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) .cse8 (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) .cse9 .cse10)) (or .cse0 .cse3 .cse11 (and .cse12 .cse13)) (or .cse14 (and (not .cse12) .cse13) .cse11) (or .cse3 (= ~methAndRunningLastTime~0 0) .cse11) (or .cse0 .cse2 .cse3 .cse4 .cse5 (< |old(~waterLevel~0)| 2) .cse6 .cse7 .cse8 (not (<= 0 |#StackHeapBarrier|)) .cse9 .cse10) (or .cse3 (<= 2 ~waterLevel~0) .cse11 (not (<= 2 |old(~waterLevel~0)|)))))) [2022-11-19 07:31:09,166 INFO L895 garLoopResultBuilder]: At program point L526(line 526) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~methAndRunningLastTime~0)| 0)) .cse0) (or (= |old(~pumpRunning~0)| 0) .cse0))) [2022-11-19 07:31:09,166 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 561) no Hoare annotation was computed. [2022-11-19 07:31:09,166 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 788 811) no Hoare annotation was computed. [2022-11-19 07:31:09,166 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 526) no Hoare annotation was computed. [2022-11-19 07:31:09,166 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2022-11-19 07:31:09,166 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2022-11-19 07:31:09,166 INFO L902 garLoopResultBuilder]: At program point L443(lines 418 447) the Hoare annotation is: true [2022-11-19 07:31:09,167 INFO L899 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2022-11-19 07:31:09,167 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2022-11-19 07:31:09,167 INFO L902 garLoopResultBuilder]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2022-11-19 07:31:09,167 INFO L902 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2022-11-19 07:31:09,167 INFO L902 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2022-11-19 07:31:09,167 INFO L899 garLoopResultBuilder]: For program point L424-1(line 424) no Hoare annotation was computed. [2022-11-19 07:31:09,167 INFO L899 garLoopResultBuilder]: For program point L746(lines 746 752) no Hoare annotation was computed. [2022-11-19 07:31:09,167 INFO L895 garLoopResultBuilder]: At program point L746-1(lines 746 752) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2) (and (= ~methAndRunningLastTime~0 0) .cse0 .cse1 .cse2))) [2022-11-19 07:31:09,167 INFO L895 garLoopResultBuilder]: At program point L771(lines 726 773) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and (= ~methAndRunningLastTime~0 0) .cse0 .cse1 .cse2) (and (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2))) [2022-11-19 07:31:09,168 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and (= ~methAndRunningLastTime~0 0) .cse0 .cse1 .cse2) (and (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2))) [2022-11-19 07:31:09,168 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-19 07:31:09,168 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:31:09,168 INFO L895 garLoopResultBuilder]: At program point L508(lines 508 515) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) (= ~head~0.offset 0) (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= |ULTIMATE.start_valid_product_#res#1| |ULTIMATE.start_main_~tmp~3#1|) (= 1 ~systemActive~0) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= |ULTIMATE.start_main_~tmp~3#1| 1) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~head~0.base 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse0 0) 48) (= (select |#valid| 6) 1) (= |ULTIMATE.start_valid_product_~retValue_acc~9#1| |ULTIMATE.start_valid_product_#res#1|) (= (select .cse0 1) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))) [2022-11-19 07:31:09,168 INFO L895 garLoopResultBuilder]: At program point L764-2(lines 756 769) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2) (and (= ~methAndRunningLastTime~0 0) .cse0 .cse1 .cse2))) [2022-11-19 07:31:09,169 INFO L902 garLoopResultBuilder]: At program point L508-2(lines 508 515) the Hoare annotation is: true [2022-11-19 07:31:09,169 INFO L899 garLoopResultBuilder]: For program point L727(lines 726 773) no Hoare annotation was computed. [2022-11-19 07:31:09,169 INFO L895 garLoopResultBuilder]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and (= ~methAndRunningLastTime~0 0) .cse0 .cse1 .cse2) (and (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2))) [2022-11-19 07:31:09,169 INFO L902 garLoopResultBuilder]: At program point L777(lines 716 781) the Hoare annotation is: true [2022-11-19 07:31:09,169 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 742) no Hoare annotation was computed. [2022-11-19 07:31:09,169 INFO L899 garLoopResultBuilder]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2022-11-19 07:31:09,170 INFO L895 garLoopResultBuilder]: At program point L774(lines 725 775) the Hoare annotation is: false [2022-11-19 07:31:09,170 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 820 844) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or (not .cse0) .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not .cse1) .cse0 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-19 07:31:09,170 INFO L899 garLoopResultBuilder]: For program point L828(lines 828 836) no Hoare annotation was computed. [2022-11-19 07:31:09,170 INFO L895 garLoopResultBuilder]: At program point L824(lines 824 841) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or (not .cse0) .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not .cse1) .cse0 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-19 07:31:09,170 INFO L895 garLoopResultBuilder]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~pumpRunning~0 0)) .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse0) .