./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7491e9e7e66695ce6d97d4c4c38cf37fc3e1ef2df09eb8fb958f4ec180b71f50 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:04:23,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:04:23,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:04:23,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:04:23,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:04:23,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:04:23,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:04:23,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:04:23,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:04:23,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:04:23,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:04:23,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:04:23,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:04:23,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:04:23,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:04:23,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:04:23,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:04:23,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:04:23,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:04:23,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:04:23,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:04:23,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:04:23,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:04:23,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:04:23,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:04:23,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:04:23,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:04:23,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:04:23,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:04:23,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:04:23,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:04:23,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:04:23,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:04:23,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:04:23,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:04:23,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:04:23,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:04:23,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:04:23,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:04:23,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:04:23,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:04:23,611 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 02:04:23,640 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:04:23,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:04:23,641 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:04:23,641 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:04:23,642 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:04:23,642 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:04:23,642 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:04:23,642 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:04:23,643 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:04:23,643 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:04:23,643 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:04:23,643 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:04:23,644 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:04:23,644 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:04:23,644 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:04:23,644 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:04:23,644 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:04:23,645 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:04:23,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:04:23,646 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:04:23,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:04:23,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:04:23,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:04:23,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:04:23,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:04:23,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:04:23,647 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:04:23,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:04:23,648 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:04:23,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:04:23,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:04:23,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:04:23,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:04:23,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:04:23,649 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:04:23,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:04:23,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:04:23,650 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:04:23,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:04:23,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:04:23,650 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:04:23,651 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_2c7232de-d099-49a5-b726-218b62b76e7c/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7491e9e7e66695ce6d97d4c4c38cf37fc3e1ef2df09eb8fb958f4ec180b71f50 [2022-11-03 02:04:23,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:04:24,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:04:24,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:04:24,017 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:04:24,018 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:04:24,019 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2022-11-03 02:04:24,104 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/bin/utaipan-7li7fVZpFI/data/d5ea73426/d9eaa73456e44f77948eeb83db1b0db9/FLAG34f53a10b [2022-11-03 02:04:24,659 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:04:24,660 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2022-11-03 02:04:24,671 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/bin/utaipan-7li7fVZpFI/data/d5ea73426/d9eaa73456e44f77948eeb83db1b0db9/FLAG34f53a10b [2022-11-03 02:04:24,944 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/bin/utaipan-7li7fVZpFI/data/d5ea73426/d9eaa73456e44f77948eeb83db1b0db9 [2022-11-03 02:04:24,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:04:24,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:04:24,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:04:24,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:04:24,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:04:24,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:04:24" (1/1) ... [2022-11-03 02:04:24,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644cbc5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:04:24, skipping insertion in model container [2022-11-03 02:04:24,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:04:24" (1/1) ... [2022-11-03 02:04:24,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:04:25,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:04:25,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c[2567,2580] [2022-11-03 02:04:25,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:04:25,385 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:04:25,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c[2567,2580] [2022-11-03 02:04:25,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:04:25,478 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:04:25,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:04:25 WrapperNode [2022-11-03 02:04:25,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:04:25,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:04:25,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:04:25,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:04:25,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:04:25" (1/1) ... [2022-11-03 02:04:25,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:04:25" (1/1) ... [2022-11-03 02:04:25,562 INFO L138 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 251 [2022-11-03 02:04:25,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:04:25,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:04:25,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:04:25,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:04:25,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:04:25" (1/1) ... [2022-11-03 02:04:25,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:04:25" (1/1) ... [2022-11-03 02:04:25,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:04:25" (1/1) ... [2022-11-03 02:04:25,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:04:25" (1/1) ... [2022-11-03 02:04:25,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:04:25" (1/1) ... [2022-11-03 02:04:25,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:04:25" (1/1) ... [2022-11-03 02:04:25,589 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:04:25" (1/1) ... [2022-11-03 02:04:25,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:04:25" (1/1) ... [2022-11-03 02:04:25,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:04:25,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:04:25,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:04:25,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:04:25,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:04:25" (1/1) ... [2022-11-03 02:04:25,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:04:25,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:04:25,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:04:25,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:04:25,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:04:25,713 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-03 02:04:25,714 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-03 02:04:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-03 02:04:25,714 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-03 02:04:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-03 02:04:25,715 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-03 02:04:25,715 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-03 02:04:25,715 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-03 02:04:25,715 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-03 02:04:25,715 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-03 02:04:25,715 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-03 02:04:25,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-03 02:04:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-03 02:04:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-03 02:04:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:04:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-03 02:04:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-03 02:04:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:04:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:04:25,846 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:04:25,849 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:04:26,368 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:04:26,513 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:04:26,514 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 02:04:26,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:04:26 BoogieIcfgContainer [2022-11-03 02:04:26,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:04:26,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:04:26,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:04:26,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:04:26,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:04:24" (1/3) ... [2022-11-03 02:04:26,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e7e7370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:04:26, skipping insertion in model container [2022-11-03 02:04:26,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:04:25" (2/3) ... [2022-11-03 02:04:26,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e7e7370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:04:26, skipping insertion in model container [2022-11-03 02:04:26,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:04:26" (3/3) ... [2022-11-03 02:04:26,535 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2022-11-03 02:04:26,557 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:04:26,558 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:04:26,641 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:04:26,659 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;@334e14cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:04:26,659 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:04:26,663 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 40 states have (on average 1.45) internal successors, (58), 49 states have internal predecessors, (58), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-03 02:04:26,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 02:04:26,679 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:04:26,680 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:04:26,681 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:04:26,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:04:26,687 INFO L85 PathProgramCache]: Analyzing trace with hash -26233949, now seen corresponding path program 1 times [2022-11-03 02:04:26,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:04:26,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190650882] [2022-11-03 02:04:26,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:26,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:04:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:27,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:04:27,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:04:27,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190650882] [2022-11-03 02:04:27,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190650882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:04:27,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:04:27,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:04:27,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625414118] [2022-11-03 02:04:27,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:04:27,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:04:27,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:04:27,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:04:27,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:04:27,044 INFO L87 Difference]: Start difference. First operand has 64 states, 40 states have (on average 1.45) internal successors, (58), 49 states have internal predecessors, (58), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:04:27,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:04:27,190 INFO L93 Difference]: Finished difference Result 126 states and 173 transitions. [2022-11-03 02:04:27,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:04:27,196 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-03 02:04:27,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:04:27,211 INFO L225 Difference]: With dead ends: 126 [2022-11-03 02:04:27,211 INFO L226 Difference]: Without dead ends: 59 [2022-11-03 02:04:27,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:04:27,226 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:04:27,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:04:27,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-03 02:04:27,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-03 02:04:27,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 45 states have internal predecessors, (50), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-03 02:04:27,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 77 transitions. [2022-11-03 02:04:27,275 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 77 transitions. Word has length 12 [2022-11-03 02:04:27,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:04:27,276 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 77 transitions. [2022-11-03 02:04:27,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:04:27,277 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2022-11-03 02:04:27,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 02:04:27,279 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:04:27,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:04:27,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:04:27,279 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:04:27,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:04:27,280 INFO L85 PathProgramCache]: Analyzing trace with hash -939366309, now seen corresponding path program 1 times [2022-11-03 02:04:27,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:04:27,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940612840] [2022-11-03 02:04:27,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:27,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:04:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:27,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:04:27,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:04:27,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940612840] [2022-11-03 02:04:27,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940612840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:04:27,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:04:27,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:04:27,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213919991] [2022-11-03 02:04:27,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:04:27,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:04:27,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:04:27,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:04:27,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:04:27,433 INFO L87 Difference]: Start difference. First operand 59 states and 77 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:04:27,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:04:27,486 INFO L93 Difference]: Finished difference Result 90 states and 116 transitions. [2022-11-03 02:04:27,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:04:27,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-03 02:04:27,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:04:27,489 INFO L225 Difference]: With dead ends: 90 [2022-11-03 02:04:27,489 INFO L226 Difference]: Without dead ends: 51 [2022-11-03 02:04:27,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:04:27,492 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 14 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:04:27,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 88 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:04:27,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-03 02:04:27,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-03 02:04:27,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 32 states have (on average 1.375) internal successors, (44), 40 states have internal predecessors, (44), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-03 02:04:27,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 66 transitions. [2022-11-03 02:04:27,503 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 66 transitions. Word has length 13 [2022-11-03 02:04:27,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:04:27,504 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 66 transitions. [2022-11-03 02:04:27,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:04:27,505 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2022-11-03 02:04:27,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 02:04:27,506 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:04:27,506 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:04:27,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:04:27,507 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:04:27,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:04:27,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1782771037, now seen corresponding path program 1 times [2022-11-03 02:04:27,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:04:27,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276483031] [2022-11-03 02:04:27,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:27,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:04:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:27,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:04:27,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:04:27,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276483031] [2022-11-03 02:04:27,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276483031] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:04:27,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:04:27,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:04:27,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207319221] [2022-11-03 02:04:27,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:04:27,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:04:27,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:04:27,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:04:27,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:04:27,684 INFO L87 Difference]: Start difference. First operand 51 states and 66 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:04:27,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:04:27,822 INFO L93 Difference]: Finished difference Result 129 states and 168 transitions. [2022-11-03 02:04:27,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:04:27,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-03 02:04:27,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:04:27,826 INFO L225 Difference]: With dead ends: 129 [2022-11-03 02:04:27,829 INFO L226 Difference]: Without dead ends: 80 [2022-11-03 02:04:27,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:04:27,834 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 89 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:04:27,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 119 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:04:27,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-03 02:04:27,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2022-11-03 02:04:27,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 50 states have (on average 1.38) internal successors, (69), 61 states have internal predecessors, (69), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (16), 10 states have call predecessors, (16), 15 states have call successors, (16) [2022-11-03 02:04:27,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 100 transitions. [2022-11-03 02:04:27,871 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 100 transitions. Word has length 16 [2022-11-03 02:04:27,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:04:27,872 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 100 transitions. [2022-11-03 02:04:27,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:04:27,873 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 100 transitions. [2022-11-03 02:04:27,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 02:04:27,875 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:04:27,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:04:27,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:04:27,876 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:04:27,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:04:27,877 INFO L85 PathProgramCache]: Analyzing trace with hash 2084455561, now seen corresponding path program 1 times [2022-11-03 02:04:27,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:04:27,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354967192] [2022-11-03 02:04:27,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:27,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:04:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:28,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:04:28,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:04:28,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354967192] [2022-11-03 02:04:28,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354967192] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:04:28,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:04:28,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:04:28,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986392] [2022-11-03 02:04:28,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:04:28,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:04:28,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:04:28,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:04:28,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:04:28,111 INFO L87 Difference]: Start difference. First operand 77 states and 100 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:04:28,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:04:28,212 INFO L93 Difference]: Finished difference Result 138 states and 183 transitions. [2022-11-03 02:04:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:04:28,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-03 02:04:28,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:04:28,214 INFO L225 Difference]: With dead ends: 138 [2022-11-03 02:04:28,214 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 02:04:28,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:04:28,225 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 28 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:04:28,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 56 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:04:28,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 02:04:28,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 02:04:28,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:04:28,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 02:04:28,234 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2022-11-03 02:04:28,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:04:28,235 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 02:04:28,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:04:28,236 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 02:04:28,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 02:04:28,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:04:28,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:04:28,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 02:04:28,764 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 801 808) the Hoare annotation is: true [2022-11-03 02:04:28,765 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 801 808) no Hoare annotation was computed. [2022-11-03 02:04:28,765 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 717 723) no Hoare annotation was computed. [2022-11-03 02:04:28,765 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 717 723) the Hoare annotation is: true [2022-11-03 02:04:28,766 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 257 268) the Hoare annotation is: true [2022-11-03 02:04:28,766 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 257 268) no Hoare annotation was computed. [2022-11-03 02:04:28,766 INFO L895 garLoopResultBuilder]: At program point L770-1(lines 751 775) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-03 02:04:28,766 INFO L895 garLoopResultBuilder]: At program point L704-1(lines 704 710) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-03 02:04:28,767 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2022-11-03 02:04:28,767 INFO L895 garLoopResultBuilder]: At program point L61(lines 61 74) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-03 02:04:28,767 INFO L895 garLoopResultBuilder]: At program point L61-1(lines 53 77) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-03 02:04:28,768 INFO L899 garLoopResultBuilder]: For program point L697-1(lines 696 715) no Hoare annotation was computed. [2022-11-03 02:04:28,768 INFO L899 garLoopResultBuilder]: For program point L759(lines 759 767) no Hoare annotation was computed. [2022-11-03 02:04:28,768 INFO L899 garLoopResultBuilder]: For program point L755(lines 755 772) no Hoare annotation was computed. [2022-11-03 02:04:28,768 INFO L895 garLoopResultBuilder]: At program point L765(line 765) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-03 02:04:28,769 INFO L895 garLoopResultBuilder]: At program point L761(line 761) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-03 02:04:28,769 INFO L895 garLoopResultBuilder]: At program point L121(line 121) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-03 02:04:28,769 INFO L895 garLoopResultBuilder]: At program point L757(line 757) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-03 02:04:28,769 INFO L899 garLoopResultBuilder]: For program point L757-1(line 757) no Hoare annotation was computed. [2022-11-03 02:04:28,770 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 693 716) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-03 02:04:28,770 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 693 716) no Hoare annotation was computed. [2022-11-03 02:04:28,770 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2022-11-03 02:04:28,771 INFO L895 garLoopResultBuilder]: At program point L770(line 770) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-03 02:04:28,771 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 128 157) no Hoare annotation was computed. [2022-11-03 02:04:28,771 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 128 157) the Hoare annotation is: true [2022-11-03 02:04:28,771 INFO L902 garLoopResultBuilder]: At program point L153(lines 128 157) the Hoare annotation is: true [2022-11-03 02:04:28,772 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-11-03 02:04:28,772 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 146) no Hoare annotation was computed. [2022-11-03 02:04:28,772 INFO L902 garLoopResultBuilder]: At program point L142-1(lines 142 146) the Hoare annotation is: true [2022-11-03 02:04:28,772 INFO L902 garLoopResultBuilder]: At program point L138-2(lines 138 152) the Hoare annotation is: true [2022-11-03 02:04:28,773 INFO L902 garLoopResultBuilder]: At program point L134(line 134) the Hoare annotation is: true [2022-11-03 02:04:28,773 INFO L899 garLoopResultBuilder]: For program point L134-1(line 134) no Hoare annotation was computed. [2022-11-03 02:04:28,773 INFO L899 garLoopResultBuilder]: For program point L956(lines 956 962) no Hoare annotation was computed. [2022-11-03 02:04:28,773 INFO L895 garLoopResultBuilder]: At program point L890(line 890) the Hoare annotation is: false [2022-11-03 02:04:28,774 INFO L895 garLoopResultBuilder]: At program point L956-2(lines 948 963) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2022-11-03 02:04:28,774 INFO L899 garLoopResultBuilder]: For program point L919(lines 918 967) no Hoare annotation was computed. [2022-11-03 02:04:28,774 INFO L895 garLoopResultBuilder]: At program point L213(lines 213 220) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~1#1| 1) (not (= 0 ~systemActive~0))) [2022-11-03 02:04:28,774 INFO L895 garLoopResultBuilder]: At program point L948(lines 948 963) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2022-11-03 02:04:28,775 INFO L902 garLoopResultBuilder]: At program point L213-2(lines 213 220) the Hoare annotation is: true [2022-11-03 02:04:28,775 INFO L895 garLoopResultBuilder]: At program point L940(line 940) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2022-11-03 02:04:28,775 INFO L895 garLoopResultBuilder]: At program point L965(lines 918 967) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2022-11-03 02:04:28,776 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 934) no Hoare annotation was computed. [2022-11-03 02:04:28,776 INFO L899 garLoopResultBuilder]: For program point L928-1(lines 928 934) no Hoare annotation was computed. [2022-11-03 02:04:28,776 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-03 02:04:28,776 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 02:04:28,776 INFO L899 garLoopResultBuilder]: For program point L888(lines 888 894) no Hoare annotation was computed. [2022-11-03 02:04:28,777 INFO L895 garLoopResultBuilder]: At program point L888-1(lines 888 894) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2022-11-03 02:04:28,777 INFO L902 garLoopResultBuilder]: At program point L971(lines 908 975) the Hoare annotation is: true [2022-11-03 02:04:28,777 INFO L899 garLoopResultBuilder]: For program point L938(lines 938 944) no Hoare annotation was computed. [2022-11-03 02:04:28,777 INFO L899 garLoopResultBuilder]: For program point L938-1(lines 938 944) no Hoare annotation was computed. [2022-11-03 02:04:28,778 INFO L895 garLoopResultBuilder]: At program point L930(line 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2022-11-03 02:04:28,778 INFO L895 garLoopResultBuilder]: At program point L968(lines 917 969) the Hoare annotation is: false [2022-11-03 02:04:28,778 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 245 256) no Hoare annotation was computed. [2022-11-03 02:04:28,778 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 245 256) the Hoare annotation is: true [2022-11-03 02:04:28,779 INFO L895 garLoopResultBuilder]: At program point L735(line 735) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-03 02:04:28,779 INFO L899 garLoopResultBuilder]: For program point L733(lines 733 741) no Hoare annotation was computed. [2022-11-03 02:04:28,779 INFO L895 garLoopResultBuilder]: At program point L729(lines 729 746) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-03 02:04:28,780 INFO L895 garLoopResultBuilder]: At program point L744(line 744) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-03 02:04:28,780 INFO L899 garLoopResultBuilder]: For program point L744-1(lines 725 749) no Hoare annotation was computed. [2022-11-03 02:04:28,780 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 725 749) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-03 02:04:28,780 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 725 749) no Hoare annotation was computed. [2022-11-03 02:04:28,781 INFO L895 garLoopResultBuilder]: At program point L739(line 739) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-03 02:04:28,781 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 809 819) the Hoare annotation is: true [2022-11-03 02:04:28,781 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 809 819) no Hoare annotation was computed. [2022-11-03 02:04:28,785 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-03 02:04:28,787 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:04:28,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:04:28 BoogieIcfgContainer [2022-11-03 02:04:28,805 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:04:28,806 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:04:28,806 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:04:28,806 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:04:28,807 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:04:26" (3/4) ... [2022-11-03 02:04:28,810 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:04:28,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-03 02:04:28,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-03 02:04:28,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-03 02:04:28,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-03 02:04:28,818 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-03 02:04:28,818 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-03 02:04:28,818 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-03 02:04:28,819 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-03 02:04:28,827 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2022-11-03 02:04:28,828 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-03 02:04:28,828 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-03 02:04:28,829 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-03 02:04:28,829 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 02:04:28,830 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:04:28,830 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:04:28,859 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-03 02:04:28,860 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-03 02:04:28,861 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-11-03 02:04:28,861 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive [2022-11-03 02:04:28,862 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-03 02:04:28,863 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-03 02:04:28,863 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-03 02:04:28,886 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:04:28,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:04:28,887 INFO L158 Benchmark]: Toolchain (without parser) took 3939.00ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 99.5MB in the beginning and 117.6MB in the end (delta: -18.1MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2022-11-03 02:04:28,888 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:04:28,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.75ms. Allocated memory is still 138.4MB. Free memory was 99.3MB in the beginning and 104.2MB in the end (delta: -5.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 02:04:28,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.61ms. Allocated memory is still 138.4MB. Free memory was 104.2MB in the beginning and 101.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:04:28,889 INFO L158 Benchmark]: Boogie Preprocessor took 30.60ms. Allocated memory is still 138.4MB. Free memory was 101.5MB in the beginning and 99.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:04:28,889 INFO L158 Benchmark]: RCFGBuilder took 922.27ms. Allocated memory is still 138.4MB. Free memory was 99.7MB in the beginning and 74.4MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-03 02:04:28,890 INFO L158 Benchmark]: TraceAbstraction took 2283.18ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 73.7MB in the beginning and 123.0MB in the end (delta: -49.2MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2022-11-03 02:04:28,890 INFO L158 Benchmark]: Witness Printer took 81.19ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 117.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 02:04:28,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.75ms. Allocated memory is still 138.4MB. Free memory was 99.3MB in the beginning and 104.2MB in the end (delta: -5.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.61ms. Allocated memory is still 138.4MB. Free memory was 104.2MB in the beginning and 101.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.60ms. Allocated memory is still 138.4MB. Free memory was 101.5MB in the beginning and 99.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 922.27ms. Allocated memory is still 138.4MB. Free memory was 99.7MB in the beginning and 74.4MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2283.18ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 73.7MB in the beginning and 123.0MB in the end (delta: -49.2MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Witness Printer took 81.19ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 117.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 121]: 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, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 329 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 165 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 202 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 204 PreInvPairs, 232 NumberOfFragments, 209 HoareAnnotationTreeSize, 204 FomulaSimplifications, 45 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 37 FomulaSimplificationsInter, 297 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && tmp == 1 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && tmp == 1 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && tmp == 1 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2022-11-03 02:04:28,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7232de-d099-49a5-b726-218b62b76e7c/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE