./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product59.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_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/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_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/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_347afb66-9868-4868-879f-c0c6294364df/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 bed571a327ae9eee0b2e62daa6070780d20555ec322abcda9e725c1fa87edc9c --- 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 06:41:35,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:41:35,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:41:35,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:41:35,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:41:35,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:41:35,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:41:35,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:41:35,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:41:35,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:41:35,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:41:35,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:41:35,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:41:35,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:41:35,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:41:35,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:41:35,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:41:35,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:41:35,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:41:35,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:41:35,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:41:35,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:41:35,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:41:35,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:41:35,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:41:35,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:41:35,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:41:35,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:41:35,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:41:35,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:41:35,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:41:35,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:41:35,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:41:35,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:41:35,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:41:35,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:41:35,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:41:35,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:41:35,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:41:35,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:41:35,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:41:35,507 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 06:41:35,547 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:41:35,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:41:35,551 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:41:35,551 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:41:35,552 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:41:35,552 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:41:35,553 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:41:35,553 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:41:35,553 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:41:35,553 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:41:35,554 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:41:35,555 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:41:35,555 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:41:35,555 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:41:35,555 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:41:35,555 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:41:35,556 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:41:35,556 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:41:35,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:41:35,557 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:41:35,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:41:35,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:41:35,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:41:35,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:41:35,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:41:35,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:41:35,560 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:41:35,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:41:35,560 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:41:35,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:41:35,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:41:35,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:41:35,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:41:35,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:41:35,561 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:41:35,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:41:35,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:41:35,562 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:41:35,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:41:35,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:41:35,563 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:41:35,563 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_347afb66-9868-4868-879f-c0c6294364df/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bed571a327ae9eee0b2e62daa6070780d20555ec322abcda9e725c1fa87edc9c [2022-11-19 06:41:35,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:41:35,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:41:35,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:41:35,884 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:41:35,885 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:41:35,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c [2022-11-19 06:41:35,960 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/data/3b5c85375/6c6ae58c74fe400fa5444bd08df56861/FLAG57c90e239 [2022-11-19 06:41:36,493 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:41:36,494 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c [2022-11-19 06:41:36,505 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/data/3b5c85375/6c6ae58c74fe400fa5444bd08df56861/FLAG57c90e239 [2022-11-19 06:41:36,815 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/data/3b5c85375/6c6ae58c74fe400fa5444bd08df56861 [2022-11-19 06:41:36,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:41:36,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:41:36,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:41:36,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:41:36,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:41:36,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:41:36" (1/1) ... [2022-11-19 06:41:36,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91cc50a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:36, skipping insertion in model container [2022-11-19 06:41:36,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:41:36" (1/1) ... [2022-11-19 06:41:36,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:41:36,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:41:37,228 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_347afb66-9868-4868-879f-c0c6294364df/sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c[17002,17015] [2022-11-19 06:41:37,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:41:37,251 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:41:37,362 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_347afb66-9868-4868-879f-c0c6294364df/sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c[17002,17015] [2022-11-19 06:41:37,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:41:37,403 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:41:37,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:37 WrapperNode [2022-11-19 06:41:37,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:41:37,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:41:37,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:41:37,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:41:37,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:37" (1/1) ... [2022-11-19 06:41:37,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:37" (1/1) ... [2022-11-19 06:41:37,451 INFO L138 Inliner]: procedures = 59, calls = 105, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 232 [2022-11-19 06:41:37,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:41:37,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:41:37,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:41:37,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:41:37,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:37" (1/1) ... [2022-11-19 06:41:37,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:37" (1/1) ... [2022-11-19 06:41:37,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:37" (1/1) ... [2022-11-19 06:41:37,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:37" (1/1) ... [2022-11-19 06:41:37,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:37" (1/1) ... [2022-11-19 06:41:37,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:37" (1/1) ... [2022-11-19 06:41:37,478 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:37" (1/1) ... [2022-11-19 06:41:37,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:37" (1/1) ... [2022-11-19 06:41:37,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:41:37,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:41:37,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:41:37,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:41:37,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:37" (1/1) ... [2022-11-19 06:41:37,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:41:37,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:41:37,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:41:37,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:41:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:41:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-19 06:41:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-19 06:41:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-19 06:41:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-19 06:41:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-19 06:41:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-19 06:41:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-19 06:41:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-19 06:41:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-19 06:41:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-19 06:41:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-19 06:41:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-19 06:41:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-19 06:41:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-19 06:41:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:41:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-19 06:41:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-19 06:41:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:41:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:41:37,710 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:41:37,712 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:41:38,104 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:41:38,256 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:41:38,256 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 06:41:38,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:41:38 BoogieIcfgContainer [2022-11-19 06:41:38,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:41:38,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:41:38,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:41:38,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:41:38,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:41:36" (1/3) ... [2022-11-19 06:41:38,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d7839f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:41:38, skipping insertion in model container [2022-11-19 06:41:38,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:37" (2/3) ... [2022-11-19 06:41:38,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d7839f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:41:38, skipping insertion in model container [2022-11-19 06:41:38,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:41:38" (3/3) ... [2022-11-19 06:41:38,269 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product59.cil.c [2022-11-19 06:41:38,289 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:41:38,289 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:41:38,341 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:41:38,348 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;@5f5d62df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:41:38,348 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:41:38,353 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-19 06:41:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-19 06:41:38,363 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:38,364 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:41:38,364 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:41:38,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:38,370 INFO L85 PathProgramCache]: Analyzing trace with hash 113400434, now seen corresponding path program 1 times [2022-11-19 06:41:38,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:38,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059671451] [2022-11-19 06:41:38,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:38,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:38,634 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 06:41:38,635 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:38,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059671451] [2022-11-19 06:41:38,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059671451] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:38,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:38,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:41:38,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750468635] [2022-11-19 06:41:38,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:38,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 06:41:38,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:38,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 06:41:38,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:41:38,694 INFO L87 Difference]: Start difference. First operand has 66 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 06:41:38,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:38,766 INFO L93 Difference]: Finished difference Result 130 states and 179 transitions. [2022-11-19 06:41:38,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 06:41:38,769 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-19 06:41:38,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:38,778 INFO L225 Difference]: With dead ends: 130 [2022-11-19 06:41:38,779 INFO L226 Difference]: Without dead ends: 61 [2022-11-19 06:41:38,782 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 06:41:38,786 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:38,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 06:41:38,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-19 06:41:38,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-19 06:41:38,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 39 states have (on average 1.358974358974359) internal successors, (53), 47 states have internal predecessors, (53), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 06:41:38,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2022-11-19 06:41:38,832 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 21 [2022-11-19 06:41:38,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:38,833 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2022-11-19 06:41:38,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 06:41:38,834 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2022-11-19 06:41:38,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 06:41:38,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:38,836 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:41:38,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:41:38,837 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:41:38,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:38,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1004986017, now seen corresponding path program 1 times [2022-11-19 06:41:38,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:38,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055189258] [2022-11-19 06:41:38,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:38,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:38,984 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 06:41:38,984 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:38,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055189258] [2022-11-19 06:41:38,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055189258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:38,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:38,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:41:38,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034193040] [2022-11-19 06:41:38,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:38,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:41:38,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:38,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:41:38,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:41:38,996 INFO L87 Difference]: Start difference. First operand 61 states and 80 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 06:41:39,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:39,070 INFO L93 Difference]: Finished difference Result 94 states and 122 transitions. [2022-11-19 06:41:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:41:39,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-11-19 06:41:39,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:39,076 INFO L225 Difference]: With dead ends: 94 [2022-11-19 06:41:39,076 INFO L226 Difference]: Without dead ends: 53 [2022-11-19 06:41:39,077 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 06:41:39,078 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 14 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:39,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 93 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:41:39,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-19 06:41:39,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-19 06:41:39,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 42 states have internal predecessors, (47), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-19 06:41:39,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 69 transitions. [2022-11-19 06:41:39,101 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 69 transitions. Word has length 22 [2022-11-19 06:41:39,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:39,102 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 69 transitions. [2022-11-19 06:41:39,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 06:41:39,102 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2022-11-19 06:41:39,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-19 06:41:39,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:39,104 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:41:39,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:41:39,104 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:41:39,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:39,105 INFO L85 PathProgramCache]: Analyzing trace with hash 724006105, now seen corresponding path program 1 times [2022-11-19 06:41:39,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:39,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816545408] [2022-11-19 06:41:39,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:39,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:39,229 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 06:41:39,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:39,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816545408] [2022-11-19 06:41:39,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816545408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:39,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:39,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:41:39,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369206868] [2022-11-19 06:41:39,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:39,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:41:39,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:39,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:41:39,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:41:39,232 INFO L87 Difference]: Start difference. First operand 53 states and 69 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:41:39,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:39,321 INFO L93 Difference]: Finished difference Result 155 states and 204 transitions. [2022-11-19 06:41:39,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:41:39,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2022-11-19 06:41:39,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:39,324 INFO L225 Difference]: With dead ends: 155 [2022-11-19 06:41:39,324 INFO L226 Difference]: Without dead ends: 104 [2022-11-19 06:41:39,325 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 06:41:39,327 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 54 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:39,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 127 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:41:39,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-19 06:41:39,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2022-11-19 06:41:39,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 64 states have (on average 1.390625) internal successors, (89), 79 states have internal predecessors, (89), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-19 06:41:39,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 133 transitions. [2022-11-19 06:41:39,350 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 133 transitions. Word has length 25 [2022-11-19 06:41:39,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:39,350 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 133 transitions. [2022-11-19 06:41:39,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:41:39,351 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 133 transitions. [2022-11-19 06:41:39,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-19 06:41:39,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:39,353 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:41:39,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:41:39,353 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:41:39,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:39,354 INFO L85 PathProgramCache]: Analyzing trace with hash -2048165769, now seen corresponding path program 1 times [2022-11-19 06:41:39,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:39,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130111587] [2022-11-19 06:41:39,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:39,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:39,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 06:41:39,518 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:39,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130111587] [2022-11-19 06:41:39,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130111587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:39,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:39,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:41:39,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596931561] [2022-11-19 06:41:39,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:39,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:41:39,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:39,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:41:39,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:41:39,520 INFO L87 Difference]: Start difference. First operand 101 states and 133 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 06:41:39,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:39,729 INFO L93 Difference]: Finished difference Result 282 states and 381 transitions. [2022-11-19 06:41:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 06:41:39,730 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-11-19 06:41:39,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:39,733 INFO L225 Difference]: With dead ends: 282 [2022-11-19 06:41:39,733 INFO L226 Difference]: Without dead ends: 183 [2022-11-19 06:41:39,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:41:39,736 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 35 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:39,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 284 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:41:39,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-19 06:41:39,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 174. [2022-11-19 06:41:39,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 115 states have (on average 1.3130434782608695) internal successors, (151), 130 states have internal predecessors, (151), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (40), 29 states have call predecessors, (40), 32 states have call successors, (40) [2022-11-19 06:41:39,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 223 transitions. [2022-11-19 06:41:39,809 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 223 transitions. Word has length 28 [2022-11-19 06:41:39,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:39,810 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 223 transitions. [2022-11-19 06:41:39,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 06:41:39,811 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 223 transitions. [2022-11-19 06:41:39,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-19 06:41:39,815 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:39,815 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] [2022-11-19 06:41:39,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:41:39,816 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:41:39,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:39,816 INFO L85 PathProgramCache]: Analyzing trace with hash 230522554, now seen corresponding path program 1 times [2022-11-19 06:41:39,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:39,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679761389] [2022-11-19 06:41:39,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:39,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:40,226 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 06:41:40,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:40,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679761389] [2022-11-19 06:41:40,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679761389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:40,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:40,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:41:40,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659032463] [2022-11-19 06:41:40,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:40,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:41:40,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:40,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:41:40,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:41:40,229 INFO L87 Difference]: Start difference. First operand 174 states and 223 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 06:41:40,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:40,424 INFO L93 Difference]: Finished difference Result 528 states and 678 transitions. [2022-11-19 06:41:40,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:41:40,425 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 33 [2022-11-19 06:41:40,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:40,428 INFO L225 Difference]: With dead ends: 528 [2022-11-19 06:41:40,428 INFO L226 Difference]: Without dead ends: 356 [2022-11-19 06:41:40,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-19 06:41:40,431 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 116 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:40,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 239 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:41:40,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2022-11-19 06:41:40,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 346. [2022-11-19 06:41:40,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 229 states have (on average 1.296943231441048) internal successors, (297), 255 states have internal predecessors, (297), 63 states have call successors, (63), 53 states have call predecessors, (63), 53 states have return successors, (81), 56 states have call predecessors, (81), 63 states have call successors, (81) [2022-11-19 06:41:40,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 441 transitions. [2022-11-19 06:41:40,481 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 441 transitions. Word has length 33 [2022-11-19 06:41:40,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:40,481 INFO L495 AbstractCegarLoop]: Abstraction has 346 states and 441 transitions. [2022-11-19 06:41:40,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 06:41:40,482 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 441 transitions. [2022-11-19 06:41:40,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-19 06:41:40,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:40,484 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] [2022-11-19 06:41:40,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:41:40,484 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:41:40,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:40,485 INFO L85 PathProgramCache]: Analyzing trace with hash 175155632, now seen corresponding path program 1 times [2022-11-19 06:41:40,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:40,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394029416] [2022-11-19 06:41:40,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:40,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:40,883 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 06:41:40,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:40,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394029416] [2022-11-19 06:41:40,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394029416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:40,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:40,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:41:40,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733557552] [2022-11-19 06:41:40,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:40,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 06:41:40,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:40,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 06:41:40,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:41:40,889 INFO L87 Difference]: Start difference. First operand 346 states and 441 transitions. Second operand has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 06:41:41,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:41,470 INFO L93 Difference]: Finished difference Result 820 states and 1071 transitions. [2022-11-19 06:41:41,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-19 06:41:41,471 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 36 [2022-11-19 06:41:41,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:41,483 INFO L225 Difference]: With dead ends: 820 [2022-11-19 06:41:41,483 INFO L226 Difference]: Without dead ends: 578 [2022-11-19 06:41:41,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-11-19 06:41:41,495 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 237 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:41,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 270 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:41:41,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2022-11-19 06:41:41,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 514. [2022-11-19 06:41:41,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 346 states have (on average 1.2919075144508672) internal successors, (447), 384 states have internal predecessors, (447), 90 states have call successors, (90), 68 states have call predecessors, (90), 77 states have return successors, (121), 87 states have call predecessors, (121), 90 states have call successors, (121) [2022-11-19 06:41:41,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 658 transitions. [2022-11-19 06:41:41,580 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 658 transitions. Word has length 36 [2022-11-19 06:41:41,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:41,580 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 658 transitions. [2022-11-19 06:41:41,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 06:41:41,581 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 658 transitions. [2022-11-19 06:41:41,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-19 06:41:41,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:41,584 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-19 06:41:41,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 06:41:41,585 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:41:41,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:41,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1058496192, now seen corresponding path program 1 times [2022-11-19 06:41:41,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:41,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665977198] [2022-11-19 06:41:41,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:41,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:41,635 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-19 06:41:41,635 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:41,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665977198] [2022-11-19 06:41:41,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665977198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:41,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:41,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:41:41,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959941976] [2022-11-19 06:41:41,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:41,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:41:41,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:41,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:41:41,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:41:41,638 INFO L87 Difference]: Start difference. First operand 514 states and 658 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-19 06:41:41,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:41,789 INFO L93 Difference]: Finished difference Result 620 states and 792 transitions. [2022-11-19 06:41:41,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:41:41,790 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 57 [2022-11-19 06:41:41,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:41,792 INFO L225 Difference]: With dead ends: 620 [2022-11-19 06:41:41,792 INFO L226 Difference]: Without dead ends: 247 [2022-11-19 06:41:41,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:41:41,795 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 94 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:41,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 128 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:41:41,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-11-19 06:41:41,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2022-11-19 06:41:41,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 167 states have (on average 1.2395209580838322) internal successors, (207), 184 states have internal predecessors, (207), 42 states have call successors, (42), 32 states have call predecessors, (42), 37 states have return successors, (57), 42 states have call predecessors, (57), 42 states have call successors, (57) [2022-11-19 06:41:41,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 306 transitions. [2022-11-19 06:41:41,854 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 306 transitions. Word has length 57 [2022-11-19 06:41:41,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:41,854 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 306 transitions. [2022-11-19 06:41:41,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-19 06:41:41,854 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 306 transitions. [2022-11-19 06:41:41,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-19 06:41:41,859 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:41,859 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-19 06:41:41,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 06:41:41,860 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:41:41,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:41,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1532462417, now seen corresponding path program 1 times [2022-11-19 06:41:41,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:41,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88222439] [2022-11-19 06:41:41,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:41,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:42,444 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-19 06:41:42,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:42,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88222439] [2022-11-19 06:41:42,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88222439] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:41:42,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585407756] [2022-11-19 06:41:42,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:42,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:41:42,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:41:42,456 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:41:42,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:41:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:42,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-19 06:41:42,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:41:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:41:42,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:41:43,134 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-19 06:41:43,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585407756] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:41:43,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1236202045] [2022-11-19 06:41:43,154 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-19 06:41:43,154 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:41:43,158 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:41:43,163 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:41:43,164 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:41:48,739 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 52 for LOIs [2022-11-19 06:41:48,751 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 52 for LOIs [2022-11-19 06:41:49,152 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 45 for LOIs [2022-11-19 06:41:49,159 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 28 for LOIs [2022-11-19 06:41:49,194 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:41:53,549 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6786#(and (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| |timeShift_getWaterLevel_#res#1|) (= ~methaneLevelCritical~0 0) (= |timeShift_getWaterLevel_~retValue_acc~1#1| ~waterLevel~0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (= |old(~pumpRunning~0)| 0) (= |timeShift_getWaterLevel_~retValue_acc~1#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2)) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 2 |timeShift_getWaterLevel_#res#1|) (= ~head~0.base 0) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1|) (<= |timeShift_getWaterLevel_~retValue_acc~1#1| 2147483647) (= ~pumpRunning~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (= |old(~switchedOnBeforeTS~0)| 0))' at error location [2022-11-19 06:41:53,549 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 06:41:53,549 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:41:53,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 14 [2022-11-19 06:41:53,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101049105] [2022-11-19 06:41:53,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:41:53,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-19 06:41:53,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:53,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-19 06:41:53,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1358, Unknown=0, NotChecked=0, Total=1560 [2022-11-19 06:41:53,562 INFO L87 Difference]: Start difference. First operand 247 states and 306 transitions. Second operand has 14 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 7 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (14), 6 states have call predecessors, (14), 7 states have call successors, (14) [2022-11-19 06:41:55,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:55,195 INFO L93 Difference]: Finished difference Result 708 states and 906 transitions. [2022-11-19 06:41:55,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-19 06:41:55,196 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 7 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (14), 6 states have call predecessors, (14), 7 states have call successors, (14) Word has length 62 [2022-11-19 06:41:55,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:55,201 INFO L225 Difference]: With dead ends: 708 [2022-11-19 06:41:55,201 INFO L226 Difference]: Without dead ends: 463 [2022-11-19 06:41:55,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 167 SyntacticMatches, 5 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1428 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=562, Invalid=3470, Unknown=0, NotChecked=0, Total=4032 [2022-11-19 06:41:55,206 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 505 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 1033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 325 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:55,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 369 Invalid, 1033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [325 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 06:41:55,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2022-11-19 06:41:55,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 408. [2022-11-19 06:41:55,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 276 states have (on average 1.2065217391304348) internal successors, (333), 307 states have internal predecessors, (333), 65 states have call successors, (65), 51 states have call predecessors, (65), 66 states have return successors, (108), 68 states have call predecessors, (108), 65 states have call successors, (108) [2022-11-19 06:41:55,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 506 transitions. [2022-11-19 06:41:55,258 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 506 transitions. Word has length 62 [2022-11-19 06:41:55,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:55,258 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 506 transitions. [2022-11-19 06:41:55,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 7 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (14), 6 states have call predecessors, (14), 7 states have call successors, (14) [2022-11-19 06:41:55,259 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 506 transitions. [2022-11-19 06:41:55,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-19 06:41:55,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:55,260 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-19 06:41:55,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 06:41:55,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:41:55,468 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:41:55,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:55,469 INFO L85 PathProgramCache]: Analyzing trace with hash 2014836197, now seen corresponding path program 1 times [2022-11-19 06:41:55,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:55,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928283219] [2022-11-19 06:41:55,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:55,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 06:41:55,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:55,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928283219] [2022-11-19 06:41:55,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928283219] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:41:55,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824753995] [2022-11-19 06:41:55,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:55,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:41:55,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:41:55,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:41:55,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 06:41:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:55,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-19 06:41:55,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:41:55,886 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-19 06:41:55,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:41:55,971 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-19 06:41:55,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824753995] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:41:55,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1678816397] [2022-11-19 06:41:55,974 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2022-11-19 06:41:55,975 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:41:55,975 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:41:55,975 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:41:55,975 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:41:59,511 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 50 for LOIs [2022-11-19 06:41:59,520 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 34 for LOIs [2022-11-19 06:41:59,874 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 53 for LOIs [2022-11-19 06:41:59,882 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 72 for LOIs [2022-11-19 06:42:00,193 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 55 for LOIs [2022-11-19 06:42:00,202 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:42:05,889 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8967#(and (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| |timeShift_getWaterLevel_#res#1|) (<= ~cleanupTimeShifts~0 4) (<= ~head~0.offset 0) (<= 0 |#NULL.base|) (<= 0 ~head~0.offset) (= |timeShift_getWaterLevel_~retValue_acc~1#1| ~waterLevel~0) (<= 0 (+ 2147483648 |old(~pumpRunning~0)|)) (<= 1 ~systemActive~0) (<= |old(~switchedOnBeforeTS~0)| 2147483647) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 2147483647) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 0)) (<= |old(~pumpRunning~0)| 2147483647) (<= |#NULL.offset| 0) (<= 0 (+ |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 2147483648)) (= |timeShift_getWaterLevel_~retValue_acc~1#1| |timeShift_getWaterLevel_#res#1|) (<= 4 ~cleanupTimeShifts~0) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2)) (<= ~methaneLevelCritical~0 0) (<= 0 ~head~0.base) (<= 0 (+ |old(~switchedOnBeforeTS~0)| 2147483648)) (<= |#NULL.base| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 (+ |timeShift_getWaterLevel_~retValue_acc~1#1| 2147483648)) (<= ~head~0.base 0) (<= 0 |#NULL.offset|) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1|) (<= |timeShift_getWaterLevel_~retValue_acc~1#1| 2147483647) (<= ~systemActive~0 1))' at error location [2022-11-19 06:42:05,889 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 06:42:05,889 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:42:05,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 14 [2022-11-19 06:42:05,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157672232] [2022-11-19 06:42:05,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:42:05,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-19 06:42:05,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:42:05,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-19 06:42:05,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=1805, Unknown=0, NotChecked=0, Total=2070 [2022-11-19 06:42:05,892 INFO L87 Difference]: Start difference. First operand 408 states and 506 transitions. Second operand has 14 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 5 states have call successors, (14), 3 states have call predecessors, (14), 6 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) [2022-11-19 06:42:06,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:42:06,929 INFO L93 Difference]: Finished difference Result 805 states and 1020 transitions. [2022-11-19 06:42:06,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-19 06:42:06,929 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 5 states have call successors, (14), 3 states have call predecessors, (14), 6 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) Word has length 65 [2022-11-19 06:42:06,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:42:06,936 INFO L225 Difference]: With dead ends: 805 [2022-11-19 06:42:06,936 INFO L226 Difference]: Without dead ends: 497 [2022-11-19 06:42:06,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1627 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=594, Invalid=4236, Unknown=0, NotChecked=0, Total=4830 [2022-11-19 06:42:06,942 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 342 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:42:06,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 474 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:42:06,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2022-11-19 06:42:06,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 462. [2022-11-19 06:42:06,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 310 states have (on average 1.1838709677419355) internal successors, (367), 345 states have internal predecessors, (367), 74 states have call successors, (74), 63 states have call predecessors, (74), 77 states have return successors, (119), 77 states have call predecessors, (119), 74 states have call successors, (119) [2022-11-19 06:42:06,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 560 transitions. [2022-11-19 06:42:06,995 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 560 transitions. Word has length 65 [2022-11-19 06:42:06,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:42:06,996 INFO L495 AbstractCegarLoop]: Abstraction has 462 states and 560 transitions. [2022-11-19 06:42:06,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 5 states have call successors, (14), 3 states have call predecessors, (14), 6 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) [2022-11-19 06:42:06,996 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 560 transitions. [2022-11-19 06:42:07,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-19 06:42:07,000 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:42:07,000 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-19 06:42:07,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:42:07,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:42:07,206 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:42:07,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:42:07,207 INFO L85 PathProgramCache]: Analyzing trace with hash -748666130, now seen corresponding path program 1 times [2022-11-19 06:42:07,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:42:07,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894553397] [2022-11-19 06:42:07,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:42:07,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:42:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:42:08,204 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-19 06:42:08,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:42:08,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894553397] [2022-11-19 06:42:08,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894553397] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:42:08,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431032255] [2022-11-19 06:42:08,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:42:08,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:42:08,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:42:08,206 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:42:08,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 06:42:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:42:08,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-19 06:42:08,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:42:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 23 proven. 54 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:42:08,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:42:09,426 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 52 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-19 06:42:09,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431032255] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:42:09,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1270886375] [2022-11-19 06:42:09,429 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-19 06:42:09,429 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:42:09,432 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:42:09,432 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:42:09,432 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:42:12,399 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 144 for LOIs [2022-11-19 06:42:12,422 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 36 for LOIs [2022-11-19 06:42:12,868 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 29 for LOIs [2022-11-19 06:42:12,870 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 28 for LOIs [2022-11-19 06:42:12,902 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 35 for LOIs [2022-11-19 06:42:12,905 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:42:19,641 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11551#(and (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| |timeShift_getWaterLevel_#res#1|) (= ~methaneLevelCritical~0 0) (= |timeShift_getWaterLevel_~retValue_acc~1#1| ~waterLevel~0) (= ~head~0.offset 0) (<= |old(~switchedOnBeforeTS~0)| 2147483647) (= 1 ~systemActive~0) (= |old(~pumpRunning~0)| 0) (= |timeShift_getWaterLevel_~retValue_acc~1#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2)) (<= 0 ~head~0.base) (<= 0 (+ |old(~switchedOnBeforeTS~0)| 2147483648)) (<= 0 (+ |timeShift_getWaterLevel_~retValue_acc~1#1| 2147483648)) (<= ~head~0.base 0) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1|) (<= |timeShift_getWaterLevel_~retValue_acc~1#1| 2147483647) (= ~pumpRunning~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-19 06:42:19,641 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 06:42:19,644 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:42:19,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 13, 11] total 33 [2022-11-19 06:42:19,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831476794] [2022-11-19 06:42:19,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:42:19,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-19 06:42:19,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:42:19,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-19 06:42:19,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=442, Invalid=3718, Unknown=0, NotChecked=0, Total=4160 [2022-11-19 06:42:19,648 INFO L87 Difference]: Start difference. First operand 462 states and 560 transitions. Second operand has 33 states, 31 states have (on average 5.161290322580645) internal successors, (160), 32 states have internal predecessors, (160), 18 states have call successors, (32), 9 states have call predecessors, (32), 13 states have return successors, (30), 16 states have call predecessors, (30), 17 states have call successors, (30) [2022-11-19 06:42:24,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:42:24,163 INFO L93 Difference]: Finished difference Result 1033 states and 1298 transitions. [2022-11-19 06:42:24,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-11-19 06:42:24,164 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 5.161290322580645) internal successors, (160), 32 states have internal predecessors, (160), 18 states have call successors, (32), 9 states have call predecessors, (32), 13 states have return successors, (30), 16 states have call predecessors, (30), 17 states have call successors, (30) Word has length 91 [2022-11-19 06:42:24,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:42:24,165 INFO L225 Difference]: With dead ends: 1033 [2022-11-19 06:42:24,165 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 06:42:24,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 260 SyntacticMatches, 4 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6321 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=2032, Invalid=14224, Unknown=0, NotChecked=0, Total=16256 [2022-11-19 06:42:24,171 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 1367 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 1883 mSolverCounterSat, 924 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1368 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 2807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 924 IncrementalHoareTripleChecker+Valid, 1883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:42:24,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1368 Valid, 878 Invalid, 2807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [924 Valid, 1883 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-19 06:42:24,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 06:42:24,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 06:42:24,172 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 06:42:24,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 06:42:24,173 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2022-11-19 06:42:24,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:42:24,173 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 06:42:24,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 5.161290322580645) internal successors, (160), 32 states have internal predecessors, (160), 18 states have call successors, (32), 9 states have call predecessors, (32), 13 states have return successors, (30), 16 states have call predecessors, (30), 17 states have call successors, (30) [2022-11-19 06:42:24,174 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 06:42:24,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 06:42:24,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 06:42:24,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-19 06:42:24,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-19 06:42:24,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 06:42:31,822 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 352 359) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~switchedOnBeforeTS~0 0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2022-11-19 06:42:31,823 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2022-11-19 06:42:31,823 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 267 273) no Hoare annotation was computed. [2022-11-19 06:42:31,823 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 267 273) the Hoare annotation is: true [2022-11-19 06:42:31,823 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 84 95) the Hoare annotation is: true [2022-11-19 06:42:31,823 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2022-11-19 06:42:31,824 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 895 924) no Hoare annotation was computed. [2022-11-19 06:42:31,824 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 895 924) the Hoare annotation is: true [2022-11-19 06:42:31,824 INFO L902 garLoopResultBuilder]: At program point L920(lines 895 924) the Hoare annotation is: true [2022-11-19 06:42:31,824 INFO L899 garLoopResultBuilder]: For program point L916(line 916) no Hoare annotation was computed. [2022-11-19 06:42:31,824 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 913) no Hoare annotation was computed. [2022-11-19 06:42:31,824 INFO L902 garLoopResultBuilder]: At program point L909-1(lines 909 913) the Hoare annotation is: true [2022-11-19 06:42:31,825 INFO L902 garLoopResultBuilder]: At program point L905-2(lines 905 919) the Hoare annotation is: true [2022-11-19 06:42:31,825 INFO L902 garLoopResultBuilder]: At program point L901(line 901) the Hoare annotation is: true [2022-11-19 06:42:31,825 INFO L899 garLoopResultBuilder]: For program point L901-1(line 901) no Hoare annotation was computed. [2022-11-19 06:42:31,825 INFO L895 garLoopResultBuilder]: At program point L320(line 320) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= 0 ~systemActive~0))) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse1 (= |old(~switchedOnBeforeTS~0)| 0)))) [2022-11-19 06:42:31,826 INFO L895 garLoopResultBuilder]: At program point L320-1(lines 301 325) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse15 (+ ~waterLevel~0 1))) (let ((.cse14 (not (= ~switchedOnBeforeTS~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (= |old(~waterLevel~0)| .cse15)) (.cse17 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse18 (or .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)))) (let ((.cse6 (and .cse8 .cse16 .cse17 .cse5 .cse18)) (.cse7 (and .cse14 .cse3 .cse17 (= ~waterLevel~0 1) .cse18)) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse11 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not .cse17)) (.cse12 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5)) (or .cse2 .cse6 .cse7 (and .cse4 (or .cse8 (= ~pumpRunning~0 1))) .cse9 .cse10) (or .cse11 .cse2 .cse6 .cse7 .cse9 .cse10 .cse12) (let ((.cse13 (or (and .cse16 (< 0 |old(~waterLevel~0)|)) .cse4))) (or .cse11 .cse0 (and .cse8 (<= ~waterLevel~0 0) .cse13 .cse5) .cse2 (and .cse14 .cse3 .cse13 (or (<= |old(~waterLevel~0)| 0) (<= .cse15 |old(~waterLevel~0)|))) .cse12)) (or .cse1 (not (= 0 ~systemActive~0))))))) [2022-11-19 06:42:31,829 INFO L895 garLoopResultBuilder]: At program point L254-1(lines 254 260) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse17 (+ ~waterLevel~0 1))) (let ((.cse16 (not (= ~switchedOnBeforeTS~0 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~waterLevel~0 1)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse18 (= |old(~waterLevel~0)| .cse17)) (.cse19 (= 1 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse20 (or .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)))) (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse8 (and .cse10 .cse18 .cse19 .cse7 .cse20)) (.cse9 (and .cse16 .cse1 .cse19 .cse3 .cse20)) (.cse11 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (not (<= 2 |old(~waterLevel~0)|))) (.cse13 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not .cse19)) (.cse14 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse3 .cse2) (or .cse4 .cse0 .cse5 (and .cse1 .cse6 .cse7)) (or .cse5 .cse8 .cse9 (and .cse6 (or .cse10 (= ~pumpRunning~0 1))) .cse11 .cse12) (or .cse0 .cse6 .cse11 .cse2 .cse12) (or .cse13 .cse5 .cse8 .cse9 .cse11 .cse12 .cse14) (let ((.cse15 (or (and .cse18 (< 0 |old(~waterLevel~0)|)) .cse6))) (or .cse13 .cse4 (and .cse10 (<= ~waterLevel~0 0) .cse15 .cse7) .cse5 (and .cse16 .cse1 .cse15 (or (<= |old(~waterLevel~0)| 0) (<= .cse17 |old(~waterLevel~0)|))) .cse14)))))) [2022-11-19 06:42:31,830 INFO L895 garLoopResultBuilder]: At program point L874(line 874) the Hoare annotation is: (let ((.cse10 (+ ~waterLevel~0 1))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (not (= ~switchedOnBeforeTS~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse12 (= |old(~waterLevel~0)| .cse10)) (.cse4 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse7 (not (= 0 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse13 (not (<= |old(~waterLevel~0)| 2))) (.cse14 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6)) (or .cse1 .cse3 .cse7) (let ((.cse9 (or (and .cse12 (< 0 |old(~waterLevel~0)|)) .cse5))) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse0 (and .cse8 .cse3 .cse4 .cse9 (or (<= |old(~waterLevel~0)| 0) (<= .cse10 |old(~waterLevel~0)|))) .cse2 (and .cse11 (<= ~waterLevel~0 0) .cse4 .cse9 .cse6) (= |old(~switchedOnBeforeTS~0)| 0))) (or .cse2 (and .cse11 .cse12 .cse4 .cse6) (and .cse8 .cse3 .cse12 .cse4) .cse13 .cse14) (or .cse1 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1) .cse7) (or .cse1 .cse13 .cse7 .cse14) (or .cse1 .cse2 .cse13 .cse14)))) [2022-11-19 06:42:31,830 INFO L899 garLoopResultBuilder]: For program point L874-1(line 874) no Hoare annotation was computed. [2022-11-19 06:42:31,830 INFO L899 garLoopResultBuilder]: For program point L247-2(lines 243 265) no Hoare annotation was computed. [2022-11-19 06:42:31,830 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 317) no Hoare annotation was computed. [2022-11-19 06:42:31,831 INFO L895 garLoopResultBuilder]: At program point L305(lines 305 322) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5) (or .cse1 (and .cse6 (or .cse2 (and (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0))) .cse4) .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse6 (<= ~waterLevel~0 0) (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) .cse3) .cse4) .cse1 (= |old(~switchedOnBeforeTS~0)| 0)) (or .cse0 (not (= 0 ~systemActive~0))))) [2022-11-19 06:42:31,831 INFO L895 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (not (= 1 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 (and .cse4 (or .cse1 (= ~waterLevel~0 1)))) (or .cse5 (and .cse6 .cse1) .cse7 .cse3) (or .cse0 .cse5 .cse7 (and (not (= ~switchedOnBeforeTS~0 0)) .cse4 .cse1) (= |old(~switchedOnBeforeTS~0)| 0)) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse5 (and .cse6 .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7))) [2022-11-19 06:42:31,831 INFO L895 garLoopResultBuilder]: At program point L859-1(line 859) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__2_#t~ret50#1|)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse9 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10 .cse6)) (.cse4 (not (= 0 ~systemActive~0))) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse3 .cse4 (and .cse5 (or .cse6 (= ~waterLevel~0 1)))) (or .cse0 .cse1 .cse7 .cse2 .cse8) (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1 .cse9) (or .cse1 .cse9 .cse7 .cse8) (or .cse3 .cse6 .cse7 .cse4 .cse8) (or .cse0 .cse1 .cse7 .cse2 (= |old(~switchedOnBeforeTS~0)| 0)) (or .cse3 .cse1 .cse7 (and .cse5 .cse10 .cse6))))) [2022-11-19 06:42:31,831 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 886) no Hoare annotation was computed. [2022-11-19 06:42:31,831 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 889) no Hoare annotation was computed. [2022-11-19 06:42:31,832 INFO L895 garLoopResultBuilder]: At program point L872-1(lines 864 892) the Hoare annotation is: (let ((.cse15 (= 1 ~systemActive~0)) (.cse12 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse5 (< 0 |old(~waterLevel~0)|))) (let ((.cse16 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse14 (not (= ~switchedOnBeforeTS~0 0))) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse6 (and .cse12 .cse5)) (.cse4 (not .cse15)) (.cse1 (= ~pumpRunning~0 0)) (.cse13 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse9 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse19 (< 1 |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse17 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (not .cse5) .cse6 .cse7 .cse8) (or (and .cse9 .cse10 (or .cse11 (= ~pumpRunning~0 1))) .cse4 (and .cse11 .cse12 .cse9 .cse13) .cse7 (and .cse14 .cse1 .cse15 .cse9 .cse16) .cse17) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse16 .cse2) (let ((.cse18 (or .cse6 .cse10))) (or .cse3 (not (<= |old(~waterLevel~0)| 1)) .cse4 (and .cse14 .cse1 .cse15 .cse9 .cse18) (and .cse11 .cse9 .cse18 .cse13) .cse8)) (or .cse0 .cse4 (and .cse1 .cse15 .cse9 .cse10 .cse13) .cse7 (and .cse19 .cse9 .cse10)) (or .cse0 .cse7 (and .cse19 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2) .cse10) .cse2 .cse17)))) [2022-11-19 06:42:31,832 INFO L895 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse0 (and .cse1 (let ((.cse2 (< 0 |old(~waterLevel~0)|))) (or (and (not .cse2) (= |old(~waterLevel~0)| ~waterLevel~0)) (and .cse3 .cse2))) .cse4) .cse5) (or (and .cse1 .cse3 .cse4) .cse0 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse6 .cse0 .cse5) (or .cse6 (not (= 0 ~systemActive~0))))) [2022-11-19 06:42:31,832 INFO L895 garLoopResultBuilder]: At program point L311(line 311) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse0 (and .cse1 (let ((.cse2 (< 0 |old(~waterLevel~0)|))) (or (and (not .cse2) (= |old(~waterLevel~0)| ~waterLevel~0)) (and .cse3 .cse2))) .cse4) .cse5) (or (and .cse1 .cse3 .cse4) .cse0 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse6 .cse0 .cse5) (or .cse6 (not (= 0 ~systemActive~0))))) [2022-11-19 06:42:31,832 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 240 266) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (not (= 1 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 (and .cse4 (or .cse1 (= ~waterLevel~0 1)))) (or .cse5 (and .cse6 .cse1) .cse7 .cse3) (or .cse0 .cse5 .cse7 (and (not (= ~switchedOnBeforeTS~0 0)) .cse4 .cse1) (= |old(~switchedOnBeforeTS~0)| 0)) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse5 (and .cse6 .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7))) [2022-11-19 06:42:31,832 INFO L899 garLoopResultBuilder]: For program point L877(lines 877 883) no Hoare annotation was computed. [2022-11-19 06:42:31,833 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 240 266) no Hoare annotation was computed. [2022-11-19 06:42:31,833 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 840) no Hoare annotation was computed. [2022-11-19 06:42:31,833 INFO L895 garLoopResultBuilder]: At program point L840(line 840) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse2 .cse0 .cse1) (or .cse2 (not (= 0 ~systemActive~0))))) [2022-11-19 06:42:31,833 INFO L902 garLoopResultBuilder]: At program point L225(lines 164 229) the Hoare annotation is: true [2022-11-19 06:42:31,833 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 190) no Hoare annotation was computed. [2022-11-19 06:42:31,834 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 184 190) no Hoare annotation was computed. [2022-11-19 06:42:31,834 INFO L895 garLoopResultBuilder]: At program point L222(lines 173 223) the Hoare annotation is: false [2022-11-19 06:42:31,834 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-19 06:42:31,834 INFO L899 garLoopResultBuilder]: For program point L210(lines 210 216) no Hoare annotation was computed. [2022-11-19 06:42:31,834 INFO L895 garLoopResultBuilder]: At program point L210-2(lines 204 217) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1) (and (<= ~waterLevel~0 1) .cse0 .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse2 .cse1 (= 0 ~systemActive~0)) (and .cse2 .cse0 .cse1 (<= ~waterLevel~0 2)))) [2022-11-19 06:42:31,834 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 464) no Hoare annotation was computed. [2022-11-19 06:42:31,834 INFO L895 garLoopResultBuilder]: At program point L458-1(lines 458 464) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 06:42:31,834 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 200) no Hoare annotation was computed. [2022-11-19 06:42:31,834 INFO L899 garLoopResultBuilder]: For program point L194-1(lines 194 200) no Hoare annotation was computed. [2022-11-19 06:42:31,834 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 06:42:31,835 INFO L895 garLoopResultBuilder]: At program point L219(lines 174 221) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse2 .cse0 .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse3 .cse1 (= 0 ~systemActive~0)) (and .cse3 .cse2 .cse0 .cse1))) [2022-11-19 06:42:31,835 INFO L895 garLoopResultBuilder]: At program point L186(line 186) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse2 .cse0 .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse3 .cse1 (= 0 ~systemActive~0)) (and .cse3 .cse2 .cse0 .cse1))) [2022-11-19 06:42:31,835 INFO L895 garLoopResultBuilder]: At program point L980(lines 980 987) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2022-11-19 06:42:31,835 INFO L902 garLoopResultBuilder]: At program point L980-2(lines 980 987) the Hoare annotation is: true [2022-11-19 06:42:31,835 INFO L899 garLoopResultBuilder]: For program point L175(lines 174 221) no Hoare annotation was computed. [2022-11-19 06:42:31,835 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 217) no Hoare annotation was computed. [2022-11-19 06:42:31,835 INFO L895 garLoopResultBuilder]: At program point L460(line 460) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2022-11-19 06:42:31,835 INFO L895 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1) (and (<= ~waterLevel~0 1) .cse0 .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse2 .cse1 (= 0 ~systemActive~0)) (and .cse2 .cse0 .cse1 (<= ~waterLevel~0 2)))) [2022-11-19 06:42:31,836 INFO L895 garLoopResultBuilder]: At program point L289(line 289) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0) .cse2) (or .cse0 (and (or (<= 2 ~waterLevel~0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2))) [2022-11-19 06:42:31,837 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 275 299) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2022-11-19 06:42:31,837 INFO L895 garLoopResultBuilder]: At program point L283(lines 283 291) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0) .cse2) (or .cse0 (and (or (<= 2 ~waterLevel~0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2))) [2022-11-19 06:42:31,837 INFO L895 garLoopResultBuilder]: At program point L279(lines 279 296) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2022-11-19 06:42:31,838 INFO L895 garLoopResultBuilder]: At program point L294(line 294) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2))) [2022-11-19 06:42:31,838 INFO L899 garLoopResultBuilder]: For program point L294-1(lines 275 299) no Hoare annotation was computed. [2022-11-19 06:42:31,838 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 275 299) no Hoare annotation was computed. [2022-11-19 06:42:31,838 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2022-11-19 06:42:31,838 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 72 83) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2) (or .cse0 .cse3 .cse1 .cse2) (or .cse3 .cse2 (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) (or .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2))) [2022-11-19 06:42:31,838 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 371 379) no Hoare annotation was computed. [2022-11-19 06:42:31,838 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 371 379) the Hoare annotation is: true [2022-11-19 06:42:31,841 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:42:31,844 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 06:42:31,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:42:31 BoogieIcfgContainer [2022-11-19 06:42:31,880 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 06:42:31,881 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 06:42:31,881 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 06:42:31,881 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 06:42:31,882 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:41:38" (3/4) ... [2022-11-19 06:42:31,885 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 06:42:31,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-19 06:42:31,891 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-19 06:42:31,891 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-19 06:42:31,891 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-19 06:42:31,891 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-19 06:42:31,891 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-19 06:42:31,891 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-19 06:42:31,892 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-19 06:42:31,898 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-11-19 06:42:31,899 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-19 06:42:31,899 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 06:42:31,900 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 06:42:31,900 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 06:42:31,925 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || pumpRunning == switchedOnBeforeTS) && ((!(\old(pumpRunning) == 0) || !(0 == systemActive)) || (pumpRunning == 0 && (\old(waterLevel) == waterLevel || waterLevel == 1)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || pumpRunning == switchedOnBeforeTS) || !(2 <= \old(waterLevel)))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel))) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || !(2 <= \old(waterLevel)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || pumpRunning == switchedOnBeforeTS) || \old(switchedOnBeforeTS) == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel)) [2022-11-19 06:42:31,926 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || waterLevel == 1) || !(0 == systemActive))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS))) && (((((!(1 == systemActive) || ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel + 1) && 1 == systemActive) && pumpRunning == switchedOnBeforeTS) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || (\old(waterLevel) == waterLevel && (pumpRunning == \old(pumpRunning) || pumpRunning == 1))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel + 1) && 1 == systemActive) && pumpRunning == switchedOnBeforeTS) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || \old(switchedOnBeforeTS) == 0)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || (((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && (\old(waterLevel) <= 0 || waterLevel + 1 <= \old(waterLevel)))) || \old(switchedOnBeforeTS) == 0) [2022-11-19 06:42:31,926 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(0 == systemActive)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(0 < \old(waterLevel))) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0)) && (((((((tmp == waterLevel && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || pumpRunning == 1)) || !(1 == systemActive)) || (((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel + 1) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == waterLevel) && waterLevel == 1)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || waterLevel == 1) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == waterLevel) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel))) || (((pumpRunning == \old(pumpRunning) && tmp == waterLevel) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS)) || \old(switchedOnBeforeTS) == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == 0 && 1 == systemActive) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((1 < tmp && tmp == waterLevel) && \old(waterLevel) == waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || ((1 < tmp && tmp <= 2) && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) || !(2 <= \old(waterLevel))) [2022-11-19 06:42:31,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && (pumpRunning == 0 || (waterLevel <= 1 && 1 <= waterLevel))) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || \old(switchedOnBeforeTS) == 0)) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2022-11-19 06:42:31,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) && ((!(1 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2022-11-19 06:42:31,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) && (((((!(1 == systemActive) || ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel + 1) && 1 == systemActive) && pumpRunning == switchedOnBeforeTS) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || (\old(waterLevel) == waterLevel && (pumpRunning == \old(pumpRunning) || pumpRunning == 1))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel + 1) && 1 == systemActive) && pumpRunning == switchedOnBeforeTS) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || \old(switchedOnBeforeTS) == 0)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || (((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && (\old(waterLevel) <= 0 || waterLevel + 1 <= \old(waterLevel)))) || \old(switchedOnBeforeTS) == 0)) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2022-11-19 06:42:31,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(waterLevel <= 2)) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning)) [2022-11-19 06:42:31,928 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(waterLevel <= 2)) || switchedOnBeforeTS == 0) || !(switchedOnBeforeTS == \old(pumpRunning))) && (((!(1 == systemActive) || ((2 <= waterLevel || tmp == 0) && pumpRunning == switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(switchedOnBeforeTS == \old(pumpRunning))) [2022-11-19 06:42:31,970 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 06:42:31,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 06:42:31,972 INFO L158 Benchmark]: Toolchain (without parser) took 55152.02ms. Allocated memory was 115.3MB in the beginning and 478.2MB in the end (delta: 362.8MB). Free memory was 87.1MB in the beginning and 319.4MB in the end (delta: -232.4MB). Peak memory consumption was 131.1MB. Max. memory is 16.1GB. [2022-11-19 06:42:31,972 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:42:31,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.54ms. Allocated memory is still 115.3MB. Free memory was 86.8MB in the beginning and 83.0MB in the end (delta: 3.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 06:42:31,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.20ms. Allocated memory is still 115.3MB. Free memory was 83.0MB in the beginning and 80.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:42:31,973 INFO L158 Benchmark]: Boogie Preprocessor took 45.22ms. Allocated memory is still 115.3MB. Free memory was 80.7MB in the beginning and 79.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:42:31,973 INFO L158 Benchmark]: RCFGBuilder took 761.53ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 78.8MB in the beginning and 121.7MB in the end (delta: -43.0MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-11-19 06:42:31,974 INFO L158 Benchmark]: TraceAbstraction took 53618.60ms. Allocated memory was 151.0MB in the beginning and 478.2MB in the end (delta: 327.2MB). Free memory was 121.0MB in the beginning and 324.7MB in the end (delta: -203.7MB). Peak memory consumption was 288.5MB. Max. memory is 16.1GB. [2022-11-19 06:42:31,974 INFO L158 Benchmark]: Witness Printer took 89.82ms. Allocated memory is still 478.2MB. Free memory was 324.7MB in the beginning and 319.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 06:42:31,976 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.54ms. Allocated memory is still 115.3MB. Free memory was 86.8MB in the beginning and 83.0MB in the end (delta: 3.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.20ms. Allocated memory is still 115.3MB. Free memory was 83.0MB in the beginning and 80.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.22ms. Allocated memory is still 115.3MB. Free memory was 80.7MB in the beginning and 79.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 761.53ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 78.8MB in the beginning and 121.7MB in the end (delta: -43.0MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * TraceAbstraction took 53618.60ms. Allocated memory was 151.0MB in the beginning and 478.2MB in the end (delta: 327.2MB). Free memory was 121.0MB in the beginning and 324.7MB in the end (delta: -203.7MB). Peak memory consumption was 288.5MB. Max. memory is 16.1GB. * Witness Printer took 89.82ms. Allocated memory is still 478.2MB. Free memory was 324.7MB in the beginning and 319.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 840]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 53.5s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2788 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2764 mSDsluCounter, 2931 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2151 mSDsCounter, 1579 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3819 IncrementalHoareTripleChecker+Invalid, 5398 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1579 mSolverCounterUnsat, 780 mSDtfsCounter, 3819 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 916 GetRequests, 622 SyntacticMatches, 9 SemanticMatches, 285 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9411 ImplicationChecksByTransitivity, 21.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=514occurred in iteration=6, InterpolantAutomatonStates: 171, 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, 176 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 1545 PreInvPairs, 1819 NumberOfFragments, 2206 HoareAnnotationTreeSize, 1545 FomulaSimplifications, 6554 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 38 FomulaSimplificationsInter, 28403 FormulaSimplificationTreeSizeReductionInter, 6.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 658 NumberOfCodeBlocks, 658 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 860 ConstructedInterpolants, 0 QuantifiedInterpolants, 3260 SizeOfPredicates, 30 NumberOfNonLiveVariables, 1078 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 285/431 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(waterLevel <= 2)) || switchedOnBeforeTS == 0) || !(switchedOnBeforeTS == \old(pumpRunning))) && (((!(1 == systemActive) || ((2 <= waterLevel || tmp == 0) && pumpRunning == switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(switchedOnBeforeTS == \old(pumpRunning))) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) && (((((!(1 == systemActive) || ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel + 1) && 1 == systemActive) && pumpRunning == switchedOnBeforeTS) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || (\old(waterLevel) == waterLevel && (pumpRunning == \old(pumpRunning) || pumpRunning == 1))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel + 1) && 1 == systemActive) && pumpRunning == switchedOnBeforeTS) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || \old(switchedOnBeforeTS) == 0)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || (((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && (\old(waterLevel) <= 0 || waterLevel + 1 <= \old(waterLevel)))) || \old(switchedOnBeforeTS) == 0)) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: (((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || pumpRunning == switchedOnBeforeTS) && ((!(\old(pumpRunning) == 0) || !(0 == systemActive)) || (pumpRunning == 0 && (\old(waterLevel) == waterLevel || waterLevel == 1)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || pumpRunning == switchedOnBeforeTS) || !(2 <= \old(waterLevel)))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel))) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || !(2 <= \old(waterLevel)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || pumpRunning == switchedOnBeforeTS) || \old(switchedOnBeforeTS) == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && (pumpRunning == 0 || (waterLevel <= 1 && 1 <= waterLevel))) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || \old(switchedOnBeforeTS) == 0)) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || waterLevel == 1) || !(0 == systemActive))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS))) && (((((!(1 == systemActive) || ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel + 1) && 1 == systemActive) && pumpRunning == switchedOnBeforeTS) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || (\old(waterLevel) == waterLevel && (pumpRunning == \old(pumpRunning) || pumpRunning == 1))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel + 1) && 1 == systemActive) && pumpRunning == switchedOnBeforeTS) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || \old(switchedOnBeforeTS) == 0)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || (((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && (\old(waterLevel) <= 0 || waterLevel + 1 <= \old(waterLevel)))) || \old(switchedOnBeforeTS) == 0) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) && ((!(1 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(0 == systemActive)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(0 < \old(waterLevel))) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0)) && (((((((tmp == waterLevel && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || pumpRunning == 1)) || !(1 == systemActive)) || (((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel + 1) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == waterLevel) && waterLevel == 1)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || waterLevel == 1) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == waterLevel) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel))) || (((pumpRunning == \old(pumpRunning) && tmp == waterLevel) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS)) || \old(switchedOnBeforeTS) == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == 0 && 1 == systemActive) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((1 < tmp && tmp == waterLevel) && \old(waterLevel) == waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || ((1 < tmp && tmp <= 2) && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((((2 == waterLevel && 1 == systemActive) && splverifierCounter == 0) || (((waterLevel <= 1 && 1 == systemActive) && splverifierCounter == 0) && pumpRunning == switchedOnBeforeTS)) || ((pumpRunning == 0 && splverifierCounter == 0) && 0 == systemActive)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(waterLevel <= 2)) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning)) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-19 06:42:32,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347afb66-9868-4868-879f-c0c6294364df/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