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-19 07:31:09,170 INFO L899 garLoopResultBuilder]: For program point L839-1(lines 820 844) no Hoare annotation was computed. [2022-11-19 07:31:09,171 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 820 844) no Hoare annotation was computed. [2022-11-19 07:31:09,171 INFO L895 garLoopResultBuilder]: At program point L910(line 910) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= |#NULL.offset| 0)) (not (= 1 ~systemActive~0)) (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 1) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~12#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~6#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~10#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~10#1| 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|)) (not (= ~head~0.offset 0)) .cse1 (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) .cse3 (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) (or (not .cse0) (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 1)) .cse2 .cse3))) [2022-11-19 07:31:09,171 INFO L895 garLoopResultBuilder]: At program point L910-1(line 910) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= |#NULL.offset| 0)) (not (= 1 ~systemActive~0)) (not (= ~head~0.offset 0)) .cse1 (and (<= |processEnvironment__wrappee__highWaterSensor_activatePump_#t~ret43#1| 0) (<= 0 |processEnvironment__wrappee__highWaterSensor_activatePump_#t~ret43#1|) (<= 0 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~6#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (<= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~12#1| 1) (<= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 1) (<= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 1) (<= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (<= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~10#1| 0) (<= 0 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~10#1|) (<= 0 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~12#1|) (<= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~6#1| 0)) (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) .cse3 (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) (or (not .cse0) (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 1)) .cse2 .cse3))) [2022-11-19 07:31:09,172 INFO L895 garLoopResultBuilder]: At program point L834(line 834) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| 0)) (.cse4 (= 0 ~systemActive~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (let ((.cse0 (select |#memory_int| 1))) (or (not (= ~waterLevel~0 1)) (not (= (select |#length| 12) 25)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) .cse1 (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~12#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~6#1| 1) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~12#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~6#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~10#1|) (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) .cse2 (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) (or .cse3 .cse1 .cse4) (or (not .cse3) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0)) .cse4 .cse2))) [2022-11-19 07:31:09,172 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 591 602) no Hoare annotation was computed. [2022-11-19 07:31:09,173 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 591 602) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1) (let ((.cse5 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse5 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not .cse3) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not .cse4) (not (= (select .cse5 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) .cse2 (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) (or (<= 2 ~waterLevel~0) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-19 07:31:09,173 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 930 940) the Hoare annotation is: true [2022-11-19 07:31:09,173 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 930 940) no Hoare annotation was computed. [2022-11-19 07:31:09,173 INFO L902 garLoopResultBuilder]: At program point L935(line 935) the Hoare annotation is: true [2022-11-19 07:31:09,173 INFO L899 garLoopResultBuilder]: For program point L935-1(line 935) no Hoare annotation was computed. [2022-11-19 07:31:09,176 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:31:09,178 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:31:09,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:31:09 BoogieIcfgContainer [2022-11-19 07:31:09,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:31:09,231 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:31:09,231 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:31:09,231 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:31:09,231 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:30:28" (3/4) ... [2022-11-19 07:31:09,234 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:31:09,240 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-19 07:31:09,240 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-19 07:31:09,240 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-19 07:31:09,241 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-19 07:31:09,241 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-19 07:31:09,241 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-19 07:31:09,241 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-19 07:31:09,241 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-19 07:31:09,242 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-19 07:31:09,242 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-19 07:31:09,248 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2022-11-19 07:31:09,249 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-19 07:31:09,250 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-19 07:31:09,250 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:31:09,251 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:31:09,274 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && methAndRunningLastTime == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && \result == tmp) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && tmp == 1) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && retValue_acc == \result) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0 [2022-11-19 07:31:09,275 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(\old(methAndRunningLastTime) == 0)) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || \old(waterLevel) == waterLevel) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || 0 == systemActive) || (pumpRunning == 0 && waterLevel <= \old(waterLevel)))) && ((\old(pumpRunning) == 0 || (!(pumpRunning == 0) && waterLevel <= \old(waterLevel))) || 0 == systemActive)) && ((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || 0 == systemActive)) && (((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(head == 0)) || \old(waterLevel) < 2) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || \old(waterLevel) == waterLevel) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((!(\old(methAndRunningLastTime) == 0) || 2 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-19 07:31:09,276 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(\old(methAndRunningLastTime) == 0)) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || \old(waterLevel) == waterLevel) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) && (((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || 0 == systemActive) || (((pumpRunning == 0 && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)))) && (((((((((!(#NULL == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((methaneLevelCritical == 0 || \old(pumpRunning) == 0) || 0 == systemActive) || (((pumpRunning == 0 && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)))) && (((tmp == methaneLevelCritical && waterLevel <= \old(waterLevel)) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(head == 0)) || \old(waterLevel) < 2) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || \old(waterLevel) == waterLevel) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel <= \old(waterLevel))) || ((methAndRunningLastTime == 0 && 2 <= waterLevel) && waterLevel <= \old(waterLevel))) || 0 == systemActive) [2022-11-19 07:31:09,276 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-11-19 07:31:09,277 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(\old(methAndRunningLastTime) == 0)) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || \old(waterLevel) == waterLevel) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) && (((\old(pumpRunning) == 0 || (((pumpRunning == 0 && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && tmp == methaneLevelCritical)) || (((tmp == 0 && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && tmp == methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || 0 == systemActive) || (pumpRunning == 0 && waterLevel <= \old(waterLevel)))) && (((((((((!(#NULL == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && tmp == methaneLevelCritical)) || (((methAndRunningLastTime == 0 && 2 <= waterLevel) && waterLevel <= \old(waterLevel)) && tmp == methaneLevelCritical)) || 0 == systemActive)) && (((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(head == 0)) || \old(waterLevel) < 2) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || \old(waterLevel) == waterLevel) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) [2022-11-19 07:31:09,277 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-11-19 07:31:09,277 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(\old(methAndRunningLastTime) == 0)) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || \old(waterLevel) == waterLevel) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) && ((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && tmp == methaneLevelCritical) && !(0 == systemActive)) || ((((methAndRunningLastTime == 0 && tmp == 0) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && tmp == methaneLevelCritical)) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(head == 0)) || \old(waterLevel) < 2) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || \old(waterLevel) == waterLevel) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && pumpRunning == tmp___0) && waterLevel <= \old(waterLevel)) && tmp == methaneLevelCritical) || !(\old(methAndRunningLastTime) == 0)) || ((methAndRunningLastTime == 0 && waterLevel <= \old(waterLevel)) && tmp == methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || 2 <= waterLevel) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && !(0 == systemActive))) || 0 == systemActive) [2022-11-19 07:31:09,278 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\old(pumpRunning) == 0 || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((((((((!(#NULL == 0) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || (((((((((((((aux-isMethaneAlarm()-aux <= 0 && 0 <= aux-isMethaneAlarm()-aux) && 0 <= retValue_acc) && 1 <= tmp___0) && retValue_acc <= 1) && \result <= 1) && tmp___0 <= 1) && \result <= 0) && 1 <= \result) && tmp <= 0) && 0 <= tmp) && 0 <= \result) && 1 <= retValue_acc) && retValue_acc <= 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(methAndRunningLastTime == 0)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && 2 <= waterLevel) && tmp == 1)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-11-19 07:31:09,279 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(methAndRunningLastTime) == 0) || 0 == systemActive) && (\old(pumpRunning) == 0 || 0 == systemActive) [2022-11-19 07:31:09,302 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:31:09,302 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:31:09,303 INFO L158 Benchmark]: Toolchain (without parser) took 42280.53ms. Allocated memory was 98.6MB in the beginning and 281.0MB in the end (delta: 182.5MB). Free memory was 64.1MB in the beginning and 247.2MB in the end (delta: -183.1MB). Peak memory consumption was 391.5kB. Max. memory is 16.1GB. [2022-11-19 07:31:09,303 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 72.0MB in the beginning and 72.0MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:31:09,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 613.70ms. Allocated memory is still 98.6MB. Free memory was 63.9MB in the beginning and 66.7MB in the end (delta: -2.8MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2022-11-19 07:31:09,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.85ms. Allocated memory is still 98.6MB. Free memory was 66.7MB in the beginning and 64.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:31:09,304 INFO L158 Benchmark]: Boogie Preprocessor took 65.80ms. Allocated memory is still 98.6MB. Free memory was 64.6MB in the beginning and 62.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:31:09,305 INFO L158 Benchmark]: RCFGBuilder took 764.15ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 62.8MB in the beginning and 107.2MB in the end (delta: -44.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-19 07:31:09,305 INFO L158 Benchmark]: TraceAbstraction took 40700.47ms. Allocated memory was 132.1MB in the beginning and 281.0MB in the end (delta: 148.9MB). Free memory was 106.6MB in the beginning and 253.5MB in the end (delta: -146.9MB). Peak memory consumption was 170.2MB. Max. memory is 16.1GB. [2022-11-19 07:31:09,305 INFO L158 Benchmark]: Witness Printer took 71.78ms. Allocated memory is still 281.0MB. Free memory was 253.5MB in the beginning and 247.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 07:31:09,307 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 72.0MB in the beginning and 72.0MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 613.70ms. Allocated memory is still 98.6MB. Free memory was 63.9MB in the beginning and 66.7MB in the end (delta: -2.8MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.85ms. Allocated memory is still 98.6MB. Free memory was 66.7MB in the beginning and 64.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.80ms. Allocated memory is still 98.6MB. Free memory was 64.6MB in the beginning and 62.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 764.15ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 62.8MB in the beginning and 107.2MB in the end (delta: -44.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 40700.47ms. Allocated memory was 132.1MB in the beginning and 281.0MB in the end (delta: 148.9MB). Free memory was 106.6MB in the beginning and 253.5MB in the end (delta: -146.9MB). Peak memory consumption was 170.2MB. Max. memory is 16.1GB. * Witness Printer took 71.78ms. Allocated memory is still 281.0MB. Free memory was 253.5MB in the beginning and 247.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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: 526]: 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 11 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.6s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 714 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 685 mSDsluCounter, 2810 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2060 mSDsCounter, 239 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3196 IncrementalHoareTripleChecker+Invalid, 3435 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 239 mSolverCounterUnsat, 750 mSDtfsCounter, 3196 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 735 GetRequests, 561 SyntacticMatches, 8 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2049 ImplicationChecksByTransitivity, 11.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=677occurred in iteration=9, InterpolantAutomatonStates: 106, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 84 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 1598 PreInvPairs, 1851 NumberOfFragments, 4008 HoareAnnotationTreeSize, 1598 FomulaSimplifications, 1992 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 38830 FormulaSimplificationTreeSizeReductionInter, 15.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 1013 NumberOfCodeBlocks, 1013 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1085 ConstructedInterpolants, 0 QuantifiedInterpolants, 2819 SizeOfPredicates, 42 NumberOfNonLiveVariables, 1771 ConjunctsInSsa, 127 ConjunctsInUnsatCore, 16 InterpolantComputations, 9 PerfectInterpolantSequences, 405/465 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: OVERALL_TIME: 1.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 62, DAG_INTERPRETER_EARLY_EXITS: 7, TOOLS_POST_APPLICATIONS: 67, TOOLS_POST_TIME: 0.4s, TOOLS_POST_CALL_APPLICATIONS: 43, TOOLS_POST_CALL_TIME: 0.5s, TOOLS_POST_RETURN_APPLICATIONS: 36, TOOLS_POST_RETURN_TIME: 0.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 144, TOOLS_QUANTIFIERELIM_TIME: 1.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 173, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 34, DOMAIN_JOIN_TIME: 0.5s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 62, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.3s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.3s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 36, CALL_SUMMARIZER_CACHE_MISSES: 7, CALL_SUMMARIZER_OVERALL_TIME: 0.2s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.2s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 1050, DAG_COMPRESSION_RETAINED_NODES: 183, 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: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(\old(methAndRunningLastTime) == 0)) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || \old(waterLevel) == waterLevel) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || 0 == systemActive) || (pumpRunning == 0 && waterLevel <= \old(waterLevel)))) && ((\old(pumpRunning) == 0 || (!(pumpRunning == 0) && waterLevel <= \old(waterLevel))) || 0 == systemActive)) && ((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || 0 == systemActive)) && (((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(head == 0)) || \old(waterLevel) < 2) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || \old(waterLevel) == waterLevel) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((!(\old(methAndRunningLastTime) == 0) || 2 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(\old(methAndRunningLastTime) == 0)) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || \old(waterLevel) == waterLevel) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) && (((\old(pumpRunning) == 0 || (((pumpRunning == 0 && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && tmp == methaneLevelCritical)) || (((tmp == 0 && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && tmp == methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || 0 == systemActive) || (pumpRunning == 0 && waterLevel <= \old(waterLevel)))) && (((((((((!(#NULL == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && tmp == methaneLevelCritical)) || (((methAndRunningLastTime == 0 && 2 <= waterLevel) && waterLevel <= \old(waterLevel)) && tmp == methaneLevelCritical)) || 0 == systemActive)) && (((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(head == 0)) || \old(waterLevel) < 2) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || \old(waterLevel) == waterLevel) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(\old(methAndRunningLastTime) == 0)) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || \old(waterLevel) == waterLevel) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) && (((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || 0 == systemActive) || (((pumpRunning == 0 && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)))) && (((((((((!(#NULL == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((methaneLevelCritical == 0 || \old(pumpRunning) == 0) || 0 == systemActive) || (((pumpRunning == 0 && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)))) && (((tmp == methaneLevelCritical && waterLevel <= \old(waterLevel)) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(head == 0)) || \old(waterLevel) < 2) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || \old(waterLevel) == waterLevel) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel <= \old(waterLevel))) || ((methAndRunningLastTime == 0 && 2 <= waterLevel) && waterLevel <= \old(waterLevel))) || 0 == systemActive) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: (((\old(pumpRunning) == 0 || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((((((((!(#NULL == 0) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || (((((((((((((aux-isMethaneAlarm()-aux <= 0 && 0 <= aux-isMethaneAlarm()-aux) && 0 <= retValue_acc) && 1 <= tmp___0) && retValue_acc <= 1) && \result <= 1) && tmp___0 <= 1) && \result <= 0) && 1 <= \result) && tmp <= 0) && 0 <= tmp) && 0 <= \result) && 1 <= retValue_acc) && retValue_acc <= 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(methAndRunningLastTime == 0)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && 2 <= waterLevel) && tmp == 1)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && methAndRunningLastTime == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && \result == tmp) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && tmp == 1) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && retValue_acc == \result) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((methAndRunningLastTime == 0 && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0 && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || ((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(\old(methAndRunningLastTime) == 0)) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || \old(waterLevel) == waterLevel) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) && ((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && tmp == methaneLevelCritical) && !(0 == systemActive)) || ((((methAndRunningLastTime == 0 && tmp == 0) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && tmp == methaneLevelCritical)) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(head == 0)) || \old(waterLevel) < 2) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || \old(waterLevel) == waterLevel) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && pumpRunning == tmp___0) && waterLevel <= \old(waterLevel)) && tmp == methaneLevelCritical) || !(\old(methAndRunningLastTime) == 0)) || ((methAndRunningLastTime == 0 && waterLevel <= \old(waterLevel)) && tmp == methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || 2 <= waterLevel) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && !(0 == systemActive))) || 0 == systemActive) - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (!(\old(methAndRunningLastTime) == 0) || 0 == systemActive) && (\old(pumpRunning) == 0 || 0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-11-19 07:31:09,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8523863-6d6a-46c9-9288-10bef669b67c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE